These new Cropland Data Layer products, which are derived from satellite image observations at 30-meter (0.22 acres per pixel) resolution, help users visualize U. S. crop planted area during the last calendar year. Three earth observing satellites were used for the production of this product, including; the newly launched Landsat 8, and Disaster Monitoring Constellation’s Deimos-1 and UK2.
NASS developed CropScape in cooperation with the Center for Spatial Information Science and Systems at George Mason University in Fairfax, Va. This tool is available online.
STELLA: A DIY Handheld Scientific Instrument
If you are looking for a do-it-yourself (DIY) handheld spectrometer, you need to meet STELLA. STELLA (Science and Technology Education for Land/Life Assessment) is a portable scientific instrument developed by