Sentences with phrase «digital elevation»

It used digital elevation model data, digital image processing and GIS software.

We conclude that the ice sheet surface is efficiently drained under optimal conditions, that digital elevation models alone can not fully describe supraglacial drainage and its connection to subglacial systems, and that predicting outflow from climate models alone, without recognition of subglacial processes, may overestimate true meltwater release from the ice sheet.

We build high resolution digital elevation models (DEMs) of coastal regions throughout the United States and its territories integrating topographic and bathymetric elevation data.

To account for the limited vertical resolution of the employed SRTM30 digital elevation model (multiples of 1 m), we assumed that population distribution within elevation increments is homogeneous.

Winter accumulation and summer ablation balance maps are constructed annually for each glacier using large scale digital elevation models for each glacier.

PCIC's PRISM climatologies use observations of temperature and precipitation from thousands of stations in BC and integrate other sources of information, including digital elevation data, snow data, upper atmosphere climatologies, glacier inventories, and local and expert knowledge in order create a climatology of the province at a scale of 800 metres, for the period of 1971 — 2000.

3D view in wxNVIZ — GRASS GIS 7 The 25m European Digital Elevation Model (EU - DEM, Version 1) is a Digital Surface Model (DSM) representing the first surface as illuminated by the sensors:

The laser altimeter data were extracted for different types of glacier surfaces derived from the Landsat data and compared with the digital elevation model to obtain elevation differences over time.

Topographic data was taken from the Shuttle Radar Topography Mission Digital Elevation Model prepared by CIAT, the International Center for Tropical Agriculture.

NASA Earth Observatory staff made the image by draping an ASTER image over a digital elevation model produced from ASTER stereo data.

A new digital elevation model shows Kilimanjaro's glaciers are shrinking.

Here at SkyTruth, we are always looking for new ways to visualize the environmental impact of human activity, so we've been playing with LiDAR (Light Detection and Ranging) data and digital elevation models (DEMs).

The range maps, which we refer to as TJM1 range maps, are the intersection of the elevation limits and the subregion polygon using a widely used digital elevation model [62].

The U.S. Geological Survey qualifies map data according to the level at which it has been checked and corroborated, such as their Digital Elevation Maps.

The shuttle radar topography mission — a new class of digital elevation models acquired by spaceborne radar.

These smoke signals are actually digital elevation models generated using a technology called lidar, which stands for Light Detection and Ranging.

Collins A, Wilson T. Glaciated scoria cones as climate and erosion indicators: morphometric analysis of Erebus Volcanic Province, Antarctica, using high - resolution digital elevation data.

Improving digital elevation models over ice sheets using AVHRR - based photoclinometry.

ASTER data is used to create detailed maps of land surface temperature, reflectance, and elevation.ASTER captures high spatial resolution data in 14 bands, from the visible to the thermal infrared wavelengths, and provides stereo viewing capability for digital elevation model creation.

Intro to the acquisition, visualization, and interpretation of airborne LiDAR - derived digital elevation models October 17 - 18, 2009 Portland State University, Portland, OR, USA Geological Society of America Short Course

This false colour image was put together by geologists at the Jet Propulsion Laboratory in Pasadena, California, combining data gathered by a remote sensing instrument known as TIMS, Thermal Infrared Multispectral Scanner, with a digital elevation model.

The study establishes a method for estimating UHI intensities using PRISM — Parameter - elevation Relationships on Independent Slopes Model — climate data, an analytical model that creates gridded estimates by incorporating climatic variables (temperature and precipitation), expert knowledge of climatic events (rain shadows, temperature inversions and coastal regimes) and digital elevation.

Further observations will be used to refine the global map, to construct local and regional digital elevation models for scientific analysis and aid in assessment of future landing sites, and to attempt to detect and characterize global - scale seasonal variations.

The researchers then turn it into digital elevation maps with a resolution of 2 meters.

Not exact matches

Upthere had previously raised $ 77 million in venture funding from investors including KPCB, Western Digital Ventures, Floodgate, Elevation Partners, GV, NTT Docomo Ventures and Square 1 Bank.

Mr. Frederick D. Anderson, Jr. serves as an Independent Director of the Company., Mr. Anderson serves as a Managing Director of NextEquity Partners, a firm he co-founded in July 2015, and Elevation Partners, a firm he co-founded in July 2004, focusing on venture and private equity investments in technology and digital media companies.

Because many of the images overlapped and contained readily identifiable landmarks (such as footprints, labeled in leftmost image), the team could use sophisticated software to stitch 12 of the digital files together to create a single 45 - meter - long 3D model of the site (left and center; colors in center panel represent elevations from low [blue] to high [red]-RRB-.

Using the photos, recorded by the then Danish National Cadastre and Survey (now the Danish Geodata Agency, GST), the researchers have pieced together a digital reconstruction of the past and present elevations of the Greenland ice sheet.

Digital Fuel Injection enhances throttle response and automatically adjusts for changes in temperature and elevation for optimum performance in a wide range of environments

To make its engine performances even better, Kawasaki added a digital fuel - injection system which offers automatic elevation compensation, automatic idle adjustment and easy, choke - free starting via a sophisticated array of sensors for inlet air pressure, throttle position, crankshaft position, rpm, and water temperature.

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Years ago, in Canada, the broadcasting company I used to work for required digital terrain elevation data to calculate «coverage patterns» of TV / radio transmissions.