Archive for the ‘Uncategorized’ Category
Wednesday, February 15th, 2012
New estimates published this week in the online edition of the journal of Nature reports that Alaska glaciers have been shedding about 46 billion tons of ice each year, making America’s Arctic state the world’s single biggest contributor to glacier-fed sea level rise outside of Greenland or Antarctica. Still, Alaska remains a wee player in the global ice frappe, producing only about 8.5 percent of the world’s annual glacier shrinkage of 526 billion tons, according to the study, led by a team at the University of Colorado at Boulder.
Alaska glaciers are losing 46 billion tons of ice each year
– Alaska Dispatch
Monday, February 13th, 2012
The National Oceanic and Atmospheric Administration’s (NOAA) Center for Climate Prediction holds a monthly drought briefing by teleconference to identify the latest drought areas in North America, according to Don Comis of the USDA Agricultural Research Service (ARS). ARS scientists, Martha Anderson and Bill Kustas, are hoping that in a year or so, data from their computer model/satellite package will give evapotranspiration (ET) maps a seat at that briefing.
Friday, February 10th, 2012
In GeoEye’s gallery are numerous high resolution images of locations across the globe. The Eastern Algerian portion of the Sahara is an otherworldly place, a region of great diversity with endless stretches of sand dunes and rocky platforms that can reach more than 2,000 meters. The Tassili n’Ajjer “Plateau of the Rivers” National Park is a vast plateau in southeast Algeria at the borders of Libya, Niger, and Mali, covering 72,000 square kilometers. Satellite Image Courtesy of GeoEye
Thursday, February 9th, 2012
John Snow created a map of a cholera outbreak in the district of Soho, London in 1854, which helped to convince authorities that the disease was caused by water ( in particular, it originated from one pump in Broad Street). The CartoDB platform allows you to map data and develop location aware applications very easily. This example of John Snow’s Cholera Map of London presented with CartoDB demonstrates how CartoDB can quickly combine different data types, then display them on a map.
Tuesday, February 7th, 2012
President Obama’s closing words to young scientists at today’s Science Fair held at the White House: “I’m proud of you. Keep up the good work. And don’t let any of those robots wander too far.”
Tuesday, February 7th, 2012
Mladen Stojic, vice president Geospatial, Intergraph, talked about their new Live Link product which integrates Intergraph GeoMedia objects into ERDAS IMAGINE. Intergraph is a wholly owned subsidiary of Hexagon acquired in 2011. What this product offers is what customers have been asking for – an integrated approach to desktop workflows, combining the desktop GIS capability of GeoMedia integrated with the raster remote sensing and image processing capabilities of ERDAS IMAGINE.
Friday, February 3rd, 2012
Scholars are having trouble measuring the world’s largest cities – largely because the terms the cities are measured by differ from place to place. They have come up with a total of 30 largest cities in the world.
Richard Greene, associate professor of geography at Northern Illinois University in the United States, says even the most authoritative list, from the UN, “compares apples with pears”.
Thursday, February 2nd, 2012
For those who have made any changes to the default raster type, you will probably want to save your changes. This way you can re-use your custom raster type if you want to load additional raster data with the same properties and functions.
To save your custom raster type, click on the General tab. At the bottom of this tab, you will see a Save As button. Click the Save As button, and save it in the location where you keep all your custom raster types.