Chromophoric organic matter

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August undefined, 2024

WebOct 1, 2024 · Comprising one of the major carbon pools on Earth, marine dissolved organic matter (DOM) plays an essential role in global carbon dynamics. The objective of this study was to better characterize DOM in the eastern Indian Ocean. To better understand the underlying mechanisms, seawater samples were collected in October and November of … WebMar 10, 2024 · Chromophoric dissolved organic matter (CDOM) plays an important role in the biogeochemical cycle and energy flow of aquatic ecosystems. Thus, systematic and comprehensive understanding of CDOM dynamics is critically important for aquatic ecosystem management. CDOM spans multiple study fields, including analytical …

Variations of the Absorption of Chromophoric …

WebPhotoproduction of One-Electron Reducing Intermediates by Chromophoric Dissolved Organic Matter (CDOM): Relation to O2–and H2O2Photoproduction and CDOM … WebJul 14, 2024 · Jianying Chao, Xuguang Ge, Jiuyun Yang & Hui Yang Chinese Geographical Science 32 , 606–619 ( 2024) Cite this article 67 Accesses 2 Citations Metrics Abstract Chromophoric dissolved organic matter (CDOM) is a key component of organic matter that contributes to the ecological functioning of lakes. christian writers conferences

Chromophoric dissolved organic matter in inland waters

WebMar 9, 2024 · Wetlands export chromophoric dissolved organic matter (CDOM) to estuaries, where CDOM is removed and transformed through biotic and abiotic process, subsequently impacting nutrient cycling, light availability, ecosystem metabolism, and phytoplankton activity. WebNov 8, 2010 · Abstract. The high-mountain lakes on the Yungui Plateau in China are exposed to high-intensity ultraviolet radiation, and contain low concentrations of … WebOct 4, 2016 · The fluorescence and chemical-structural characteristics of the chromophoric water-soluble organic matter in submicron aerosols collected in urban, forest, and … christian writers for hire

The importance of charge-transfer interactions in determining ...

Characterization of Chromophoric Water-Soluble Organic Matter in Ur…

WebOct 25, 2013 · CDOM biogeochemical cycle is driven by several physical and biological processes such as river input, biogeneration and photobleaching that act as primary … WebJun 1, 2002 · 1.. IntroductionThe absorption of light by the chromophore-containing constituents of dissolved organic matter (CDOM) initiates a variety of important processes in surface waters, including the deposition of heat (Kirk, 1988), the production of luminescence Blough and Green, 1995, Vodacek et al., 1995, Coble et al., 1990, and the … christian writer newsWebApr 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 … geox bleyze loafers

"WebFeb 5, 2024 · Dissolved organic matter (DOM) is one of the Earth’s major carbon reservoirs and the largest ocean pool of reduced carbon (662 Pg C) 1.The fraction of DOM that absorbs light, referred to as ... " - Chromophoric organic matter

Chromophoric organic matter

The spectral slope coefficient of chromophoric dissolved organic …

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 … WebThe present study demonstrates that the spectral slope coefficient of chromophoric dissolved organic matter (CDOM) between 275 nm and 295 nm (S 275–295) can be …

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WebJan 21, 2015 · Dissolved organic matter (DOM) properties, including chromophoric dissolved organic matter absorption coefficient (ag412) … WebMar 6, 2024 · Characterization of chromophoric dissolved organic matter (CDOM) in the East China Sea in autumn using excitation-emission matrix (EEM) fluorescence and parallel factor analysis (PARAFAC), Science in China Series B: Chemistry, 2013, 56 (12): 1790-1799. 5)Cui Zhang, Rongguo Su, Shanshan Zhang, Zhijie Song, Xiulin Wang. A new …

Webchro·mo·phore. (krō′mə-fôr′) n. Any of various chemical groups that absorb light of certain wavelengths and when present in an organic compound, such as a dye or pigment, are …

WebJan 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... WebAug 20, 2024 · The production and transformation of marine chromophoric dissolved organic matter (CDOM) provides a window into the marine biological pump as it is …

Colored dissolved organic matter (CDOM) is the optically measurable component of dissolved organic matter in water. Also known as chromophoric dissolved organic matter, yellow substance, and gelbstoff, CDOM occurs naturally in aquatic environments and is a complex mixture of many hundreds … See more The concentration of CDOM can have a significant effect on biological activity in aquatic systems. CDOM diminishes light intensity as it penetrates water. Very high concentrations of CDOM can have a limiting effect on See more Traditional methods of measuring CDOM include UV-visible spectroscopy (absorbance) and fluorometry (fluorescence). Optical proxies have been developed to characterize sources and properties of CDOM, including specific ultraviolet … See more • The Color of the Ocean from science@NASA See more • Blackwater river • Color of water • Dissolved organic carbon (DOC) • Ocean turbidity • Secchi disk See more

WebEnter the email address you signed up with and we'll email you a reset link. christian writers for lifeWebMar 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. christian writers groups onlineWebA comprehensive survey of dissolved organic carbon (DOC) and chromophoric dissolved organic matter (CDOM) was conducted in the Canada and Makarov Basins and adjacent seas during 2010–2012 to investigate the dynamics of dissolved organic matter (DOM) in the Arctic Ocean. geox botinesWebFeb 16, 2024 · Chromophoric dissolved organic matter (CDOM) is the main sunlight absorber in surface waters and a very important photosensitiser towards the generation … christian writers guild homeWebThe 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 … christian writers groupsWebJul 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 … geox borealis sandalsWebApr 7, 2024 · Chromophoric Dissolved Organic Matter (CDOM) plays a critical role in the carbon and biogeo-chemical cycles within aquatic ecosystems. Satellite imagery can be employed to determine aquatic CDOM ... christian writer chesterton