These are topics related to specific datasets. Relevant topics are links to datasets that other members can obtain, descriptions of data used in a case study or methodology, or other questions and discussion about specific datasets.
Satellite Imaging Corporation provides archived and new high resolution satellite images, vector data extracted from orthorectified satellite image data, digital elevation models (DEM) from stereo satellite images, elevation contours, and various GIS data layers for land areas around the world.
Due to licensing costs, satellite image data are not free.
Users need to complete an online form to request a quote for archived or new satellite image data that will be acquired for a predefined area of interest (AOI). An AOI is defined by the latitude and longitude coordinates for the top left and bottom right corners of the requested image.
A site to view and purchase high resolution satellite images. For example, DigitalGlobe maintains the largest sub-meter constellation of satellites, including QuickBird, WorldView-1, WorldView-2, IKONOS and GeoEye-1. IKONOS can collect panchromatic and multispectral imagery which can be merged to create 0.82-meter color pan-sharpened imagery. QuickBird is a 60 cm, 4-band color satellite, and is capable of collecting multispectral and panchromatic imagery.
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