GGR203H1 Lecture Notes - Lecture 2: Cloud Condensation Nuclei, Cryosphere, Evapotranspiration
Document Summary
Solar radiation reaching ocean surface: affects salinity which affects currents, reflected by clouds, cryosphere. Winds: sublimation, moves sea ice around, biosphere. Solar radiation reaching plants: proportion of direct and diffuse solar radiation, lithosphere. Temperature, moisture: affect mechanical and chemical weathering. Mechanical weather such as from ice freezing in cracks. Weathering removes carbon dioxide from the atmosphere. Increased carbon dioxide accelerates weathering process through acid rain. Source of sulfur: released by bacteria in ocean, which become sulfate and then become cloud condensation nuclei, become aerosols that affect solar radiation properties of clouds. Source or sink of carbon dioxide: release of carbon dioxide to sea water when carbonate rocks form, eventually affecting atmospheric carbon dioxide concentration, cryosphere, affects temperatures and thus extent of sea ice. Rising sea level causes ice sheets that reach edge of continents to calve (break off) Ocean temperature, salinity, acidity affect marine biota.
