types of drought Flashcards
1
Q
meterological drought
A
less precipitation as a result of short term variability within the long term average
2
Q
agricultural drought
A
rainfall deficiency leads to a deficiency of soil water storage , affects plant growth
3
Q
famine drought
A
a humanitarian crisis where the widespread agricultural failure leads to food shortages
4
Q
teleconnection
A
climate anomalies which relate to each other at league distances
5
Q
serious rainfall deficiency
A
rainfall totals 10% of usual values for 3 months
6
Q
severe rainfall deficiency
A
rainfall totals 5% of usual values for 3 months
7
Q
physical causes of drought
A
low, highly variable levels of rainfall (climate is dominated by the subtropic high pressure belt)
El Niño
shift in rainfall patterns in eastern areas
