Results 131 to 140 of about 692 (179)

Greenland ice sheet runoff reduced by meltwater refreezing in bare ice. [PDF]

Nat Commun
Cooper MG, Smith LC, Rennermalm ÅK, Ryan JC, Pitcher LH, Liston GE, Miège C, Cooley SW, van As D.   +8 more
europepmc   +1 more source

Microbial communities in glacial lakes of Glacier National Park, MT, USA. [PDF]

FEMS Microbiol Ecol
Peoples LM, Giersch JJ, Tappenbeck TH, Vanderwall JW, Ranieri JM, Vick-Majors TJ, Elser JJ, Church MJ.   +7 more
europepmc   +1 more source

Influence of "cryoconcentration" on the composition of bacterial communities in semi-enclosed shallow water lakes. [PDF]

Front Microbiol
Bingxian X, Yujiao S, Wenbao L, Hengshuai G.   +3 more
europepmc   +1 more source

Effect of pH, Temperature, and Salinity Levels on Heavy Metal Fraction in Lake Sediments. [PDF]

Toxics
Zhao S, Zhao Y, Cui Z, Zhang H, Zhang J.
europepmc   +1 more source

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Rapid discharge connects Antarctic subglacial lakes

Nature, 2006
The existence of many subglacial lakes provides clear evidence for the widespread presence of water beneath the East Antarctic ice sheet, but the hydrology beneath this ice mass is poorly understood. Such knowledge is critical to understanding ice flow, basal water transfer to the ice margin, glacial landform development and subglacial lake habitats ...
Wingham, DJ, Siegert, MJ, Shepherd, A, Muir, A   +3 more
openaire   +3 more sources

Antarctic subglacial lakes

Earth-Science Reviews, 2000
Abstract Antarctic subglacial lakes were first identified by Robin et al. (1970) after airborne radio-echo sounding (RES) investigations of the ice-sheet interior. Recently, satellite altimetry was used to measure anomalous near-flat regions on the ice-sheet surface that represent a manifestation of the subglacial lake beneath.
openaire   +1 more source

Cascades of subglacial lakes in Antarctica

Doklady Earth Sciences, 2012
Progress in understanding cascades of subglacial lakes in Antarctica and in the dynamics of their surface was derived using satellite laser altimetry measurements ICESat. The morphological and dynamical signs indicate subglacial lakes and the positions of their shore lines. Oscillations of surfaces in transition zones are periodic, while the changes in
V. M. Kotlyakov, L. N. Vasiliev, A. B. Kachalin, M. Yu. Moskalevsky, A. S. Tyuflin   +4 more
openaire   +1 more source

Deep Clustering in Subglacial Reflections Reveals New Insight into Subglacial Lakes

2023
Radar images imply subglacial features, including distinct reflections from ice bottom. Different from bedrock interfaces, subglacial lakes generally display smooth and continuous highlights as a special type of ice bottom reflectors in radar images. In this study, we construct a dataset of ice bottom reflectors based on CReSIS radar sounder dataset. A
Sheng Dong, Lei Fu
openaire   +1 more source

Antarctic subglacial lake discharges

2011
Antarctic subglacial lakes were long time supposed to be relatively closed and stable environments with long residence times and slow circulations. This view has recently been challenged with evidence of active subglacial lake discharge underneath the Antarctic ice sheet.
openaire   +1 more source

Geomicrobiology of Subglacial Ice Above Lake Vostok, Antarctica

Science, 1999
Data from ice 3590 meters below Vostok Station indicate that the ice was accreted from liquid water associated with Lake Vostok. Microbes were observed at concentrations ranging from 2.8 × 10 3 to 3.6 × 10 4 cells per milliliter; no biological incorporation of selected organic substrates or ...
J C, Priscu, E E, Adams, W B, Lyons, M A, Voytek, D W, Mogk, R L, Brown, C P, McKay, C D, Takacs, K A, Welch, C F, Wolf, J D, Kirshtein, R, Avci   +11 more
openaire   +2 more sources