Key words

  • Created by: Charlotte
  • Created on: 03-01-13 22:49
Natural Hazard
natural event with the potential to harm people and their property.
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Natural Disaster
realisation and impacts of a natural hazard i.e deaths, injuries, disruption and damage
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Hydro-meteorological hazards
atmospheric or hydrological process
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Geophysical hazards
result from geological processes
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Eathquakes
violent shaking of the earth
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volcanoes
vent in the earths crust, lava steam and ash is expelled
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tsunami
large wave
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landslides
falling of soil or rock from a slope. 35 degree slope
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avalanches
a large mass of snow, ice, sliding downwards. 35 degree slope
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cyclones
violent rotating windstorm. 26 degrees warm air rises up, lower pressure which the air rushes to fill the space- swirling clouds.
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drought
dry grounds
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flooding
large amount of rain falling over a long period of time
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tornadoes
violent rotating column of air, extending from a thunderstorm. Mosit air rises, when it meets cold air, creates an unstable atmosphere. creates a spinning affect
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fire
fuel is ignited
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capacity
the ability of a community to absorb and ultimately recover from the effects of a natural hazard.
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hazards
threats to human life and property, they are unpredictable in terms of power, geographical extent and timing
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natural hazard
a naturally occurring event that can have a significant impact upon people, property, environment such as hydro-meteorological or geophysical event
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natural disaster
the situation when a natural hazard results in a large degree of loss or damage to life, property and prosperity.
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risk
the risk of a disaster can be seen as a function of the hazard itself, the vulnerability of a population and their capacity to cope with that hazard.
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vulnerability
the likelihood that a particular location or community will be affected by a hazardous event.
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the green house effect
natural phenomenon. GHG trap some of the heat radiated from the earth. important to sustain life of earth. temperatures would be 30 degrees cooler. GHG absorb outgoing long wave radiation.
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global warming
the observable increase in the average temperature of the earth, caused by the enhanced greenhouse effect
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magnitude
size, represents the amount of work done
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frequency
number of events of a given magnitude over a period of time
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disaster hotspot
occurs when 2 or more hazard types occur in vulnerable vocations
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IPCC
1988, decision makers and others with an objective to source info about CC
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enhanced greenhouse effect
increased levels of gases, cause the earth's atmosphere to increase in temp.
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climate forcing
alters global energy balance and forces the climate to change.
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radiative forcing
relative contributions of anthropogenic activities and natural cycles to the climate change
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anthropogenic
caused by human activity
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UNFCCC
international agreement in combating global warming
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insolation
incoming solar radiation
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albedo
the ability of a surface to reflect light
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fossil fuels
natural-hydrocarbons produce energy
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greenhouse gases
trap out going radiation, increase atmospheric temperature.
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climate modelling
computer programmes are used to simulate CC
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unprecedented
unparalled, never happened before
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direct impacts
result of changes in temperature and rainfall.
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indirect impacts
ice sheets melt, rise in sea level, flooding, coastal erosion.
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eustatic change
change in sea level, due to a change in the amount of water in the oceans
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isostatic change
movement of land in repsonse to loss or gain of mass (melting icesheets leads to uplift)
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tipping point
point at which the damage caused to the systems of the earth by global warming becomes irreversible.
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climate change
sustained change in the average global climate
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positive feeback
the enhancement of an effect by its own influence on the process that gives rise to it.
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annex 1 countries
kyoto protocol identified these countries as being most responsible for global warming
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carbon sink
carbon is stored
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biomass fuel
derived from an organic source
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marrakesh accords
rules agreed in 2001- operate the kyoto protocol more efficiently
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carbon offsetting
mitigating GHG emissions
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sustainable development
meets the needs of the present generation without compromising the ability of future generations.
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CHP system
combined heat and power system
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climate friendly technology
innovative or development which has little or no impact on the earths climate
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peak emissions
GHG emissions reach their highest level
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carbon market
buy and sell quotas, production of co2 gases.
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carbon footprint
our impact on the environment
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UNFCCC
united nations framework convention on climate change. 1994 step to combat GW
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kyoto protocol
1997, international agreement that set targets for developed nations
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carbon sequestration
natural processes, plant respriation, offset co2 emissions. Trees absorb co2 give out o2.
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clean development mechanism
developed nations offset co2 emissions by encouraging and financing other nations
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carbon capture
solution to climate change- GHG contained and stored safely before the can enter the atmosphere
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adaptive capacity
the extent to which a system can cope with climate change- available human, physical and financial resources
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climate vulnerability
the degree to which a natural or human system lacks the ability to cope with climate change
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mitigation
reducing the output of GHG and increasing the size of GHG sinks.
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adaptation
changing our lifestyles to cope with a new environment, rather than trying to stop climate change.
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Other cards in this set

Card 2

Front

realisation and impacts of a natural hazard i.e deaths, injuries, disruption and damage

Back

Natural Disaster

Card 3

Front

atmospheric or hydrological process

Back

Preview of the back of card 3

Card 4

Front

result from geological processes

Back

Preview of the back of card 4

Card 5

Front

violent shaking of the earth

Back

Preview of the back of card 5
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