Results 11 to 20 of about 4,986 (198)

Characterizing dissolved organic matter in Taihu Lake with PARAFAC and SOM method

open access: yesWater Science and Technology, 2022
The three-dimensional fluorescence spectrum has a significantly greater amount of information than the single-stage scanning fluorescence spectrum. At the same time, the parallel factor (PARAFAC) analysis and neural network method can help explore the ...
W. Zhang, T. Li, B. Dong
doaj   +1 more source

Characteristics of Dissolved Organic Matter and Trihalomethane Forming Potential Occurrence in Watersheds with Different Upstream Land Use

open access: yesEnvironment and Natural Resources Journal, 2023
Dissolved organic matter (DOM) is the most important natural organic matter (NOM) fraction which reacts with chlorine to form harmful trihalomethanes (THMs) in water bodies. The characteristics of DOM could be affected by land use in the catchment, hence
Mila Dirgawati, Mohamad Rangga Sururi
doaj   +1 more source

Identifying Drivers of Seasonality in Lena River Biogeochemistry and Dissolved Organic Matter Fluxes

open access: yesFrontiers in Environmental Science, 2020
Warming air temperatures, shifting hydrological regimes and accelerating permafrost thaw in the catchments of the Arctic rivers is affecting their biogeochemistry.
Bennet Juhls   +7 more
doaj   +1 more source

Interactions between particulate organic matter and dissolved organic matter in a weak dynamic bay revealed by stable isotopes and optical properties

open access: yesFrontiers in Marine Science, 2023
Few studies have incorporated the tools of stable isotopes and optical properties to study the biogeochemical process of organic matter (OM), including particulate organic matter (POM) and dissolved organic matter (DOM), which prevents our comprehension ...
Xuan Lu   +20 more
doaj   +1 more source

Biogeochemical Controls on the Release and Accumulation of Mn and As in Shallow Aquifers, West Bengal, India

open access: yesFrontiers in Environmental Science, 2017
HIGHLIGHTSManganese and arsenic concentrations are elevated in Murshidabad groundwater.Manganese release appears to be independent of dissolved organic matter quality.Mineral precipitation and dissolution reactions impact fate of manganese.Arsenic ...
Michael A. Vega   +10 more
doaj   +1 more source

Sources, spectral characteristics, and fluxes of dissolved organic matter in coastal groundwater and river water in western Guangdong, China

open access: yesFrontiers in Environmental Science, 2022
Groundwater discharge and river runoff are two important ways for allochthonous dissolved organic matter (DOM) to enter the ocean, but they vary spatially.
Chao Wang   +8 more
doaj   +1 more source

Selective Exclusion of Aromatic Organic Carbon During Lake Ice Formation

open access: yesGeophysical Research Letters, 2023
Earth's lakes at northern latitudes are mostly ice‐covered in winter. When lake water freezes, some organic matter dissolved in the water is excluded from the ice.
Yongqiang Zhou   +7 more
doaj   +1 more source

Variable C : N : P stoichiometry of dissolved organic matter cycling in the Community Earth System Model [PDF]

open access: yesBiogeosciences, 2015
Dissolved organic matter (DOM) plays an important role in the ocean's biological carbon pump by providing an advective/mixing pathway for ~ 20% of export production.
R. T. Letscher   +3 more
doaj   +1 more source

Synchronous Shifts in Nutrients and Organic Carbon Responses Over the Diatom-to-Dinoflagellate Succession

open access: yesFrontiers in Marine Science, 2022
Phytoplankton blooms, including the diatom-to-dinoflagellate succession in coastal regions, are frequently observed by researchers through incubation experiments, albeit mainly in nutrient-enrichment conditions. This study, complementary to such previous
Xiaolu Wang   +3 more
doaj   +1 more source

What can we learn from amino acids about oceanic organic matter cycling and degradation? [PDF]

open access: yesBiogeosciences, 2022
Amino acids (AAs) mainly bound in proteins are major constituents of living biomass and non-living organic material in the oceanic particulate and dissolved organic matter pool. Uptake and cycling by heterotrophic organisms lead to characteristic changes
B. Gaye   +7 more
doaj   +1 more source

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