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Sea Level Deluxe for NASA World Wind
posted by Satri
on Thursday November 01, @11:10AM
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from the don't-put-your-head-in-the-water dept.
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from the don't-put-your-head-in-the-water dept.
blueheeler writes "PanglossTech has released Sea Level Deluxe for NASA World Wind. This add-on displays high resolution bathymetric/topographic maps of Earth's sea level, ranging from the last ice age to the potential melting of the polar ice sheets. It identifies low-lying cities and coastal flood zones at greatest risk from rising sea levels, storm surges, etc. PanglossTech also provides many free terrestrial and planetary data layers for World Wind.
Sea Level Deluxe includes shaded relief maps at 10 meter sea level intervals from 120 meters below the present value (~18-20,000 years ago) to 80 meters higher, the estimated level that would accompany complete melting of the ice fields in Greenland and Antarctica. Corresponding contours are provided for these same datasets.
Image layers are provided that depict low-lying coastal regions subject to flooding from rising sea levels, storm surges and other causes.
Over half of the world's cities with a million or more occupants lie less than 80 meters above sea level. These cities may be represented with different combinations of names and icons.
Several basic administrative map layers are included to facilitate creation of presentation-quality graphic and video displays.
These data layers may be combined with one another or with compatible layers built into World Wind or prepared by other developers." See also this previous story on modeling sea level change in NWW and GE.
Related Stories
Modeling Sea Level Change in Nasa World Wind and Google Earth 3 comments
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There's two simultaneous entries about modeling sea level change by Digital Geography, one with NASA World Wind and the other using Google Earth. From the NWW post: "I was interested in testing the Global Flood plugin for World Wind and am pleased to say that it worked very well, though not at the zoom level required for the lesson I describe here. [...] However, if the object of the lesson is to look at the impacts of sea level change on a regional scale, then World Wind is an improvement on the Google Earth technique, and the level of flooding can be controlled by a simple slider."
Minimum Sea Ice Comparison
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st_0x0ef writes "NASA’s Goddard Space Flight Center has produced some animations showing the ice loss in the Arctic Sea. The change over the last 30 years is pretty impressive. The 2007 Arctic summer sea ice reached the lowest extent of perennial ice cover on record — nearly 25% less than the previous low set in 2005. The area of the perennial ice has been steadily decreasing since the satellite record began in 1979, at a rate of about 10% per decade. But the 2007 minimum, reached on September 14, is far below the previous record made in 2005 and is about 38% lower than the climatological average. Such a dramatic loss has implications for ecology, climate and industry."
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