Search Results - "Freimuth, Erika J."

Long-chain plant wax n-alkane hydrogen isotopic evidence for increased Little Ice Age aridity in the midcontinental United States by Bird, Broxton W., Freimuth, Erika J., Diefendorf, Aaron F.

“…We compare hydrogen isotopic measurements of long-chain leaf-wax n -alkanes (δ 2 H w ; C 27 , C 29 , and C 31 ) from Martin Lake, Indiana, USA, with a…”
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Extracting the most from terrestrial plant-derived n-alkyl lipids and their carbon isotopes from the sedimentary record: A review by Diefendorf, Aaron F., Freimuth, Erika J.

“…•Plant wax components are used for paleoclimate, paleovegetation, and carbon cycle reconstruction.•The δ13C values are influenced by fractionation during…”
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Hydrogen isotopes of n-alkanes and n-alkanoic acids as tracers of precipitation in a temperate forest and implications for paleorecords by Freimuth, Erika J., Diefendorf, Aaron F., Lowell, Thomas V.

“…The hydrogen isotopic composition of leaf waxes (δDwax) primarily reflects that of plant source water. Therefore, sedimentary δDwax records are increasingly…”
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Sedimentary n-alkanes and n-alkanoic acids in a temperate bog are biased toward woody plants by Freimuth, Erika J., Diefendorf, Aaron F., Lowell, Thomas V., Wiles, Gregory C.

“…•Major plant wax sources were compared to bog sediments in a forested catchment.•All plants had similar n-acid abundance; n-alkanes were notably abundant in…”
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Last interglacial (MIS 5e) and Holocene paleohydrology and paleovegetation of midcontinental North America from Gulf of Mexico sediments by Suh, Yeon Jee, Diefendorf, Aaron F., Freimuth, Erika J., Hyun, Sangmin

“…Marine Isotope Stage (MIS) 5e experienced slightly higher insolation and lower global ice volume compared to the pre-industrial climate, however, how climate…”
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Plant wax and carbon isotope response to heat and drought in the conifer Juniperus monosperma by Diefendorf, Aaron F., Bickford, Christopher P., Schlanser, Kristen M., Freimuth, Erika J., Hannon, Jeffrey S., Grossiord, Charlotte, McDowell, Nate G.

“…•Plant waxes of the drought-tolerant conifer Juniperus monosperma were studied.•Temperature (T) and precipitation (P) were manipulated for mature trees.•Higher…”
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Centennial-scale age offsets of plant wax n-alkanes in Adirondack lake sediments by Freimuth, Erika J., Diefendorf, Aaron F., Lowell, Thomas V., Schartman, Anna K., Landis, Joshua D., Stewart, Alexander K., Bates, Benjamin R.

“…•Five lake sediment records in the Adirondacks region of New York (USA) were studied.•Plant wax n-alkane 14C ages at the time of sediment deposition were…”
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Stable source of Holocene spring precipitation recorded in leaf wax hydrogen-isotope ratios from two New York lakes by Schartman, Anna K., Diefendorf, Aaron F., Lowell, Thomas V., Freimuth, Erika J., Stewart, Alexander K., Landis, Joshua D., Bates, Benjamin R.

“…Changes in synoptic atmospheric circulation patterns are thought to play a role in establishing millennial scale climate periods during the end of the late…”
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Hydrogen isotopic composition (δ2H) of diatom-derived C20 highly branched isoprenoids from lake sediments tracks lake water δ2H by Corcoran, Megan C., Diefendorf, Aaron F., Lowell, Thomas V., Freimuth, Erika J., Schartman, Anna K., Bates, Benjamin R., Stewart, Alexander K., Bird, Broxton W.

“…•C20 HBI δ2H was measured in surface sediments of 12 lakes in the Adirondack Region.•δ2HHBI from lake diatoms reflects source water δ2H.•HBI δ2H and δ13C vary…”
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Contrasting sensitivity of lake sediment n-alkanoic acids and n-alkanes to basin-scale vegetation and regional-scale precipitation δ2H in the Adirondack Mountains, NY (USA) by Freimuth, Erika J., Diefendorf, Aaron F., Lowell, Thomas V., Bates, Benjamin R., Schartman, Anna, Bird, Broxton W., Landis, Joshua D., Stewart, Alexander K.

“…The hydrogen isotope values of plant waxes (δ2Hwax) primarily reflect plant source water. δ2Hwax preserved in lake sediments has therefore been widely used to…”
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