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Filter Total Items: 84
Year Published: 2013

Spatial Relation Predicates in Topographic Feature Semantics

Topographic data are designed and widely used for base maps of diverse applications, yet the power of these information sources largely relies on the interpretive skills of map readers and relational database expert users once the data are in map or geographic information system (GIS) form. Advances in geospatial semantic technology offer data...

Varanka, Dalia E.; Caro, Holly K.

Year Published: 2013

Rejuvenating Pre-GPS era geophysical surveys using The National Map

Old geophysical surveys [pre–Global Positioning System (GPS)] stand as valuable, largely untapped sources of scientific data. If data from these surveys were in a format that had reasonable accuracy, availability, and ease of access, they could be more widely used. In this paper, a pre-GPS survey is integrated into a modern geographic database, in...

Finn, Michael P.; Shoberg, Thomas G.; Stoddard, Paul
Rejuvenating Pre-GPS era geophysical surveys using The National Map; 2013; Article; Journal; Journal of Surveying Engineering; Finn, Michael P;Shoberg, Thomas G;Paul Stoddard

Year Published: 2012

Lidar base specification

In late 2009, a $14.3 million allocation from the “American Recovery and Reinvestment Act” for new light detection and ranging (lidar) elevation data prompted the U.S. Geological Survey (USGS) National Geospatial Program (NGP) to develop a common base specification for all lidar data acquired for The National Map. Released as a draft in 2010 and...

Heidemann, Hans Karl
Heidemann, Hans Karl, 2014, Lidar base specification (ver. 1.2, November 2014): U.S. Geological Survey Techniques and Methods, book 11, chap. B4, 67 p. with appendixes, http://dx.doi.org/10.3133/tm11B4.

Year Published: 2012

Digital Mapping Techniques '10-Workshop Proceedings, Sacramento, California, May 16-19, 2010

The Digital Mapping Techniques '10 (DMT'10) workshop was attended by 110 technical experts from 40 agencies, universities, and private companies, including representatives from 19 State geological surveys (see Appendix A). This workshop, hosted by the California Geological Survey, May 16-19, 2010, in Sacramento, California, was similar in nature...

Soller, David R.; Soller, David R.
Digital Mapping Techniques '10-Workshop Proceedings, Sacramento, California, May 16-19, 2010; 2012; OFR; 2012-1171; Edited by Soller, David R.

Year Published: 2012

Introduction to geospatial semantics and technology workshop handbook

The workshop is a tutorial on introductory geospatial semantics with hands-on exercises using standard Web browsers. The workshop is divided into two sections, general semantics on the Web and specific examples of geospatial semantics using data from The National Map of the U.S. Geological Survey and the Open Ontology Repository. The general...

Varanka, Dalia E.
Introduction to geospatial semantics and technology workshop handbook; 2012; OFR; 2012-1109; Varanka, Dalia E.

Year Published: 2012

Core Science Systems--Mission overview

The Core Science Systems Mission Area delivers nationally focused Earth systems and information science that provides fundamental research and data that underpins all Mission Areas of the USGS, the USGS Science Strategy, and Presidential, Secretarial, and societal priorities. —Kevin T. Gallagher, Associate Director, Core Science Systems The...

Gallagher, Kevin T.
Core Science Systems--Mission overview; 2012; FS; 2012-3009; Gallagher, Kevin T.

Year Published: 2012

User's guide for mapIMG 3--Map image re-projection software package

Version 0.0 (1995), Dan Steinwand, U.S. Geological Survey (USGS)/Earth Resources Observation Systems (EROS) Data Center (EDC)--Version 0.0 was a command line version for UNIX that required four arguments: the input metadata, the output metadata, the input data file, and the output destination path. Version 1.0 (2003), Stephen Posch and Michael P....

Finn, Michael P.; Mattli, David M.
User's guide for mapIMG 3--Map image re-projection software package; 2012; OFR; 2011-1306; Finn, Michael P.; Mattli, David M.

Year Published: 2012

The use of U.S. Geological Survey digital geospatial data products for science research

The development of geographic information system (GIS) transformed the practice of geographic science research. The availability of low-cost, reliable data by the U.S. Geological Survey (USGS) supported the advance of GIS in the early stages of the transition to digital technology. To estimate the extent of the scientific use of USGS digital...

Varanka, Dalia E.; Deering, Carol; Caro, Holly

Year Published: 2011

Remote sensing of soil moisture using airborne hyperspectral data

Landscape assessment of soil moisture is critical to understanding the hydrological cycle at the regional scale and in broad-scale studies of biophysical processes affected by global climate changes in temperature and precipitation. Traditional efforts to measure soil moisture have been principally restricted to in situ measurements, so...

Finn, Michael P.; Lewis, Mark (David); Bosch, David D.; Giraldo, Mario; Yamamoto, Kristina H.; Sullivan, Dana G.; Kincaid, Russell; Luna, Ronaldo; Allam, Gopala Krishna; Kvien, Craig; Williams, Michael S.

Year Published: 2011

Topographic mapping data semantics through data conversion and enhancement: Chapter 7

This paper presents research on the semantics of topographic data for triples and ontologies to blend the capabilities of the Semantic Web and The National Map of the U.S. Geological Survey. Automated conversion of relational topographic data of several geographic sample areas to the triple data model standard resulted in relatively poor semantic...

Edited by Ashish, Naveen; Sheth, Amit P.; Varanka, Dalia; Carter, Jonathan; Usery, E. Lynn; Shoberg, Thomas
Topographic mapping data semantics through data conversion and enhancement: Chapter 7; 2011; Book chapter; English; Geospatial semantics and the semantic web; Varanka, Dalia; Carter, Jonathan; Usery, E. Lynn; Shoberg, Thomas

Year Published: 2011

US Topo - a new national map deries

In the second half of the 20th century, the foundation of the U.S. Geological Survey's national map series was the handcrafted 7.5-minute topographic map. Times change, budgets get squeezed and currency expectations become ever more challenging. The USGS's Larry Moore, who oversees data production operations at two National Geospatial Technical...

Moore, Laurence R.
US Topo - a new national map deries; 2011; Article; Journal; Directions Magazine; Moore, Laurence R.

Year Published: 2011

Digital Mapping Techniques '09-Workshop Proceedings, Morgantown, West Virginia, May 10-13, 2009

The Digital Mapping Techniques '09 (DMT'09) workshop was attended by 90 technical experts from 42 agencies, universities, and private companies, including representatives from 24 State geological surveys. This workshop, the thirteenth in the annual series, was hosted by the West Virginia Geological and Economic Survey, May 10-13, 2009, on the West...

Soller, David R.
Digital Mapping Techniques '09-Workshop Proceedings, Morgantown, West Virginia, May 10-13, 2009; 2011; OFR; 2010-1335; Soller, David R.

Filter Total Items: 141
Potash
April 17, 2017

For more than two decades, researchers, geologists, and investors had no idea they were standing above tremendous wealth. Thousands of feet deep beneath the surface of western Michigan, a potential multibillion-dollar potash deposit was discovered. Potash—a mineral salt containing high levels of potassium—is an ingredient in fertilizer essential for growing crops.

Screen shot, example of The National Map YouTube Video: The US Interagency Elevation Inventory.
March 30, 2017

More than two dozen short videos on mastering USGS geospatial tools now available

Screen shot of streams near the Dillon Reservoir, Frisco, CO on imagery basemap
March 27, 2017

The U.S. Geological Survey releases a new tile cached map service for hydrography

Doug Nebert getting ready to lift off in a private plane, his other lifelong passion (undated photo).
March 14, 2017

Calling for nominations to honor outstanding accomplishments to the spatial data infrastructure mission of the Department of Interior

Map portraying FY17 Lidar Partnership awards
March 14, 2017

Collaboration funding continues to move the 3D Elevation Program forward

Pan-Arctic Map of Thermokarst
March 6, 2017

Geospatial data – a tool for better informed decisions and more efficient administration of the Arctic.

Screen shot of the new TNMCorps map editor homepage
February 9, 2017

Participation in The National Map Corps made easier for citizen scientists.

High Resolution Orthoimagery coverage map on The National Map
February 8, 2017

The USGS announces the sunset of National Map High Resolution Orthoimagery Data and Service

Dr. Christian Zimmerman, USGS Alaska Science Center Director
February 1, 2017

The U.S. Geological Survey is pleased to announce the selection of Dr. Christian Zimmerman as the new director of their Alaska Science Center in Anchorage, Alaska. Zimmerman succeeds Dr. Mark Shasby who held the position for the past six years.

Maps Made with Light Show the Way
January 23, 2017

The topic, officially, was water. But during a scientific conference in Butte, Montana, in 2013, earthquake expert Michael Stickney glimpsed something unexpected in a three-dimensional lidar image of the Bitterroot Valley in nearby Missoula.

Lakefront Airport, LA - A member of the 514th Aeromedical Evacuation Squadron and two New Orleans Paramedics
November 29, 2016

USGS has many partnerships, both foreign and domestic, that enhance our science capabilities, provide needed support to others, and expand our ability to serve the global community.  One little-known partnership that serves both foreign and domestic needs is the USGS science support to the U.S. Department of Defense (DOD) - U.S. Northern Command (USNORTHCOM).