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: 2646
A guide for the use of digital elevation model data for making soil surveys A guide for the use of digital elevation model data for making soil surveys
The intent of this publication is twofold: (1) to serve as a user guide for soil scientists and others interested in learning about the value and use of digital elevation model (DEM) data in making soil surveys and (2) to provide documentation of the Soil Landscape Analysis Project (SLAP). This publication provides a step-by-step guide on how digital slope-class maps are adjusted to...
Authors
A. A. Klingebiel, Emil H. Horvath, William U. Reybold, D. G. Moore, E. A. Fosnight, Thomas R. Loveland
Nowitna National Wildlife Refuge land cover mapping project user's guide Nowitna National Wildlife Refuge land cover mapping project user's guide
Title III of the Alaska National Interest Lands Conservation Act of 1980 (ANILCA 1980) established the Nowitna National Wildlife Refuge (NNWR). Section 304 of the Act requires the Secretary of Interior to "prepare, and from time to time revise, a comprehensive conservation plan" for the refuge.
Authors
Carl J. Markon
Conversion of Cartesian coordinates from and to Generalized Balanced Ternary addresses Conversion of Cartesian coordinates from and to Generalized Balanced Ternary addresses
Hexagonal grids have several advantages over square grids, such as a greater angular resolution and unambiguous connectivity. The Generalized Balanced Ternary (GBT) system is a spatial addressing method for hexagonal grids in which the hexagons are arranged in hierarchical aggregates, and which accommodates vector operations in GBT space. Efficient algorithms for converting Cartesian...
Authors
Jan W. van Roessel
An integrated approach for automated cover-type mapping of large inaccessible areas in Alaska An integrated approach for automated cover-type mapping of large inaccessible areas in Alaska
The lack of any detailed cover type maps in the state necessitated that a rapid and accurate approach to be employed to develop maps for 329 million acres of Alaska within a seven-year period. This goal has been addressed by using an integrated approach to computer-aided analysis which combines efficient use of field data with the only consistent statewide spatial data sets available...
Authors
Michael D. Fleming
Using GIS to evaluate map data Using GIS to evaluate map data
No abstract available.
Authors
Michael E. Madigan, J. A. Sturdevant, C.A. Roberts
Selected annotated bibliographies for adaptive filtering of digital image data Selected annotated bibliographies for adaptive filtering of digital image data
Digital spatial filtering is an important tool both for enhancing the information content of satellite image data and for implementing cosmetic effects which make the imagery more interpretable and appealing to the eye. Spatial filtering is a context-dependent operation that alters the gray level of a pixel by computing a weighted average formed from the gray level values of other pixels...
Authors
Margaret Mayers, Lynnette Wood
Landsat-assisted vegetation mapping of Innoko National Wildlife Refuge, Alaska Landsat-assisted vegetation mapping of Innoko National Wildlife Refuge, Alaska
No abstract available.
Authors
Stephen S. Talbot, Carl Markon
Methods and applications in surface depression analysis Methods and applications in surface depression analysis
Gridded surface data sets are often incorporated into digital data bases, but extracting information from the data sets requires specialized raster processing techniques different from those historically used on remotely sensed and thematic data. Frequently, the information desired of a gridded surface is directly related to the topologic peaks and pits of the surface. A method for...
Authors
Susan K. Jenson, Charles M. Trautwein
An algorithm for locating candidate labelling boxes within a polygon An algorithm for locating candidate labelling boxes within a polygon
Vector-based geographic information systems usually require annotation, such as a polygon number or attribute data, in a suitable location within a polygon. Traditional methods usually compute the polygon centroid, test the centroid for inclusion or exclusion, and select some alternative point when the centroid falls outside the polygon. Two problems are associated with this approach: (1...
Authors
Jan W. van Roessel
Yukon Flats National Wildlife Refuge land cover mapping project user's guide Yukon Flats National Wildlife Refuge land cover mapping project user's guide
Title III of the Alaska National Interest Lands Conservation Act (ANILCA, 1980) established the Yukon Flats National Wildlife Refuge (YFNWR). Section 304 of the Act requires the Secretary of Interior to "prepare, and from time to time revise, a comprehensive conservation plan" for the refuge. Before developing a plan for the refuge, the Secretary shall "identify and describe--a) the...
Authors
Carl J. Markon
Small-scale soil maps in the United States as prototypes for handling soils in a global geographic information system Small-scale soil maps in the United States as prototypes for handling soils in a global geographic information system
No abstract available.
Authors
Norman B. Bliss, William U. Reybold
Processing and analysis of commercial satellite image data of the nuclear accident at Chernobyl, U.S.S.R. Processing and analysis of commercial satellite image data of the nuclear accident at Chernobyl, U.S.S.R.
No abstract available.
Authors
Franklin G. Sadowski, Steven J. Covington, Joy J. Hood, David Meyer, John L. Dwyer, Wayne A. Miller