Publications
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Sensitivity of Pliocene ice sheets to orbital forcing Sensitivity of Pliocene ice sheets to orbital forcing
The stability of the Earth's major ice sheets is a critical uncertainty in predictions of future climate and sea level change. One method of investigating the behaviour of the Greenland and the Antarctic ice sheets in a warmer-than-modern climate is to look back at past warm periods of Earth history, for example the Pliocene. This paper presents climate and ice sheet modelling results...
Authors
A.M. Dolan, A.M. Haywood, D.J. Hill, H.J. Dowsett, S.J. Hunter, D.J. Lunt, S.J. Pickering
Paleogene calcareous nannofossils of Southern Maryland, South Dover Bridge Core, USA Paleogene calcareous nannofossils of Southern Maryland, South Dover Bridge Core, USA
No abstract available
Authors
Jean M. Self-Trail
Did intense volcanism trigger the first Late Ordovician icehouse? REPLY Did intense volcanism trigger the first Late Ordovician icehouse? REPLY
We appreciate the Comment by Herrmann et al. (2011) to our paper (Buggisch et al., 2010). When we compiled the data set for our publication, we were aware that we had not enough pre-Deicke conodont oxygen isotope data because Webers’ (1966) conodont collections from the Pecatonica Member did not yield enough specimens for isotope analysis. At that time, the recently published data of...
Authors
Werner Buggisch, Michael M. Joachimski, Oliver Lehnert, Stig M. Bergstrom, John E. Repetski
Notes on the geology and meteorology of sites infected with white-nose syndrome before July 2010 in Southeastern United States Notes on the geology and meteorology of sites infected with white-nose syndrome before July 2010 in Southeastern United States
Since 2006, numerous bat colonies in North America have experienced unusually high incidences of mortality. In these colonies, bats are infected by a white fungus named Geomyces destructans, which has been observed on bat muzzles, noses, ears, and (or) wings. Although it is not exactly certain how and why these bats are dying, this condition has been named white-nose syndrome (WNS). WNS...
Authors
Christopher S. Swezey, Christopher P. Garrity
U.S. Geological Survey: A synopsis of Three-dimensional Modeling U.S. Geological Survey: A synopsis of Three-dimensional Modeling
The U.S. Geological Survey (USGS) is a multidisciplinary agency that provides assessments of natural resources (geological, hydrological, biological), the disturbances that affect those resources, and the disturbances that affect the built environment, natural landscapes, and human society. Until now, USGS map products have been generated and distributed primarily as 2-D maps...
Authors
Linda J. Jacobsen, Pierre D. Glynn, Geoff A. Phelps, Randall C. Orndorff, Gerald W. Bawden, V. J. S. Grauch
An occurrence of the protocetid whale "Eocetus" wardii in the middle Eocene Piney Point Formation of Virginia An occurrence of the protocetid whale "Eocetus" wardii in the middle Eocene Piney Point Formation of Virginia
Two protocetid whale vertebrae, here referred to “Eocetus” wardii, have been recovered from the riverbed of the Pamunkey River in east-central Virginia. Neither bone was found in situ, but both were found with lumps of lithified matrix cemented to their surfaces. Most of this matrix was removed and processed for microfossils. Specimens of dinoflagellates were successfully recovered and...
Authors
Robert E. Weems, Lucy E. Edwards, Jason E. Osborne, A.A. Alford
Inside the crater, outside the crater: Stratigraphic details of the margin of the Chesapeake Bay impact structure, Virginia, USA Inside the crater, outside the crater: Stratigraphic details of the margin of the Chesapeake Bay impact structure, Virginia, USA
Two cores at the outer margin of the Chesapeake Bay impact structure show significant structural and depositional variations that illuminate its history. Detailed stratigraphy of the Watkins School core reveals that this site is outside the disruption boundary of the crater with respect to its lower part (nonmarine Cretaceous Potomac Formation), but just inside the boundary with respect...
Authors
Lucy E. Edwards, David S. Powars, J. Wright Horton,, Gregory Gohn, Jean Self-Trail, R. J. Litwin
Delaware Water Gap; a geology classroom Delaware Water Gap; a geology classroom
No abstract available.
Authors
Jack B. Epstein
Geologic map of the White Hall quadrangle, Frederick County, Virginia, and Berkeley County, West Virginia Geologic map of the White Hall quadrangle, Frederick County, Virginia, and Berkeley County, West Virginia
The White Hall 7.5-minute quadrangle is located within the Valley and Ridge province of northern Virginia and the eastern panhandle of West Virginia. The quadrangle is one of several being mapped to investigate the geologic framework and groundwater resources of Frederick County, Va., as well as other areas in the northern Shenandoah Valley of Virginia and West Virginia. All exposed...
Authors
Daniel H. Doctor, Randall C. Orndorff, Ronald A. Parker, David J. Weary, John E. Repetski
Climate change lessons from a warm world Climate change lessons from a warm world
In the early 1970’s to early 1980’s Soviet climatologists were making comparisons to past intervals of warmth in the geologic record and suggesting that these intervals could be possible analogs for 21st century “greenhouse” conditions. Some saw regional warming as a benefit to the Soviet Union and made comments along the lines of “Set fire to the coal mines!” These sentiments were...
Authors
Harry J. Dowsett
The PRISM3D paleoenvironmental reconstruction The PRISM3D paleoenvironmental reconstruction
The Pliocene Research, Interpretation and Synoptic Mapping (PRISM) paleoenvironmental reconstruction is an internally consistent and comprehensive global synthesis of a past interval of relatively warm and stable climate. It is regularly used in model studies that aim to better understand Pliocene climate, to improve model performance in future climate scenarios, and to distinguish model...
Authors
H. Dowsett, M. Robinson, A.M. Haywood, U. Salzmann, Daniel Hill, L.E. Sohl, M. Chandler, Mark Williams, K. Foley, D.K. Stoll