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The Effects of Land Use and Human Activities on Carbon Cycling in Texas Rivers
I investigated how land use and human activities affect the sources and cycling of carbon (C) in subtropical rivers. Annually rivers receive a large amount of terrestrial C, process a portion of this C and return it to the ...
Broadening theories of soils genesis: Insights from Tanzania and simple models
Three basic assumptions of soil formation are challenged herein: the degree of chemical weathering decreases with depth; increased physical weathering due to high topographical gradients causes an increase in chemical ...
Reconstruction of eastern Pacific climate variability using multiple geochemical tracers in Cocos Island corals
Multiple isotopic and geochemical tracers were employed to unravel the complex history of recent environmental variability at Cocos Island. Downcore variations in delta18O, U/Ca, Sr/Ca, and Ba/Ca within coral skeletal ...