Results 171 to 180 of about 4,759 (213)

Evaluation of real-time fluorescence sensors and benchtop fluorescence for tracking and predicting sewage contamination in the Tijuana River Estuary at the US-Mexico border. [PDF]

Sci Total Environ
Mladenov N, Biggs T, Ford K, Garcia S, Yuan Y, Grant A, Piazza E, Rivera E, Pinongcos F, Keely SP, Summerlin C, Crooks JA, Liden D.   +12 more
europepmc   +1 more source

Remote Sensing of CDOM, CDOM Spectral Slope, and Dissolved Organic Carbon in the Global Ocean [PDF]

Applied Sciences (Switzerland), 2018
A Global Ocean Carbon Algorithm Database (GOCAD) has been developed from over 500 oceanographic field campaigns conducted worldwide over the past 30 years including in situ reflectances and coincident satellite imagery, multi- and hyperspectral Chromophoric Dissolved Organic Matter (CDOM) absorption coefficients from 245–715 nm, CDOM spectral slopes in
Dirk Aurin, David Lary
exaly   +6 more sources

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Mapping lake CDOM by satellite remote sensing

Remote Sensing of Environment, 2005
Abstract Given the importance of coloured dissolved organic matter (CDOM) for the structure and function of lake ecosystems, a method to estimate the amount of CDOM in lake waters over large geographic areas would be highly desirable. Advanced Land Imager (ALI) images were acquired in southern Finland (in 2002) and southern Sweden (in 2003) together ...
Tiit Kutser, Sebastian Sobek, Anu Reinart   +2 more
exaly   +2 more sources

A highly sensitive in-situ CDOM sensor

2013 IEEE International Conference on Information and Automation (ICIA), 2013
In-situ colored dissolved organic matter (CDOM) detection has great significance for marine scientific research. In this work, we have developed and tested a highly sensitive in-situ CDOM sensor. With the detecting principle and in-situ survey requirement, we have designed the conjugate focus light path, watertight mechanical structure and high ...
Yi Hu, Lei Sun, Shuming Ye, Hang Chen, Jianming Pan, Xiaohui Gao   +5 more
openaire   +1 more source

Chromophoric dissolved organic matter (CDOM) in the Equatorial Atlantic Ocean: Optical properties and their relation to CDOM structure and source

Marine Chemistry, 2013
Abstract Extensive data exist on the optical properties of CDOM from terrestrial and coastal environments, yet the open oceans have been historically under-sampled. Consequently, the source and structural basis of marine CDOM optical properties are still debated.
Rossana Del Vecchio, Neil V Blough, Ajit Subramaniam   +2 more
exaly   +2 more sources

CDOM transport from the Bahamas Banks

Coral Reefs, 2004
The transport of colored dissolved organic matter (CDOM) between shallow banks and deep basins in the Bahamas was the focus of this study. Hydrographic and CDOM absorption measurements made on the Bahamas Banks and in Exuma Sound during the spring of 1999 and 2000 showed that values of salinity and CDOM absorption at 440 nm were higher on the banks (37.
Daniel B. Otis, Kendall L. Carder, David C. English, James E. Ivey   +3 more
openaire   +1 more source

The characteristics of CDOM structural composition and the effect on indirect photodegradation of sulfamerazine

Science of The Total Environment, 2023
Sulfamerazine (SM) is a commonly used antibiotic and have been widely used to control various bacterial infectious diseases. The structural composition of colored dissolved organic matter (CDOM) is known to be a major factor that influences the indirect photodegradation of SM, yet the influence mechanism remains unknown.
Ying, Bai, Zhengguo, Cui, Dongsheng, Ding, Chenfei, Hong, Hongwu, Cui, Qingjing, Hu, Mingying, Zhou, Keming, Qu   +7 more
openaire   +2 more sources

The bio-optical properties of CDOM as descriptor of lake stratification

Journal of Photochemistry and Photobiology B: Biology, 2006
Multivariate statistical techniques are used to demonstrate the fundamental role of CDOM optical properties in the description of water masses during the summer stratification of a deep lake. PC1 was linked with dissolved species and PC2 with suspended particles.
Bracchini, L., Rossi, Claudio, Hull, V., Loiselle, S. A., Martini, S., Rossi, C., Santinelli, C., Seritti, A.   +7 more
openaire   +4 more sources

Absorptivity Inversely Proportional to Spectral Slope in CDOM

Environmental Science & Technology
The application of the Bouguer-Lambert-Beer (BLB) Law is limited to dissolved organic matter (DOM) in the environment due to the wide distribution of overlapping chromophores with different molar absorptivities (ε). Here, we report our findings demonstrating the existence of an inverse relationship between ε and the spectral slope (S) in the absorption
Mingquan Yan, Shansheng Mo, Zhongli Liu, Gregory Korshin   +3 more
openaire   +2 more sources

Absorption coefficient of CDOM in Zhejiang coastal waters

SPIE Proceedings, 2013
Chromophoric dissolved organic matter (CDOM) exists in all natural waters. Researches on optical properties of CDOM play an important role in ocean color remote sensing retrieval. The optical properties of CDOM in Zhejiang coastal waters were investigated from August 18, 2009 to June 9, 2011 covering four seasons.
Guannan Fan, Zhihua Mao, Peng Chen, Haiqing Huang   +3 more
openaire   +1 more source