Project

Between 2012 and 2015, California suffered from the highest water drought since recordings started in this state.

Up to 2/3 of its water resources are coming from the Sierra Nevada snowpack. Understanding the effect of the droughts on the mountain snowpack is crucial.

 

 

manual_measurement

Historically, the study of mountain hydrology and the water cycle has been largely observational, with variables extrapolated from a few infrequent manual measurements. Low-power wireless mesh networking technology has evolved significantly over recent years. With this technology, a node is the size of a deck of cards, is self-contained and battery-operated. When switched on, nodes form a multi-hop low-power wireless network, automatically.

Next-generation hydrologic science and monitoring requires real-time, spatially distributed measurements of key variables including: soil moisture, air/soil temperature, snow depth, and air relative humidity.

 

 

 

Sensor StationsThe SnowHow project provides these measurements by deploying low-power mesh networks across the California Sierra Nevada. Off-the-shelf commercial solutions are available today which offer >99.999% end-to-end data reliability and a decade of battery lifetime. A new wireless network can be deployed in a couple of hours and report sensor data minutes after it was measured.

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