Matches in SemOpenAlex for { <https://semopenalex.org/work/W2080257037> ?p ?o ?g. }
- W2080257037 endingPage "432" @default.
- W2080257037 startingPage "410" @default.
- W2080257037 abstract "We present an extensive river sediment dataset covering the Ganga basin from the Himalayan front downstream to the Ganga mainstream in Bangladesh. These sediments were mainly collected over several monsoon seasons and include depth profiles of suspended particles in the river water column. Mineral sorting is the first order control on the chemical composition of river sediments. Taking into account this variability we show that sediments become significantly depleted in mobile elements during their transit through the floodplain. By comparing sediments sampled at the Himalayan front with sediments from the Ganga mainstream in Bangladesh it is possible to budget weathering in the floodplain. Assuming a steady state weathering regime in the floodplain, the weathering of Himalayan sediments in the Gangetic floodplain releases ca. (189 ± 92) × 109 and (69 ± 22) × 109 mol/yr of carbonate bound Ca and Mg to the dissolved load, respectively. Silicate weathering releases (53 ± 18) × 109 and (42 ± 13) × 109 mol/yr of Na and K while the release of silicate Mg and Ca is substantially lower, between ca. 0 and 20 × 109 mol/yr. Additionally, we show that sediment hydration, [H2O+], is a sensitive tracer of silicate weathering that can be used in continental detrital environments, such as the Ganga basin. Both [H2O+] content and the D/H isotopic composition of sediments increases during floodplain transfer in response to mineral hydrolysis and neoformations associated to weathering reactions. By comparing the chemical composition of river sediments across the floodplain with the composition of the eroded Himalayan source rocks, we suggest that the floodplain is the dominant location of silicate weathering for Na, K and [H2O+]. Overall this work emphasizes the role of the Gangetic floodplain in weathering Himalayan sediments. It also demonstrates how detrital sediments can be used as weathering tracers if mineralogical and chemical sorting effects are properly taken into account." @default.
- W2080257037 created "2016-06-24" @default.
- W2080257037 creator A5005209201 @default.
- W2080257037 creator A5014458810 @default.
- W2080257037 creator A5026509706 @default.
- W2080257037 creator A5034326743 @default.
- W2080257037 creator A5035230066 @default.
- W2080257037 creator A5038010742 @default.
- W2080257037 creator A5040139357 @default.
- W2080257037 creator A5059318214 @default.
- W2080257037 creator A5074644264 @default.
- W2080257037 creator A5081624377 @default.
- W2080257037 date "2012-05-01" @default.
- W2080257037 modified "2023-10-14" @default.
- W2080257037 title "Predominant floodplain over mountain weathering of Himalayan sediments (Ganga basin)" @default.
- W2080257037 cites W1677532904 @default.
- W2080257037 cites W1966360142 @default.
- W2080257037 cites W1966456250 @default.
- W2080257037 cites W1969019693 @default.
- W2080257037 cites W1969414340 @default.
- W2080257037 cites W1976732482 @default.
- W2080257037 cites W1979329811 @default.
- W2080257037 cites W1982081538 @default.
- W2080257037 cites W1982493705 @default.
- W2080257037 cites W1986043507 @default.
- W2080257037 cites W1989801366 @default.
- W2080257037 cites W1993280670 @default.
- W2080257037 cites W1993959112 @default.
- W2080257037 cites W1996569500 @default.
- W2080257037 cites W1997935814 @default.
- W2080257037 cites W2003837356 @default.
- W2080257037 cites W2004368260 @default.
- W2080257037 cites W2004520055 @default.
- W2080257037 cites W2005101902 @default.
- W2080257037 cites W2005188787 @default.
- W2080257037 cites W2008587428 @default.
- W2080257037 cites W2016138287 @default.
- W2080257037 cites W2016199066 @default.
- W2080257037 cites W2016273341 @default.
- W2080257037 cites W2016976886 @default.
- W2080257037 cites W2019795776 @default.
- W2080257037 cites W2026259569 @default.
- W2080257037 cites W2026723150 @default.
- W2080257037 cites W2027381094 @default.
- W2080257037 cites W2028055330 @default.
- W2080257037 cites W2029664473 @default.
- W2080257037 cites W2030711236 @default.
- W2080257037 cites W2033025648 @default.
- W2080257037 cites W2033382241 @default.
- W2080257037 cites W2034474007 @default.
- W2080257037 cites W2035485436 @default.
- W2080257037 cites W2036943765 @default.
- W2080257037 cites W2038712390 @default.
- W2080257037 cites W2039184285 @default.
- W2080257037 cites W2040952984 @default.
- W2080257037 cites W2047661207 @default.
- W2080257037 cites W2050932017 @default.
- W2080257037 cites W2052261526 @default.
- W2080257037 cites W2056627274 @default.
- W2080257037 cites W2057070768 @default.
- W2080257037 cites W2059927840 @default.
- W2080257037 cites W2062777767 @default.
- W2080257037 cites W2066186430 @default.
- W2080257037 cites W2068420976 @default.
- W2080257037 cites W2069243531 @default.
- W2080257037 cites W2075238897 @default.
- W2080257037 cites W2075322343 @default.
- W2080257037 cites W2084054683 @default.
- W2080257037 cites W2084241674 @default.
- W2080257037 cites W2084849445 @default.
- W2080257037 cites W2086694987 @default.
- W2080257037 cites W2088392839 @default.
- W2080257037 cites W2089605952 @default.
- W2080257037 cites W2095016078 @default.
- W2080257037 cites W2097828895 @default.
- W2080257037 cites W2101048084 @default.
- W2080257037 cites W2102029231 @default.
- W2080257037 cites W2102249815 @default.
- W2080257037 cites W2103178332 @default.
- W2080257037 cites W2107127140 @default.
- W2080257037 cites W2114663217 @default.
- W2080257037 cites W2116035338 @default.
- W2080257037 cites W2124781550 @default.
- W2080257037 cites W2126201443 @default.
- W2080257037 cites W2153038124 @default.
- W2080257037 cites W2161618578 @default.
- W2080257037 cites W2168788553 @default.
- W2080257037 cites W2174432617 @default.
- W2080257037 cites W2202494866 @default.
- W2080257037 cites W2255666943 @default.
- W2080257037 cites W2313817192 @default.
- W2080257037 doi "https://doi.org/10.1016/j.gca.2012.02.001" @default.
- W2080257037 hasPublicationYear "2012" @default.
- W2080257037 type Work @default.
- W2080257037 sameAs 2080257037 @default.
- W2080257037 citedByCount "222" @default.
- W2080257037 countsByYear W20802570372012 @default.
- W2080257037 countsByYear W20802570372013 @default.