Výsledky vyhledávání - "Timothy G. Fisher"

Combining geophysical and geological datasets to improve a conceptual aquifer model of the Oak Openings Region in northwest Ohio, USA

Autor: Akinwale O. Ogunkoya, James M. Martin-Hayden, Timothy G. Fisher, Kennedy O. Doro

In this study, geophysical and geologic data were combined to develop a 3D conceptual hydrogeological model of a section of the Oak Openings Region (OOR) in northwest Ohio with a globally rare ecosystem of oak savanna and grassland prairie. The prese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::11797bb8c38dff8381fe2961ad410720
https://doi.org/10.21203/rs.3.rs-2829042/v1

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Chronology and stratigraphy of the Imlay Channel in Lapeer County, Michigan, USA

Autor: Kenneth Lepper, Jonathan N. Luczak, Timothy G. Fisher

Publikováno v: Canadian Journal of Earth Sciences. 59:59-70

The Imlay Channel in Lapeer County, Michigan, was one of two outlets for the glacial Lake Maumee phase of ancestral Lake Erie. Fifteen new radiocarbon and optical ages from within and adjacent to the Imlay Channel constrain sedimentation rates within

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f14205d9e22b5c2880fe4cd0d355ee3a
https://doi.org/10.1139/cjes-2021-0039

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Drought coincident with aeolian activity in a Great Lakes coastal dune setting during the Algoma Phase (3.1–2.4 ka), southwest Michigan

Autor: Edward C. Hansen, Kenneth Lepper, Suzanne DeVries-zimmerman, Julie A. Wolin, Trisha L. Spanbauer, Timothy G. Fisher

Publikováno v: Journal of Great Lakes Research. 47:1468-1484

Aeolian studies of Lake Michigan’s coastal dunes have yet to elucidate what factors control their episodic activity over the past 5000 years. High lake levels exposing sand along with increased storminess is generally accepted for high perched dune

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d382a7ea502e1f378266d26601069f90
https://doi.org/10.1016/j.jglr.2021.04.017

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Near-constant retreat rate of a terrestrial margin of the Laurentide Ice Sheet during the last deglaciation

Autor: Roseanne Schwart, Susan R.H. Zimmerman, Peter J. Barnett, Nathaniel Norris, Thomas V. Lowell, Timothy G. Fisher, A. Malone, Jennifer A. Howley, Meredith A. Kelly

Publikováno v: Geology. 49:1511-1515

The Laurentide Ice Sheet (LIS) was the largest ice sheet during the last glacial period. An accurate representation of its behavior during the last deglaciation is critical to understanding its influence on and response to a changing climate. We use

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff9c879a3079ed9f39687fc0c1fdb694
https://doi.org/10.1130/g49081.1

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Minimum limiting deglacial ages for the out-of-phase Saginaw Lobe of the Laurentide Ice Sheet using optically stimulated luminescence (OSL) and radiocarbon methods

Autor: Jennifer McDonald, B. Brandon Curry, Timothy G. Fisher, Francine M.G. McCarthy, Henry M. Loope, Kenneth Lepper, Mitchell R. Dziekan

Publikováno v: Quaternary Research. 97:71-87

Twenty-four new optically stimulated luminescence (OSL) and radiocarbon ages from sediment cores in nine lakes associated with the Shipshewana and Sturgis moraines in northern Indiana and southern Michigan estimate when recession of the Saginaw Lobe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3f835ca9d4ad1dc95a491093ef32c43
https://doi.org/10.1017/qua.2020.12

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Aeolian activity during Late Glacial time, with an example from Mongo, Indiana, USA

Autor: Henry M. Loope, Jennifer Horton, Kenneth Lepper, Timothy G. Fisher

Publikováno v: Canadian Journal of Earth Sciences. 56:175-182

The last aeolian activity of a significant number of inland sand dunes in the southern Great Lakes region (SGLR) was several thousands of years after deglaciation. At Mongo, Indiana, a field of parabolic sand dunes with a variety of morphologies are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bea0bf2689d54489159674195a266aa7
https://doi.org/10.1139/cjes-2018-0127

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