Terrestrial snow

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Abstract

Satellite remote sensing of key parameters characterizing terrestrial snow cover, including snow extent, depth, water equivalent, snowmelt patterns, and seasonal snow dynamics (timing of accumulation onset, melt onset, disappearance, and length of snow season), have been presented. Data from optical infrared sensors (e.g., MODIS and AVHRR), passive microwave radiometers (e.g., SSM/I and, in the recent past, AMSR-E), and active microwave scatterometers (e.g., QSCAT) are used to measure snow parameters from local to regional and global scales on a daily to weekly basis. Techniques to blend different snow products into a single user-friendly global product are under development. Furthermore, different signatures corresponding to different scattering and attenuation regimes are identified based on snow physics. Such information will be valuable in the development of future satellite missions for global snow measurements, such as the Cold Regions Hydrology High-resolution Observatory (CoReH2O) Mission (Rott et al., 2007) and the Snow and Cold Land Processes (SCLP) Mission (National Research Council, 2007).

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Nghiem, S. V., Hall, D. K., Foster, J. L., & Neumann, G. (2014). Terrestrial snow. In Encyclopedia of Earth Sciences Series (pp. 821–830). Springer Netherlands. https://doi.org/10.1007/978-0-387-36699-9_171

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