ENV100Y5 Lecture Notes - Lecture 14: Phytoplankton, Ecolo, Eutrophication
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ENV100Y5 Full Course Notes
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Evolution, biodiversity, and population ecology (i) + carbon cycle october 14, 2015: hydrologic cycle"s biggest reservoir: ocean, carbon cycle [continued] Long term carbon deposits, the biggest reservoir in the carbon cycle are: Geological timescales: cosdcptj (camels often sit down carefully ) Cretaceous green-house earth: [110-90 mya] carbon cycle (1st era: no glacial ice, 85% of the world was water, co2 levels were 4 x higher. Tectonic movement and the formation of new crust and subduction of it, due to sea-floor spreading, a lot of rock is being formed and carbon dioxide is liberated. As sea-floor spreading occurs, with sediments diverging from each other, co2 levels are released that have been stored in sediments. De-gas liberation of carbon dioxide from long-term reservoirs: mean global temperature was 6. 2 * = cautionary tale. Ex of carbon cycle if disrupted could result in the mid-cretaceous era ice age . Paradoxically, high temperatures triggered a brief ice age.
