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Exam 3
Chapter 10
Question | Answer |
---|---|
Average global temperatures have (inc/dec) by about ___ degrees since 1980. | increased by .9 degrees Celcius |
Diurnal temperature range has (inc/dec) | decreased |
Diurnal temperature range (DTR) | change in daily maximum and daily minimum |
precipitation has (inc/dec) since 1900 | increased |
Sea level rise has (inc/dec) since 1900 | increased |
Snow cover has (inc/dec) since 1900 | decreased |
2 main reasons for climate change | 1. natural mechanisms 2. human mechanisms |
T/F- Sea levels will continue to rise with the increase of temperatures | True |
General Circulation Model (GCM) | breaks up global areas into boxes and measures temp, precip, humidity, wind and sunlight |
GCM's projects precip to _______ by about ________%. | increase 10-20% |
GCM projects high northern latitudes to experience maximum | maximum warming in high northern latitudes |
GCM precipitation patterns | dry places projected to get drier; |
Top 3 Greenhouse Gases | methane, nitrous oxide, carbon dioxide |
GCM precip projections | increase in temp 1.8-4 degrees C; more intense cyclones/droughts/precip |