Natural hazards and disaster Flashcards
International Decade for Natural Disaster
Reduction (IDNDR).
1990-2000
A tropical cyclone energised by the
release of latent heat on account of the condensation of moisture that the wind gathers after moving over the oceans and seas.
is a situation when there is a prolonged period of inadequate rainfall marked with mal-distribution of the
same over time and space.
Meteorological Drought
is also known as soil
moisture drought, characterised by low soil
moisture that is necessary to support the crops
Agricultural Drought
results when the availability of water in different storages and reservoirs like aquifers, lakes, reservoirs, etc. falls below what the precipitation can replenish.
2015
Hydrological Drought
When the productivity of a natural ecosystem fails due to shortage of water and as a consequence of ecological distress, damages are induced in the ecosystem.
Ecological Drought