News tagged with digital elevation data


NASA, Japan Release Most Complete Topographic Map of Earth

NASA, Japan Release Most Complete Topographic Map of Earth

Space & Earth / Earth Sciences

created Jun 30, 2009 | popularity 4.6 / 5 (7) | comments 1

(PhysOrg.com) -- NASA and Japan released a new digital topographic map of Earth Monday that covers more of our planet than ever before. The map was produced with detailed measurements from NASA's Terra spacecraft.





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GPS helps locate soil erosion pathways

Space & Earth / Environment

created Aug 13, 2009 | popularity 3 / 5 (1) | comments 0

Grassed waterways are placed in agricultural fields where runoff water tends to concentrate because they can substantially reduce soil erosion. Mapping techniques that help identify where erosion channels will likely form ...


Laser Mapping Aids Geologists

Next generation digital maps are laser sharp

Space & Earth / Earth Sciences

created Feb 12, 2009 | popularity 4.3 / 5 (3) | comments 0

Restoring habitat for spawning species of fish, such as Atlantic salmon, starts with a geological inventory of suitable rivers and streams, and the watershed systems that support them. But the high-tech mapping ...


ESA presents Mars in 3D

ESA presents Mars in 3D

Space & Earth / Space Exploration

created Feb 05, 2008 | popularity 3.9 / 5 (9) | comments 0

Mars is about to come into 3D focus as never before, thanks to the data from the Mars Express High Resolution Stereo Camera (HRSC). A new high-resolution Digital Terrain Model data set that has just been released ...


Space Radar Reveals Topography of Tsunami Site

Space Radar Reveals Topography of Tsunami Site

Space & Earth / Earth Sciences

created Oct 02, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Two color-coded perspective views of the Independent State of Samoa (left) and American Samoa (right), generated with digital elevation data from the Shuttle Radar Topography Mission, illustrate ...


Chinese earthquake provides lessons for future

Space & Earth / Earth Sciences

created Jul 21, 2008 | popularity 4.8 / 5 (8) | comments 0

The May 12 Sichuan earthquake in China was unexpectedly large. Analysis of the area, however, now shows that topographic characteristics of the highly mountainous area identified the mountain range as active and could have ...


Friday is last day to apply for digital TV coupon

Technology / Telecom

created Jul 30, 2009 | popularity 4 / 5 (1) | comments 0

(AP) -- The government program that provides $40 coupons for digital TV converter boxes is winding down.


Map Characterizes Active Lakes Below Antarctic Ice

Map Characterizes Active Lakes Below Antarctic Ice (w/ Video)

Space & Earth / Earth Sciences

created Aug 25, 2009 | popularity 4 / 5 (6) | comments 0

(PhysOrg.com) -- Lakes in Antarctica, concealed under miles of ice, require scientists to come up with creative ways to identify and analyze these hidden features. Now, researchers using space-based lasers ...


Web-based innovation improves, eases agricultural terrace design

Space & Earth / Environment

created Sep 22, 2009 | popularity 5 / 5 (1) | comments 0

A new internet-based tool for designing agricultural terraces promises to reduce the considerable labor involved and to optimize design by allowing rapid development of alternative layouts.


The naked truth about our landscape

The naked truth about our landscape

Space & Earth / Earth Sciences

created Oct 01, 2009 | popularity 3.5 / 5 (4) | comments 0

Australia has been stripped bare of vegetation to expose the surface that lies beneath.


Himalayan glacier melting observed from space

Space & Earth / Earth Sciences

created Mar 27, 2007 | popularity 3.3 / 5 (11) | comments 0

The Himalaya, the “Roof of the World”, source of the seven largest rivers of Asia are, like other mountain chains, suffering the effects of global warming. To assess the extent of melting of its 33 000 km2 of glaciers, scientists ...



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