Search Results - "Schaefer, J.M."

Plio-Pleistocene history of Ferrar Glacier, Antarctica: Implications for climate and ice sheet stability by Staiger, J.W., Marchant, D.R., Schaefer, J.M., Oberholzer, P., Johnson, J.V., Lewis, A.R., Swanger, K.M.

“…The areal distribution and elevation of glacial drifts in Vernier Valley, southern Victoria Land, are used to reconstruct the Plio-Pleistocene history of upper…”
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In situ cosmogenic 10Be production-rate calibration from the Southern Alps, New Zealand by Putnam, A.E., Schaefer, J.M., Barrell, D.J.A., Vandergoes, M., Denton, G.H., Kaplan, M.R., Finkel, R.C., Schwartz, R., Goehring, B.M., Kelley, S.E.

“…We present a 10Be production-rate calibration derived from an early Holocene debris-flow deposit at about 1000 m above sea level in the central Southern Alps,…”
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Holocene glacier behavior around the northern Antarctic Peninsula and possible causes by Kaplan, M.R., Strelin, J.A., Schaefer, J.M., Peltier, C., Martini, M.A., Flores, E., Winckler, G., Schwartz, R.

“…•New 10Be ages document former cryospheric activity around the northern Antarctic Peninsula.•From >11 to ∼8 ka, recession of glacier systems occurred around…”
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Paleoglaciology of the central East Antarctic Ice Sheet as revealed by blue-ice sediment by Kaplan, M.R., Licht, K.J., Lamp, J.L., Winckler, G., Schaefer, J.M., Graly, J.A., Kassab, C.M., Schwartz, R.

“…We present ∼100 cosmogenic surface exposure ages, including 75 new analyses, for a blue-ice moraine complex at Mt. Achernar, head of Law Glacier, in the…”
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Patagonian and southern South Atlantic view of Holocene climate by Kaplan, M.R., Schaefer, J.M., Strelin, J.A., Denton, G.H., Anderson, R.F., Vandergoes, M.J., Finkel, R.C., Schwartz, R., Travis, S.G., Garcia, J.L., Martini, M.A., Nielsen, S.H.H.

“…We present a comprehensive 10Be chronology for Holocene moraines in the Lago Argentino basin, on the east side of the South Patagonian Icefield. We focus on…”
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Mean annual temperature in New Zealand during the last glacial maximum derived from dissolved noble gases in groundwater by Seltzer, A.M., Stute, M., Morgenstern, U., Stewart, M.K., Schaefer, J.M.

“…This study presents a reconstruction of mean annual surface temperature in New Zealand over the last glacial period using groundwater noble gas…”
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An inter-laboratory comparison of cosmogenic 3 He and radiogenic 4 He in the CRONUS-P pyroxene standard by Blard, P.-H., Balco, G., Burnard, P.G., Farley, K.A., Fenton, C.R., Friedrich, R., Jull, A.J.T., Niedermann, S., Pik, R., Schaefer, J.M., Scott, E.M., Shuster, D.L., Stuart, F.M., Stute, M., Tibari, B., Winckler, G., Zimmermann, L.

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An inter-laboratory comparison of cosmogenic 3He and radiogenic 4He in the CRONUS-P pyroxene standard by Blard, P.-H., Balco, G., Burnard, P.G., Farley, K.A., Fenton, C.R., Friedrich, R., Jull, A.J.T., Niedermann, S., Pik, R., Schaefer, J.M., Scott, E.M., Shuster, D.L., Stuart, F.M., Stute, M., Tibari, B., Winckler, G., Zimmermann, L.

“…This study reports an inter-laboratory comparison of the 3He and 4He concentrations measured in the pyroxene material CRONUS-P. This forms part of the…”
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A search for cosmogenic nitrogen in a terrestrial rock by Marty, B., Yokochi, R., Schaefer, J.M., Wieler, R.

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Comparative toxicity to rats of lead acetate from food or water by Mahaffey, K R, Rader, J I, Schaefer, J M, Kramer, S N

“…It is not clear at present if lead is more toxic when added to food or to water. Because of the general effects of food intake on reduction of lead absorption…”
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An assessment of coyote and dog predation on sheep in southern Iowa by Schaefer, J.M, Andrews, R.D, Dinsmore, J.J

“…A questionnaire survey, field necropsies, domestic-animal claims, and a postcard survey were used to assess coyote and dog predation on sheep in southern Iowa…”
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