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atsci ch 3

seasonal and daily temperature

QuestionAnswer
normal sea level pressure: 14.7... PSI
normal sea level pressure: 1013.25... mb, hPa
normal sea level pressure: 29.92... "Hg
how does atmospheric density change with height? decreases
how does atmospheric pressure change with height? decreases
to keep everything in balance the pressure force has to equal what? the weight of the column above
what is the symbol of pressure? P
P = ? ρRT
PV = ? mRT
why do we have seasons? the earth's tilt
incoming solar radiation insolation
summer solstice date june 21
at what latitude is the sun directly overhead during the summer solstice? 23.5 degrees
what tropic has the sun directly overhead during the summer solstice? tropic of cancer
autumnal equinox date september 22
at what latitude is the sun directly overhead during the autumnal equinox? 0 degrees
winter solstice date december 21
at what latitude is the sun directly overhead during the winter solstice? 23.5 degrees
what tropic has the sun directly overhead during the winter solstice? tropic of capricorn
vernal equinox date march 20
at what latitude is the sun directly overhead during the vernal equinox? 0 degrees
how is heat distributed from the equator to the poles? water, hurricanes
what is seasonal lag? when the highest / coldest days are later than the solstices because the incoming shortwave exceeds the outgoing IR
what is the diurnal cycle? peak temperature lags after peak insolation because earth continues to warm until outgoing infrared radiation exceeds insolation
insolation the amount of sunlight hitting the surface over the course of the day
insolation depends on the number of daylight hours, the surface's orientation relative to the sun
what if the earth had no tilt? 12 hours of daylight at all altitudes, max insolation at the equator
where has the record of the highest temps? death valley, 134 F
what does condensation / dew formation do to temperature? warms by latent heat release
Created by: user-1978214
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