Geosphere Phenomenon

Several times a year, My NASA Data (MND) selects phenomena in each sphere to showcase NASA-related resources. MND is continuously updating new resources as we are improving our collections. Check back for new Earth System phenomena, related lesson plans, maps & data, and GLOBE resources. Don't forget to visit our Search for access to all resources.




Soil moisture is the water that is held in the spaces between soil particles, generally in the upper 10 cm of soil.  Although soil moisture is just a fraction of the total water mass in the water cycle, this small amount of water plays a critical role in evaporation and plant transpiration proces