Results 1 to 10 of about 2,307,313 (213)

Effects of the glacial meltwater supply on carbonate chemistry in Bowdoin Fjord, Northwestern Greenland

open access: yesFrontiers in Marine Science, 2022
To understand the effects of the glacial meltwater supply on carbonate chemistry and the air–sea CO2 flux within the fjord, water samples were collected in Bowdoin Fjord in northwestern Greenland for dissolved inorganic carbon (DIC) concentration, total ...
Takahito Horikawa   +7 more
doaj   +4 more sources

Stable Bacterial Cores and Patchy Eukaryotic Communities Shape the Summer Microbiomes of Patagonian Fjord Ecosystems Across Spatial, Functional and Temporal Gradients [PDF]

open access: yesEnviron Microbiol Rep
Our study shows that microbial community diversity in Patagonian fjords varies with glacial influence and salinity, with a widespread bacterial core but a patchier eukaryotic core. Distinct co‐occurrence networks and marked short‐term community shifts occur in water‑ versus land‐terminating glacier fjords, underscoring meltwater influence in this ...
Trefault N   +5 more
europepmc   +2 more sources

Entropy and seasonal isotopic duality reveal the sustainability paradox of the upper Ganga River [PDF]

open access: yesScientific Reports
Mountain headwaters are widely regarded as pristine reference systems; however, mounting evidence reveals that even these fragile environments are no longer insulated from the pervasive influence of the Anthropocene.
Manish Kumar   +7 more
doaj   +2 more sources

Elevation shapes alpine snow algal blooms and their influence on albedo reduction. [PDF]

open access: yesNew Phytol
Graphical summary of elevational trends in Sanguina‐dominated snow algal blooms. Increasing elevation was associated with larger cells, lower Chla content per cell, higher astaxanthin ratios, lower snow water content, and reduced cell‐normalized albedo, whereas algal cell density showed no consistent elevational trend.
Almela P   +5 more
europepmc   +2 more sources

Methane emissions from subglacial meltwater of three alpine glaciers in Yukon, Canada

open access: yesArctic, Antarctic, and Alpine Research, 2023
Subglacial meltwater of land-terminating glaciers in Greenland and Iceland are sources of methane (CH4) to the atmosphere, but sparse empirical data exist about the spatial distribution of subglacial CH4 production and emission from glaciers in other ...
Sarah Elise Sapper   +4 more
doaj   +1 more source

Glacial Water: A Dynamic Microbial Medium

open access: yesMicroorganisms, 2023
Microbial communities and nutrient dynamics in glaciers and ice sheets continuously change as the hydrological conditions within and on the ice change.
Gilda Varliero   +5 more
doaj   +1 more source

Mechanism for the subglacial formation of cryogenic brines

open access: yesAnnals of Glaciology, 2022
Cryogenic brines are under-studied, despite the fact that they may contain information about past ice-sheet behavior. Cryogenic brines form through cryoconcentration of seawater, although the specific setting and mechanism of formation have been debated.
Sarah U. Neuhaus, Slawek M. Tulaczyk
doaj   +1 more source

Change at 85 degrees south: Shackleton Glacier region proglacial lakes from 1960 to 2020

open access: yesAnnals of Glaciology, 2023
Over the last two decades, anomalous warming events have been observed in coastal Antarctic regions. While these events have been documented in the Ross Sea sector, the Antarctic interior is believed to have been buffered from warming.
Melisa A. Diaz   +4 more
doaj   +1 more source

Glaciers Control the Hydrogeochemistry of Proglacial Streams During Late Summer in the Wind River Range, Wyoming, United States

open access: yesFrontiers in Earth Science, 2021
Glaciers alter the geochemistry of sensitive alpine streams by exposing freshly weathered bedrock and releasing atmospherically deposited trace metals from melting ice.
Natalie S. Barkdull   +8 more
doaj   +1 more source

Interplay of North Atlantic freshening and deep convection during the last deglaciation constrained by Iberian speleothems [PDF]

open access: yesClimate of the Past
The last deglaciation featured abrupt climate shifts driven by interactions among Earth system components, notably retreating ice sheets and meltwater input.
L. Endres   +8 more
doaj   +1 more source

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