Chromophoric organic matter
WebThe 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 CO 2 … WebChromophoric dissolved organic matter (CDOM) is a ubiquitous component of the open ocean dissolved matter pool, and is important owing to its influence on the optical …
Chromophoric organic matter
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WebApr 9, 2024 · Dissolved organic matter (DOM) is an important component in the biogeochemical cycles of elements like nitrogen (N) and carbon. The aim of this study was to elucidate the effect of long-term inorganic N addition on the quantity and quality of DOM in forest soils. A field study was conducted on three forms of inorganic N, namely … WebPhotoproduction of One-Electron Reducing Intermediates by Chromophoric Dissolved Organic Matter (CDOM): Relation to O2–and H2O2Photoproduction and CDOM …
WebIllustrated Glossary of Organic Chemistry. Chromophore: The portion of a molecule's structure which absorbs visible light photons, causing the molecule to have color. All … WebJun 28, 2024 · Chromophoric dissolved organic matter (CDOM), the colored fraction of dissolved organic matter (DOM), consisting of aromatics, carbohydrates, and humic, fulvic and proteinaceous materials, is an optically active substance in the water column that plays a momentous role in lake ecosystems [ 1, 2, 3 ].
WebApr 20, 2024 · The light-absorbing property of chromophoric DOM (CDOM) affects ocean optics ( Blough and Del Vecchio, 2002) and leads to an array of photoreactions involved in marine biogeochemical cycles of organic carbon, nutrients, and trace gases (Mopper et … WebMarine refractory dissolved organic matter (RDOM) in the dark ocean is primarily formed during heterotrophic degradation of labile organic matter, which has a pronounced sensitivity to temperature variation. Since the …
WebChromophoric Dissolved Organic Matter or Colored Dissolved Organic Matter (CDOM): Both refer to organic matter in water that absorbs strongly in the ultraviolet (UV) …
WebDec 19, 2024 · This works aims at assessing the ability of European rivers to photoproduce reactive transient intermediates, such as HO • radicals and the excited triplet states of chromophoric dissolved organic matter (3 CDOM*), involved in pollutant degradation. A photochemical mapping of the steady-state concentrations of these transients was … howard beach ny car rentalsWebApr 9, 2024 · Dissolved organic matter (DOM) is an important component in the biogeochemical cycles of elements like nitrogen (N) and carbon. The aim of this study … howard beach personal injury lawyerWebJul 14, 2024 · Chromophoric dissolved organic matter (CDOM) is a key component of organic matter that contributes to the ecological functioning of lakes. The lakes in Taihu … how many human words can a dog understandWebMar 4, 2013 · This study experimentally determined the contribution of ferric iron (Fe(III)) associated with humic substances (HS) to light absorption by chromophoric dissolved organic matter (CDOM). The associations between Fe(III) and HS (HS-Fe) were generated by mixing HS standards with Fe(III) in acidic conditions and adjusting pH to 8. howard beach ny to flushing nyWebJan 1, 2024 · Chromophoric Dissolved Organic Matter (CDOM) as an Indicator for Studying Carbon Cycle in the Northern Bay of Bengal January 2024 Authors: Sourav Das Brainware University Discover the world's... how many human teeth totalWebJun 28, 2024 · Chromophores, Fluorescence, Light absorption, Particulate matter Abstract Organic compounds are important contributors to the oxidative potential (OP) of atmospheric aerosols. This study is the first to report the OP of water-soluble organic matter (WSOM) related to the chromophoric substances in PM 2.5 over Xi’an, China. howard beach ny is in what countyWebApr 8, 2024 · Reactive oxygen species played an important role in the photodegradation of POM, and excited triplet state chromophoric dissolved organic matter (3 CDOM*) was mainly responsible for POM photodegradation. These results provide new insights into the P biogeochemical cycle and POM photodegradation in aquatic ecosystems. how many human trafficking victims in 2021