Lecture 10 (Matter cycles)

Hydrologic cycle water cycle driven by solar energy

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Unformatted text preview: out again by plants. Hydrologic Cycle: Water cycle driven by solar energy, causing evaporation of surface water. Water vapour carries this energy in thermal form. ● Vaporization of 1 kg of water requires 2260 kJ ● Energy released to air upon condensation Flowing water shapes surface of the Earth over long time scales. Flowing water also transports vital biological nutrients. Hydrologic Cycle: Other Cycles: Other macronutrients also cycle through the ecosphere. ● Nitrogen ● Phosphorus ● Sulphur ● Calcium In all cases the biosphere...
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