Results 131 to 140 of about 984 (166)
Some of the next articles are maybe not open access.
Contaminant-mediated photobleaching of wetland chromophoric dissolved organic matter
Environ. Sci.: Processes Impacts, 2014Organic contaminants in wetlands undergo indirect photodegradation in the presence of chromophoric dissolved organic matter (CDOM), and in turn can mediate the photobleaching of CDOM.
Maureen C, Langlois +2 more
openaire +2 more sources
Impacts of haze on the photobleaching of chromophoric dissolved organic matter in surface water
Environmental Research, 2022Sunlight plays an important role in the photochemical processes of chromophoric dissolved organic matter (CDOM), which is closely related to water self-purification and primary productivity of healthy aquatic ecosystem health. The fine particles of haze, a widespread air pollutant, absorb natural ultraviolet (UV) irradiation and have an unknown degree ...
Ganghui Tong +8 more
openaire +2 more sources
The Delivery of Chromophoric Dissolved Organic Matter to the Sea
2001Abstract : The long-term goal of this research is to better understand the biogeochemical cycling of dissolved organic matter (DOM) in coastal waters. Of particular interest is the fate of terrigenous and dissolved organic matter in coastal marine systems and its affects on ocean color.
Xuchen Wang +2 more
openaire +1 more source
Water Research, 2015
The binding of Ca(2+) and Cu(2+) by dissolved organic matter (DOM) exemplified by Suwannee River Humic Acid (SRHA) was examined in this study. Metal-DOM interactions were quantified using linear and log-transformed DOM absorbance spectra acquired at varying pHs and total Ca(2+) and Cu(2+) concentrations. The binding of Cu(2+) by DOM was examined in the
Yuan, Gao +2 more
openaire +2 more sources
The binding of Ca(2+) and Cu(2+) by dissolved organic matter (DOM) exemplified by Suwannee River Humic Acid (SRHA) was examined in this study. Metal-DOM interactions were quantified using linear and log-transformed DOM absorbance spectra acquired at varying pHs and total Ca(2+) and Cu(2+) concentrations. The binding of Cu(2+) by DOM was examined in the
Yuan, Gao +2 more
openaire +2 more sources
A Chromophoric Dissolved Organic Matter (CDOM) Observatory
2010Abstract : The long-term goal of this project is to develop an understanding of coastal systems such that optical properties of complex coastal waters can be retrieved and predicted from remote sensing and modeling efforts. This project focuses on establishing a moderate-scale observatory to develop watershed and coastal ocean models and remote sensing
Yong Tian, G. B. Gardner, Robert F. Chen
openaire +1 more source
Formation of planktonic chromophoric dissolved organic matter in the ocean
Marine Chemistry, 2019Abstract Chromophoric dissolved organic matter (CDOM) is an important fraction of the marine carbon cycle that controls most light absorption and many photochemical and biological processes in the ocean. Despite its importance, the chemical basis for the formation of oceanic CDOM remains unclear.
Christopher L. Osburn +3 more
openaire +1 more source
Phototransformation of Lignin-related Compounds in Chromophoric Dissolved Organic Matter Solutions
Water Research, 2023Lignin is a major terrestrial source of chromophoric dissolved organic matter (CDOM), and studying the phototransformation of lignin monomers and their related compounds can enhance our understanding of CDOM intramolecular interactions. Coniferyl aldehyde (Coni) and sinapaldehyde (Sina) form ground-state complexes with CDOM, with equilibrium constants ...
Ruiya, Zhou +3 more
openaire +2 more sources
International Journal of Remote Sensing, 1999
Since CDOM can significantly influence the optical characteristics of Case II waters, we investigated potential sources of CDOM and DOC during a month-long mesocosm experiment. Nutrient additions resulted in a large phytoplankton bloom, followed by a rapid decline.
openaire +1 more source
Since CDOM can significantly influence the optical characteristics of Case II waters, we investigated potential sources of CDOM and DOC during a month-long mesocosm experiment. Nutrient additions resulted in a large phytoplankton bloom, followed by a rapid decline.
openaire +1 more source
Colored and Chromophoric Dissolved Organic Matter in Natural Waters
2012This chapter will give a general overview on the sources and nature of colored and CDOM, biogeochemical functions of CDOM, optical variables, chromophores in the CDOM, and the theory of CDOM absorbance in natural waters. Moreover, the controlling factors of CDOM that are most important in natural waters will be discussed.
Khan M. G. Mostofa +6 more
openaire +1 more source
Dark recovery of photodegraded chromophoric dissolved organic matter
Journal of Photochemistry and Photobiology A: Chemistry, 2016Abstract Aged samples of natural waters filtered with Whatman GFF filters had been irradiated with UVA radiation then stored in darkness and checked for changes in absorbance of chromophoric dissolved organic matter (CDOM). The recovery of absorbance (integrated within 250–600 nm wavelength range) of irradiated river water, lake water and seawater ...
openaire +2 more sources