Results 241 to 250 of about 3,905,660 (276)

Estimation of Colored Dissolved Organic Matter from Satellite Data

IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020
In this paper, we evaluate the performance of the power law model and the exponential model for retrieving CDOM absorption coefficient at 440 nm from 5 reflectance band ratios. Simulated water reflectance for the Sentinel-2 MSI sensor were computed using a semi-empirical water reflectance model. The models are evaluated in Four water types with various
Soo Chin Liew, Joel Wong, Elizabeth Wing-See Wong   +2 more
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Microfluidic approach for controlled ultraviolet treatment of colored and fluorescent dissolved organic matter

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2020
Using microfluidic systems to address the optical properties of Colored and Fluorescent Dissolved Organic Matter (CDOM/FDOM) offers new ways for researching its interactions with the environment, and its response to rapid, as well as extreme, changes of abiotic conditions. Here we present a microfluidic device with an Ultraviolet (UV) component.
R, Lopes, M L, Miranda, H, Schütte, S, Gassmann, O, Zielinski   +4 more
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Distributions of colored dissolved organic matter and dissolved organic carbon in the Pearl River Estuary, China

Continental Shelf Research, 2004
The distributions of colored dissolved organic matter (CDOM) and of dissolved organic carbon (DOC) were studied in the Pearl River Estuary from 18 to 26 July 1999 (during the wet season). The highest level of CDOM was found in the fresh water, and lowest in the sea water, indicating the river water is a main source of CDOM in this estuary and may has ...
Chen, ZQ, Li, Y., Pan, JM
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Colored Dissolved Organic Matter in Frontal Zones

2013
Dissolved organic matter (DOM) includes a broad range of organic molecules of various sizes and composition that are released by all living and dead plants and animals. Measuring the fraction of DOM that absorbs light (colored or chromophoric DOM; CDOM) and fluoresces (referred to as CDOM fluorescence or FDOM) at specific wavelengths is diagnostic of ...
Céline Guéguen, Piotr Kowalczuk
openaire   +1 more source

Optical properties of colored dissolved organic matter in the Northern Gulf of Mexico

Marine Chemistry, 2004
Variations in the concentration and inherent optical properties of colored dissolved organic matter (CDOM) in river-dominated margins provide information on the cycling of carbon and its chemical composition. Large-scale temporal and spatial variability in CDOM concentration and optical properties were observed in the Northern Gulf of Mexico in June of
Robyn N Conmy, Paula G Coble, Robert F Chen, G.Bernard Gardner   +3 more
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Colored and Chromophoric Dissolved Organic Matter in Natural Waters

2012
This 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, Cong-qiang Liu, Davide Vione, M. Abdul Mottaleb, Hiroshi Ogawa, Shafi M. Tareq, Takahito Yoshioka   +6 more
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Variability in the optical properties of colored dissolved organic matter in Missouri reservoirs

SIL Proceedings, 1922-2010, 2009
(2009). Variability in the optical properties of colored dissolved organic matter in Missouri reservoirs. SIL Proceedings, 1922-2010: Vol. 30, No. 7, pp. 1117-1120.
Shohei Watanabe, Matthew F. Knowlton, Warwick F. Vincent, John R. Jones   +3 more
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Optical characteristics of the colored dissolved organic matter on the East Siberian shelf

Doklady Earth Sciences, 2015
This work is based on the results of a cruise of the R/V Akademik Lavrent’ev in September 2011 in the Laptev and East Siberian seas. The optical characteristics of one of the most characteristic components of the river runoff colored dissolved organic matter (CDOM), which intensely absorbs solar radiation in the short-wave spectrum range are analyzed ...
S. P. Pugach, I. I. Pipko, I. P. Semiletov, V. I. Sergienko   +3 more
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The Ecological Cycling of Colored Dissolved Organic Matter

2001
Abstract : The prediction of water-leaving radiance in coastal waters is strongly dependent on a quantitative prediction of the depth-dependent distribution of Colored Dissolved Organic Matter [CDOM] in the water column. The goal of this project is to support and synthesize laboratory and field experiments conducted by the ONR Environmental Optics ...
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Distributions and characteristics of colored dissolved organic matter in the Western Arctic Ocean

Continental Shelf Research, 2005
Terrigenous dissolved organic matter (DOM) is continuously discharged by rivers into the ocean, yet its distribution and reactivity within ocean basins remain poorly defined. With high concentrations of terrestrial DOM in arctic rivers and a disproportionate share of global riverine discharge on a volume basis to the Arctic Ocean, the influence of ...
Céline Guéguen, Laodong Guo, Noriyuki Tanaka   +2 more
openaire   +1 more source