Results 31 to 40 of about 567 (174)

Chromophoric Dissolved Organic Matter as a Tracer of Fecal Contamination for Bathing Water Quality Monitoring in the Northern Tyrrhenian Sea (Latium, Italy)

Journal of Marine Science and Engineering, 2020
Dissolved organic matter present in natural aquatic environments is a heterogeneous mixture of allochthonous and autochthonous materials. In coastal areas vulnerable to sewage waste, its biologically active component, the chromophoric dissolved organic ...
Alice Madonia, Gabriella Caruso, Daniele Piazzolla, Simone Bonamano, Viviana Piermattei, Giuseppe Zappalà, Marco Marcelli   +6 more
doaj   +1 more source

Chromophoric dissolved organic matter dynamics revealed through the optimization of an optical–biogeochemical model in the northwestern Mediterranean Sea [PDF]

Biogeosciences, 2023
Chromophoric dissolved organic matter (CDOM) significantly contributes to the non-water absorption budget in the Mediterranean Sea. The absorption coefficient of CDOM, aCDOM(λ), is measurable in situ and can be retrieved remotely, although ocean-colour ...
E. Álvarez, G. Cossarini, A. Teruzzi, J. Bruggeman, J. Bruggeman, K. Bolding, K. Bolding, S. Ciavatta, V. Vellucci, V. Vellucci, F. D'Ortenzio, D. Antoine, D. Antoine, P. Lazzari   +13 more
doaj   +1 more source

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

Applied Sciences, 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 ...
Dirk Aurin, Antonio Mannino, David J. Lary   +2 more
doaj   +1 more source

Chromophoric Dissolved Organic Matter and Dissolved Organic Carbon in Lakes Across an Elevational Gradient From the Mountains to the Sea

Earth and Space Science, 2022
Dissolved organic matter (DOM) in lakes across elevation gradients is a complex function of topography, climate, vegetation coverage, land use, and lake properties. To examine sources and processing of DOM from sea level to mountain lakes (3–1,574 m), we
Kyle Juetten, Angela L. Strecker, Aaron Harrison, Zachary Landram, Warren J. DeBruyn, Catherine D. Clark   +5 more
doaj   +1 more source

Controls on dissolved organic matter (DOM) degradation in a headwater stream: the influence of photochemical and hydrological conditions in determining light-limitation or substrate-limitation of photo-degradation [PDF]

Biogeosciences, 2015
We investigated how absorption of sunlight by chromophoric dissolved organic matter (CDOM) controls the degradation and export of DOM from Imnavait Creek, a beaded stream in the Alaskan Arctic. We measured concentrations of dissolved organic carbon (DOC),
R. M. Cory, K. H. Harrold, B.T. Neilson, G. W. Kling   +3 more
doaj   +1 more source

Reactivity of chromophoric dissolved organic matter (CDOM) to sulfate radicals: Reaction kinetics and structural transformation

Water Research, 2019
Sulfate radical (SO4•-) has been extensively studied as a promising alternative in advanced oxidation processes (AOPs) for water treatment. However, little is known about its reactivity to the ubiquitous dissolved organic matter (DOM) in water bodies.
Zhang, Suona, Rougé, Valentin, Gutierrez, Leonardo, Croué, Jean-Philippe   +3 more
openaire   +4 more sources

The optics of chromophoric dissolved organic matter (CDOM) in the Greenland Sea: An algorithm for differentiation between marine and terrestrially derived organic matter [PDF]

Limnology and Oceanography, 2001
The optics of chromophoric dissolved organic matter (CDOM) in the Greenland Sea were investigated and compared to results from earlier studies in the Southeastern North Sea. Absorption at 375 nm (a375) in the Greenland Sea varied from 0.77 m−1 to the detection limit of our instrument (0.05 m−1), with the highest values found during summer. The spectral
Stedmon, Colin, Markager, S.; id_orcid 0000-0001-5427-2026   +1 more
openaire   +2 more sources

Microbial Respiration Across Subtropical Eddies: Submesoscale Variability and Biogeochemical Drivers

Journal of Geophysical Research: Oceans, Volume 131, Issue 10, October 2026.
Abstract Island‐induced eddies from the Canary Islands region propagate southwestward along the Canary Eddy Corridor, exporting biological and biogeochemical properties to the oligotrophic open ocean. However, their contribution to organic matter remineralization, and consequently to the biological carbon pump, throughout their life cycle remains ...
J. L. García, M. F. Montero, X. A. Álvarez‐Salgado, J. Arístegui   +3 more
wiley   +1 more source

Submarine mud volcanoes as a source of chromophoric dissolved organic matter to the deep waters of the Gulf of Cádiz

Scientific Reports, 2021
Seafloor structures related to the emission of different fluids, such as submarine mud volcanoes (MVs), have been recently reported to largely contribute with dissolved organic matter (DOM) into the oceans. Submarine MVs are common structures in the Gulf
Valentina Amaral, Cristina Romera-Castillo, Jesús Forja   +2 more
doaj   +1 more source

Volatile Organic Compounds in Rainwater: A New Frontier in Atmosphere–Biosphere Interactions

Journal of Geophysical Research: Biogeosciences, Volume 131, Issue 9, September 2026.
Abstract Rainwater is a key vector of atmospheric deposition, linking the atmosphere with terrestrial and aquatic ecosystems. While the inorganic chemistry of precipitation (dominated by sulfate, nitrate, ammonium, and trace metals) has been extensively studied, organic compounds in rainwater have received less attention, and Volatile Organic Compounds
Ana M. Yáñez‐Serrano, Teresa Moreno, Maria Izquierdo, Jorge Pey, Roger Seco, Andrés Alastuey, Josep Peñuelas   +6 more
wiley   +1 more source