Western Geographic Science Center

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August 30, 2012

PubTalk 8/2012 — Global Food Security in the 21st Century

--the increasing need for food production, cropland areas, and agricultural water

by Prasad Thenkabail, Research Geographer

  • Worldwide demand for food will require more than one billion hectares of new cropland to feed 9 billion plus people by 2050
  • Presently, of all the water used by humans over 70% goes towards
...
Image of Mount Adams with grassland and trees
December 31, 2011

Mount Adams, WA

A photograph of Mount Adams, Washington. This image was taken as part of the Land Cover Trends Project field varification for land cover data. 

November 18, 2010

PubTalk 11/2010 — Silicon, Software, and Science

Monitoring the Earth's Landscape with Low-Cost High-Tech

by Rian Bogle, Remote Sensing Specialist

 

  • The USGS is one of the world's largest providers of remote sensing data, employing the best tools and techniques to expand our knowledge of the Earth.
  • Working with low-cost field and aerial imaging technologies,
...
Image: Obtaining a Dredge Sample
April 17, 2009

Obtaining a Dredge Sample

Barbara Martin about to collect a sediment sample for selenium analysis. Sample collected from the agricultural drain Trifolium 19 on the southwest side of the Salton Sea, CA.

A map of ShakeOut scenario shaking in southern California
December 31, 2008

A map of ShakeOut scenario shaking in southern California

A map of ShakeOut scenario shaking in southern California.

Picture of a mountain range  with hay field and forest in foreground
September 23, 2008

Mountain range with hay field and forest in foreground in Colorado

Mountain range in the background, forest and hay field in the foreground.  The picture was taken in Colorado during a field trip for the Land Cover Trends project.

Landscape photo of mountain and forest with residential housing in a valley
June 17, 2008

Landscape in Washington state with forest, mountain, and houses

A landscape photograph of a valley with a mountain in the background. The valley consists of forests and residential housing.

Picture of a pine forest with a dirt road in Oregon
June 17, 2008

A pine forest with a dirt road running through it in Oregon

A pine forest with a dirt road running through it in Oregon. Photo taken as a part of field work during the Land Cover Trends project.

Cow in field
March 28, 2008

Cattle on rangeland on Mission Peak, near Fremont, CA.

Cattle on rangeland on Mission Peak, near Fremont, California, in the San Francisco Bay area. David Amme, California Native Grasslands Association.

Image: Salton Sea Sunset
October 1, 2006

Salton Sea Sunset

Sunset on the southeast side of the Salton Sea, CA.

California vineyard
July 3, 2006

California vineyard

A photo of a California (ecoregion 6) grape vine taken during field verifcation of Land Cover Trends project.

Photo of a fallow field with exurban development in the background
May 1, 2006

Fallow field with exurban development in the background in CA

Fallow field with exurban development in the background in California. This photo was taken for the Trends Landcover project during field work.