Galileo observations of Post-Imbrium lunar craters during the first Earth-Moon flyby
Alfred S. McEwen, Lisa R. Gaddis, Gerhard Neukum, Harald Hoffman, Carle M. Pieters, James W. Head
1993, Journal of Geophysical Research E: Planets (98)
Copernican‐age craters are among the most conspicuous features seen on the far side and western limb of the Moon in the Galileo multispectral images acquired in December 1990. Among the new morphologic observations of far‐side craters are bright rays, continuous ejecta deposits, and dark rings associated with probable impact‐melt veneers....
Upper crustal densities derived from sea floor gravity measurements: Northern Juan De Fuca Ridge
Mark L. Holmes, H. Paul Johnson
1993, Geophysical Research Letters (20) 1871-1874
A transect of sea floor gravity stations has been analyzed to determine upper crustal densities on the Endeavour segment of the northern Juan de Fuca Ridge. Data were obtained using ALVIN along a corridor perpendicular to the axis of spreading, over crustal ages from 0 to 800,000 years. Calculated elevation...
A Fast Fourier transform stochastic analysis of the contaminant transport problem
F.W. Deng, J.H. Cushman, J.W. Delleur
1993, Water Resources Research (29) 3241-3247
A three-dimensional stochastic analysis of the contaminant transport problem is developed in the spirit of Naff (1990). The new derivation is more general and simpler than previous analysis. The fast Fourier transformation is used extensively to obtain numerical estimates of the mean concentration and various spatial moments. Data from both...
Biomonitoring environmental contamination with pipping black-crowned night heron embryos: Induction of cytochrome P450
Barnett A. Rattner, M. J. Melancon, T. W. Custer, R. L. Hothem, Kirk A. King, L. J. LeCaptain, J. W. Spann, Bruce R. Woodin, John J. Stegeman
1993, Environmental Toxicology and Chemistry (12) 1719-1732
Cytochrome P450-associated monooxygenase activities and cytochrome P450 proteins were measured in pipping black-crowned night heron (Nycticorax nycticorax) embryos collected from a reference site (next to the Chincoteague National Wildlife Refuge, VA) and three polluted sites (Cat Island, Green Bay, Lake Michigan, WI; Bair Island, San Francisco Bay, CA; West Marin...
Quantitative analysis of Ostracoda and water masses around Japan: Application to Pliocene and Pleistocene paleoceanography
Noriyuki Ikeya, Thomas M. Cronin
1993, Micropaleontology (39) 263-281
An ostracode data base consisting of 273 samples from coretops and comprising 226 species was developed for the seas around the Japanese Islands to determine zoogeographic patterns and for application to Pliocene and Pleistocene paleoceanography in the area. Quantitative analyses of the 59 most common taxa between 0 and 300m...
Application of electromagnetic logging to contamination investigations in glacial sand-and-gravel aquifers
John H. Williams, Wayne W. Lapham, Thomas H. Barringer
1993, Groundwater Monitoring & Remediation (13) 129-138
Electromagnetic (EM) logging provides an efficient method for high‐resolution, vertical delineation of electrically conductive contamination in glacial sand‐and‐gravel aquifers. LM. gamma, and lithologic logs and specific conductance data from sand‐and‐gravel aquifers at five sites in the northeastern United States were analyzed to define the relation of KM conductivity...
Analysis of urban regions using AVHRR thermal infrared data
Bruce Wright
1993, Pecora 12 Symposium 568-568
Using 1-km AVHRR satellite data, relative temperature difference caused by conductivity and inertia were used to distinguish urban and non urban land covers. AVHRR data that were composited on a biweekly basis and distributed by the EROS Data Center in Sioux Falls, South Dakota, were used for the classification...
Status of the Landsat thematic mapper and multispectral scanner archive conversion system
Darla J. Werner
1993, Pecora 12 Symposium 560-562
The U.S. Geological Survey's EROS Data Center (EDC) manages the National Satellite Land Remote Sensing Data Archive. This archive includes Landsat thematic mapper (TM) multispectral scanner (MSS) data acquired since 1972. The Landsat archive is an important resource to global change research. To ensure long-term availability of Landsat data...
History of greenness mapping at the EROS data center
Carolyn Van Beek, Richard Vandersnick
1993, Pecora 12 Symposium 559-559
In 1987, the U.S. Geological Survey's EROS Data Center (EDC)installed a system to acquire, process, and distribute advanced very high resolution radiometer (AVHRR) satellite image data collected over North America. Using this system, the EDC began an experimental greenness mapping program as part of the U.S. Agency for the...
A practical implementation for a data dictionary in an environment of diverse data sets
Karla K. Sprenger, Dana M. Larsen
1993, Pecora 12 Symposium 554-554
The need for a data dictionary database at the U.S. Geological Survey's EROS Data Center (EDC) was reinforced with the Earth Observing System Data and Information System (EOSDIS) requirement for consistent field definitions of data sets residing at more than one archive center. The EDC requirement addresses the existence...
CD-ROM technology at the EROS data center
Michael E. Madigan, Mary C. Weinheimer
1993, Pecora 12 Symposium 526-526
The vast amount of digital spatial data often required by a single user has created a demand for media alternatives to 1/2" magnetic tape. One such medium that has been recently adopted at the U.S. Geological Survey's EROS Data Center is the compact disc (CD). CD's are a...
Twenty years of Landsat data accessible through the national satellite land remote sensing data archive
Dana M. Larsen
1993, Pecora 12 Symposium 525-525
The EROS Data Center has managed to National Satellite Land Remote Sensing Data Archive's (NSLRSDA) Landsat data since 1972. The NSLRSDA includes Landsat MSS data from 1972 through 1991 and T M data from 1982 through 1993. In response to many requests from multi-disciplined users for an enhanced...
"Relative CIR": an image enhancement and visualization technique
Michael D. Fleming
1993, Pecora 12 Symposium 493-493
Many techniques exist to spectrally and spatially enhance digital multispectral scanner data. One technique enhances an image while keeping the colors as they would appear in a color-infrared (CIR) image. This "relative CIR" technique generates an image that is both spectrally and spatially enhanced, while displaying a maximum...
Development of a graphical user interface for the global land information system (GLIS)
Susan R. Alstad, David A. Jackson
1993, Pecora 12 Symposium 489-489
The process of developing a Motif Graphical User Interface for the Global Land Information System (GLIS) involved incorporating user requirements, in-house visual and functional design requirements, and Open Software Foundation (OSF) Motif style guide standards. Motif user interface windows have been developed using the software to support Motif window...
Integration of environmental simulation models with satellite remote sensing and geographic information systems technologies: case studies
Louis T. Steyaert, Thomas R. Loveland, Jesslyn F. Brown, Bradley C. Reed
1993, Pecora 12 Symposium 407-417
Environmental modelers are testing and evaluating a prototype land cover characteristics database for the conterminous United States developed by the EROS Data Center of the U.S. Geological Survey and the University of Nebraska Center for Advanced Land Management Information Technologies. This database was developed from multi temporal, 1-kilometer advanced...
An evaluation of atmospheric corrections to advanced very high resolution radiometer data
David Meyer, Joy J. Hood
1993, Pecora 12 Symposium 397-403
A data set compiled to analyze vegetation indices is used to evaluate the effect of atmospheric correction to AVHRR measurement in the solar spectrum. Such corrections include cloud screening and "clear sky" corrections. We used the "clouds from AVHRR" (CLAVR) method for cloud detection and evaluated its performance...
An innovative partnership for national environmental assessment
D.M. Shaw, D.W. Field, T. M. Holm, M.D. Jennings, J. A. Sturdevant, G.P. Thelin, L.D. Worthy
1993, Pecora 12 Symposium 339-339
Four federal environmental programs: EMAP (USEPA), GAP (USFWS), C-CAP (NOAA), NAWQA (USGS) have formed a partnership with EROS Data Center (USGS) to facilitate the development of baseline land characteristics information for the conterminous U.S. Each of the respective programs brings to the group unique experience and expertise. Despite...
A temporal comparison of forest cover using digital earth science data and visualization techniques
John W. Jones
1993, Pecora 12 Symposium 301-309
Increased demands on forest resources and the recognition of old-growth forests as critical habitats and purifiers of the atmosphere have stimulated attention to forest harvest practices in the United States and worldwide. Visualization technology provides a means by which a history of forestry activities may be documented and presented...
Availability of Earth observations data from the U.S. Geological Survey's EROS data center
Thomas M. Holm, William C. Draeger, Ronald R. Risty
1993, Pecora 12 Symposium 273-277
For decades federal and state agencies have been collecting regional, continental, and global Earth observations data acquired by satellites, aircraft, and other information-gathering systems. These data include photographic and digital remotely sensed images of the Earth's surface, as well as earth science, cartographic, and geographic data. Since 1973,...
Raster profile development for the spatial data transfer standard
John A. Szemraj
1993, Pecora 12 Symposium 267-272
The Spatial Data Transfer Standard (SDTS), recently approved as Federal Information Processing Standard (FIPS) Publication 173, is designed to transfer various types of spatial data. Implementing all of the standard's options at one time is impractical. Profiles, or limited subsets of the SDTS, are the mechanisms by which...
Processing techniques for global land 1-km AVHRR data
Jeffery C. Eidenshink, Daniel R. Steinwand, Charles E. Wivell, Douglas M. Hollaren, David Meyer
1993, Pecora 12 Symposium 214-222
The U.S. Geological Survey's (USGS) Earth Resources Observation Systems (EROS) Data Center (EDC) in cooperation with several international science organizations has developed techniques for processing daily Advanced Very High Resolution Radiometer (AVHRR) 1-km data of the entire global land surface. These techniques include orbital stitching, geometric rectification, radiometric calibration,...
Identifying high production, low production and degraded rangelands in Senegal with normalized difference vegetation index data
G. Gray Tappan, Lynette Wood, Donald G. Moore
1993, Pecora 12 Symposium 176-184
Seasonal herbaceous vegetation production on Senegal's native rangelands exhibits high spatial and temporal variability. This variability can be monitored using normalized difference vegetation index (NDVI) data computed from 1-km resolution Advanced Very High Resolution Radiometer (AVHRR) image data. Although annual fluctuations in rainfall account for some of the variability,...
Identification of requirements and sources for global digital topographic data
Dean B. Gesch
1993, Pecora 12 Symposium 35-44
Many of the physical processes being studied by global change researchers are affects by land surface topography and consequently topographic data are an important requirement for these investigations. Remotely sensed data, especially those that will be collected by the instruments of the Earth Observing System, require significant correction to...
The U.S. Geological Survey side-looking airborne radar database: an aid to the interpretation of space images
Allan N. Kover, James W. Schoonmaker Jr.
1993, Pecora 12 Symposium 523-524
The U.S. Geological Survey (USGS) has a database of side-looking airborne radar (SLAR) images of a significant part of the continental United States. These images provide a regional view of terrains and should be an aid to better understanding image data of satellite synthetic aperture radar (SAR) and other...
Factors affecting the geochemistry of a thick, subbituminous coal bed in the Powder River Basin: Volcanic, detrital, and peat-forming processes
Sharon S. Crowley, Leslie F. Ruppert, Harvey E. Belkin, R.W. Stanton, T.A. Moore
1993, Organic Geochemistry (20) 843-853
The inorganic geochemistry and mineralogy of three cores from the Anderson-Dietz 1 coal bed, a 15.2-m-thick subbituminous coal bed in the Tongue River Member (Paleocene) of the Fort Union Formation, were examined (1) to determine if the cores could be correlated by geochemical composition alone over a total distance of...
