Why Is The U.S. West Experiencing A Megadrought?

Why Is The U.S. West Experiencing A Megadrought?

Assessment

Interactive Video

Biology, Geography, Science

University

Hard

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The video discusses the severe drought conditions in the Western US, highlighting the dangerously low levels of major reservoirs like Lake Mead. It explores historical drought patterns through tree ring analysis, revealing that the region has experienced droughts for centuries. The current mega drought, exacerbated by climate change, is the worst in 1200 years. Factors like high temperatures, low precipitation, and vapor pressure deficit contribute to the drought's severity. Climate models show that climate change has worsened the drought by 23%. The video concludes with a warning about the increasingly arid conditions expected in the future.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What role does snowpack play in the water supply, and how has it changed over the last 40 years?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What predictions do scientists make about the future of droughts in the Western United States?

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