Results 91 to 100 of about 5,249 (199)

Vertical convergence of soil dissolved organic matter composition across Central European landscapes

Geoderma
Soil dissolved organic matter (DOM) plays a critical role in terrestrial carbon cycling and its transfer to aquatic systems, yet its vertical dynamics, particularly in deeper soil layers, remain poorly understood.
Christina Fasching, Mansour Ahmadi Foroushani, Kyle Sampson Boodoo, Annika Feld-Golisnki, Nikolai Späth, Christian Reinhardt-Imjela, Peter Chifflard   +6 more
doaj   +1 more source

Organic Matter Dynamics and Biogeochemical Signatures in Lakes From the Prairies to Tundra in Western Canada

Journal of Geophysical Research: Biogeosciences, Volume 131, Issue 10, October 2026.
Abstract Climate‐driven poleward shifts of terrestrial ecosystems are expected to alter organic matter inputs and biogeochemical processes in northern lakes. In regions lacking long‐term observations, latitudinal gradients provide valuable space‐for‐time substitutions for predicting these changes.
Vilmantas Prėskienis, E. Henriikka Kivilä, Matthew J. Bogard, Dënë Cheecham‐Uhrich, Jules M. Blais, Milla Rautio   +5 more
wiley   +1 more source

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

The Influence of Green Manure Planting on the Spectroscopic Characteristics of Dissolved Organic Matter in Freshwater-Leached Saline–Alkali Soil at Different Depths

Agronomy
This study investigated the influence of green manure planting on the spectroscopic properties of dissolved organic matter (DOM) in saline–alkali soil under freshwater leaching conditions at different soil depths.
Yuhao Wang, Chengjie Yin, Jingkuan Wang, Xiaohui Ji, Xinwei Liu   +4 more
doaj   +1 more source

Evolutions of Non‐oxygenated Compounds in Sunlit Subarctic Thermokarst Pond Surface Waters

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 18, 28 September 2026.
Abstract With global climate change, ground subsidence caused by permafrost thawing leads to the formation of thermokarst ponds, where organics from eroding permafrost accumulate in part as dissolved organic matter (DOM). Surface waters were collected from two subarctic thermokarst ponds with distinct characteristics: one palsa‐affected pond, which is ...
Tao Wang, Runbo Wang, Jianmin Chen, Florent Domine, Liwu Zhang, Christian George   +5 more
wiley   +1 more source

Bonded Water Is an Integral Component of Dissolved Organic Matter in the Ocean

Geophysical Research Letters, Volume 53, Issue 17, 16 September 2026.
Abstract Dissolved organic matter (DOM) in the ocean, as one of the largest pools of reduced carbon on Earth, plays an important role in the global carbon cycle, yet its chemical structure remains largely unknown. Here we show that high molecular weight DOM (HMW‐DOM) contains approximately 10% bonded water (H2O) by weight.
Kaijun Lu, Xiao You, Laodong Guo, Carlos Baiz, Zhanfei Liu   +4 more
wiley   +1 more source

Polystyrene microplastics facilitate formation of refractory dissolved organic matter and reduce CO2 emissions

Environment International
Microplastics, as a type of anthropogenic pollution in aquatic ecosystems, affect the carbon cycle of organic matter. Although some studies have investigated the effects of microplastics on dissolved organic matter (DOM), the impact of alterations in the
Shuting Wang, Ruihong Feng, Kai Hu, Xiangang Hu, Qian Qu, Li Mu, Jingyu Wen, Chao Ma   +7 more
doaj   +1 more source

Study of the dissolved organic matter (DOM) of the Auzon cut-off meander (Allier River, France) by spectral and photoreactivity approaches. [PDF]

Environ Sci Pollut Res Int, 2020
Palma D, Sleiman M, Voldoire O, Beauger A, Parlanti E, Richard C.   +5 more
europepmc   +1 more source

Drivers of dissolved organic matter processing in subterranean estuaries

Limnology and Oceanography Letters
Subterranean estuaries (i.e., seawater‐fresh groundwater mixing zones at coastal aquifers) are highly reactive boundaries between continental groundwater and coastal surface seawater.
Elisa Calvo‐Martin, Xosé Antón Álvarez‐Salgado, María José Pazó Fernández, Vanesa Vieitez Dos Santos, J. Severino P. Ibánhez   +4 more
doaj   +1 more source

Treeline displacement may affect lake dissolved organic matter processing at high latitudes and altitudes

Nature Communications
Climate change induced shifts in treeline position, both towards higher altitudes and latitudes induce changes in soil organic matter. Eventually, soil organic matter is transported to alpine and subarctic lakes with yet unknown consequences for ...
Núria Catalán, Carina Rofner, Charles Verpoorter, María Teresa Pérez, Thorsten Dittmar, Lars Tranvik, Ruben Sommaruga, Hannes Peter   +7 more
doaj   +1 more source