Community Blogs

Have you ever wondered how the SMAP satellite, with an altitude of 685 km (425 miles) above the Earth, can take measurements as precise as the amount of water in the Earth's soil? The quick answer is that it requires precisely calibrated instruments, along with a technological marvel in satellite design. SMAP was designed to use a combination of two precise instruments, one with high resolution, one with high accuracy. THE INSTRUMENTS: Active (High Resolution): SMAP’s radar was designed accurately measure the echoes of very short radio frequency (RF) pulses that bounce ...

Weekly Report 1: 10/1/15 - 10/15/15 This report contains two weeks of data collection due to the beginning of the campaign on October 1, 2015: Volumetric Soil Moisture Measurements = 19 Participating Sites = 4 Schools Submitting Data: Shumate Middle School - Michigan - 8 data counts Ramey School - Puerto Rico -7 data counts The University of Toledo -Ohio - 2 data counts Thomas Edison Energy/Smart Charter School - New Jersey - 2 data counts Congratulations to those schools for getting a great start. Let's get more schools participating! Brian