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Rivers_I_-_Lect11_S10

Rivers_I_-_Lect11_S10 - Rivers I Components of River Water...

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1 Rivers I: Components of River Water Advanced Environmental Geochemistry Lecture 11 – Spring 2010
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Bedload Video 2 Video of bed load movement in Borrego Palm Canyon, San Diego County, California
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3 Precipitation Belts The equatorial and sub polar lows are regions of net positive precipitation
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4 Dissolved and Suspended Loads of World’s Largest Rivers River Water Tg/yr x 10 5 Dissolved Solids Tg/yr Suspended Solids Tg/yr Dissolved concent. ppm Suspended concent. ppm Dissolved/ Suspended Amazon 63.0 275 1200 43.7 190 0.23 Zaire 12.5 41 43 33 34 0.95 Orinoco 11.0 32 150 29 140 0.21 Jansei (Yangtze) 9.00 247 478 274 531 1.94 Brahmaputra 6.03 61 540 100 896 0.11 Mississippi 5.80 125 210 216 362 0.60 Yenisei 5.60 68 13 120 23 5.2 Lena 5.25 49 18 93 34 2.7 Mekong 4.70 57 160 120 340 0.36 After Berner and Berner, 1987, and Berner and Berner, 1996. In some cases, these figures are post-dam information. Pre-dam suspended loads were higher.
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5 Dissolved and Suspended Loads of World’s Largest Rivers River Water Tg/yr x 10 5 Dissolved Solids Tg/yr Suspended Solids Tg/yr Dissolved concent.
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