Posts Currently viewing the tag: "Earth Observation"

This astronaut photograph features two of China’s most populous cities—Beijing and Tianjin—both in the northeastern part of the country near the Bohai Gulf. The United Nations estimated the 2010 population of the Beijing metropolitan area to be approximately 12 million, with the population of Tianjin estimated at more than 7 million. The…(Read More)

City lights at night are a fairly reliable indicator of where people live. But this isn’t always the case, and the Korean Peninsula shows why. As of July 2012, South Korea’s population was estimated at roughly 49 million people, and North Korea’s population was estimated at about half that number. But where…(Read More)

Early on the morning of February 22, 2013, the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite captured this nighttime view of heavy snow over the United States. In many towns and cities, more than 30 centimeters of snow fell. Kansas bore the brunt of the storm, with as much as 56…(Read More)

This Envisat Image Features The Largest Island In The Persian Gulf: Iran’s Qeshm Island. The image was created by combining three Envisat radar images from 2009 (7 May, 29 October and 3 December) over the same area. The colours result from changes in the surface between acquisitions.This long thin island lies just a…(Read More)

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