Data Availability, Information Quality, Accountability...

Declassify old satellite imagery

In 1995, historical satellite imagery collected by the Corona satellite program between 1959 and 1972 was declassified (http://www.nro.gov/corona/facts.html), and made available for purchase, through the USGS (http://bit.ly/aNowjB) or can be accessed by visiting the National Archives. The imagery has been invaluable for use in environmental research, measuring changes over the past decades, among other purposes. (http://bit.ly/9rTLVn) ...more »

Submitted by (@filbertk)

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Data Availability, Information Quality, Accountability...

Satellite imagery access during disasters

High resolution satellite imagery is normally produced by commercial companies such as Digital Globe, and the government licenses and gets access to the imagery. These companies make imagery freely available to non-governmental organizations through the Space Disaster Charter, during disasters. In case of the Haiti earthquake, such was the case, though the process was ad-hoc for the OpenStreetMap project to obtain access. ...more »

Submitted by (@filbertk)

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