Daily Archives: April 17, 2008

A Clearer Picture of Global Warming

Continuous GPS stations in Greenland could improve our understanding of melting ice sheets. Earth signs: A one-meter tall station (above) was installed last Thursday near Ilulissat to measure how much the earth’s crust rebounds as the ice sheet melts. Such … Continue reading

Posted in Global Warming, GPS | 1 Comment

Electromagnetic Spectrum: Transmittance, Absorptance, and Reflectance

Any beam of photons from some source passing through medium 1 (usually air) that impinges upon an object or target (medium 2) will experience one or more reactions that are summarized in this diagram: Some objects are capable of transmitting … Continue reading

Posted in Remote Sensing 101 | Tagged | Leave a comment