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atmosphere and hydrosphere (atmosphere: approx. 76 miles thick (Earth'…
atmosphere and hydrosphere
atmosphere: approx. 76 miles thick (Earth's diameter 7900 miles)
Troposphere
80% of mass of atmosphere
Heated from below by IR rediation
Temp decreases with atitude
Where weather occurs and where most greenhouse gasses are trapped
Stratosphere
stable "blanket" layer
Location of most ozone in atmosphere
Almost no water
Ozone absorb UV radiation from above and IR radiation form below
Temp increase with altitude
Upper layers (Mesosphere and Thermosphere) are vanishingly thin
Hydrosphere
only one ocean on Earth
often divided into Atlantic, Pacific, Indian, Arctic, and Antarctic Oceans --- interconnected
Cover 70% of the "blue planet
Caldron of Climate
Properties of Water
H2O is a polar charged molecule
Forms hydrogen bonds between molecules, yielding unique properties
High specific heat
amount of heat required to raise 1g of water 1 C
Temp changes very slowly relative to land and air