How humans alter dissolved organic matter composition in freshwater: relevance for the Earth's biogeochemistry

MA Xenopoulos, RT Barnes, KS Boodoo, D Butman… - Biogeochemistry, 2021 - Springer
Dissolved organic matter (DOM) is recognized for its importance in freshwater ecosystems,
but historical reliance on DOM quantity rather than indicators of DOM composition has led to …

Properties and metal binding behaviors of sediment dissolved organic matter (SDOM) in lakes with different trophic states along the Yangtze River Basin: A …

T Fan, X Yao, Z Sun, D Sang, L Liu, H Deng, Y Zhang - Water Research, 2023 - Elsevier
The nature of sediment dissolved organic matter (SDOM) can reflect the environmental
background, nutritional status and human activities and is an important part of lakes. The …

Increasing autochthonous production in inland waters as a contributor to the missing carbon sink

Z Liu, H Yan, S Zeng - Frontiers in Earth Science, 2021 - frontiersin.org
Accounting for the residual land sink (or missing carbon sink) has become a major budget
focus for global carbon cycle modelers. If we are not able to account for the past and current …

Influence of dissolved organic matter (DOM) characteristics on dissolved mercury (Hg) species composition in sediment porewater of lakes from southwest China

T Jiang, AG Bravo, U Skyllberg, E Björn, D Wang… - Water Research, 2018 - Elsevier
The origin and composition of dissolved organic matter (DOM) in porewater of lake
sediments is intricate and decisive for fate of pollutants including mercury (Hg). While there …

High stability of autochthonous dissolved organic matter in karst aquatic ecosystems: Evidence from fluorescence

F Xia, Z Liu, M Zhao, Q Li, D Li, W Cao, C Zeng, Y Hu… - Water Research, 2022 - Elsevier
Biological carbon pump (BCP) in karst areas has received intensive attention for years due
to their significant contribution to the global missing carbon sink. The stability of …

Aquatic biomass is a major source to particulate organic matter export in large Arctic rivers

MI Behnke, SE Tank, JW McClelland… - Proceedings of the …, 2023 - National Acad Sciences
Arctic rivers provide an integrated signature of the changing landscape and transmit signals
of change to the ocean. Here, we use a decade of particulate organic matter (POM) …

Spatial variability of sediment methane production and methanogen communities within a eutrophic reservoir: Importance of organic matter source and quantity

ME Berberich, JJ Beaulieu, TL Hamilton… - Limnology and …, 2020 - Wiley Online Library
Freshwater reservoirs are an important source of the greenhouse gas methane (CH4) to the
atmosphere, but global emission estimates are poorly constrained (13.3–52.5 Tg C yr− 1) …

Molecular differences between water column and sediment pore water SPE-DOM in ten Swedish boreal lakes

J Valle, M Harir, M Gonsior, A Enrich-Prast… - Water research, 2020 - Elsevier
Boreal lakes are considered hot spots of dissolved organic matter (DOM) processing within
the global carbon cycle. This study has used FT-ICR mass spectrometry and comprehensive …

[HTML][HTML] The role of humic substances in sediment phosphorus release in northern lakes

O Tammeorg, GK Nürnberg, P Nõges… - Science of The Total …, 2022 - Elsevier
In northern lakes, which are often stained and productive, the impacts of dissolved organic
carbon (DOC) on sediment phosphorus (P) release are largely unexplored. Here we …

Instability in a carbon pool driven by multiple dissolved organic matter sources in a eutrophic lake basin: Potential factors for increased greenhouse gas emissions

J Ma, M Zhou, Y Peng, Y Tuo, C Zhou, K Liu… - Journal of …, 2024 - Elsevier
Lakes serve as vital reservoirs of dissolved organic matter (DOM) and play pivotal roles in
biogeochemical carbon cycles. However, the sources and compositions of DOM in …