Despite snow’s unique importance to the global Earth system, no single satellite-borne sensor has been demonstrated to accurately measure all of the planet’s snow water equivalent. Seasonal snow cover is the largest single component of the cryosphere in areal extent, covering an average of 46 million km2 of Earth's surface (31% of land area) each year, and is thus an important expression of and forcing of the Earth’s climate. In recent years, Northern Hemisphere snow cover has been decl...| snow.nasa.gov
The NASA Science Mission Directorate (SMD) Science Activation (SciAct) program is a competitively-selected network of collaborative projects that seek to| NASA Science