Journal cover Journal topic
Earth System Science Data The Data Publishing Journal
https://doi.org/10.5194/essd-2017-133
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
 
15 Dec 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Earth System Science Data (ESSD).
LakeSST: Lake Skin Surface Temperatures in French inland water bodies for 1999–2016 from Landsat archives
Jordi Prats1, Nathalie Reynaud1, Delphine Rebière1,3, Tiphaine Peroux1, Thierry Tormos2, and Pierre-Alain Danis2 1UR RECOVER, Pôle AFB-Irstea hydroécologie plans d'eau, Irstea, F-13182, Aix-en-Provence, France
2Agence Française pour la Biodiversité, Pôle AFB-Irstea hydroécologie plans d'eau, F-13182 Aix-en-Provence, France
3CEREMA, Direction Centre-Est, F-63017 Clermont-Ferrand, France
Abstract. The spatial and temporal coverage of the Landsat satellite imagery make it an ideal resource for studies on the long term evolution of lake surface temperature and for geographical studies of temperature patterns. The Lake Skin Surface Temperature (LakeSST) data set contains skin surface temperature data for 442 French water bodies (natural lakes, reservoirs, ponds, gravel pit lakes and quarry lakes) for the period 1999–2016 obtained from the thermal band of Landsat 5 and Landsat 7 archive images. The skin temperature measured by satellites differs slightly from water temperature in the first meters of the water column because of cool skin and warm layer effects. Nevertheless surface temperature parameterizations originally developed for the sea can be used to adjust LakeSST to commonly used lake water temperature, e.g. surface temperature or temperature of the first 1~2 m. Moreover, theoretically small differences are to be expected between the freshwater and seawater case for low wind speeds. In fact, at the reservoir of Bimont, the estimated cool skin effect was about −0.3 ºC and −0.6 ºC most of time, while the warm layer effect at 0.55 m was negligible in average, but could occasionally attain several degrees and a cool layer was often observed in the night. The overall accuracy of the satellite-derived temperature measurements was about 1.5 ºC, similar to other applications of satellite images to estimate freshwater surface temperatures. The LakeSST data are available at https://doi.org/10.5281/zenodo.1041746.

Citation: Prats, J., Reynaud, N., Rebière, D., Peroux, T., Tormos, T., and Danis, P.-A.: LakeSST: Lake Skin Surface Temperatures in French inland water bodies for 1999–2016 from Landsat archives, Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2017-133, in review, 2017.
Jordi Prats et al.
Jordi Prats et al.

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LakeSST: Lake Skin Surface Temperatures in French inland water bodies
J. Prats, N. Reynaud, T. Tormos, and P.-A. Danis
https://doi.org/10.5281/zenodo.1041746
Jordi Prats et al.

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Short summary
Satellites provide useful data to study environmental geographic patterns and long term trends. We used thermal measurements made by the satellites Landsat 5 and Landsat 7 to create the LakeSST data set. It contains surface temperature data for 442 French water bodies (natural lakes, reservoirs, ponds, gravel pit lakes and quarry lakes) for 1999–2016. This data, with an accuracy of about 1.5 ºC, will allow a better monitoring and study of the thermal behaviour of freshwater bodies.
Satellites provide useful data to study environmental geographic patterns and long term trends....
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