Publications
Below is a list of the most recent EROS peer-reviewed scientific papers, reports, fact sheets, and other publications. You can search all our publication holdings by type, topic, year, and order.
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Filter Total Items: 2456
Developing index maps of water-harvest potential in Africa
The food security problem in Africa is tied to the small farmer, whose subsistence farming relies heavily on rain-fed agriculture. A dry spell lasting two to three weeks can cause a significant yield reduction. A small-scale irrigation scheme from small-capacity ponds can alleviate this problem. This solution would require a water harvest mechanism at a farm level. In this study, we looked at the
Authors
G.B. Senay, J. P. Verdin
DEM generation and tidal deformation detection for Sulzberger Ice Shelf, West Antarctica using SAR interferometry
In this study we generated a relative Digital Elevation Model (DEM) over the Sulzberger Ice Shelf, West Antarctica using ERS1/2 synthetic aperture radar (SAR) interferometry data. Four repeat pass differential interferograms are used to find the grounding zone and to classify the study area. An interferometrically derived DEM is compared with laser altimetry profile from ICESat. Standard deviation
Authors
S. Baek, Oh-Ig Kwoun, M. Bassler, Z. Lu, C. K. Shum, R. Dietrich
Contemporary carbon dynamics in terrestrial ecosystems in the Southeastern Plains of the United States
Quantifying carbon dynamics over large areas is frequently hindered by the lack of consistent, high-quality, spatially explicit land use and land cover change databases and appropriate modeling techniques. In this paper, we present a generic approach to address some of these challenges. Land cover change information in the Southeastern Plains ecoregion was derived from Landsat data acquired in 197
Authors
S. Liu, Thomas R. Loveland, R.M. Kurtz
Evaluation of land performance in Senegal using multi-temporal NDVI and rainfall series
Time series of rainfall data and normalized difference vegetation index (NDVI) were used to evaluate land cover performance in Senegal, Africa, for the period 1982–1997, including analysis of woodland/forest, agriculture, savanna, and steppe land cover types. A strong relationship exists between annual rainfall and season-integrated NDVI for all of Senegal (r=0.74 to 0.90). For agriculture, savann
Authors
Ji Li, J. Lewis, James Rowland, G. Tappan, L.L. Tieszen
Cross calibration of the Landsat-7 ETM+ and EO-1 ALI sensor
As part of the Earth Observer 1 (EO-1) Mission, the Advanced Land Imager (ALI) demonstrates a potential technological direction for Landsat Data Continuity Missions. To evaluate ALI's capabilities in this role, a cross-calibration methodology has been developed using image pairs from the Landsat-7 (L7) Enhanced Thematic Mapper Plus (ETM+) and EO-1 (ALI) to verify the radiometric calibration of ALI
Authors
G. Chander, D. J. Meyer, D. L. Helder
Landsat-5 TM reflective-band absolute radiometric calibration
The Landsat-5 Thematic Mapper (TM) sensor provides the longest running continuous dataset of moderate spatial resolution remote sensing imagery, dating back to its launch in March 1984. Historically, the radiometric calibration procedure for this imagery used the instrument's response to the Internal Calibrator (IC) on a scene-by-scene basis to determine the gain and offset of each detector. Due t
Authors
G. Chander, D. L. Helder, B. L. Markham, J.D. Dewald, E. Kaita, K. J. Thome, E. Micijevic, T.A. Ruggles
Assessing land cover performance in Senegal, West Africa using 1-km integrated NDVI and local variance analysis
The researchers calculated seasonal integrated normalized difference vegetation index (NDVI) for each of 7 years using a time-series of 1-km data from the Advanced Very High Resolution Radiometer (AVHRR) (1992-93, 1995) and SPOT Vegetation (1998-2001) sensors. We used a local variance technique to identify each pixel as normal or either positively or negatively anomalous when compared to its surro
Authors
M.E. Budde, G. Tappan, James Rowland, J. Lewis, L.L. Tieszen
In-flight validation and recovery of water surface temperature with Landsat-5 thermal infrared data using an automated high-altitude lake validation site at Lake Tahoe
The absolute radiometric accuracy of the thermal infrared band (B6) of the Thematic Mapper (TM) instrument on the Landsat-5 (L5) satellite was assessed over a period of approximately four years using data from the Lake Tahoe automated validation site (California-Nevada). The Lake Tahoe site was established in July 1999, and measurements of the skin and bulk temperature have been made approximately
Authors
S.J. Hook, G. Chander, J. A. Barsi, R.E. Alley, A. Abtahi, Frank Don Palluconi, B. L. Markham, R.C. Richards, S.G. Schladow, D. L. Helder
Sexual differences in the post-breeding movements and habitats selected by Western toads (Bufo boreas) in southeastern Idaho
We used radio-telemetry to study the movements and habitat use of Western toads (Bufo boreas) in the Targhee National Forest in southeastern Idaho. Eighteen toads (10 male and 8 female) that bred in a seasonally flooded pond, were fitted with radio-transmitters, tracked, and their movements mapped and analyzed with global positioning and geographic information systems. We also analyzed their patte
Authors
Paul E. Bartelt, Charles R. Peterson, Robert W. Klaver
Intra-seasonal mapping of CO2 flux in rangelands of northern Kazakhstan at one-kilometer resolution
Algorithms that establish relationships between variables obtained through remote sensing and geographic information system (GIS) technologies are needed to allow the scaling up of site-specific CO2 flux measurements to regional levels. We obtained Bowen ratio-energy balance (BREB) flux tower measurements during the growing seasons of 1998-2000 above a grassland steppe in Kazakhstan. These BREB da
Authors
B.K. Wylie, T.G. Gilmanov, D.A. Johnson, Nicanor Z. Saliendra, K. Akshalov, L.L. Tieszen, B. C. Reed, Emilio Laca
Deformation of the Aniakchak Caldera, Alaska, mapped by InSAR
The deformation of Aniakchak volcano is investigated using 19 ERS-1 / 2 interferometric synthetic aperture radar (InSAR) data from 1992 through 2002. InSAR images from the different time intervals reveal that the10-km-wide caldera has been subsiding during the time of investigation. The pattern of subsidence does not following the pyroclastic flows from the last eruption of the caldera in 1931. Th
Authors
Oh-Ig Kwoun, Z. Lu
Constraining the slip distribution and fault geometry of the Mw 7.9, 3 November 2002, Denali fault earthquake with Interferometric Synthetic Aperture Radar and Global Positioning System data
The Mw 7.9, Denali fault earthquake (DFE) is the largest continental strike-slip earthquake to occur since the development of Interferometric Synthetic Aperture Radar (InSAR). We use five interferograms, constructed using radar images from the Canadian Radarsat-1 satellite, to map the surface deformation at the western end of the fault rupture. Additional geodetic data are provided by displacement
Authors
Tim J. Wright, Z. Lu, Charles Wicks