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GISuser Introduction to the new ETM+ SLC-off to SLC-off Gap-filled Product Posted on December 27, 2004 The U.S. Geological Survey (USGS) has completed development of a major
new product enhancement for Landsat 7 Enhanced Thematic Mapper Plus (ETM+) data
captured after the Scan Line Corrector (SLC) anomaly.
A Primer on working with SDTS Data Posted on December 23, 2004 Two digital cartographic products of the U.S. Geological Survey (USGS), Digital Line Graphs (DLG) and Digital Elevation Models (DEM), are available in the Spatial Data Transfer Standard (SDTS) format. The USGS distributes these data sets over the Internet as a means of promoting the standard.
FGDC Suggested State Clearinghouse Websites Posted on November 01, 2004
A fine collection of pointers to State Clearinghouse websites developed by the FDGC. Because there are numerous data directories available from a variety of sources, including here at GISuser.com, we're pleased to offer up yet another directory of resources that may have been missed in the other directories.
Designed to support FEMA's Response and Recovery activities and flood insurance policy marketing initiatives, Q3 Flood Data are typically used in floodplain management, hazard analysis, and risk assessment. The product contains a subset of information derived from paper Flood Insurance Rate Maps (FIRM data). Read on for more about FIRM and Q3 data
A primer on Common GIS Data Formats Posted on September 13, 2004
Spatial data products made available via free download via the Internet
(http, ftp) are found in a variety of common [and uncommon] formats. This
document serves to introduce the user to some of the commonly found data
formats.
Automatic TerraServer Downloads with USAPhotoMaps Posted on June 03, 2004 USAPhotoMaps is an exceptional, free tool developed and distributed by Doug Cox. Use it to automatically retrieve and display TerraServer aerial photos or topographic maps. The program also connects to GPS receivers to display tracks and waypoints or real-time locations
A GISuser Primer on the National Elevation Data Product (NED) Posted on April 23, 2004 The National Elevation Dataset (NED) is a raster data product assembled by the U.S. Geological Survey (USGS). The NED is designed to provide national elevation data in a seamless form with a consistent datum, elevation unit, and projection. Data corrections were made in the NED assembly process to minimize artifacts, permit edge matching, and fill sliver areas of missing data. This focus piece explores the who, what and where of the NED.
GISuser Guide to Accessing Free 2003 TIGER/Line data Posted on April 02, 2004 The US Census Bureau has released the 2003 TIGER/Line files by county or statistically equivalent entity based on the latest available governmental unit boundaries (January 1, 2003). The 2003 TIGER/Line file coverage is as follows: all counties, parishes, boroughs, census areas and equivalent entities for each state, the District of Columbia, Puerto Rico and the Island Areas. (These data were made available March 5, 2004)
NASA Embarks on a Sweeping Airborne Expedition Posted on March 04, 2004 An international team of scientists from NASA and other research institutions has embarked upon a three-week expedition that will take them from the rain forests of Central America to the frigid isolation of Antarctica.
See more threads and details about Glenn's AnyGeo Weblog HERE The Editor (Glenn) started the AnyGeo blog some time ago and the threads are now also mirrored here at GISuser.com - RSS feed is available to add to your favorite news reader.
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The U.S. Geological Survey (USGS) has completed development of a major
new product enhancement for Landsat 7 Enhanced Thematic Mapper Plus (ETM+) data
captured after the Scan Line Corrector (SLC) anomaly.
Two digital cartographic products of the U.S. Geological Survey (USGS), Digital Line Graphs (DLG) and Digital Elevation Models (DEM), are available in the Spatial Data Transfer Standard (SDTS) format. The USGS distributes these data sets over the Internet as a means of promoting the standard.
USAPhotoMaps is an exceptional, free tool developed and distributed by Doug Cox. Use it to automatically retrieve and display TerraServer aerial photos or topographic maps. The program also connects to GPS receivers to display tracks and waypoints or real-time locations
The National Elevation Dataset (NED) is a raster data product assembled by the U.S. Geological Survey (USGS). The NED is designed to provide national elevation data in a seamless form with a consistent datum, elevation unit, and projection. Data corrections were made in the NED assembly process to minimize artifacts, permit edge matching, and fill sliver areas of missing data. This focus piece explores the who, what and where of the NED.
The US Census Bureau has released the 2003 TIGER/Line files by county or statistically equivalent entity based on the latest available governmental unit boundaries (January 1, 2003). The 2003 TIGER/Line file coverage is as follows: all counties, parishes, boroughs, census areas and equivalent entities for each state, the District of Columbia, Puerto Rico and the Island Areas. (These data were made available March 5, 2004)
An international team of scientists from NASA and other research institutions has embarked upon a three-week expedition that will take them from the rain forests of Central America to the frigid isolation of Antarctica.
Data Articles & Free Data Tutorials
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