Hazards and Disasters
Avalanches -- 1. Mass of snow and ice falling suddenly down a
mountain slope and often taking with it earth, rocks and rubble of
every description. (WMO 1992, 66)
Biochemical Oxygen Demand (BOD) -- 1. The amount of oxygen
that would be consumed if all the organic materials in a one liter
water sample were oxidized by bacteria and protozoa. (The MSDS Hyper
Glossary, 2007)
Blizzard -- 1. Violent winter storm, lasting at least 3
hours, which combines below freezing temperatures and very strong wind
laden with blowing snow that reduces visibility to less than 1 km. (WMO
1992, 86)
Climate -- 1. Statistical description in terms of the mean
and variability of relevant quantities over a period of time ranging
from months to thousands or millions of years (IPCC, 2001)
Climate change -- 1. Statistically significant variation in
either the mean state of the climate or in its variability, persisting
for an extended period (IPCC, 2001)
Cold wave -- 1. A rapid fall in temperature within 24 hours to
temperatures requiring substantially increased protection to
agriculture, industry, commerce, and social activities. Therefore, the
criterion for a cold wave is twofold: the rate of temperature fall, and
the minimum to which it falls. The latter depends upon region and time
of year. (as used by U.S. National Weather Service)
2. Popularly, a period of very cold weather. (American Meteorological Society, 2000)
Debris -- 1. The scattered remains of something broken or destroyed; rubble or wreckage. (O'Leary, 2007)
Desertification -- 1. The transformation of the climate of a region
toward enhanced aridity. Desertification can result from a decrease in
precipitation, as well as land surface changes such as deforestation or
overgrazing. (American Meteoroligical Society, 2007)
Drought -- 1. 1) Prolonged absence or marked deficiency of
precipitation. (2) Period of abnormally dry weather sufficiently
prolonged for the lack of precipitation to cause a serious hydrological
imbalance. (WMO 1992, 198)
Dust storm -- 1. A strong wind storm that fills the air with thick dust. Visibility can be reduced to 1/2 mile or less. (WeatherEye, 2007)
Earthquake -- 1. The shaking, rolling or sudden shock of the
earth’s surface. Earthquakes happen along fault lines in the earth’s
crust. (WeatherEye, 2007)
El Nino -- 1. El Niño-southern oscillation (ENSO) 1. A complex
interaction of the tropical Pacific Ocean and the global atmosphere
that results in irregularly occurring episodes of changed ocean and
weather patterns in many parts of the world, often with significant
impacts, such as altered marine habitats, rainfall changes, floods,
droughts, and changes in storm patterns.
The El Niño part of ENSO refers to the well-above-average
ocean temperatures along the coasts of Ecuador, Peru and northern Chile
and across the eastern equatorial Pacific Ocean, while the Southern
Oscillation refers to the associated global patterns of changed
atmospheric pressure and rainfall. La Niña is approximately the
opposite condition to El Niño. Each El Niño or La Niña episode usually
lasts for several seasons. (UNISDR 2004)
2. An anomalous warming of ocean water resulting from the
oscillation of a current in the South Pacific, usually accompanied by
heavy rain fall in the coastal region of Peru and Chile, and reduction
of rainfall in equatorial Africa and Australia. (U.N. 1992, 26)
Flash flood -- 1. A flood that crests in a short period of time and
is often characterized by high velocity flow-often the result of heavy
rainfall in a localized area. (VATA, 2007)
Flood -- T1. he overflowing of the normal confines of a stream or
other body of water, or the accumulation of water over areas that are
not normally submerged. (American Meteorological Society, 2007)
Geological hazard -- 1. Natural earth processes or phenomena that
may cause the loss of life or injury, property damage, social and
economic disruption or environmental degradation.
Geological hazard includes internal earth processes or
tectonic origin, such as earthquakes, geological fault activity,
tsunamis, volcanic activity and emissions as well as external processes
such as mass movements: landslides, rockslides, rock falls or
avalanches, surfaces collapses, expansive soils and debris or mud
flows.
Geological hazards can be single, sequential or combined in their origin and effects. (UNISDR, 2004)
Global Warming -- 1. The idea that temperatures will rise across the planet. (International Institute for Sustainable Development, 1999)
Greenhouse gas (GHG) -- 1. A gas, such as water vapour, carbon
dioxide, methane, chlorofluorocarbons (CFCs) and
hydrochlorofluorocarbons (HCFCs), that absorbs and re-emits infrared
radiation, warming the earth's surface and contributing to climate
change (UNEP, 1998). (UNISDR 2004)
Hail storm -- 1. Any storm that produces hailstones that fall to
the ground; usually used when the amount or size of the hail is
considered significant. (American Meteorological Society, 2007)
Heat wave -- 1. Marked warming of the air, or the invasion of very
warm air, over a large area; it usually lasts from a few days to a few
weeks. (WMO 1992, 294)
High Tide -- 1. The maximum water level reached in a tidal cycle. (American Meteorological Society, 2007)
Hurricane -- 1. A tropical cyclone with 1-min average surface (10
m) winds in excess of 32 m s-1 (64 knots) in the Western Hemisphere
(North Atlantic Ocean, Caribbean Sea, Gulf of Mexico, and in the
eastern and central North Pacific east of the date line). (American
Meteorological Society, 2007)
Hydrometeorological hazards -- 1. Natural processes or phenomena of
atmospheric, hydrological or oceanographic nature, which may cause the
loss of life or injury, property damage, social and economic disruption
or environmental degradation.
Hydrometeorological hazards include: floods, debris and mud
floods; tropical cyclones, storm surges, thunder/hailstorms, rain and
wind storms, blizzards and other severe storms; drought,
desertification, wildland fires, temperature extremes, sand or dust
storms; permafrost and snow or ice avalanches. Hydrometeorological
hazards can be single, sequential or combined in their origin and
effects. (UNISDR, 2004)
2. An event, accidentally or deliberately caused, which
requires a response from one or more of the statutory emergency
response agencies. (Australian Fire Authorities Glossary 1996) 2. A
minor situation. (Oxford Canadian Dictionary, 1998)
La Niña -- (see El Niño-Southern Oscillation). (UNISDR 2004)
1. The opposite of an El Niño event, during which waters in the
west Pacific are warmer than normal, trade winds or Walker circulation
is stronger and, consequently, rainfalls heavier in Southeast Asia.
(Bryant 1991)
Land degradation --
Landslides -- 1. A mass of earth material (soil, rock, etc.) moving rapidly down a steep slope. (American Meteorological Society, 2007)
Liquefaction -- 1. Occurs mainly in young, shallow, loosely
compacted, water saturated sand and gravel deposits when subjected to
ground shaking; results in a temporary loss of bearing strength.
(Journal of Prehospital and Disaster Medicine, 2007)
Low tide -- 1. The minimum height reached by a falling tide. The
low tide is due to the periodic tidal forces and the effects of
meteorological, hydrological, and/or oceanographic conditions.
Mudflow -- 1. A dense, highly viscous flowing mass of predominantly
fine-grained earthy material, with water content approximately 20% by
weight (or approximately 40% by volume). Their high density and
viscosity allow mudflows to travel at speeds of more than 10 m s-1 in
mountain canyons, and to carry very large boulders on low gradients.
(American Meteorological Society, 2007)
Mudslides -- 1. Mass of water-logged earth, sliding by gravity
along a slope at a relatively slow speed of a few kilometers per hour.
Also know as Earthflow (Journal of Prehospital and Disaster Medicine,
2007)
Rain 1. Precipitation in the form of liquid water drops that have
diameters greater than 0.5 mm, or, if widely scattered, the drops may
be smaller. (American Meteorological Society, 2007)
Rock Fall -- 1. An abrupt free fall or down slope movement, such as
rolling or sliding, of loosened blocks or boulders from an area of
bedrock. The rock-fall runout zone is the area below a rock-fall source
which is at risk from falling rocks. (Wasatch Front Regional Council,
2003)
Rock slide -- 1. A sudden downslope movement of rock. (Marshak, 2007)
Siltation -- 1. Deposition of earthy matter, fine sand, or the like by moving or running water (Stein 1966)
Snowstorms -- 1. A storm characterized by a fall of frozen precipitation in the form of snow. (American Meteorological Society, 2007)
Storm surge -- 1. The difference between the actual water level
under influence of a meteorological disturbance (storm tide) and the
level which would have been attained in the absence of the
meteorological disturbance (i.e. astronomical tide). (WMO 1992, 584)
Tectonic Plates -- 1. A rigid section of Earth's crust that moves
relative to other such sections on the Earth's surface. (Teachers Guide
to Stratovolcanoes of the World, 2004)
Tornado -- 1. A violently rotating storm of small diameter; the
most violent weather phenomenon. It is produced in a very severe
thunderstorm and appears as a funnel cloud extending from the base of a
Cumulonimbus to the ground. (WMO 1992, 626)
Tsunami -- 1. Waves generated by seismic activity. (American Meteorological Society, 2007)
Typhoon -- 1. Name given to a tropical cyclone with maximum
sustained winds of 64 knots or more near the centre in the western
North Pacific. (WMO 1992, 644)
Wild land Fire -- 1. Any nonstructural fire, other than prescribed
fire, that occurs in the wildland. (Suburban Emergency Management
Project, 2007)
Volcanoes -- 1. Vent or chimney to the earth’s surface from a
resevoir of molten matter, known as magma, in the depths of the crust
of the earth (Journal of Prehospital and Disaster Medicine, 2007)
2. The mountain formed by local accumulation of volcanic materials
around an erupting vent. (Journal of Prehospital and Disaster Medicine,
2007)
Disaster Risk Reduction & Management Terms
Acceptable risk -- 1. The level of loss a society or community
considers acceptable given existing social, economic, political,
cultural, technical and environmental conditions.
In engineering terms, acceptable risk is also used to assess
structural and non-structural measures undertaken to reduce possible
damage at a level which does not harm people and property, according to
codes or "accepted practice" based, among other issues, on a known
probability of hazard. (UNISDR, 2004)
Adaptation -- 1. A change in the behaviors or structures of an
organism or a social system that facilitates adjustment to changes in
the environment; for example, a community’s adaptation to terrorist
tactics. (O'Leary, 2007)
Adaptive Capacity -- 1. The general ability of institutions,
systems, and individuals to adjust to potential damage, to take
advantage of opportunities, or to cope with the consequences. (Green
Facts, 2007)
Advocacy -- 1. The act of pleading or arguing in favor of
something, such as a cause, idea, or policy; active support.
(Dictionary.com, 2007)
Assessment -- 1. Survey of a real or potential disaster to estimate
the actual or expected damages and to make recommendations for
preparedness, mitigation and relief action. (D&E Reference Center,
1998)
Awareness -- 1. In biological psychology, awareness comprises a
human's or an animal's perception and cognitive reaction to a condition
or event. Awareness does not necessarily imply understanding, just an
ability to be conscious of, feel or perceive.(Wikipedia, 2007)
Biological hazard -- 1. Processes of organic origin or those
conveyed by biological vectors, including exposure to pathogenic
micro-organisms, toxins and bioactive substances, which may cause the
loss of life or injury, property damage, social and economic disruption
or environmental degradation.
Examples of biological hazards: outbreaks of epidemic diseases,
plant or animal contagion, insect plagues and extensive infestations.
(UNISDR 2004)
Bioterrorism -- 1. The use, or threatened use, of biological agents
to promote or spread fear or intimidation upon an individual, a
specific group, or the population as a whole for religious, political,
ideological, financial, or personal purposes. (Department of Health
Services, 2005)
Building Codes -- 1. Ordinances and regulations controlling the
design, construction, materials, alteration and occupancy of any
structure to insure human safety and welfare. Building codes include
both technical and functional standards. (UNISDR 2004)
2. Building codes ensure that structure designs include resistance to various forms of external pressure. (Coppola, 2007)
Calamity -- 1. "A massive or extreme catastrophic disaster that
extends over time and space." Notes the Black Death of the 14th century
as an example. (Drabek 1996, Session 2, p.4)
Capacity -- 1. A combination of all the strengths and resources
available within a community, society or organization that can reduce
the level of risk, or the effects of a disaster.
Capacity may include physical, institutional, social or
economic means as well as skilled personal or collective attributes
such as leadership and management. Capacity may also be described as
capability. (UNISDR 2004)
Capacity building -- 1. Efforts aimed to develop human skills or
societal infrastructures within a community or organization needed to
reduce the level of risk.
In extended understanding, capacity building also includes
development of institutional, financial, political and other resources,
such as technology at different levels and sectors of the society.
(UNISDR 2004)
Catastrophe -- 1. An event in which a society incurs, or is
threatened to incur, such losses to persons and/or property that the
entire society is affected and extraordinary resources and skills are
required, some of which must come from other nations (Drabek 1996)
2.". . .an event that causes $25 million or more in insured
property losses and affects a significant number of property-casualty
policyholders and insurers." (Insurance Services Office 2000, 2) 3.An
event of such impact upon a community that new organizations must be
created in order to deal with the situation. (Quarantelli 1987, 25)
Climate change -- 1. The climate of a place or region is changed if
over an extended period (typically decades or longer) there is a
statistically significant change in measurements of either the mean
state or variability of the climate for that place or region.
Changes in climate may be due to natural processes or to
persistent anthropogenic changes in atmosphere or in land use. Note
that the definition of climate change used in the United Nations
Framework Convention on Climate Change is more restricted, as it
includes only those changes which are attributable directly or
indirectly to human activity. (UNISDR 2004)
Community -- 1. A group with a commonality of association and
generally defined by location, shared experience, or function. A social
group that has a number of things in common, such as shared experience,
locality, culture, heritage, language, ethnicity, pastimes, occupation,
workplace, etc. (Emergency Management Australia (EMA), 1998)
Comprehensive emergency management -- 1. CEM refers to a state's
responsibility and unique capability to manage all types of disasters
by coordinating wide-ranging actions of numerous agencies. The
'comprehensive' aspect of CEM includes all four phases of disaster
activity: mitigation, preparedness, response and recovery for all risks
-- attack, man-made, and natural -- in a federal-state-local operating
partnership. (NGA 1978, 203)
Consequences -- 1. The outcome of an event or situation expressed
qualitatively or quantitatively, being a loss, injury, disadvantage or
gain. (Standards 1995)
Coping Capacity -- 1. The means by which people or organizations
use available resources and abilities to face adverse consequences that
could lead to a disaster.
In general, this involves managing resources, both in normal
times as well as during crises or adverse conditions. The strengthening
of coping capacities usually builds resilience to withstand the effects
of natural and human-induced hazards. (UNISDR 2004)
2. Capacity refers to the manner in which people and
organisations use existing resources to achieve various beneficial ends
during unusual, abnormal, and adverse conditions of a disaster event or
process. The strengthening of coping capacities usually builds
resilience to withstand the effects of natural and other hazards.
(European Spatial Planning Observation Network, 2003)
Counter measures -- 1. All measures taken to counter and reduce
disaster risk. They most commonly refer to engineering (structural)
measures but can also include non-structural measures and tools
designed and employed to avoid or limit the adverse impact of natural
hazards and related environmental and technological disasters. (UNISDR
2004)
Crisis -- 1. Short period of extreme danger, acute
emergency. (D&E Reference Center 1998) 2. ". . .a situation that,
left unaddressed, will jeopardize the organization's ability to do
business." (Ziaukas 2001, 246; citing other sources)
Curriculum -- 1. Means the planned interaction of pupils with
instructional content, materials, resources, and processes for
evaluating the attainment of educational objectives. (Indiana
Department of Education)
Damage Assessment -- 1. The process utilized to determine the
magnitude of damage and the unmet needs of individuals, businesses, the
public sector, and the community caused by a disaster or emergency
event. (NOAA Coastal Services Center, 2007)
Danger -- 1. Exposure or vulnerability to harm or risk or source 2. An instance of risk or peril (O'Leary, 2007)
Disaster -- 1. Disaster A serious disruption of the functioning
of a community or a society causing widespread human, material,
economic or environmental losses which exceed the ability of the
affected community or society to cope using its own resources.
A disaster is a function of the risk process. It results from
the combination of hazards, conditions of vulnerability and
insufficient capacity or measures to reduce the potential negative
consequences of risk. (UNISDR 2004)
2. A disaster is an unusually severe and/or extensive event
that usually occurs unexpectedly and has such a severe impact on life
and health of many people and/or causes considerable material damage
and/or impairs or endangers the life of a large number of people for a
long period of time to such an extent that resources and funding
available at local or regional level cannot cope without outside help.
The disaster qualifies as such when it becomes apparent that the
available resources and funding are inadequate for the necessary and
prompt relief. Relief provision systems that are capable of evolving
from every day use and which integrate all the necessary components are
required for effectively managing disasters.” (DKKV 2002)
3. External danger, the loss of development potential and the
helplessness of the affected population; a serious disruption of the
functioning of a society causing widespread human, material or
environmental losses which exceed the ability of the affected society
to cope using only its own resources.(DKKV 2002)
4. A serious disruption of the functioning of society, causing
widespread human, material or environmental losses, which exceed the
ability of affected society to cope using only its own resources.
Disasters are often classified according to their cause (natural or
man-made). (European Environment Agency, 2005)
5. "For a disaster to be entered into the database of the UN's
International Strategy for Disaster Reduction (ISDR), at least one of
the following criteria must be met: - a report of 10 or more people
killed - a report of 100 people affected - a declaration of a state of
emergency by the relevant government - a request by the national
government for international assistance" (Integrated Regional
Information Networks (IRIN), 2006)
Disaster Cycle -- 1. An explicit typology for disaster planning,
comprised of four phases: mitigation, preparedness, response, and
recovery. (O'Leary, 2007)
Disaster Drill -- 1. A simulation of a – disaster to assess and
improve the – effectiveness of a health care organization’s or system’s
emergency management plan. (O'Leary, 2007)
Disaster Management -- 1. The entire process of planning and
intervention to reduce disasters as well as the response and recovery
measures. It is a neglected element of development planning. (D&E
Reference Center 1998)
2. "A process that assists communities to respond, both pre-
and post-disaster, in such a way as to save lives, to preserve
property; and to maintain the ecological, economic, and political
stability of the impacted region." (Pearce 2000, Chapter 5, p. 6)
Disaster Preparedness -- 1. The aggregate of all measures and
policies taken by humans before the event for reduction of the damage
that otherwise would have resulted from the event and coping with the
damage sustained. (O'Leary, 2007)
Disaster Prevention -- 1. Activities to provide outright avoidance
of the adverse impact of hazards and related environmental,
technological and biological disasters." (UNISDR 2002, 25)
Disaster Risk Management -- 1. Disaster risk management and
reduction are about looking beyond hazards alone to considering
prevailing conditions of vulnerability. It is the social, cultural,
economic, and political setting in a country that makes people
vulnerable to unfortunate events. The basis of this understanding is
simple: the national character and chosen form of governance can be as
much of a determinant in understanding the risks in a given country, as
are the various social, economic and environmental determinants.
The systematic process of using administrative decisions,
organization, operational skills and capacities to implement policies,
strategies and coping capacities of the society and communities to
lessen the impacts of natural hazards and related environmental and
technological disasters. This comprises all forms of activities,
including structural and non-structural measures to avoid (prevention)
or to limit (mitigation and preparedness) adverse effects of hazards.
(UNISDR 2002, 27)
Disaster risk reduction -- (disaster reduction) 1. The conceptual
framework of elements considered with the possibilities to minimize
vulnerabilities and disaster risks throughout a society, to avoid
(prevention) or to limit (mitigation and preparedness) the adverse
impacts of hazards, within the broad context of sustainable
development.
The disaster risk reduction framework is composed of the
following fields of action, as described in ISDR's publication 2002
"Living with Risk: a global review of disaster reduction initiatives",
page 23:
- Risk awareness and assessment including hazard analysis and vulnerability/capacity analysis;
- Knowledge development including education, training, research and information;
- Public commitment and institutional frameworks, including organisational, policy, legislation and community action;
- Application of measures including environmental management, land-use and urban planning, protection of critical facilities, application of science and technology, partnership and networking, and financial instruments;
- Early warning systems including forecasting, dissemination of warnings, preparedness measures and reaction capacities. (UNISDR 2004)
2. The systematic development and application of policies,
strategies and practices to minimize vulnerabilities and disaster risks
throughout a society, to avoid (prevention) or to limit (mitigation and
preparedness) adverse impact of hazards, within the broad context of
sustainable development." (UNISDR 2002, 25)
Early Warning -- 1. The provision of timely and effective
information, through identified institutions, that allows individuals
exposed to a hazard to take action to avoid or reduce their risk and
prepare for effective response.
Early warning systems include a chain of concerns, namely:
understanding and mapping the hazard; monitoring and forecasting
impending events; processing and disseminating understandable warnings
to political authorities and the population, and undertaking
appropriate and timely actions in response to the warnings. (UNISDR
2004)
2. Some timely form of either written or verbal indication of
an impending event; advance notification of a problem in time for
appropriate possible actions. (UNISDR, 2004)
Ecosystem -- 1. A complex set of relationships of living
organisms functioning as a unit and interacting with their physical
environment. (UNISDR, 2004)
2. The boundaries of what could be called an ecosystem are
somewhat arbitrary, depending on the focus of interest or study. Thus
the extent of an ecosystem may range from very small spatial scales to,
ultimately, the entire Earth (IPCC, 2001).
Emergency -- 1. An unexpected event which places life
and/or property in danger and requires an immediate response through
the use of routine community resources and procedures. Examples would
be a multi-automobile wreck, especially involving injury or death, and
a fire caused by lightning strike which spreads to other buildings.
Emergencies can be handled with local resources. (Drabek 1996, Session 2, p. 3)
2. A more serious situation than an incident, but less serious
than a disaster. (Oxford Canadian Dictionary, 1998; noted by Pearce
2000, Chapter 2, 2)
3. An event in which established emergency organizations (such
as the American Red Cross or utilities) need to expand their
activities. (Quarantelli 1987, 25.)
Emergency management -- 1. The organization and management of
resources and responsibilities for dealing with all aspects of
emergencies, in particularly preparedness, response and rehabilitation.
Emergency management involves plans, structures and
arrangements established to engage the normal endeavours of government,
voluntary and private agencies in a comprehensive and coordinated way
to respond to the whole spectrum of emergency needs. This is also known
as disaster management. (UNISDR 2004)
Emergency Response -- 1. Response refers to actions undertaken
immediately before and during impact to reduce primary and secondary
negative effects. (Peterson and Perry 1999, 242)
Environment -- 1. The total infrastructure of the affected society
including the existence, condition, of the nature as well as social
factors such as population densities, topography, culture and existing
social and governmental structures, as well as living conditions and
known hazards and the risks associated with each hazard. (Journal of
Prehospital and Disaster Medicine, 2007)
Environmental impact assessment (EIA) -- 1. Studies undertaken in
order to assess the effect on a specified environment of the
introduction of any new factor, which may upset the current ecological
balance.
EIA is a policy making tool that serves to provide evidence and
analysis of environmental impacts of activities from conception to
decision-making. It is utilised extensively in national programming and
for international development assistance projects. An EIA must include
a detailed risk assessment and provide alternatives solutions or
options. (UNISDR 2004)
Environmental degradation -- 1. The reduction of the capacity of the environment to meet social and ecological objectives, and needs.
Potential effects are varied and may contribute to an increase
in vulnerability and the frequency and intensity of natural hazards. Some examples: land degradation, deforestation,
desertification, wildland fires, loss of biodiversity, land, water and
air pollution, climate change, sea level rise and ozone depletion.
(UNISDR, 2004)
Environmental Management -- 1. Management and control of the
environment and natural resources systems in such a way so as to ensure
the sustainability of development efforts over a long-term basis.
(Dougherty and Hall, 1995)
Evacuation -- 1. Move populations away from the hazard or its consequences. (Damon P. Coppola, 2007)
Flood Plain -- 1. Typically, a low area adjacent to a river or
other body of water that is subject to flooding. (American
Meteorological Society, 2007)
Flood(ing) Control -- 1. A structural intervention to limit flooding and so an example of a risk management measure. (Gouldby and Samuels, 2004)
Forecast -- 1. Definite statement or statistical estimate of the occurrence of a future event (UNESCO, WMO).
This term is used with different meanings in different disciplines. (UNISDR 2004)
Geographic information systems (GIS) -- 1. Analysis that combine
relational databases with spatial interpretation and outputs often in
form of maps. A more elaborate definition is that of computer
programmes for capturing, storing, checking, integrating, analysing and
displaying data about the earth that is spatially referenced.
Geographical information systems are increasingly being
utilised for hazard and vulnerability mapping and analysis, as well as
for the application of disaster risk management measures.
(UNISDR 2004)
2. A computerised database for the capture, storage, analysis
and display of locationally defined information. Commonly, a GIS
portrays a portion of the earth's surface in the form of a map on which
this information is overlaid. (EM Australia 1995)
Hazard -- 1. A potentially damaging physical event, phenomenon
or human activity that may cause the loss of life or injury, property
damage, social and economic disruption or environmental degradation.
Hazards can include latent conditions that may represent future
threats and can have different origins: natural (geological,
hydrometeorological and biological) or induced by human processes
(environmental degradation and technological hazards). Hazards can be
single, sequential or combined in their origin and effects. Each hazard
is characterised by its location, intensity, frequency and probability.
(UNISDR 2004)
2. A Hazard is an extreme geophysical event that is capable of
causing a disaster. 'Extreme' in this case signifies a substantial
departure in either the positive or the negative direction from a mean
or a trend. The fundamental determinants of hazards are location,
timing, magnitude and frequency. Many hazardous phenomena are recurrent
in time and predictable in terms of location. We define natural hazards
as extreme events that originate in the biosphere, lithosphere,
hydrosphere or atmosphere." (Alexander, 2000)
3. Hazards always result from interaction of physical and human
systems. To treat them as though they were wholly climatic or geologic
or political or economic is to risk omission of components that must be
taken into account if sound solutions for them are to be found (Burton
et al. 1993, 188).
4. Hazards are defined as threats to a system, comprised of
perturbations and stress (and stressors), and the consequences they
produce. A perturbation is amajor spike in pressure (e.g., a tidal wave
or hurricane) beyond the normal range of variability in which the
system operates. Perturbations commonly originate beyond the system or
location in question. Stress is a continuous or slowly increasing
pressure (e.g., soil degradation), commonly within the range of normal
variability. Stress often originates and stressors (the source of
stress) often reside within the system. Risk is the probability and
magnitude of consequences after a hazard (perturbation or stress).
(Turner, B.L. et al. 2003)
5. A hazard, in the broadest term, is a threat to people and
the things they value. Hazards have a potentiality to them (they could
happen), but they also include the actual impact of an event on people
or places. Hazards arise from the interaction between social,
technological, and natural systems. (Cutter, S.L. 2001)
6. Disasters caused by movements and deformation of the earth's crust. (European Environment Agency 2005)
Hazard analysis -- 1. Identification, studies and monitoring of any hazard to determine its potential, origin, characteristics and behaviour.
(UNISDR 2004)
2. The identification and evaluation of all hazards that
potentially threaten a jurisdiction to determine the degree of threat
that is posed by each. (Michigan EMD 1998, 6)
3. That part of the
overall planning process which identifies and describes hazards and
their effects upon the community. (National Disasters Organization,
1992)
Hazard Assessment -- 1. The process of estimating, for defined
areas, the probabilities of the occurrence of potentially-damaging
phenomenon of given magnitudes within a specified period of time.
Hazard assessment involves analysis of formal and informal historical
records, and skilled interpretation of existing topographical
graphical, geological geomorphological, hydrological, and land-use
maps. (Simeon Institute 1998)
Humanitarian Assistance -- 1. Programs conducted to relieve or
reduce the results of natural or man-made disasters or other endemic
conditions such as human pain, disease, hunger, or privation that might
present a serious threat to life or that can result in great damage to
or loss of property. Humanitarian assistance provided by U.S. forces is
limited in scope and duration. The assistance provided is designed to
supplement or complement the efforts of the host nation civil
authorities or agencies that may have the primary responsibility for
providing humanitarian assistance. (O'Leary, 2007)
Human-made Disasters -- 1. Disasters or emergency situations where
the principal, direct cause(s) are identifiable human actions,
deliberate or otherwise. Apart from "technological" and "ecological"
disasters, this mainly involves situations in which civilian
populations suffer casualties, losses of property, basic services and
means of livelihood as a result of war or civil strife, for example:
Human-made disasters/emergencies can be of the rapid or slow onset
types, and in the case of internal conflict, can lead to "complex
emergencies" as well. Human-made disaster acknowledges that all
disasters are caused by humans because they have chosen, for whatever
reason, to be where natural phenomena occurs that result in adverse
impacts of people. This mainly involves situations in which civilian
populations suffer casualties, losses of property, basic services and
means of livelihood as a result of war, civil strife, or other
conflict. (Simeon Institute)
Hyogo Framework for Action (HFA) -- 1. a plan of action to reduce our collective vulnerability to natural hazards (ISDR, 2004)
Incident -- 1.
Intervention -- 1. Intervention scenarios (in the context of
environmental studies) depict the future consequences of policy
interventions. In other words, they describe the future state of
society and the environment under influence of directed environmental
policies. Intervention scenarios are also known as 'pollution control'
or 'mitigation' or 'policy' scenarios. (European Environment Agency,
2007)
Land-use planning -- 1. Branch of physical and socio-economic
planning that determines the means and assesses the values or
limitations of various options in which land is to be utilized, with
the corresponding effects on different segments of the population or
interests of a community taken into account in resulting decisions.
Land-use planning involves studies and mapping, analysis of
environmental and hazard data, formulation of alternative land-use
decisions and design of a long-range plan for different geographical
and administrative scales.
Land-use planning can help to mitigate disasters and reduce
risks by discouraging high-density settlements and construction of key
installations in hazard-prone areas, control of population density and
expansion, and in the siting of service routes for transport, power,
water, sewage and other critical facilities. (UNISDR 2004)
Life Jackets -- 1. A buoyant garment worn over the upper body to enable a person to stay afloat in water. (MDA, 2002.)
Likelihood -- 1. A general concept relating to the chance of an
event occurring. Likelihood is generally expressed as a probability or
a frequency. (Pappenberger et al. 2001)
Mitigation -- 1. Structural and non-structural measures
undertaken to limit the adverse impact of natural hazards,
environmental degradation and technological hazards. (UNISDR 2002,
25) (UNISDR 2004)
2. Mitigation is the social attempt to reduce the occurrence of
a disaster, to reduce the vulnerability of certain populations, and to
more equitably distribute the costs within the society. (Dynes 1993,
179) 3.". . .mitigation is seen as prevention - stopping a negative
event before it happens." (Peterson and Perry 1999, 242)
Mock Drill -- Related terms: Disaster Drill
Natural Disaster -- 1. Any hurricane, tornado, storm, flood, high
water, wind-driven water, tidal wave, tsunami, earthquake, volcanic
eruption, landslide, mudslide, snowstorm, drought, fire, or other
catastrophe in any part of the United States which causes, or which may
cause, substantial damage or injury to civilian property or persons.
(Robert T. Stafford Act, 602)
Natural Hazards -- 1. Natural processes or phenomena occurring in the biosphere that may constitute a damaging event.
Natural hazards can be classified by origin namely: geological,
hydrometeorological or biological. Hazardous events can vary in
magnitude or intensity, frequency, duration, area of extent, speed of
onset, spatial dispersion and temporal spacing.
(UNISDR 2004)
2. The concept of natural hazards is somewhat paradoxical; the
elements of a natural geophysical event (e.g., wind and storm surge of
a hurricane) are hazardous only when they prove detrimental to human
activity systems (Baker 1976, 1).
3. ". . .a naturally occurring or
man-made geologic condition of phenomenon that presents a risk or is a
potential danger to life or property" (American Geological Institute
1984). (Quoted in Tobin and Montz 1997, 9).
4. First, the misunderstanding of 'natural hazards' as events
unrelated to or separate from human activity and human choice is no
longer credible. The fundamental involvement of human organizations,
cultural and institutional context, and political-economic structures
cannot be overlooked or wished away. The creation, distribution, and
mitigation of vulnerability to hazards of all kinds is a social
interaction with either other social processes or geophysical processes
or both. There is no purely 'natural' hazard in the full sense of a
risk or danger for which affected persons have no defence or remedy."
(Weiner 2001, 1)
NDMO / NDMA National Disaster Management Organisation / National Disaster Management Authority
-- 1. General term referring to ministries, agencies or departments of
national governments that are responsible for disaster risk reduction
and/or disaster response.
Non-Governmental Organization (NGO) -- 1. A non-profit-making,
voluntary, service-oriented/development oriented organization, either
for the benefit of members (a grassroots organization) or of other
members of the population (an agency). (World Bank). A non-profit group
or association organized outside of institutionalized political
structures to realize particular social objectives (such as
environmental protection) or serve particular constituencies (such as
indigenous peoples). NGO activities range from research, information
distribution, training, local organization, and community service to
legal advocacy, lobbying for legislative change, and civil
disobedience. NGO's range in size from small groups within a particular
community to huge membership groups with a national or international
scope. (Franklin Pierce Law Center, 2007)
Panic -- 1. Acute and overwhelming sense of fear and dread, usually
of sudden onset and most often self-limiting and of short duration,
from a few seconds to hours, the accompanying restlessness resulting in
an urge to escape. A frequent but not lasting phenomenon following
disasters and major emergencies. (Journal of Prehospital and Disaster
Medicine, 2007)
Participatory Vulnerability Analysis (PVA) -- 1. PVA is a
systematic process that involves communities and other stakeholders in
an in-depth examination of their vulnerability, and at the same time
empowers or motivates them to take appropriate actions. The overall aim
of PVA is to link disaster preparedness and response to long-term
development. (ActionAid, 2006)
Related terms: Community Risk Assessment,
Vulnerability and Capacity Assessment etc.
Philanthropy -- 1. Giving money, food, goods or services free to
those who are in need, or any organisation which is established to
provide money or help in this way. (Western Australian Community
Foundation Limited, 2007)
Policy -- 1. A governing principle pertaining to goals, objectives,
and/or activities. It is a decision on an issue not resolved on the
basis of facts and logic only. (Bureau of Justice Assistance, 2007)
Practice -- 1. a customary way of operation or behavior ..." 2.
exercise: systematic training by multiple repetition... 3. drill: learn
by repetition... 4. translating an idea into action... 5. avail oneself
to... 6. the exercise of a profession... 7. carry out or practice... 8.
knowledge of how something is usually done... 9. Rehearse... (of)
(WordNet Search - 3.0, 2006).
Preparedness -- 1. Activities and measures taken in advance to
ensure effective response to the impact of hazards, including the
issuance of timely and effective early warnings and the temporary
evacuation of people and property from threatened locations.(UNISDR
2004)
2. Preparedness represents actions that are undertaken to reduce
the negative consequences of events where there is insufficient human
control to institute mitigation measures. (Peterson and Perry 1999,
242)
Prevention -- 1. Activities to provide outright avoidance of the
adverse impact of hazards and means to minimize related environmental,
technological and biological disasters.
Depending on social and technical feasibility and cost/benefit
considerations, investing in preventive measures is justified in areas
frequently affected by disasters. In the context of public awareness
and education, related to disaster risk reduction changing attitudes
and behaviour contribute to promoting a "culture of prevention".
(UNISDR 2004)
2. The likelihood of a specific outcome, measured by the ratio
of specific outcomes to the total number of possible outcomes.
Probability is expressed as a number between 0 and 1, with 0 indicating
an impossible outcome and 1 indicating an outcome is certain.
(Standards 1995)
Probability -- 1. The likelihood of a specific outcome, measured by
the ratio of specific outcomes to the total number of possible
outcomes. Probability is expressed as a number between 0 and 1, with 0
indicating an impossible outcome and 1 indicating an outcome is
certain. (Standards 1995)
Public Awareness -- 1. The processes of informing the general
population, increasing levels of consciousness about risks and how
people can act to reduce their exposure to hazards. This is
particularly important for public officials in fulfilling their
responsibilities to save lives and property in the event of a disaster.
(UNISDR, 2004)
Public information -- 1. Information, facts and knowledge provided
or learned as a result of research or study, available to be
disseminated to the public. (UNISDR 2004)
Public Safety Organization -- 1. A Federal, State, or local
organization that has been given, by law, the responsibility for
protecting life, property, and natural resources (e.g., law enforcement
agencies, fire departments, or emergency medical service providers).
(US Department of Justice, 1997)
Radio Act of 1912 -- 1. It required all seafaring vessels to
maintain 24-hour radio watch and keep in contact with nearby ships and
coastal radio stations. Part of the impetus for the act's passage was
the sinking of the RMS Titanic. The act set a precedent for
international and federal legislation of wireless communications. It
was followed by the Radio Act of 1927. The act also required all
amateur radio operators to be licensed and prevented them from
transmitting over the main commercial and military wavelengths. (The
Federal Radio Commission Archives, 1997)
Rainwater Harvesting -- 1. An above or below ground storage system
that collects, stores and distributes run-off of rain or snow from
roofs. (EcoDensity, 2007)
Rainwater Tanks -- 1. A tank collecting roofwater which is either:
• fully above ground or • at least half the tank is above ground and
the view of and access to the inlet pipe, air gap and overflow pipe are
unobstructed. Aboveground rainwater tanks are installed inside or
outside a building, usually on reinforced surfaces. Metal,
poly/plastic, fibreglass or concrete tanks are typically installed
aboveground. (The Rain Water Glossary, 2007)
Rapid Assessment -- Related terms: Assessment
Rebound -- The rise of the earth's crust in response to the
removal of substantial thicknesses (and weight) of ice. (Department of
Conservation Maine, 2006)
Reconstruction -- 1. Reorganization of the affected territory,
reconstruction of the built environment, restoration of basic services,
and the development of the economy with a view to re-establishing the
pre-disaster conditions. (Journal of Prehospital and Disaster Medicine,
2007)
Recovery -- 1. Decisions and actions taken after a disaster with
a view to restoring or improving the pre-disaster living conditions of
the stricken community, while encouraging and facilitating necessary
adjustments to reduce disaster risk.
Recovery (rehabilitation and reconstruction) affords an opportunity to develop and apply disaster risk reduction measures.
(UNISDR 2004)
2.The coordinated process of supporting emergency-affected
communities in reconstruction of the physical infrastructure and
restoration of emotional, social, economic and physical well-being.
(EMI Australia 1996)
Relief /response -- 1. Assistance and/or intervention during or
after disaster to meet the life preservation and basic subsistence
needs. It can be of emergency or protracted duration. (U.N. 1992, 5)
(UNISDR 2004)
Resilience -- 1. The capacity of a system, community or society
potentially exposed to hazards to adapt, by resisting or changing in
order to reach and maintain an acceptable level of functioning and
structure. This is determined by the degree to which the social system
is capable of organizing itself to increase its capacity for learning
from past disasters for better future protection and to improve risk
reduction measures. (UNISDR 2004).
2. The capacity to recover successfully from loss and damage.
The central features of resilience appear to be access to resources
(particularly finance), access to information and services, the
capacity to manage one's own affairs and the capacity to deal with the
stress and emotions generated by the disaster. (Buckle 1995, 13)
Response -- 1. Those activities and programs designed to address
the immediate and short-term effects of the onset of an emergency or
disaster. (FEMA 1992) 2. "Response refers to actions undertaken
immediately before and during impact to reduce primary and secondary
negative effects." (Peterson and Perry 1999, 242)
Restoration Measures -- 1. taken to return a site to pre-violation conditions. (European Environment Agency, 2007)
Retrofitting -- 1. Reinforcement of structures to become more resistant and resilient to the forces of natural hazards.
Retrofitting involves consideration of changes in the mass,
stiffness, damping, load path and ductility of materials, as well as
radical changes such as the introduction of energy absorbing dampers
and base isolation systems. Examples of retrofitting includes the
consideration of wind loading to strengthen and minimize the wind
force, or in earthquake prone areas, the strengthening of structures.
(UNISDR 2004)
Richter Scale -- 1. Logarithmic magnitude scale of earthquake
energy, illustrated by typical impacts. Energies of earthquakes
(Richter-scale Magnitude): Magnitude Energies (TNT) 1 = 1.7 Kg 2 = 5.9
Kg 3 = 180 Kg 4 = 6 tons 5 = 199 tons 6 = 6,270 tons 7 = 100,000 tons 8
= 6,270,000 tons 9 = 199,000,000 tons (Reference Center 1998)
Risk -- 1. The probability of harmful consequences, or expected
losses (deaths, injuries, property, livelihoods, economic activity
disrupted or environment damaged) resulting from interactions between
natural or human-induced hazards and vulnerable conditions.
Conventionally risk is expressed by the notation
Risk = Hazards x Vulnerability. Some disciplines also include
the concept of exposure to refer particularly to the physical aspects
of vulnerability.
Beyond expressing a possibility of physical harm, it is crucial
to recognize that risks are inherent or can be created or exist within
social systems. It is important to consider the social contexts in
which risks occur and that people therefore do not necessarily share
the same perceptions of risk and their underlying causes. (UNISDR 2004)
2. In general, risk is defined as the expectation value of
losses (deaths, injuries, property, etc.) that would be caused by a
hazard. Disaster risk can be seen as a function of the hazard, exposure
and vulnerability as follows; Disaster Risk = function (Hazard,
Exposure, Vulnerability). (ADRC, 2005)
3. Risk can be defined as the likelihood, or more formally the
probability, that a particular level of loss will be sustained by a
given series of elements as a result of a given level of hazard. The
elements at risk consists of populations, communities , the built
environment, the natural environment, economic activities and services,
which are under threat of disaster in a given area. (Alexander, D.
2000)
4. The probability of an event multiplied by the consequences if the event occurs. (Einstein, H.H. 1988)
5.The following formula is used to calculate disaster risk:
Disaster Risk = Hazard x Vulnerability In this equation risk is the
product of the two factors, hazard and vulnerability. Therefore, it is
clear that a risk exists only if there is vulnerability to the hazard
posed by a natural event.(Garatwa, W. & Bollin, C. 2002)
Risk accumulation -- 1. Risk accumulation is the magnitude of, and
lag in, the relationship between increasing (cumulative) exposure to a
risk factor and resultant disease. (New Zealand Ministry of Health,
2003)
Risk Assessment -- 1. A methodology to determine the nature and
extent of risk by analysing potential hazards and evaluating existing
conditions of vulnerability that could pose a potential threat or harm
to people, property, livelihoods and the environment on which they
depend.
The process of conducting a risk assessment is based on a
review of both the technical features of hazards such as their
location, intensity, frequency and probability; and also the analysis
of the physical, social, economic and environmental dimensions of
vulnerability and exposure, while taking particular account of the
coping capabilities pertinent to the risk scenarios. (UNISDR 2004)
2. Determination of vulnerabilities and hazards in certain
location to establish risks and risk probabilities. (D&E Reference
Center 1998)
3. refers to the technical assessment of the nature and magnitude of risk". (Cohrssen and Covello, 1989)
4. A risk assessment is an objective scientific assessment of
the chance of experiencing loss or adverse consequences when physical
and social elements are exposed to potentially harmful natural and
technological hazards, environmental impact, morbidity, and mortality."
(Hays and Ryland 2001)
Risk identification -- Related Terms: Risk Assessment
Risk Perception -- 1. Slovic (cited in Slaymaker 1995, 3) defines
risk perception as 'the 'common sense' understanding of hazards,
exposure and risk, arrived at by a community through intuitive
reasoning, usually expressed, as 'safe' or 'unsafe'.' He goes on the
mention that 'policy decisions are almost always driven by perceived
risk among the population affected and among decision makers [and that]
these perceptions are commonly at variance with 'technical' risk
assessments.' (Pearce 2000, Chapter 3, 18)
Safety -- 1. Safety, in the traditional sense, refers to monitoring
and reducing the risk of personnel casualties (injuries and deaths) to
some acceptable level. (Shaw, 1999)
Scope -- 1. A real or abstract border or limitation of actions,
processes or a geographical area; extent to which it is possible to
range. (Journal of Prehospital and Disaster Medicine, 2007)
Search and Rescue (SAR) -- (or Search and Recovery) 1. is an
operation mounted by emergency services, often well-trained volunteers,
to find someone believed to be in distress, lost, sick or injured
either in a remote or difficult to access area, such as mountains,
desert or forest ("Wilderness search and rescue"), or at sea, whether
close to shore or not. The term can also be applied in urban situations
when young children or senile people wander away from their homes and
cannot be found. (Wikipedia, 2007)
Seismic Activity -- 1. The phenomenon of Earth movements. (European Environment Agency, 2007)
Seismic Risk -- 1. Seismic risk consists of the components
seismic hazard, seismic vulnerability, and value of elements at risk
(both, in human and economic terms). (Wahlstrom et al. 2004)
Seismograph -- 1. An instrument used to measure and record
earthquake vibrations and other earth tremors. (American Meteorological
Society, 2007)
Shelter -- 1. Something that provides cover or protection, as
from the weather; a refuge; a haven; an establishment that provides
temporary housing for homeless people.
2. The state of being covered or protected. (O'Leary, 2007)
Shelter Belt -- 1. Trees and/or shrubs planted in rows or groups to
provide shelter and act as a windbreak to protect crops or ornamental
plants. A shelter belt needs to be dense at the bottom to produce a
good effect, as wind is blocked three feet from the bottom of the
plants for every foot in height of the shelter belt. (Colorado Spring
Utilities, 2007)
Strategy -- 1. The reconciliation of society's development goals
with Planet Earth's environmental limits over the long term. (Carrido
and Hays 2001, 1)
Structural / non-structural measures -- 1. Structural measures
refer to any physical construction to reduce or avoid possible impacts
of hazards, which include engineering measures and construction of
hazard-resistant and protective structures and infrastructure.
Non-structural measures refer to policies, awareness, knowledge
development, public commitment, and methods and operating practices,
including participatory mechanisms and the provision of information,
which can reduce risk and related impacts. (UNISDSR 2004)
Sustainability Management -- Related terms: Sustainable Development
Sustainable Development -- 1. Development that meets the needs
of the present without compromising the ability of future generations
to meet their own needs. It contains within it two key concepts: the
concept of "needs", in particular the essential needs of the world's
poor, to which overriding priority should be given; and the idea of
limitations imposed by the state of technology and social organization
on the environment's ability to meet present and the future needs.
(Brundtland Commission, 1987).
2. Sustainable development is based on socio-cultural development,
political stability and decorum, economic growth and ecosystem
protection, which all relate to disaster risk reduction. (UNISDR 2004)
3. Sustainable development is that which "meets the needs of
the present without compromising the ability of future generations to
meet their own needs." (UN World Commission 1987, 8)
Task Force -- 1. A task force is a group of members or otherwise
qualified individuals formed to completed an assignment within a
specific timeframe. (Sigma Theta Tau International, 2007)
Technological hazards -- 1. Danger originating from technological
or industrial accidents, dangerous procedures, infrastructure failures
or certain human activities, which may cause the loss of life or
injury, property damage, social and economic disruption or
environmental degradation.
Some examples: industrial pollution, nuclear activities and
radioactivity, toxic wastes, dam failures; transport, industrial or
technological accidents (explosions, fires, spills). (UNISDR 2004)
Technological Disaster -- 1. Everything that can go wrong when
systems fail, humans err, designs prove faulty, engines misfire, and so
on. (Erikson, 1989, 141)
Terrorism -- 1. The calculated use of unlawful violence or threat
of unlawful violence to inculcate fear; intended to coerce or to
intimidate governments or societies in the pursuit of goals that are
generally political, religious, or ideological. (FEMA Disaster
Dictionary 2001, 120; citing DoD Joint Pub 1-102)
Threat -- 1. Potential intent to cause harm or damage to an asset
(e.g., natural environment, people, man-made infrastructures, and
activities and operations) (O'Leary, 2007)
Toxicological Disaster -- 1. A serious environmental that causes
illness by a massive, accidental escape of toxic substances into the
air, soil, or water. Toxicological disasters affect man, animals, and
plants. (O'Leary, 2007)
Tragedy -- 1. An intensely sad, calamitous, or fatal event or course of events; disaster" (Funk & Wagnalls 1996)
Training -- 1. The act or process of teaching or learning a skill or discipline. (Journal of Prehospital and Disaster Medicine, 2007)
Urban Resilience -- 1.
Related terms: Resilience
Urbanisation / Urbanization -- 1. Urbanisation is the increase in
the proportion of people living in towns and cities. Urbanisation
occurs because people move from rural areas (countryside) to urban
areas (towns and cities). This usually occurs when a country is still
developing. (European Environment Agency, 2007)
Victim -- 1. Casualty with sustained lesions of mechanical,
chemical or nuclear nature or combinations. (Journal of Prehospital and
Disaster Medicine, 2007)
Vulnerability -- 1. The conditions determined by physical,
social, economic, and environmental factors or processes, which
increase the susceptibility of a community to the impact of hazards.
For positive factors, which increase the ability of people to cope with hazards, see definition of capacity.
(UNISDR 2004)
2. Is the characteristic of a person or a group in terms of
their capacity to anticipate, cope with, resist, and recover from the
impact of a natural disaster” (Blakie et al. 1994 p.9 quoted in Alwang
et al. 2001)
3.Summarizing livelihood and environmental literature:
vulnerability is the exposure of individuals or groups to livelihood
stress as a result of environmental change.(Alwang et al. 2001)
Warning -- 1. Dissemination of message signaling imminent hazard which may include advice on protective measures. (U.N. 1992, 5)
Wildland fire -- 1. Any fire occurring in vegetation areas regardless of ignition sources, damages or benefits.
(UNISDR 2004)
Zoning -- 1. Zoning is the local governments’ tool that regulates
land-use, promotes orderly growth, and protects existing property
owners by ensuring a convenient, attractive and functional community.
Zoning is the way the local governments control the physical
development of land and the kinds of uses to which each individual
property may be put. (ESPON, 2003)