Articles | Volume 13, issue 6
https://doi.org/10.5194/bg-13-1723-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-13-1723-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
21 Mar 2016
Research article |
| 21 Mar 2016
Stream biogeochemical and suspended sediment responses to permafrost degradation in stream banks in Taylor Valley, Antarctica
Michael N. Gooseff
CORRESPONDING AUTHOR
Institute of Arctic and Alpine Research, University of
Colorado, Boulder, Colorado, USA
David Van Horn
Department of Biology, University of New Mexico, Albuquerque, New Mexico,
USA
Zachary Sudman
Department of Civil & Environmental Engineering, Colorado State University, Fort Collins, CO, USA
Diane M. McKnight
Institute of Arctic and Alpine Research, University of
Colorado, Boulder, Colorado, USA
Kathleene A. Welch
School of Earth Sciences, The Ohio State University, Columbus, Ohio,
USA
William B. Lyons
School of Earth Sciences, The Ohio State University, Columbus, Ohio,
USA
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Cited
14 citations as recorded by crossref.
- Patterns of bacterial biodiversity in the glacial meltwater streams of the McMurdo Dry Valleys, Antarctica D. Van Horn et al. 10.1093/femsec/fiw148
- Water tracks intensify surface energy and mass exchange in the Antarctic McMurdo Dry Valleys T. Linhardt et al. 10.5194/tc-13-2203-2019
- High-resolution elevation mapping of the McMurdo Dry Valleys, Antarctica, and surrounding regions A. Fountain et al. 10.5194/essd-9-435-2017
- Decadal topographic change in the McMurdo Dry Valleys of Antarctica: Thermokarst subsidence, glacier thinning, and transfer of water storage from the cryosphere to the hydrosphere J. Levy et al. 10.1016/j.geomorph.2018.09.012
- Influence of permafrost, rock and ice glaciers on chemistry of high-elevation ponds (NW Italian Alps) N. Colombo et al. 10.1016/j.scitotenv.2019.06.233
- Silicon Isotopic Composition of Dry and Wet-Based Glaciers in Antarctica J. Hatton et al. 10.3389/feart.2020.00286
- Isotopic signature of massive, buried ice in eastern Taylor Valley, Antarctica: Implications for its origin C. Gardner et al. 10.1080/15230430.2022.2102510
- Silicon Isotopes Reveal a Non-glacial Source of Silicon to Crescent Stream, McMurdo Dry Valleys, Antarctica C. Hirst et al. 10.3389/feart.2020.00229
- Hydropower Flushing Events Cause Severe Loss of Macrozoobenthos in Alpine Streams C. Gabbud et al. 10.1029/2019WR024758
- Watershed Reactive Transport L. Li 10.2138/rmg.2018.85.13
- An analysis of McMurdo Dry Valleys’ lotic habitats within Antarctica’s protected area network and addressing gaps in biodiversity protection A. Wright et al. 10.1080/15230430.2024.2375176
- Review: Impacts of permafrost degradation on inorganic chemistry of surface fresh water N. Colombo et al. 10.1016/j.gloplacha.2017.11.017
- Impacts of permafrost degradation on a stream in Taylor Valley, Antarctica Z. Sudman et al. 10.1016/j.geomorph.2017.02.009
- Nutrient treatments alter microbial mat colonization in two glacial meltwater streams from the McMurdo Dry Valleys, Antarctica T. Kohler et al. 10.1093/femsec/fiw049
13 citations as recorded by crossref.
- Patterns of bacterial biodiversity in the glacial meltwater streams of the McMurdo Dry Valleys, Antarctica D. Van Horn et al. 10.1093/femsec/fiw148
- Water tracks intensify surface energy and mass exchange in the Antarctic McMurdo Dry Valleys T. Linhardt et al. 10.5194/tc-13-2203-2019
- High-resolution elevation mapping of the McMurdo Dry Valleys, Antarctica, and surrounding regions A. Fountain et al. 10.5194/essd-9-435-2017
- Decadal topographic change in the McMurdo Dry Valleys of Antarctica: Thermokarst subsidence, glacier thinning, and transfer of water storage from the cryosphere to the hydrosphere J. Levy et al. 10.1016/j.geomorph.2018.09.012
- Influence of permafrost, rock and ice glaciers on chemistry of high-elevation ponds (NW Italian Alps) N. Colombo et al. 10.1016/j.scitotenv.2019.06.233
- Silicon Isotopic Composition of Dry and Wet-Based Glaciers in Antarctica J. Hatton et al. 10.3389/feart.2020.00286
- Isotopic signature of massive, buried ice in eastern Taylor Valley, Antarctica: Implications for its origin C. Gardner et al. 10.1080/15230430.2022.2102510
- Silicon Isotopes Reveal a Non-glacial Source of Silicon to Crescent Stream, McMurdo Dry Valleys, Antarctica C. Hirst et al. 10.3389/feart.2020.00229
- Hydropower Flushing Events Cause Severe Loss of Macrozoobenthos in Alpine Streams C. Gabbud et al. 10.1029/2019WR024758
- Watershed Reactive Transport L. Li 10.2138/rmg.2018.85.13
- An analysis of McMurdo Dry Valleys’ lotic habitats within Antarctica’s protected area network and addressing gaps in biodiversity protection A. Wright et al. 10.1080/15230430.2024.2375176
- Review: Impacts of permafrost degradation on inorganic chemistry of surface fresh water N. Colombo et al. 10.1016/j.gloplacha.2017.11.017
- Impacts of permafrost degradation on a stream in Taylor Valley, Antarctica Z. Sudman et al. 10.1016/j.geomorph.2017.02.009
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Latest update: 21 Nov 2024
Short summary
The landscape of the McMurdo Dry Valleys, Antarctica has been considered quite stable. In 2012, we discovered extensive permafrost degradation along several km of Crescent Stream. Here we document the responses to water quality, specifically changes to dissolved major ion and suspended sediment characteristics. Stream nitrate concentrations were greater than observed in the stream over the previous ~ 20 years, suggesting potentially significant impacts for stream and downstream lake ecosystems.
The landscape of the McMurdo Dry Valleys, Antarctica has been considered quite stable. In 2012,...
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