Operational application of NOAA–AVHRR data for mapping lake surface temperatures in an alpine environment: feasibilty and validation

David C. Oesch; Adrian B. Hauser; Stefan Wunderle

doi:10.1117/12.511091

24 February 2004 Operational application of NOAA-AVHRR data for mapping lake surface temperatures in an alpine environment: feasibilty and validation

David C. Oesch, Adrian B. Hauser, Stefan Wunderle

Author Affiliations +

Proceedings Volume 5232, Remote Sensing for Agriculture, Ecosystems, and Hydrology V; (2004) https://doi.org/10.1117/12.511091
Event: Remote Sensing, 2003, Barcelona, Spain

Abstract

Lake surface water temperature (LSWT) are operationally derived from the National Oceanic and Atmospheric Administration operated Advanced Very High Resolution Radiometer (NOAA - AVHRR) data using a nonlinear sea surface temperature (NLSST) algorithm. The adapted method has been widely examined with the bias of the algorithm around 0.5°C or better. Preliminary analysis shows good agreement between satellite derived LSWT and in - situ measurements at two different lakes. A comparison of LSWT at noon (mean local time) for three lakes is presented. Surface water temperature variations are dominating the annual cycle, however, the varying geospatial attributes of each lake result in specific surface temperature characteristics. Lakes located close to each other can display considerable differences in average surface temperatures by as much as 3°C. Knowledge of this fact gives new insights and possibilities for modeling local scale meteorological phenomena like heat flux, energy budget and evapotranspiration. Using operational satellite-derived lake surface temperature can also improve numerical weather prediction models on local scales.

Citation Download Citation

David C. Oesch, Adrian B. Hauser, and Stefan Wunderle "Operational application of NOAA-AVHRR data for mapping lake surface temperatures in an alpine environment: feasibilty and validation", Proc. SPIE 5232, Remote Sensing for Agriculture, Ecosystems, and Hydrology V, (24 February 2004); https://doi.org/10.1117/12.511091

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