Lecture 11 Ocean Salt Composition

Lecture 11 Ocean Salt Composition - Origins of Ocean Salts...

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Origins of Ocean Salts
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10% 90% of rainfall is on the oceans
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Watershed River basin Drainage basin Catchment Total land area that drains surface water to a common point. Rain that falls anywhere within a given body of water's watershed or basin will eventually drain into that body of water.
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Amazon Watershed Atlantic
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salts Watersheds, Erosion and Dissolution salts Dissolution of salts; erosion of rocks and minerals rain rain
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Dissolved in water water water water Minerals and Erosion KAlSi3O8 CaAl2Si2O8 NaAlSi3O8 K+, Ca2+, Na+, Si4+ Feldspars K Al Si 3O8 Ca Al2 Si 2O 8 Na Al Si 3O8 granite
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Dissolved Salts and Minerals KCl NaCl MgCl2 CaCO3 CaSO4 KAlSi3O8 CaAl2Si2O8 NaAlSi3O8 Rivers contain small amounts of dissolved salts that are delivered to the oceans
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Amazon Watershed Atlantic K Na Mg Cl Ca CO3 Ca SO4 Si
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< 500 mg/L Oceans 35,000 mg/L If rivers have low salt contents and they are delivering salts to the oceans, why do oceans have such high salt contents? Total Salts
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Lecture 11 Ocean Salt Composition - Origins of Ocean Salts...

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