نتایج جستجو برای: dissolved organic carbon

تعداد نتایج: 471610  

2012
Cédric G. Fichot Ronald Benner

The present study demonstrates that the spectral slope coefficient of chromophoric dissolved organic matter (CDOM) between 275 nm and 295 nm (S275–295) can be used as a tracer of the percent terrigenous dissolved organic carbon (%tDOC) in river-influenced ocean margins, where rivers exert an important control on carbon dynamics and CO2 fluxes. Absorption coefficients of CDOM and concentrations ...

Journal: :Eos, Transactions American Geophysical Union 2012

2012
Aron Stubbins Eran Hood Peter A. Raymond George R. Aiken Rachel L. Sleighter Peter J. Hernes David Butman Patrick G. Hatcher Robert G. Striegl Paul Schuster Hussain A. N. Abdulla Andrew W. Vermilyea Durelle T. Scott Robert G. M. Spencer

Glacier-derived dissolved organic matter represents a quantitatively significant source of ancient, yet highly bioavailable carbon to downstream ecosystems1. This finding runs counter to logical perceptions of age–reactivity relationships, in which the least reactive material withstands degradation the longest and is therefore the oldest2. The remnants of ancient peatlands and forests overrun b...

Journal: :Global Biogeochemical Cycles 2007

Journal: :Eos, Transactions American Geophysical Union 2011

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