Monthly Archives: February 2011
New satellite imagery available from our partners at GeoEye.
High Resolution Imagery of Christchurch was taken on Thursday, February 24th from the GeoEye-1 satellite. Some parts are covered in clouds but substantial portions of the central business district are clearly visible. Remember to turn the layer on and off to compare it with our previous imagery, which is from March 2009…
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Salas y Gómez has revealed some of its secrets, but also raised some questions. We conducted three dives today in quite difficult conditions. The swell was large and when we were doing our shallow work, it moved us up and down as though we were in a washing machine.
Our first dive was at a reef off the southeast corner of the island. We spotted this site because of the tremendous waves breaking on top of it. (You can actually see the break in the high-resolution satellite imagery of the island on Google Earth and GeoEye obtained for the expedition.)
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During the crisis in Egypt, third-party Geo developers helped the international community understand the situation and keep persons affected by the crisis safe through the use of innovative new tools. These same tools can be replicated by anyone in any crisis situation. In the developer examples below, three things jump out as particularly striking: How quickly these maps were built and put into action, some within hours of the first protests; how developers (many contributing independently) from all over the world worked together to get these maps up and running; and how geo-context has become extremely important for the international community in understanding and responding to any crisis, be it natural or man-made.
GeoEye Tahrir Square Imagery. The imagery above is of Tahrir Square on January 29, 2011 at around 10:30am local time from more than 400 miles above. This imagery is exclusively viewable in Google Earth (and the Earth API) using the historical imagery tool. The imagery highlights GeoEye‘s stunning ability to respond to world events and capture timely imagery…
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Check out GeoEye‘s high resolution imagery in the 2011 and 2010 GeoEye Calendar and HAWX2 Video Game Galleries on our newly created Facebook Fan Page. Images include: the Burj Khalifa, Takla Makan Desert, Grand Prismatic Spring in Yellowstone National Park, Ferrari World Abu Dhabi, the Canary Islands, and Jet fighters battling it out above dramatic mountainous terrain in Tom Clancy’s HAWX2 to name a few. While you are there, become a fan of GeoEye on Facebook!
View the imagery on GeoEye Facebook Fan Page
Custom Processing. GeoEye‘s custom processing services provide products derived from IKONOS and OrbView-3 imagery designed to meet specialized client needs. These services use a variety of Commercial Off-the-Shelf (COTS) software and proprietary utilities, including ArcGIS, Erdas Imagine, and SocetSet.
Frequent requests include file formatting for Geo and Ortho products and custom tiling based on a tonally adjusted orthomosaic. All support files, such as metadata, headers, world files, Shapefiles (usually component), and JPEGs, are updated or re-generated to reflect any changes made to the base product. Files are named using standard conventions, but file-naming conventions can be changed based on need…
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Check out an Ocean Eddy off Krait Bay, Australia. Eddies form when a bend in the ocean current separates and makes a loop. In the Southern Hemisphere, cold water eddies rotate clockwise and warm water eddies rotate counterclockwise. The size of eddies and their rings vary as do their lifetimes—lasting between a month to over a year. Eddies are usually detected with ocean temperature and current instruments, but can also be detected by sight as in this image. GeoEye-1 .50-meter resolution collected 10 April 2009.
View the high resolution imagery