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Chromophoric organic matter

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. WebApr 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.

Photoproduction of One-Electron Reducing Intermediates by …

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 … WebEnter the email address you signed up with and we'll email you a reset link. pop womens chambers work boots block heel https://boldnraw.com

Variations of the Absorption of Chromophoric …

WebJan 1, 2002 · Chromophoric dissolved organic matter (CDOM) is the light absorbing fraction of dissolved organic carbon (DOC). The optical properties of CDOM potentially … WebJan 25, 2024 · 1. Introduction. The chromophoric (or colored) dissolved organic matter (CDOM) is the light-absorbing part of the dissolved organic matter (DOM) in natural waters, which may cause a yellow or brown … 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 … sharon ryba-kahn displaced

The spectral slope coefficient of chromophoric dissolved organic matter

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Chromophoric organic matter

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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 … 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 …

Chromophoric organic matter

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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 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.

WebJul 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 … WebOct 4, 2016 · The fluorescence and chemical-structural characteristics of the chromophoric water-soluble organic matter in submicron aerosols collected in urban, forest, and …

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 WebMar 1, 2024 · 1. Introduction. Originated from the decomposition of plants and animal residues during microbial metabolism, chromophoric dissolved organic matter (CDOM) is an integrated mixture of organic compounds with high heterogeneity, and its wide presence plays a crucial role in various processes in terrestrial and aquatic ecosystems …

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 …

WebAug 4, 2024 · Abstract. Atmospheric chromophoric organic matter (COM) plays a fundamental role in photochemistry and aerosol aging. However, the effects of photodegradation on chemical components and photochemical … sharon rybackWebMar 10, 2024 · Chromophoric dissolved organic matter (CDOM) plays an important role in the biogeochemical cycle and energy flow of aquatic ecosystems. Thus, … pop womens tamassa wedge sandalshttp://chem.ouc.edu.cn/2024/0306/c28915a425556/page.htm pop womens focus stacked heel bootiesWebA 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. sharon rynehartWebPhotoproduction of One-Electron Reducing Intermediates by Chromophoric Dissolved Organic Matter (CDOM): Relation to O2–and H2O2Photoproduction and CDOM … sharon rykerWebApr 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 ... sharon rye wichita ksWebNov 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 … sharon ryan real estate