Outgassing models for Landsat-4 thematic mapper short wave infrared bands
E. Micijevic, D. L. Helder
Butler J.J., editor(s)
2005, Conference Paper, Proceedings of SPIE - The International Society for Optical Engineering
Detector responses to the Internal Calibrator (IC) pulses in the Landsat-4 Thematic Mapper (TM) have been observed to follow an oscillatory behavior. This phenomenon is present only in the Short Wave Infrared (SWIR) bands and has been observed throughout the lifetime of the instrument, which was launched in July 1982...
Repeated surveys by acoustic Doppler current profiler for flow and sediment dynamics in a tidal river
R.L. Dinehart, J.R. Burau
2005, Journal of Hydrology (314) 1-21
A strategy of repeated surveys by acoustic Doppler current profiler (ADCP) was applied in a tidal river to map velocity vectors and suspended-sediment indicators. The Sacramento River at the junction with the Delta Cross Channel at Walnut Grove, California, was surveyed over several tidal cycles in the Fall of 2000...
The Zamama-Thor region of Io: Insights from a synthesis of mapping, topography, and Galileo spacecraft data
David A. Williams, Laszlo P. Keszthelyi, Paul M. Schenk, Moses P. Milazzo, Rosaly Lopes, Julie A. Rathbun, Ronald Greeley
2005, Icarus (177) 69-88
We have studied data from the Galileo spacecraft's three remote sensing instruments (Solid-State Imager (SSI), Near-Infrared Mapping Spectrometer (NIMS), and Photopolarimeter-Radiometer (PPR)) covering the Zamama–Thor region of Io's antijovian hemisphere, and produced a geomorphological map of this region. This is the third of three regional maps we are producing from the Galileo spacecraft data. Our goal is to...
Modern pollen data from North America and Greenland for multi-scale paleoenvironmental applications
J. Whitmore, K. Gajewski, M. Sawada, J.W. Williams, B. Shuman, P. J. Bartlein, T. Minckley, A.E. Viau, T. Webb III, S. Shafer, P. Anderson, L. Brubaker
2005, Quaternary Science Reviews (24) 1828-1848
The modern pollen network in North America and Greenland is presented as a database for use in quantitative calibration studies and paleoenvironmental reconstructions. The georeferenced database includes 4634 samples from all regions of the continent and 134 pollen taxa that range from ubiquitous to regionally diagnostic taxa. Climate data and...
An integrated view of the chemistry and mineralogy of martian soils
A. S. Yen, Ralf Gellert, C. Schroder, R.V. Morris, J.F. Bell III, A.T. Knudson, B. C. Clark, D. W. Ming, J.A. Crisp, R. E. Arvidson, D. Blaney, J. Bruckner, P. R. Christensen, D.J. DesMarais, P.A. De Souza Jr., T.E. Economou, A. Ghosh, B.C. Hahn, Kenneth E. Herkenhoff, L.A. Haskin, J.A. Hurowitz, B.L. Joliff, J. R. Johnson, G. Klingelhofer, M.B. Madsen, S. M. McLennan, H.Y. McSween, L. Richter, R. Rieder, D. Rodionov, Laurence A. Soderblom, S. W. Squyres, N.J. Tosca, A. Wang, M. Wyatt, J. Zipfel
2005, Nature (436) 49-54
The mineralogical and elemental compositions of the martian soil are indicators of chemical and physical weathering processes. Using data from the Mars Exploration Rovers, we show that bright dust deposits on opposite sides of the planet are part of a global unit and not dominated by the composition of local...
DUCKS: Low cost thermal monitoring units for near-vent deployment
A. Harris, D. Pirie, K. Horton, H. Garbeil, E. Pilger, H. Ramm, R. Hoblitt, C. Thornber, M. Ripepe, E. Marchetti, P. Poggi
2005, Journal of Volcanology and Geothermal Research (143) 335-360
During 1999 we designed and tested a thermal monitoring system to provide a cheap, robust, modular, real-time system capable of surviving the hostile conditions encountered proximal to active volcanic vents. In November 2000 the first system was deployed at Pu'u...
Recent research on the Chesapeake Bay impact structure, USA - Impact debris and reworked ejecta
J. Wright Horton Jr., John N. Aleinikoff, Michael J. Kunk, Gregory S. Gohn, Lucy E. Edwards, Jean M. Self-Trail, David S. Powars, Glen A. Izett
2005, Book chapter
Four new coreholes in the western annular trough of the buried, late Eocene Chesapeake Bay impact structure provide samples of shocked minerals, cataclastic rocks, possible impact melt, mixed sediments, and damaged microfossils. Parautochthonous Cretaceous sediments show an upward increase in collapse, sand fluidization, and mixed sediment injections. These impact-modified sediments...
Landscape composition, patch size, and distance to edges: Interactions affecting duck reproductive success
David Joseph Horn, Michael L. Phillips, Rolf R. Koford, William R. Clark, Marsha A. Sovada, Raymond J. Greenwood
2005, Ecological Applications (15) 1367-1376
Prairies and other North American grasslands, although highly fragmented, provide breeding habitat for a diverse array of species, including species of tremendous economic and ecological importance. Conservation and management of these species requires some understanding of how reproductive success is affected by edge effects, patch size, and characteristics of the...
Distribution and seasonal abundance of trematode parasites (Trematoda: Allocreadiidae: Crepidostomum spp.) in burrowing mayfly nymphs (Ephemeroptera: Ephemeridae: Hexagenia spp.) from connecting rivers of the Laurentian Great Lakes
Don W. Schloesser
2005, Hydrobiologia (548) 177-189
Burrowing-mayfly nymphs such as Hexagenia spp. have been used extensively in North America and Europe as a biomonitoring tool to indicate mesotrophic water quality, yet infestation by associated parasites has not been well documented. We performed laboratory analysis of archived samples of Hexagenia spp. nymphs collected in 1985 and 1986...
A comparison of hydrographically and optically derived mixed layer depths
D.G. Zawada, J.R.V. Zaneveld, E. Boss, W.D. Gardner, M.J. Richardson, A.V. Mishonov
2005, Journal of Geophysical Research C: Oceans (110) 1-13
Efforts to understand and model the dynamics of the upper ocean would be significantly advanced given the ability to rapidly determine mixed layer depths (MLDs) over large regions. Remote sensing technologies are an ideal choice for achieving this goal. This study addresses the feasibility of estimating MLDs from optical properties....
A comprehensive study on urban true orthorectification
G. Zhou, W. Chen, J.A. Kelmelis, Dongxiao Zhang
2005, IEEE Transactions on Geoscience and Remote Sensing (43) 2138-2147
To provide some advanced technical bases (algorithms and procedures) and experience needed for national large-scale digital orthophoto generation and revision of the Standards for National Large-Scale City Digital Orthophoto in the National Digital Orthophoto Program (NDOP), this paper presents a comprehensive study on theories, algorithms, and methods of large-scale urban...
Crustal rheology of the Himalaya and Southern Tibet inferred from magnetotelluric data
M.J. Unsworth, A.G. Jones, W. Wei, G. Marquis, S.G. Gokarn, J.E. Spratt, P. Bedrosian, J. Booker, C. Leshou, G. Clarke, L. Shenghui, L. Chanhong, D. Ming, J. Sheng, K. Solon, T. Handong, J. Ledo, B. Roberts
2005, Nature (438) 78-81
The Cenozoic collision between the Indian and Asian continents formed the Tibetan plateau, beginning about 70 million years ago. Since this time, at least 1,400 km of convergence has been accommodated by a combination of underthrusting of Indian and Asian lithosphere, crustal shortening, horizontal extrusion and lithospheric delamination. Rocks exposed...
Gulf of Mexico Integrated Science - Tampa Bay Study - Historical and Prehistorical Record of Tampa Bay Environments
Terry Edgar
2005, Open-File Report 2005-1016
To study how Tampa Bay, Florida, has changed over time, the prehistorical conditions and natural variations in the bay environment are being evaluated. These variations can be tracked by examining the sediments that have accumulated in and around the bay. The prehistorical record, which pre-dates settlers' arrival in the Tampa...
Predicting mining activity with parallel genetic algorithms
S. Talaie, R. Leigh, S.J. Louis, G. L. Raines
H.G. Beyer, U.M. O’Reilly, Arnold D. Banzhaf, W. Blum, C. Bonabeau, E.W. Cantu-Paz, E.Dasgupta, and others, editor(s)
2005, Conference Paper, GECCO 2005 - Genetic and Evolutionary Computation Conference
We explore several different techniques in our quest to improve the overall model performance of a genetic algorithm calibrated probabilistic cellular automata. We use the Kappa statistic to measure correlation between ground truth data and data predicted by the model. Within the genetic algorithm, we introduce a new evaluation function...
Cibola High Levee Pond annual report 2004
Gordon A. Mueller, Jeanette Carpenter, Paul C. Marsh
2005, Open-File Report 2005-1075
This represents the fourth and last annual report of a five year study investigating the early life ecology of the bonytail and razorback sucker at Cibola High Levee Pond. The work in 2004 included: telemetry studies, collection of physical water quality measurements, zooplankton samples, netting fish, the collection of scale...
2004 annual progress report: Stratton Sagebrush Hydrology Study Area: Establishment of a long-term research site in a high-elevation sagebrush steppe
Kate Schoenecker, Bob Lange, Mike Calton
2005, Open-File Report 2005-1426
In 2004 the U.S. Geological Survey, Fort Collins Science Center (FORT) and the Bureau of Land Management (BLM), Rawlins Field Office (RFO), began a cooperative effort to reestablish the Stratton Sagebrush Hydrology Study Area (Stratton) as a research location, with the goal of making it a site for long-term research...
The Modular Modeling System (MMS): A toolbox for water- and environmental-resources management
G.H. Leavesley, S.L. Markstrom, Roland J. Viger, L.E. Hay
Moglen G.E., editor(s)
2005, Conference Paper, Proceedings of the 2005 Watershed Management Conference - Managing Watersheds for Human and Natural Impacts: Engineering, Ecological, and Economic Challenges
The increasing complexity of water- and environmental-resource problems require modeling approaches that incorporate knowledge from a broad range of scientific and software disciplines. To address this need, the U.S. Geological Survey (USGS) has developed the Modular Modeling System (MMS). MMS is an integrated system of computer software for model development,...
Carbon sequestration potential estimates with changes in land use and tillage practice in Ohio, USA
Z. Tan, R. Lal
2005, Agriculture, Ecosystems and Environment (111) 140-152
Soil C sequestration through changes in land use and management is one of the important strategies to mitigate the global greenhouse effect. This study was conducted to estimate C sequestration potential of the top 20 cm depth of soil for two scenarios in Ohio, USA: (1) with reforestation of both current...
Impact of geochemical stressors on shallow groundwater quality
Y.-J. An, D.H. Kampbell, S.-W. Jeong, K.P. Jewell, J.R. Masoner
2005, Science of the Total Environment (348) 257-266
Groundwater monitoring wells (about 70 wells) were extensively installed in 28 sites surrounding Lake Texoma, located on the border of Oklahoma and Texas, to assess the impact of geochemical stressors to shallow groundwater quality. The monitoring wells were classified into three groups (residential area, agricultural area, and oil field area)...
Radiogenic 4He as a conservative tracer in buried‐valley aquifers
Stephen J. Van der Hoven, R. Erik Wright, David A. Carstens, Keith C. Hackley
2005, Water Resources Research (41)
The accumulation of 4He in groundwater can be a powerful tool in hydrogeologic investigations. However, the use of 4He often suffers from disagreement or uncertainty related to in situ and external sources of 4He. In situ sources are quantified by several methods, while external sources are often treated as calibration parameters in modeling....
Statistical analysis of water-quality data containing multiple detection limits: S-language software for regression on order statistics
L. Lee, D. Helsel
2005, Computers & Geosciences (31) 1241-1248
Trace contaminants in water, including metals and organics, often are measured at sufficiently low concentrations to be reported only as values below the instrument detection limit. Interpretation of these "less thans" is complicated when multiple detection limits occur. Statistical methods for multiply censored, or multiple-detection limit, datasets have been developed...
Geochemistry of speleothem records from southern Illinois: Development of (234U)/(238U) as a proxy for paleoprecipitation
Juanzuo Zhou, C.C. Lundstrom, B. Fouke, S. Panno, K. Hackley, B. Curry
2005, Chemical Geology (221) 1-20
Natural waters universally show fractionation of uranium series (U-series) parent-daughter pairs, with the disequilibrium between 234U and 238U (234U)/(238U) commonly used as a tracer of groundwater flow. Because speleothems provide a temporal record of geochemical variations in groundwater precipitating calcite, (234U)/(238U) variations in speleothems provide a unique method of investigating...
Specific conductance and water temperature data for San Francisco Bay, California, for Water Year 2004
P.A. Buchanan
2005, Interagency Ecological Program Newsletter (18) 2-6
This article presents time-series graphs of specificconductance and water-temperature data collected in San Francisco Bay during water year 2004 (October 1, 2003, through September 30, 2004). Specific-conductance and water-temperature data were recorded at 15-minute intervals at seven U.S. Geological Survey (USGS) locations (Figure 1, Table 1). Specific-conductance and water-temperature data...
Some geometric constraints on ring-width trend
Richard L. Phipps
2005, Tree-Ring Research (61) 73-76
Simulations of tree rings from trees of undisturbed forest sites are used to describe natural, long-term width trends. Ring-width trends of canopy-sized white oak are simulated from regressions of BAI(ring area) data of real trees. Examples are given of a tree from a typical re-growth forest in Illinois and of a...
Regional economic effects of current and proposed management alternatives for Sand Lake National Wildlife Refuge
Lynne Koontz, Heather Lambert
2005, Open-File Report 2005-1195
The National Wildlife Refuge System Improvement Act of 1997 requires all units of the National Wildlife Refuge System to be managed under a Comprehensive Conservation Plan (CCP). The CCP must describe the desired future conditions of a Refuge and provide long range guidance and management direction to achieve Refuge purposes....
