Journal ArticleDOI
Seasonal cryogenic processes control supra-permafrost pore water chemistry in two contrasting Cryosols
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TLDR
In this paper, the chemistry of soil capillary and gravitational pore waters, rainfall and stream waters daily during the growing season in two experimental sites under tussock tundra vegetation in the low-Arctic region, in Salluit (Nunavik, Canada).About:
This article is published in Geoderma.The article was published on 2021-11-01. It has received 5 citations till now. The article focuses on the topics: Permafrost & Tundra.read more
Citations
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Future increases in Arctic precipitation linked to local evaporation and sea ice retreat
Richard Bintanja,Frank Selten +1 more
TL;DR: It is shown that the enhanced surface evaporation results mainly from retreating winter sea ice, signalling an amplified Arctic hydrological cycle, and demonstrates that increases in Arctic precipitation are firmly linked to Arctic warming and sea-ice decline.
Journal ArticleDOI
Organic carbon, and major and trace elements reside in labile low-molecular form in the ground ice of permafrost peatlands: a case study of colloids in peat ice of Western Siberia.
A. G. Lim,Sergey V. Loiko,Daria M. Kuzmina,Ivan Krickov,Liudmila S. Shirokova,S.P. Kulizhsky,Oleg S. Pokrovsky +6 more
TL;DR: In this paper , the authors used a size fractionation procedure (centrifugal ultrafiltration) to quantify the proportion of colloidal (3 kDa to 0.45 μm) and conventionally dissolved low molecular weight (LMW < 3 kDa) fractions of DOC, and major and trace elements in the porewater and ice of 5 peat cores sampled along a 400 km permafrost and climate gradient in the largest peatland in the world, the Western Siberian Lowland.
Decreasing DOC trends in soil solution along the hillslopes at two IM sites in southern Sweden
TL;DR: In this article, the Stockholm Humic Model was used to investigate whether the observed DOC solubility is related to the humic charge and to examine how pH and ionic strength influence it.
Journal ArticleDOI
Trends in total nitrogen concentrations in the Three Rivers Headwater Region.
Ying Li,Baolin Li,Ye Yuan,Qiuliang Lei,Yuhao Jiang,Yan Liu,Rui-Juan Li,Wei Liu,Dechao Zhai,Jie Xu +9 more
TL;DR: Wang et al. as mentioned in this paper reported the findings from their analysis of total nitrogen (TN) concentration data from 39 river monitoring stations for the period from 2012 to 2018, and evaluated the water quality status by comparing the concentrations with the national standards and calculating exceedance ratios for surface water. But because of a lack of long-term studies that span wide geographical areas, it is difficult to understand how the water resource in the Three Rivers Headwater Region (TRHR) should be protected.
Journal ArticleDOI
Diel variations in chemical and isotopic compositions of a stream on King George Island, Antarctica: Implications for hydrologic pathways of meltwater.
TL;DR: In this article , the authors investigated the hydrological process associated with a stream in a snow-dominated headwater catchment on King George Island, maritime Antarctica, during austral summer using the chemical and isotopic compositions.
References
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Journal ArticleDOI
Linking permafrost thaw to shifting biogeochemistry and food web resources in an arctic river.
Michael R. Kendrick,Alexander D. Huryn,William B. Bowden,Linda A. Deegan,Robert H. Findlay,Anne E. Hershey,Bruce J. Peterson,Joshua P. Beneš,Elissa B. Schuett +8 more
TL;DR: Evaluated decadal-scale patterns in surface water chemistry and potential implications of changing water chemistry to benthic organic matter and aquatic food webs demonstrate that physical, geochemical, and biological changes associated with warming permafrost are fundamentally altering linkages between upland and aquatic ecosystems in rapidly changing arctic environments.
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Climatic factors influencing fluxes of dissolved organic carbon from the forest floor in a continuous-permafrost Siberian watershed
Anatoly S. Prokushkin,Takuya Kajimoto,S. G. Prokushkin,William H. McDowell,Anatoly P. Abaimov,Yojiro Matsuura +5 more
TL;DR: The results suggest that global warming will result in increased DOC production in forest floors of permafrost regions, and that precipitation patterns will play an important role in determining the magnitude of these changes in DOC flux as well as its interannual variability.
Journal ArticleDOI
Mineral Weathering and the Permafrost Carbon‐Climate Feedback
Journal ArticleDOI
Extensive loss of past permafrost carbon but a net accumulation into present-day soils.
TL;DR: An empirically derived estimate of the carbon stored in permafrost during the Last Glacial Maximum is presented by reconstructing the extent and carbon content of LGM biomes, peatland regions and deep sedimentary deposits, finding that the total estimated soil carbon stock for the LGM northernpermafrost region is smaller than the estimated present-day storage.
Journal ArticleDOI
Chemical composition of rainwater at a coastal town on the southwest of Europe: what changes in 20 years?
TL;DR: A clear decrease of non sea salt sulphate (NSS-SO₄²⁻) was observed in 2008-2009 relatively to 1986-1989, not only in samples with origin in central and northern Europe, but also in samples from Atlantic Ocean and Mediterranean.
Related Papers (5)
Assessing the Potential for Mobilization of Old Soil Carbon After Permafrost Thaw: A Synthesis of 14 C Measurements From the Northern Permafrost Region
Cristian Estop-Aragonés,Cristian Estop-Aragonés,David Olefeldt,Benjamin W. Abbott,Jeffrey P. Chanton,Claudia I. Czimczik,Joshua F. Dean,Jocelyn Egan,Laure Gandois,Mark H. Garnett,Iain P. Hartley,Alison M. Hoyt,Massimo Lupascu,Susan M. Natali,Jonathan A. O'Donnell,Peter A. Raymond,Andrew J. Tanentzap,Suzanne E. Tank,Edward A. G. Schuur,Merritt R. Turetsky,Katey M. Walter Anthony +20 more