Reproduction and microhabitat selection in a sharply declining Northern Bobwhite population
B.M. Collins, C.K. Williams, Paul M. Castelli
2009, Wilson Journal of Ornithology (121) 688-695
Northern Bobwhite (Colinus virginianus) populations have been declining throughout their range, but some of the sharpest declines have been documented in the Mid-Atlantic states. We conducted a 2 year (2006-2007) breeding season (1 May-30 Sep) telemetry study in southern New Jersey to collect baseline data on Northern Bobwhite reproductive rates,...
Regeneration of coastal marsh vegetation impacted by hurricanes Katrina and Rita
B.A. Middleton
2009, Wetlands (29) 54-65
The dynamics of plant regeneration via seed and vegetative spread in coastal wetlands dictate the nature of community reassembly that takes place after hurricanes or sea level rise. The objectives of my project were to evaluate the potential effects of saltwater intrusion and flooding of Hurricanes Katrina and Rita on...
Postimpact heat conduction and compaction-driven fluid flow in the Chesapeake Bay impact structure based on downhole vitrinite reflectance data, ICDP-USGS Eyreville deep core holes and Cape Charles test holes
M.L. Malinconico, W. E. Sanford, Horton W.J.J. Wright Jr.
2009, Special Paper of the Geological Society of America 905-930
Vitrinite reflectance data from the International Continental Scientific Drilling Program (ICDP)-U.S. Geological Survey (USGS) Eyreville deep cores in the centralcrater moat of the Chesapeake Bay impact structure and the Cape Charles test holes on the central uplift show patterns of postimpact maximum-temperature distribution that result from a combination of conductive...
Constraints on the utility of MnO2 cartridge method for the extraction of radionuclides: A case study using 234Th
M. Baskaran, P.W. Swarzenski, B.A. Biddanda
2009, Geochemistry, Geophysics, Geosystems (10)
[1] Large volume (102-103 L) seawater samples are routinely processed to investigate the partitioning of particle reactive radionuclides and Ra between solution and size-fractionated suspended particulate matter. One of the most frequently used methods to preconcentrate these nuclides from such large volumes involves extraction onto three filter cartridges (a prefilter...
High resolution near-bed observations in winter near Cape Hatteras, North Carolina
M. Martini, B. Armstrong, J.C. Warner
2009, Conference Paper, MTS/IEEE Biloxi - Marine Technology for Our Future: Global and Local Challenges, OCEANS 2009
The U.S. Geological Survey (USGS) Coastal and Marine Science Center in Woods Hole, Massachusetts, is leading an effort to understand the regional sediment dynamics along the coastline of North and South Carolina. As part of the Carolinas Coastal Change Processes Project, a geologic framework study in June of 2008 by...
Supplemental materials for the ICDP-USGS Eyreville A, B, and C core holes, Chesapeake Bay impact structure: Core-box photographs, coring-run tables, and depth-conversion files
C.T. Durand, Lucy E. Edwards, M.L. Malinconico, David S. Powars
2009, Special Paper of the Geological Society of America 115-118
During 2005-2006, the International Continental Scientific Drilling Program and the U.S. Geological Survey drilled three continuous core holes into the Chesapeake Bay impact structure to a total depth of 1766.3 m. A collection of supplemental materials that presents a record of the core recovery and measurement data for the Eyreville...
Bird population density estimated from acoustic signals
D.K. Dawson, M.G. Efford
2009, Journal of Applied Ecology (46) 1201-1209
Many animal species are detected primarily by sound. Although songs, calls and other sounds are often used for population assessment, as in bird point counts and hydrophone surveys of cetaceans, there are few rigorous methods for estimating population density from acoustic data. 2. The problem has several parts - distinguishing...
Paleontological interpretations of crater processes and infilling of synimpact sediments from the Chesapeake Bay impact structure
Jean Self-Trail, Lucy E. Edwards, Ronald J. Litwin
2009, Special Paper of the Geological Society of America 633-654
Biostratigraphic analysis of sedimentary breccias and diamictons in the Chesapeake Bay impact structure provides information regarding the timing and processes of late-stage gravitational crater collapse and ocean resurge. Studies of calcareous nannofossil and palynomorph assemblages in the International Continental Scientific Drilling Program (ICDP)-U.S. Geological Survey (USGS) Eyreville A and B...
Petrology and geochronology of crustal xenoliths from the Bering Strait region: Linking deep and shallow processes in extending continental crust
V.V. Akinin, E. L. Miller, J. L. Wooden
2009, Special Paper of the Geological Society of America 39-68
Petrologic, geochemical, and metamorphic data on gneissic xenoliths derived from the middle and lower crust in the Neogene Bering Sea basalt province, coupled with U-Pb geochronology of their zircons using sensitive high-resolution ion microprobe-reverse geometry (SHRIMP-RG), yield a detailed comparison between the P-T-t and magmatic history of the lower crust...
Rapid middle Miocene collapse of the Mesozoic orogenic plateau in north-central Nevada
Joseph P. Colgan, Christopher D. Henry
2009, International Geology Review (51) 920-961
The modern Sierra Nevada and Great Basin were likely the site of a high-elevation orogenic plateau well into Cenozoic time, supported by crust thickened during Mesozoic shortening. Although crustal thickening at this scale can lead to extension, the relationship between Mesozoic shortening and subsequent formation of the Basin and Range...
The moon as a radiometric reference source for on-orbit sensor stability calibration
T.C. Stone
2009, Conference Paper, International Geoscience and Remote Sensing Symposium (IGARSS)
The wealth of data generated by the world's Earth-observing satellites, now spanning decades, allows the construction of long-term climate records. A key consideration for detecting climate trends is precise quantification of temporal changes in sensor calibration on-orbit. For radiometer instruments in the solar reflectance wavelength range (near-UV to shortwave-IR), the...
An evaluation of sex-age-kill (SAK) model performance
Joshua J. Millspaugh, John R. Skalski, Richard L. Townsend, Duane R. Diefenbach, Mark S. Boyce, Lonnie P. Hansen, Kent Kammermeyer
2009, Journal of Wildlife Management (73) 442-451
The sex-age-kill (SAK) model is widely used to estimate abundance of harvested large mammals, including white-tailed deer (Odocoileus virginianus). Despite a long history of use, few formal evaluations of SAK performance exist. We investigated how violations of the stable age distribution and stationary population assumption, changes to male or female...
Breeding-season sympatry facilitates genetic exchange among allopatric wintering populations of Northern Pintails in Japan and California
Paul L. Flint, Kiyoaki Ozaki, John M. Pearce, Brian Guzzetti, Hiroyoshi Higuchi, Joseph P. Fleskes, Tetsuo Shimada, Dirk V. Derksen
2009, Condor (111) 591-598
The global redistribution of pathogens, such as highly pathogenic avian influenza, has renewed interest in the connectivity of continental populations of birds. Populations of the Northern Pintail (Anas acuta) wintering in Japan and California are considered separate from a management perspective. We used data from band recoveries and population genetics...
Late Quaternary sediment-accumulation rates within the inner basins of the California Continental Borderland in support of geologic hazard evaluation
W. R. Normark, M. McGann, R. W. Sliter
2009, Special Paper of the Geological Society of America 117-139
An evaluation of the geologic hazards of the inner California Borderland requires determination of the timing for faulting and mass-movement episodes during the Holocene. Our effort focused on basin slopes and turbidite systems on the basin floors for the area between Santa Barbara and San Diego, California. Dating condensed sections...
Pollen-based biome reconstructions for Latin America at 0, 6000 and 18 000 radiocarbon years ago
R. Marchant, A. Cleef, S. P. Harrison, H. Hooghiemstra, Vera Markgraf, J. Van Boxel, T. Ager, L. Almeida, R. Anderson, C. Baied, H. Behling, J. C. Berrio, R. Burbridge, S. Bjorck, R. Byrne, M. Bush, J. Duivenvoorden, J. Flenley, P. De Oliveira, B. Van Gee, K. Graf, W. D. Gosling, S. Harbele, T. Van Der Hammen, B. Hansen, S. Horn, P. Kuhry, M.-P. Ledru, F. Mayle, B. Leyden, S. Lozano-Garcia, A. M. Melief, P. Moreno, N. T. Moar, A. Prieto, G. Van Reenen, F. Schabitz, M. Salgado-Labouriau, E. J. Schreve-Brinkman, M. Wille
2009, Climate of the Past (5) 725-767
The biomisation method is used to reconstruct Latin American vegetation at 6000±500 and 18 000±1000 radiocarbon years before present (14C yr BP) from pollen data. Tests using modern pollen data from 381 samples derived from 287 locations broadly reproduce potential natural vegetation. The strong temperature gradient associated with the Andes...
Invasive species information networks: Collaboration at multiple scales for prevention, early detection, and rapid response to invasive alien species
Annie Simpson, Catherine S. Jarnevich, John Madsen, Randy G. Westbrooks, Christine Fournier, Les Mehrhoff, Michael Browne, Jim Graham, Elizabeth A. Sellers
2009, Biodiversity (10) 5-13
Accurate analysis of present distributions and effective modeling of future distributions of invasive alien species (IAS) are both highly dependent on the availability and accessibility of occurrence data and natural history information about the species. Invasive alien species monitoring and detection networks (such as the Invasive Plant Atlas of New...
Integrating disparate lidar datasets for a regional storm tide inundation analysis of Hurricane Katrina
Jason M. Stoker, Dean J. Tyler, D. Phil Turnipseed, K. Van Wilson Jr., Michael J. Oimoen
2009, Journal of Coastal Research (Special Issue 53) 66-72
Hurricane Katrina was one of the largest natural disasters in U.S. history. Due to the sheer size of the affected areas, an unprecedented regional analysis at very high resolution and accuracy was needed to properly quantify and understand the effects of the hurricane and the storm tide. Many disparate sources...
Adaptation of farming practices could buffer effects of climate change on northern prairie wetlands
R.A. Voldseth, W.C. Johnson, G.R. Guntenspergen, T. Gilmanov, B.V. Millett
2009, Wetlands (29) 635-647
Wetlands of the Prairie Pothole Region of North America are vulnerable to climate change. Adaptation of farming practices to mitigate adverse impacts of climate change on wetland water levels is a potential watershed management option. We chose a modeling approach (WETSIM 3.2) to examine the effects of changes in climate...
Physical property data from the ICDP-USGS Eyreville cores A and B, Chesapeake Bay impact structure, Virginia, USA, acquired using a multisensor core logger
H. A. Pierce, J.B. Murray
2009, Special Paper of the Geological Society of America 165-179
The International Continental Scientific Drilling Program (ICDP) and the U.S. Geological Survey (USGS) drilled three core holes to a composite depth of 1766 m within the moat of the Chesapeake Bay impact structure. Core recovery rates from the drilling were high (??90%), but problems with core hole collapse limited the...
Characteristics of Southern California coastal aquifer systems
B. D. Edwards, R. T. Hanson, E.G. Reichard, T.A. Johnson
2009, Special Paper of the Geological Society of America 319-344
Most groundwater produced within coastal Southern California occurs within three main types of siliciclastic basins: (1) deep (>600 m), elongate basins of the Transverse Ranges Physiographic Province, where basin axes and related fluvial systems strike parallel to tectonic structure, (2) deep (>6000 m), broad basins of the Los Angeles and...
Mesohaline submerged aquatic vegetation survey along the U.S. gulf of Mexico coast, 2000: A stratified random approach
J. Carter, J.H. Merino, S.L. Merino
2009, Gulf of Mexico Science (27) 1-8
Estimates of submerged aquatic vegetative (SAV) along the U.S. Gulf of Mexico (Gulf) generally focus on seagrasses. In 2000, we attempted a synoptic survey of SAV in the mesohaline (5–20 ppt) zone of estuarine and nearshore areas of the northeastern Gulf. Areas with SAV were identified from existing aerial 1992...
Hydrogeologic structure underlying a recharge pond delineated with shear-wave seismic reflection and cone penetrometer data
S.S. Haines, Adam Pidlisecky, R. Knight
2009, Near Surface Geophysics (7) 329-339
With the goal of improving the understanding of the subsurface structure beneath the Harkins Slough recharge pond in Pajaro Valley, California, USA, we have undertaken a multimodal approach to develop a robust velocity model to yield an accurate seismic reflection section. Our shear-wave reflection section helps us identify and map...
Advancing landscape change research through the incorporation of Inupiaq knowledge
Wendy R. Eisner, Chris J. Cuomo, Kenneth M. Hinkel, Benjamin M. Jones, Ronald H. Brower Sr.
2009, Arctic (62) 429-442
Indigenous knowledge is a valuable but under-used source of information relevant to landscape change research. We interviewed Iñupiat elders, hunters, and other knowledge-holders in the villages of Barrow and Atqasuk on the western Arctic Coastal Plain of northern Alaska to gain further insight into the processes governing the ubiquitous lakes...
Satellite optical and radar data used to track wetland forest impact and short-term recovery from Hurricane Katrina
Elijah W. Ramsey III, A. Rangoonwala, B. Middleton, Z. Lu
2009, Wetlands (29) 66-79
Satellite Landsat Thematic Mapper (TM) and RADARSAT-1 (radar) satellite image data collected before and after the landfall of Hurricane Katrina in the Pearl River Wildlife Management Area on the Louisiana-Mississippi border, USA, were applied to the study of forested wetland impact and recovery. We documented the overall similarity in the...
Using U.S. Geological Survey data in material flow analysis: An introduction
S.F. Sibley
2009, Journal of Industrial Ecology (13) 670-673
A few sources of basic data on worldwide raw materials production and consumption exist that are independently developed and freely available to the public. This column is an introduction to the types of information available from the U.S. Geological Survey (USGS), and explains how the data are assembled. The kind...
