5.4a cs - cali

Question 1

what does ENSO lead to

Answer 1

ENSO leads to La Nina, which reduces rainfall

Question 2

describe 2013 cali drought

Answer 2

34% less rainfall

Question 3

Describe drought in CA in 2014

Answer 3

• 13 consecutive months of drought by 2014
• Some rain in Dec 2014 improved this, but needed 5x as much to allow hydrology to recover

Question 4

What effect does drought have on farmers

Answer 4

Drought means farmers must over-extract water – but this exacerbates the drought (agricultural drought)

Question 5

Difference between north and south cali

Answer 5

• South of California is consistently below average rain from 2013-16
• North has varied (2014 exception), but is mostly lower than average

Question 6

What does CA rely on for water supply

Answer 6

CA relies on snowfall / snowmelt for its water supply

Question 7

Describe change in CA snowpack

Answer 7

Snowpack has reduced from above average (137% in 2005) to well below (5% in 2015)