Persistence of dissolved organic matter in lakes related to its molecular characteristics

AM Kellerman, DN Kothawala, T Dittmar… - Nature Geoscience, 2015 - nature.com
Whether intrinsic molecular properties or extrinsic factors such as environmental conditions
control the decomposition of natural organic matter across soil, marine and freshwater …

Controls of dissolved organic matter quality: Evidence from a large‐scale boreal lake survey

DN Kothawala, CA Stedmon, RA Müller… - Global change …, 2014 - Wiley Online Library
Inland waters transport large amounts of dissolved organic matter (DOM) from terrestrial
environments to the oceans, but DOM also reacts en route, with substantial water column …

Chemodiversity of dissolved organic matter in lakes driven by climate and hydrology

AM Kellerman, T Dittmar, DN Kothawala… - Nature …, 2014 - nature.com
Despite the small continental coverage of lakes, they are hotspots of carbon cycling, largely
due to the processing of terrestrially derived dissolved organic matter (DOM). As DOM is an …

Unifying concepts linking dissolved organic matter composition to persistence in aquatic ecosystems

AM Kellerman, F Guillemette… - Environmental …, 2018 - ACS Publications
The link between composition and reactivity of dissolved organic matter (DOM) is central to
understanding the role aquatic systems play in the global carbon cycle; yet, unifying …

Preferential sequestration of terrestrial organic matter in boreal lake sediments

F Guillemette, E von Wachenfeldt… - Journal of …, 2017 - Wiley Online Library
The molecular composition and origin has recently been demonstrated to play a critical role
in the persistence of organic matter in lake water, but it is unclear to what degree chemical …

Depth-dependent molecular composition and photo-reactivity of dissolved organic matter in a boreal lake under winter and summer conditions

M Gonsior, P Schmitt-Kopplin, D Bastviken - Biogeosciences, 2013 - bg.copernicus.org
Transformations of dissolved organic matter (DOM) in boreal lakes lead to large greenhouse
gas emissions as well as substantial carbon storage in sediments. Using novel molecular …

Molecular determinants of dissolved organic matter reactivity in lake water

A Mostovaya, JA Hawkes, T Dittmar… - Frontiers in Earth …, 2017 - frontiersin.org
Lakes in the boreal region have been recognized as the biogeochemical hotspots, yet many
questions regarding the regulators of organic matter processing in these systems remain …

Extreme isomeric complexity of dissolved organic matter found across aquatic environments

JA Hawkes, C Patriarca, PJR Sjöberg… - Limnology and …, 2018 - Wiley Online Library
The natural aquatic environment contains an enormous pool of dissolved reduced carbon,
present as ultra‐complex mixtures that are constituted by an unknown number of …

Universal molecular structures in natural dissolved organic matter

M Zark, T Dittmar - Nature communications, 2018 - nature.com
Natural dissolved organic matter (DOM) comprises a broad range of dissolved organic
molecules in aquatic systems and is among the most complex molecular mixtures known …

Variability in organic carbon reactivity across lake residence time and trophic gradients

CD Evans, MN Futter, F Moldan, S Valinia… - Nature …, 2017 - nature.com
The transport of dissolved organic carbon from land to ocean is a large dynamic component
of the global carbon cycle. Inland waters are hotspots for organic matter turnover, via both …