2.4- Droughts Flashcards
What are the 2 types of drought?
hydrological and metoroligical
What is a hydrological drought?
when the water cycle receives less rainfall than normal so resevoirs aren’t refilled
What is a meteorological drought?
when an area receives less than average precipitation
What is the definition of drought in the UK?
15 days without rainfall
what does arid mean?
dry
Was the California drought hydrological or meteorological?
hydrological- lower than normal rainfall and snowfall
What were the main hazards of the California drought?
wildfires which started and spread quickly as vegetation was so dry
subsidence as groundwater levels dropped causing land to settle at a lower level
What are the economic impacts of the California drought?
It cost California 2.7 billion dollars a year
What are the environmental impacts of the California drought?
wildlife and habitats were destroyed
reduction in biodiversity
wildfires spread rapidly
What were some government responses to the California drought?
educational campaigns such as save our water
What were some organisational responses of the California drought?
University of California research project for effectively managing groundwater
How have individuals responded to the California drought?
farmers encouraged to use water effective irrigation
homeowners encouraged to check for water leeks
What were the main hazards of the Ethiopia Drought in 2015?
reduction in crop yields and longer journeys to find water
what was the social impacts of the Ethiopian drought?
death of livestock caused the food crisis so people ate less and became week from malnutrition
What was some Environmental effects of the Ethiopian drought?
loss of habitat for fish and wildlife