Search Results - "Simmons, George M."

Changes in ice cover thickness and lake level of Lake Hoare, Antarctica: implications for local climatic change by Wharton, Jr, R A, McKay, C P, Clow, G D, Andersen, D T, Simmons, Jr, G M, Love, F G

“…We report results from 10 years of ice thickness measurements at perennially ice-covered Lake Hoare in southern Victoria Land, Antarctica. The ice cover of…”
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Climatological Observations and Predicted Sublimation Rates at Lake Hoare, Antarctica by Clow, Gary D., McKay, Christopher P., Simmons, George M., Wharton, Robert A.

“…In December 1985, an automated meteorological station was established at Lake Hoare in the dry valley region of Antarctica. Here, we report on the first…”
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Cryoconite Holes on Glaciers by Wharton, Robert A., McKay, Christopher P., Simmons, George M., Parker, Bruce C.

“…Cryoconite holes are water-filled depressions on the surface of glaciers. They contain microbial communities and may contribute to glacial wastage and…”
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Sediment Oxygen Profiles in a Super-Oxygenated Antarctic Lake by Wharton, Robert A., Meyer, Michael A., McKay, Christopher P., Mancinelli, Rocco L., Simmons, George M.

“…Perenially ice-covered lakes are found in the McMurdo Dry Valleys of southern Victoria Land, Antarctica. In contrast to temperate lakes that have diurnal…”
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Perennial N2 supersaturation in an Antarctic lake by Wharton, Robert A., Jr, Mckay, Christopher P., Mancinelli, Rocco L., Simmons, George M., Jr

“…The results of a study are reported which, for the first time, documents the supersaturation of N2 in a lake. Dissolved N2 levels of 145 percent and 163…”
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Modern Stromatolites in Antarctic Dry Valley Lakes by Parker, Bruce C., Simmons, George M., Love, F. Gordon, Wharton, Robert A., Seaburg, Kenneth G.

“…We report here the discovery of the first modern (Holocene) bluegreen algal stromatolites from Antarctica. Several types occur within these permanently…”
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Perennial N(2) Supersaturation in an Antarctic Lake by Wharton, Robert A, McKay, Christopher P, Mancinelli, Rocco L, Simmons, George M

“…One of the most unusual features of several ice-covered lakes in Antarctica is the occurrence of high oxygen concentrations in the water columns. Perennial N2…”
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Biogenic calcite structures forming in Lake Fryxell, Antarctica by Wharton, Robert A, Parker, Bruce C, Simmons, George M, Seaburg, Kenneth G, Love, F. Gordon

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Importance of submarine groundwater discharge (SGWD) and seawater cycling to material flux across sediment/water interfaces in marine environments by Simmons, George M.

“…The movement of water across sediment/water interfaces is very important to the ecology of aquatic habitats. Submarine groundwater discharge (SGWD) occurs…”
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Response of an antarctic lake heterotrophic community to high dissolved oxygen [Lake Hoare; Antarctica] by MIKELL, A. T. JR, PARKER, B. C, SIMMONS, G. M. JR

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Sensitivity of an oligotrophic lake planktonic bacterial community to oxygen stress by Mikell, A.T. Jr, Parker, B.C, Simmons, G.M. Jr

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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An ecological evaluation of heated water discharge on phytoplankton blooms in the Potomac River by Simmons, George M, Armitage, Brian J, White, John C

“…High water temperatures favour heat-tolerant algae, mainly blue-greens. In this study the upper part of the Potomac estuary was found to be eutrophic and…”
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Sediment-water column oxygen and nutrient fluxes in nearshore environments of the lower Delmarva Peninsula, USA by Reay, William G., Gallagher, Daniel L., Simmons, George M.

“…Sediment-water column exchanges of oxygen, dissolved inorganic nitrogen (DIN) and dissolved inorganic phosphorus (DIP) were measured in situ over an annual…”
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Standard Methods for the Examination of Water and Waste Water . A. E. Greenberg , L. S. Clesceri , A. D. Eaton by Simmons, George M.

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Productivity of the Ocean: Present and Past . W. H. Berger , V. S. Smeatacek , G. Wefer by Simmons, George M.

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Perennial N 2 supersaturation in an Antarctic lake by Wharton Jr, Robert A, McKay, Christopher P, Mancinelli, Rocco L, Simmons, George M

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Perennially ice-covered Lake Hoare, Antarctica: physical environment, biology and sedimentation by Wharton, R. A. Jr, Simmons, G. M. Jr, McKay, C. P., Wharton RA, J. r.

“…Lake Hoare (77 degrees 38' S, 162 degrees 53' E) is a perennially ice-covered lake at the eastern end of Taylor Valley in southern Victoria Land, Antarctica…”
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Oxygen Budget of a Perennially Ice-Covered Antarctic Lake by Wharton, Robert A., McKay, Christopher P., Simmons, George M., Parker, Bruce C.

“…A bulk O2 budget for Lake Hoare, Antarctica, is presented. Five years of seasonal data show the lake to be persistently supersaturated with O2. Oxygen is…”
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Axiorygma nethertoni, a New Genus and Species of Thalassinidean Shrimp from Florida (Decapoda: Axiidae) by Kensley, Brian, Simmons, George M.

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Successful pregnancy outcome in association with lipoatrophic diabetes mellitus by Catalano, P M, Capeless, E L, Simmons, G M, Robbins, D C, Horton, E S

“…Lipoatrophic diabetes mellitus is a rare syndrome characterized by lipoatrophy and insulin-resistant diabetes mellitus. Partial lipodystrophy without clinical…”
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