Is the northern high-latitude land-based CO2 sink weakening?
D.J. Hayes, A. D. McGuire, D. W. Kicklighter, K.R. Gurney, T.J. Burnside, J. M. Melillo
2011, Global Biogeochemical Cycles (25)
Studies indicate that, historically, terrestrial ecosystems of the northern high-latitude region may have been responsible for up to 60% of the global net land-based sink for atmospheric CO2. However, these regions have recently experienced remarkable modification of the major driving forces of the carbon cycle, including surface air temperature warming...
Nest success of grassland sparrows on reclaimed surface mines
G.E. Stauffer, Duane R. Diefenbach, M.R. Marshall, D.W. Brauning
2011, Journal of Wildlife Management (75) 548-557
Grasslands resulting from surface mine reclamation support grassland songbird populations in several midwestern and eastern states in the United States, especially where reclaimed mines are large (>1,000ha). However, most reclaimed surface mines in Pennsylvania are small (<200ha), and nest success is unknown. We evaluated nest success of grasshopper (Ammodramus savannarum),...
Remote sensing and geospatial support to burned area emergency response teams
Randy McKinley, Jess Clark
2011, Fire Management Today (71) 15-18
A major concern of land managers in the United States is the response of watersheds to weather after a wildfire. With an ever-expanding wildland-urban interface (WUI), land managers must be cognizant of potential damage to private property and other values at risk. In the United States, land-management agencies from the...
Paleocene coal deposits of the Wilcox Group, Northeast Texas
Robert W. Hook, Peter D. Warwick, John R. SanFilipo, Douglas J. Nichols, Sharon M. Swanson
Peter D. Warwick, Alexander K. Karlsen, Matthew D. Merrill, Brett J. Valentine, editor(s)
2011, Book chapter, Geologic assessment of coal in the Gulf of Mexico coastal plain
The surface exposure of the Paleocene Wilcox Group in northeast Texas varies in width from 9 to 27 mi along an arcuate outcrop that extends southwest approximately 156 mi from the Texas-Arkansas State line to 32° latitude. Parts of Bowie, Camp, Cass, Franklin, Henderson, Hopkins, Morris, Navarro, Rains, Titus, Van...
An isotopic approach to measuring nitrogen balance in caribou
David D. Gustine, Perry S. Barboza, Layne G. Adams, Richard G. Farnell, Katherine L. Parker
2011, Journal of Wildlife Management (75) 178-188
Nutritional restrictions in winter may reduce the availability of protein for reproduction and survival in northern ungulates. We refined a technique that uses recently voided excreta on snow to assess protein status in wild caribou (Rangifer tarandus) in late winter. Our study was the first application of this non‐invasive, isotopic...
Nitrogen in Chinese coals
D. Wu, J. Lei, B. Zheng, X. Tang, M. Wang, Jiawen Hu, S. Li, B. Wang, R. B. Finkelman
2011, Chinese Journal of Geochemistry (30) 248-254
Three hundred and six coal samples were taken from main coal mines of twenty-six provinces, autonomous regions, and municipalities in China, according to the resource distribution and coal-forming periods as well as the coal ranks and coal yields. Nitrogen was determined by using the Kjeldahl method at U. S. Geological...
Bibliography of the Gulf of Mexico coastal plain coal geology
Robert W. Hook, Peter D. Warwick, Alexander W. Karlsen, Susan J. Tewalt
Peter D. Warwick, Alexander K. Karlsen, Matthew D. Merrill, Susan J. Tewalt, editor(s)
2011, Book chapter, Geologic assessment of coal in the Gulf of Mexico coastal plain
Unlike scientific literature pertaining to most other coal-bearing regions in the conterminous United States, this bibliography on the coal geology of the Gulf Coastal Plain is dominated by work from the late 20th century. Although coals of this region were mined commercially in the late 1800s and early 1900s, they...
Calibration of models using groundwater age
Ward E. Sanford
2011, Hydrogeology Journal (19) 13-16
There have been substantial efforts recently by geochemists to determine the age of groundwater (time since water entered the system) and its uncertainty, and by hydrologists to use these data to help calibrate groundwater models. This essay discusses the calibration of models using groundwater age, with conclusions that emphasize what...
Radiotelemetry to estimate stream life of adult chum salmon in the McNeil River, Alaska
Joshua Peirce, Edward O. Otis, Mark S. Wipfli, Erich H. Follmann
2011, North American Journal of Fisheries Management (31) 315-322
Estimating salmon escapement is one of the fundamental steps in managing salmon populations. The area-under-the-curve (AUC) method is commonly used to convert periodic aerial survey counts into annual salmon escapement indices. The AUC requires obtaining accurate estimates of stream life (SL) for target species. Traditional methods for estimating SL (e.g.,...
Paleocene coal deposits of the Wilcox group, central Texas
Robert W. Hook, Peter D. Warwick, John R. SanFilipo, Adam C. Schultz, Douglas J. Nichols, Sharon M. Swanson
Peter D. Warwick, Alexander K. Karlsen, Matthew D. Merrill, Brett J. Valentine, editor(s)
2011, Book chapter, Geologic assessment of coal in the Gulf of Mexico coastal plain
Coal deposits in the Wilcox Group of central Texas have been regarded as the richest coal resources in the Gulf Coastal Plain. Although minable coal beds appear to be less numerous and generally higher in sulfur content (1 percent average, as-received basis; table 1) than Wilcox coal deposits in the...
Executive summary - Geologic assessment of coal in the Gulf of Mexico coastal plain, U.S.A.
Peter D. Warwick
Peter D. Warwick, Alexander K. Karlsen, Matthew D. Merrill, Brett J. Valentine, editor(s)
2011, Book chapter, Geologic assessment of coal in the Gulf of Mexico coastal plain
The National Coal Resource Assessment (NCRA) project of the U.S. Geological Survey (USGS) has assessed the quantity and quality of the nation's coal deposits that potentially could be mined during the next few decades. For eight years, geologic, geochemical, and resource information was collected and compiled for the five major...
Metacommunity theory as a multispecies, multiscale framework for studying the influence of river network structure on riverine communities and ecosystems
B.L. Brown, C.M. Swan, D.A. Auerbach, Grant E.H. Campbell, N.P. Hitt, K.O. Maloney, C. Patrick
2011, Journal of the North American Benthological Society (30) 310-327
Explaining the mechanisms underlying patterns of species diversity and composition in riverine networks is challenging. Historically, community ecologists have conceived of communities as largely isolated entities and have focused on local environmental factors and interspecific interactions as the major forces determining species composition. However, stream ecologists have long embraced a...
Swimming and other activities: applied aspects of fish swimming performance
Theodore R. Castro-Santos
A.P. Farrell, editor(s)
2011, Book chapter, Encyclopedia of fish physiology: from genome to the environment
Human activities such as hydropower development, water withdrawals, and commercial fisheries often put fish species at risk. Engineered solutions designed to protect species or their life stages are frequently based on assumptions about swimming performance and behaviors. In many cases, however, the appropriate data to support these designs are either...
Notes on the geology and meteorology of sites infected with white-nose syndrome before July 2010 in Southeastern United States
Christopher S. Swezey, Christopher P. Garrity
2011, NSS News (2011) 16-25
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...
Using luminescence dating of coarse matrix material to estimate the slip rate of the Astaneh fault, Iran
M. Rizza, Shannon A. Mahan, J.-F. Ritz, H. Nazari, J. Hollingsworth, R. Salamati
2011, Quaternary Geochronology (6) 390-406
In this paper, we present optically and infrared stimulated luminescence (OSL and IRSL) ages for four samples from alluvial fan surfaces in the Astaneh Valley. This valley is located in the north-east part of the Alborz range in Iran. Our morphologic interpretations recognize at least three generations of fans in the study area,...
Coelomic implantation of satellite transmitters in the bar-tailed godwit (Limosa lapponica) and the bristle-thighed curlew (Numenius tahitiensis) using propofol, bupivacaine, and lidocaine
Daniel M. Mulcahy, Brett D. Gartrell, Robert E. Gill Jr., T. Lee Tibbitts, Daniel R. Ruthrauff
2011, Journal of Zoo and Wildlife Medicine (42) 54-64
Intravenous propofol was used as a general anesthetic with a 2∶1 (mg∶mg) adjunctive mixture of lidocaine and bupivacaine as local anesthetics infiltrated into the surgical sites for implantation of satellite transmitters into the right abdominal air sac of 39 female and 4 male bar-tailed godwits (Limosa lapponica baueri and Limosa...
Petroleum prospectivity of the Canada Basin, Arctic Ocean
Arthur Grantz, Patrick E. Hart
2011, Conference Paper, Society of Petroleum Engineers - Arctic Technology Conference 2011
Reconnaissance seismic reflection data indicate that Canada Basin is a >700,000 sq. km. remnant of the Amerasia Basin of the Arctic Ocean that lies south of the Alpha-Mendeleev Large Igneous Province, which was constructed across the northern part of the Amerasia Basin between about 127 and 89–83.5 Ma. Canada Basin...
Forecasting carbon budget under climate change and CO2 fertilization for subtropical region in China using integrated biosphere simulator (IBIS) model
Q. Zhu, H. Jiang, J. Liu, C. Peng, X. Fang, S. Yu, G. Zhou, X. Wei, W. Ju
2011, Polish Journal of Ecology (59) 3-24
The regional carbon budget of the climatic transition zone may be very sensitive to climate change and increasing atmospheric CO2 concentrations. This study simulated the carbon cycles under these changes using process-based ecosystem models. The Integrated Biosphere Simulator (IBIS), a Dynamic Global Vegetation Model (DGVM), was used to evaluate the...
Soil carbon distribution in Alaska in relation to soil-forming factors
K.D. Johnson, J. Harden, A. D. McGuire, N.B. Bliss, James G. Bockheim, M.R. Clark, T. Nettleton-Hollingsworth, M.T. Jorgenson, E.S. Kane, M. Mack, J. O'Donnell, C.-L. Ping, E.A.G. Schuur, M.R. Turetsky, D.W. Valentine
2011, Geoderma (167-168) 71-84
The direction and magnitude of soil organic carbon (SOC) changes in response to climate change remain unclear and depend on the spatial distribution of SOC across landscapes. Uncertainties regarding the fate of SOC are greater in high-latitude systems where data are sparse and the soils are affected by sub-zero temperatures....
Hapke modeling of Rhea surface properties through Cassini-VIMS spectra
M. Ciarniello, F. Capaccioni, G. Filacchione, Roger N. Clark, D. P. Cruikshank, P. Cerroni, A. Coradini, R. H. Brown, B. J. Buratti, F. Tosi, K. Stephan
2011, Icarus (214) 541-555
TThe surface properties of the icy bodies in the saturnian system have been investigated by means of the Cassini-VIMS (Visual Infrared Mapping Spectrometer) hyperspectral imager which operates in the 0.35–5.1 μm wavelength range. In particular, we have analyzed 111 full disk hyperspectral images of Rhea ranging in solar phase between 0.08°...
Behavioral, clinical, and pathological characterization of acid metalliferous water toxicity in mallards
J.P. Isanhart, H. Wu, K. Pandher, R.K. MacRae, S.B. Cox, M.J. Hooper
2011, Archives of Environmental Contamination and Toxicology (61) 653-667
From September to November 2000, United States Fish and Wildlife Service biologists investigated incidents involving 221 bird deaths at 3 mine sites located in New Mexico and Arizona. These bird deaths primarily involved passerine and waterfowl species and were assumed to be linked to consumption of acid metalliferous water (AMW)....
The geochemistry and petrogenesis of the Paleoproterozoic Green Mountain arc: A composite(?), bimodal, oceanic, fringing arc
D.S. Jones, C. G. Barnes, Wayne R. Premo, A.W. Snoke
2011, Precambrian Research (185) 231-249
The inferred subduction affinity of the ∼1780-Ma Green Mountain arc, a dominantly bimodal igneous terrane (together with immature marine and volcaniclastic sedimentary rocks) accreted to the southern margin of the Wyoming province, is integral to arc-accretion models of the Paleoproterozoic growth of southern Laurentia. Conversely, the dominantly bimodal nature...
Distribution of lake sturgeon in New York: 11 years of restoration management
Marc Chalupnicki, Dawn E. Dittman, D.M. Carlson
2011, American Midland Naturalist (165) 364-371
Lake sturgeon (Acipenser fulvescens) are native within the Lake Ontario drainage basin and listed as threatened by New York State. In 1995 the New York State Department of Environmental Conservation (NYSDEC) initiated restoration management of lake sturgeon. This management included both protection of extant populations and stocking of uninhabited...
Trench infiltration for managed aquifer recharge to permeable bedrock
V.M. Heilweil, D.E. Watt
2011, Hydrological Processes (25) 141-151
Managed aquifer recharge to permeable bedrock is increasingly being utilized to enhance resources and maintain sustainable groundwater development practices. One such target is the Navajo Sandstone, an extensive regional aquifer located throughout the Colorado Plateau of the western United States. Spreading-basin and bank-filtration projects along the sandstone outcrop's western edge...
Three-dimensional surface deformation mapping by convensional interferometry and multiple aperture interferometry
H.-S. Jung, Z. Lu, C.-W. Lee
2011, Conference Paper, 2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011
Interferometric synthetic aperture radar (InSAR) technique has been successfully used for mapping surface deformations [1-2], but it has been normally limited to a measurement along the radar line-of-sight (LOS) direction. For this reason, it is impossible to determine the north (N-S) component of surface deformation because of using data from...
