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exam 1 questions
| Question | Answer |
|---|---|
| Where is the ozone hole and why is it there? | southern hemisphere over antarctica caused by CFCs over antartica because move there during summer and trapped there bhy polar vortex |
| WHat's a major greenhouse gas? | carbo dioxide co2 |
| Shape of the earth | oblate ellipsoid |
| What is it called when more snow results in higher albedo effect, therefore less energy absorbed, resulting in cooler temp. and more snow? | albedo feedback effect |
| Why is the September equinox warmer then march equinox in northern hemisphere? | the latitude of subsolar point migrates throughout the year |
| What is the earth's tilt | 23.5 degrees |
| where do all meridians on earth converge? | at the poles |
| If 100 unitsof rad enter top of atmosphere 31 are reflected away from earth and 69 are absorbed, how many of the 69 absorbed are lost to space? | |
| What did explorers use to find latitude? | sextant to measure angle to horizon by north star |
| What did explorers use to find longitude? | a clock |
| When does the north pole lean toward the sun marking the beginning of summer? | June solstice |
| When does the north pole lean away from the sun marking the begginning of the winter? | December solstice |
| at summer solstice the north pole recieves? | 24 hour day |
| Term for the heat released when substance changes state? | latent heat |
| What is the lag time between highest daily insolation and highest daily temperature for coastal vs. continental locations called? | |
| higher elevations experience lower average temperatures during both the day and night | |
| What causes the seasons? | earth tilts on its axis and rotates making revolution around the sun |
| What are the 5 factors influencing air temperature? | -insolation -latitude -surface type -coastal vs. interior -elevation |
| coastal location temp | moderate more stable less seasonality |
| interior location temp | more extreme fluctuation in temp |
| higher elevation= | cooler temp |
| What are isotherms | lines connecting points of equal temp. |
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