types of drought Flashcards Preview

A-Level Geography - Water Cycle > types of drought > Flashcards

Flashcards in types of drought Deck (7):
1

meterological drought

less precipitation as a result of short term variability within the long term average

2

agricultural drought

rainfall deficiency leads to a deficiency of soil water storage , affects plant growth

3

famine drought

a humanitarian crisis where the widespread agricultural failure leads to food shortages

4

teleconnection

climate anomalies which relate to each other at league distances

5

serious rainfall deficiency

rainfall totals 10% of usual values for 3 months

6

severe rainfall deficiency

rainfall totals 5% of usual values for 3 months

7

physical causes of drought

low, highly variable levels of rainfall (climate is dominated by the subtropic high pressure belt)
El Niño
shift in rainfall patterns in eastern areas