Search Results - "Jacobson, George L"

Evidence for warm wet Heinrich events in Florida by Grimm, Eric C., Watts, William A., Jacobson, George L., Hansen, Barbara C.S., Almquist, Heather R., Dieffenbacher-Krall, Ann C.

“…Analyses of pollen and plant macrofossils from a new core spanning the past 60,000 years from Lake Tulane, Florida show a strong antiphase relationship in…”
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A Tribute to Eric C. Grimm (1951–2020) by Jacobson, George L.

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Younger Dryas Paleoenvironments and Ice Dynamics in Northern Maine: A Multi-Proxy, Case History by Dieffenbacher-Krall, Ann C, Borns, Harold W, Nurse, Andrea M, Langley, Geneva E.C, Birkel, Sean, Cwynar, Les C, Doner, Lisa A, Dorion, Christopher C, Fastook, James, Jr, George L. Jacobson, Sayles, Christopher

“…Geological evidence for modeled Younger Dryas ice expansion in northern Maine is assessed in conjunction with temperature and precipitation estimates from…”
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Morphometric analysis of pollen grains for paleoecological studies: classification of Picea from eastern North America by Lindbladh, Matts, O'Connor, Raymond, Jacobson, George L.

“…Little is known about the paleoecological histories of the three spruce species (white spruce, Picea glauca; black spruce, P. mariana; and red spruce P…”
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Seeds of Pistia stratiotes L. (water lettuce) in the paleo-sediments of Lake Annie, Florida by Evans, Jason M., Jacobson, George L., Tanner, Benjamin R., Grimm, Eric C.

“…Pistia stratiotes L. (water lettuce) is a floating tropical macrophyte long identified and managed as a non-native species within the State of Florida and…”
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The importance of terrestrial carbon sequestration during Termination 1 by Jacobson, GEORGE L., Norton, STEPHEN A., Maasch, KIRK A.

“…ABSTRACT During the transition from the Last Glacial Maximum (LGM) to the Holocene, terrestrial carbon sequestration occurred primarily in boreal forests and…”
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Correction: Seeds of Pistia stratiotes L. (water lettuce) in the paleo-sediments of Lake Annie, Florida by Evans, Jason M., Jacobson, George L., Tanner, Benjamin R., Grimm, Eric C.

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Interhemispheric climate links revealed by a late-glacial cooling episode in southern Chile by Jacobson, George L, Denton, George H, Lowell, Thomas V, Moreno, Patricio I

“…Understanding the relative timings of climate events in the Northern and Southern hemispheres is a prerequisite for determining the causes of abrupt climate…”
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The late-Holocene decline of Tilia in relation to climate and human activities – pollen evidence from 42 sites in southern Sweden by Hultberg, Tove, Lagerås, Per, Björkman, Leif, Sköld, Eva, Jacobson, George L, Hedwall, Per-Ola, Lindbladh, Matts

“…Aim The dominant role of Tilia in primeval forests of Scandinavia has long been recognized, but the timing and mechanisms for its decline have not been…”
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The role of tree composition in Holocene fire history of the hemiboreal and southern boreal zones of southern Sweden, as revealed by the application of the Landscape Reconstruction Algorithm: Implications for biodiversity and climate-change issues by Cui, Qiao-Yu, Gaillard, Marie-José, Lemdahl, Geoffrey, Sugita, Shinya, Greisman, Annica, Jacobson, George L, Olsson, Fredrik

“…We present a quantitative reconstruction of local forest history at two sites, Stavsåkra (hemiboreal zone) and Storasjö (southern boreal zone), in southern…”
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A 50,000-Year Record of Climate Oscillations from Florida and Its Temporal Correlation with the Heinrich Events by Grimm, Eric C., Jacobson, George L., Watts, William A., Barbara C. S. Hansen, Maasch, Kirk A.

“…Oscillations of Pinus (pine) pollen in a 50,000-year sequence from Lake Tulane, Florida, indicate that there were major vegetation shifts during the last…”
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Climatic and environmental controls on the variation of C3 and C4 plant abundances in central Florida for the past 62,000 years by Huang, Yongsong, Shuman, Bryan, Wang, Yi, Webb, Thompson, Grimm, Eric C., Jacobson, George L.

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Sulfur isotope evidence for changing input of continental and marine aerosols in a 60,000-year sediment core from Lake Tulane, central Florida, USA by Novak, Martin, Jacobson, George L., Norton, Stephen A., Stepanova, Marketa, Grimm, Eric C., Jackova, Ivana, Buzek, Frantisek

“…Variations in sulfur isotope ratios in lacustrine sediments are used here to reveal regional aspects of past environmental change at Lake Tulane, Florida, USA…”
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The controls on phosphorus availability in a Boreal lake ecosystem since deglaciation by Norton, Stephen A., Perry, Randall H., Saros, Jasmine E., Jacobson, George L., Fernandez, Ivan J., Kopáček, Jiří, Wilson, Tiffany A., SanClements, Michael D.

“…The sediment record from a 5.3-m core from Sargent Mountain Pond, Maine USA indicates strong co-evolutionary relationships among climate, vegetation, soil…”
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Persistence of Coastal Spruce Refugia during the Holocene in Northern New England, USA, Detected by Stand-Scale Pollen Stratigraphies by Schauffler, Molly, Jacobson, George L.

“…1 Pollen data from wet, forested hollows in five spruce (Picea) stands on the eastern coast of Maine, USA, reveal that spruce has been well-established (spruce…”
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Paleoecology and the Coarse-Filter Approach to Maintaining Biological Diversity by HUNTER Jr, MALCOLM L., JACOBSON Jr, GEORGE L., WEBB III, THOMPSON

“…The difficulties of saving millions o species from extinction often cause conservationists to focus on a higher level of biological organization, the…”
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Atlantic salmon, archaeology and climate change in New England by Robinson, Brian S., Jacobson, George L., Yates, Martin G., Spiess, Arthur E., Cowie, Ellen R.

“…A paucity of archaeological remains of Atlantic salmon in Northeast North America has been cited as evidence that the species may have been present in the…”
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Fossil-pollen evidence for abrupt climate changes during the past 18 000 years in eastern North America by Grimm, Eric C, Jacobson, George L

“…A quantitative measure of the rate at which fossil-pollen abundances changed over the last 18 000 years at 18 sites spread across eastern North America…”
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Climatic and environmental controls on the variation of C 3 and C 4 plant abundances in central Florida for the past 62,000 years by Huang, Yongsong, Shuman, Bryan, Wang, Yi, Webb, Thompson, Grimm, Eric C., Jacobson, George L.

“…Lake Tulane provides one of the few continental sediment records beyond the late glacial period (∼ 15,000 cal years B.P.) for eastern North America. Its…”
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Influence of vegetational structure on capture of salt and nutrient aerosols in a Maine peatland by Schauffler, Molly, Jacobson, George L., Pugh, Alexander L., Norton, Stephen A.

“…Concentrations and fluxes of $\mathrm{Cl}^-$ and $\mathrm{Na}^+$ in bulk precipitation and throughfall in an inland, acidic peatland (Alton Bog, Maine, USA)…”
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