ENV100H1 Lecture Notes - Lecture 19: Dissolved Organic Carbon, Sulfuric Acid, Fossil-Fuel Power Station
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ENV100H1 Full Course Notes
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99. 99% locked up in crustal rocks, deep soils, sediments (very stable) 0. 000001% obtained through geological processes (weathering) land- soil, tightly bound oceans biota- dust, reaction phosphorus bind to soil particles. Phosphorus cycle weathering of phosphate from rocks leached into soil/plants animals consume plants decomposition of animals phosphate leach into water ways from soil or return to plants sedimentation into oceans= new rocks no chemoautotroph no major gaseous form. Sources + transport of dust dust sources fall into oceans dust from major deserts- sahara desert/ gobi desert dry soils, high winds open ocean- ux of dust to the oceans. Phosphorus export in rivers exports mostly modi ed by humans weathered (natural process) manure, fertilizer, detergent, sewage= human impacted mostly sewage + detergents (96%) Nw ontario small lakes on canadian shield ecosystem experiments distilled water adding chemicals to test big eutrophication problems at the time.
