Mountain ranges worldwide are experiencing unprecedented changes in their hydrology, including timing and amount of water discharge, snowpack, precipitation amount and phase, radiation, aerosols, clouds, and land-cover characteristics. Together and separately, these changes are a result of some combination of atmospheric, surface, and subsurface processes and point to the need to for process studies, observations, and longitudinal and long-term analyses. They also highlight the need for investigations that are vertically integrated from the sub-surface through the atmosphere. Integrated mountainous hydrology requires extending atmospheric science investigations below the surface and conversely extending sub-surface and surface science investigations into the atmosphere.

Submissions are welcome that use observations ranging from the field scale, including the U.S. Department of Energy’s Surface Atmosphere Integrated field Laboratory (SAIL), NOAA’s Study of Precipitation, the Lower Atmosphere and Surface for Hydrometeorology (SPLASH), and/or NSF’s Sublimation of Snow (SOS) campaigns. Submissions are also welcome that use remote sensing to develop deeper scientific understanding and improved modeling of mountainous hydrology and its change, either for short- and medium-term forecasting or long-term projections. The use of vertically-integrated data and methods to gain insights into and make substantial progress on persistent challenges for predicting change in mountainous systems are particularly encouraged.

Submitters: Daniel Feldman, LBNL, Berkeley, CA; Ethan D. Gutmann, NCAR, Boulder, CO and Mimi R. Hughes, ESRL/Physical Sciences Laboratory, NOAA, Boulder, CO

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