Search Results - "Willard, D.A."

Roles of climatic and anthropogenic factors in shaping Holocene vegetation and fire regimes in Great Dismal Swamp, eastern USA by Willard, D.A., Jones, M.C., Alder, J., Fastovich, D., Hoefke, K., Poirier, R.K., Wurster, F.C.

“…The Great Dismal Swamp wetland, spanning >400 km2 along the Virginia and North Carolina border, was shaped by a complex combination of geomorphic, climatic,…”
Get full text

Patterns of floodplain sediment deposition along the regulated lower Roanoke River, North Carolina: Annual, decadal, centennial scales by Hupp, C.R., Schenk, E.R., Kroes, D.E., Willard, D.A., Townsend, P.A., Peet, R.K.

“…The lower Roanoke River on the Coastal Plain of North Carolina is not embayed and maintains a floodplain that is among the largest on the mid-Atlantic Coast…”
Get full text

The Medieval Climate Anomaly and Little Ice Age in Chesapeake Bay and the North Atlantic Ocean by Cronin, T.M., Hayo, K., Thunell, R.C., Dwyer, G.S., Saenger, C., Willard, D.A.

“…A new 2400-year paleoclimate reconstruction from Chesapeake Bay (CB) (eastern US) was compared to other paleoclimate records in the North Atlantic region to…”
Get full text

Impacts of post-glacial lake drainage events and revised chronology of the Champlain Sea episode 13–9 ka by Cronin, T.M., Manley, P.L., Brachfeld, S., Manley, T.O., Willard, D.A., Guilbault, J.-P., Rayburn, J.A., Thunell, R., Berke, M.

“…Lithologic, CHIRP (Compressed High Intensity Radar Pulse) sonar, paleomagnetic, stable isotopic and micropaleontological analyses of sediment cores from Lake…”
Get full text

Response of everglades tree islands to environmental change by Willard, Debra A., Bernhardt, Christopher E., Holmes, Charles W., Landacre, Bryan, Marot, Marci

“…Tree islands are centers of biodiversity within the Florida Everglades, USA, but the factors controlling their distribution, formation, and development are…”
Get full text

Medieval Warm Period, Little Ice Age and 20th century temperature variability from Chesapeake Bay by Cronin, T.M, Dwyer, G.S, Kamiya, T, Schwede, S, Willard, D.A

“…We present paleoclimate evidence for rapid (<100 years) shifts of ∼2–4 °C in Chesapeake Bay (CB) temperature ∼2100, 1600, 950, 650, 400 and 150 years before…”
Get full text

Early Herrin coal-swamp vegetation: Inferences from miospore floras in an abandoned paleochannel by Willard, D.A.

“…A small paleochannel abandoned shortly prior to accumulation of peat to form the Herrin Coal was mapped and sampled in central Illinois. Spore floras from…”
Get full text

Network management architecture for the objective airborne network by Willard, D.A.

“…The objective airborne network (AN) of the future uses a heterogeneous set of physical links (RF, optical/laser, and SATCOM) to interconnect terrestrial, space…”
Get full text

Pollen assemblages as paleoenvironmental proxies in the Florida Everglades by Willard, D.A., Weimer, L.M., Riegel, W.L.

“…Analysis of 170 pollen assemblages from surface samples in eight vegetation types in the Florida Everglades indicates that these wetland sub-environments are…”
Get full text

Experimental cladistic analysis of anatomically preserved arborescent lycopsids from the Carboniferous of Euramerica: an essay on paleobotanical phylogenetics by Bateman, R.M. (University of Oxford, Oxford), DiMichele, W.A, Willard, D.A

“…This evolutionary cladistic analysis of the arborescent (wood-producing) lycopsids, an exclusively fossil group of vascular plants, is confined to the…”
Get full text

Source plants for carboniferous microspores: Lycospora from permineralized Lepidostrobus by Willard, D.A

“…Permineralized Lepidostrobus specimens were examined from the Westphalian A of England, Westphalian B (Breathitt) of the Appalachian Basin, and the Westphalian…”
Get full text

Lycospora from Carboniferous Lepidostrobus compressions by Willard, D.A. (University of Illinois, Urbana, IL)

“…Spores were extracted from Carboniferous Lepidostrobus compressions in order to associate in situ microspores with dispersed species of Lycospora. Two hundred…”
Get full text