Results 71 to 80 of about 3,954 (213)

Changes in DOM Quality Determine Prokaryotic Activities and Extracellular Release in the NW Mediterranean Sea: An Experimental Approach

Environmental Microbiology Reports, Volume 18, Issue 3, June 2026.
Changes in DOM composition influence prokaryotic species growth in the Mediterranean Sea, shaping their metabolic responses and organic matter processing. In our study, higher DOP consumption and alkaline phosphatase activity led to the accumulation of recalcitrant DOM, highlighting how microbial community shifts drive distinct pathways in carbon ...
Eva Ortega‐Retuerta, Nawal Bouchachi, Rebeca Campos, Olivier Crispi, Barbara Marie, Charles‐Hubert Paulin, Karine Escoubeyrou, Jonathan Colombet, Telesphore Sime‐Ngando, Anabel Von Jackowski   +9 more
wiley   +1 more source

Excitation-Dependent Fluorescence Quantum Yield for Freshwater Chromophoric Dissolved Organic Matter from Northern Russian Lakes

Journal of Spectroscopy, 2018
Advanced fluorescence analysis within the wide range of excitation wavelengths from 230 to 510 nm accompanied with chromatography was used to study natural chromophoric dissolved organic matter (CDOM) from three freshwater Karelian lakes.
Svetlana Patsaeva, Daria Khundzhua, Oleg A. Trubetskoj, Olga E. Trubetskaya   +3 more
doaj   +1 more source

Genomic Survey of Carbon Monoxide Dehydrogenases Reveals Their Widespread Distribution in Marine Habitats

Environmental Microbiology Reports, Volume 18, Issue 3, June 2026.
Protein sequence surveys show that nickel‐ and molybdenum/copper‐containing carbon monoxide dehydrogenases (CODHs) are widespread in the ocean. Phylogenetic and genome context analyses reveal that marine CODHs are highly diverse in both evolutionary history and functional organisation.
Nipa Chongdar, Anand Goyal, Samir R. Damare   +2 more
wiley   +1 more source

Insights on the Optical Properties of Estuarine DOM - Hydrological and Biological Influences.

PLoS ONE, 2016
Dissolved organic matter (DOM) in estuaries derives from a diverse array of both allochthonous and autochthonous sources. In the estuarine system Ria de Aveiro (Portugal), the seasonality and the sources of the fraction of DOM that absorbs light (CDOM ...
Luísa Santos, António Pinto, Olga Filipe, Ângela Cunha, Eduarda B H Santos, Adelaide Almeida   +5 more
doaj   +1 more source

Terrestrial Runoff Divides the Central Arctic Ocean and Shapes the Biologically Relevant Marine Lightscape

Geophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract The Arctic Ocean is undergoing drastic changes in its sea ice cover, but is also optically complex. Observations from summer 2022 across the western Eurasian Basin, show increased colored dissolved organic matter (CDOM) absorption from terrestrial‐derived runoff within the Transpolar Drift (TPD) in the Amundsen Basin, extending down to a depth
Håkon Sandven, David McKee, Rafael Gonçalves‐Araujo, Rüdiger Röttgers, Anders F. Opdal, Philipp Assmy, Mats A. Granskog   +6 more
wiley   +1 more source

DOC and CDOM in roller bottle ambient water.

, 2012
Dissolved organic carbon (DOC) concentration (A and B; n = 6 ± standard deviation) and colored dissolved organic matter (CDOM) fluorescence (maximum fluorescence peak; C, D) during the 21-day roller table incubation.
Jennifer Dickson-Brown (173559), Carol Arnosti (169950), Kai Ziervogel (169988), Christopher L. Osburn (173552), Luke McKay (173539), Andreas Teske (173567), Benjamin Rhodes (173544)   +6 more
core   +1 more source

“Dynamics of chromophoric dissolved organic matter in the Atlantic Ocean: unravelling province-dependent relationships, optical complexity, and environmental influences”

Frontiers in Marine Science
We report on the spatial distributions and optical characteristics of chromophoric dissolved organic matter (CDOM) in the sea surface microlayer (SML), subsurface seawater (SSW), and water column profiles down to 500 m across a range of Atlantic Ocean ...
Bita Sabbaghzadeh, Bita Sabbaghzadeh, Guenther Uher, Robert Upstill-Goddard   +3 more
doaj   +1 more source

Distribution and source‐sink dynamics of H2 in the Western Tropical Pacific and their response to La Niña–induced upwelling

Limnology and Oceanography Letters, Volume 11, Issue 3, May 2026.
Abstract Hydrogen (H2) influences the climate by prolonging the lifetime of greenhouse gases via consuming hydroxyl radicals. Despite the ocean's crucial role in regulating atmospheric H2, its marine biogeochemical cycle is poorly constrained. To bridge this gap, our research in the Western Tropical Pacific Ocean (WTPO) revealed a north–south ...
Yu‐Cheng Jiang, Gao‐Bin Xu, Heng‐Qi Liu, Jian Wang, Feng Xu, Shi‐Bo Yan, Xuan Zhang, Hong‐Hai Zhang   +7 more
wiley   +1 more source

CDOM absorption properties of natural water bodies along extreme environmental gradients [PDF]

, 2019
We present absorption properties of colored dissolved organic matter (CDOM) sampled in six different water bodies along extreme altitudinal, latitudinal, and trophic state gradients.
Chen, Yi-Chun, Dennis Muyimbwa, Hamre, B, Nima, Ciren, Kai Sørensen, Qianguo Xing, Erga, Svein Rune, Stamnes, KH, Xing, Qianguo, Stamnes, Knut H., Ssenyonga, T, Frette, Oyvind, Knut H. Stamnes, Norli, Marit, Ssenyonga, Taddeo, Ciren Nima, Frette, O, Erga, SR, Stamnes, Jakob J., Chen, YC, Lu, DR, Xing, QG, Sørensen, Kai, Sorensen, K, Børge Hamre, Frette, Øyvind, Stamnes, Knut, Stamnes, JJ, Marit Norli, Hamre, Børge, Sorensen, Kai, Svein Rune Erga, Norli, M, Lu, Daren, Muyimbwa, D, Muyimbwa, Dennis, Jakob J. Stamnes, Daren Lu, Øyvind Frette, Yi-Chun Chen, Taddeo Ssenyonga, Nima, C, Hamre, Borge   +42 more
core   +1 more source

UV/PAR radiation and DOM properties in surface coastal waters of the Canadian shelf of the Beaufort Sea during summer 2009 [PDF]

Biogeosciences, 2013
Surface waters from the Beaufort Sea in the Arctic Ocean were evaluated for dissolved organic carbon (DOC), and optical characteristics including UV (ultraviolet) radiation and PAR (photosynthetically active radiation) diffuse attenuation (Kd), and ...
J. Para, B. Charrière, A. Matsuoka, W. L. Miller, J. F. Rontani, R. Sempéré   +5 more
doaj   +1 more source