🛰 Satellite(s)Jason- 1, Jason- 2, Jason- 3, Topex/Poseidon, Landsat ETM+. | 📊 Monitoring elementWater surface height and water surface reflectance. | ||||
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🧰 Description techniqueSichangi et al. (2017) utilised a combination of satellite altimetry, optical data (Landsat ETM+) and a bathymetry map to monitor the volumetric fluctuation of an inland water body/lake. | 📏 Accuracy / ResolutionSpatial resolution: 100m, due to the resolution of the bathymetric raster map. | ||||
🗺 Case studyLake Victoria (part of Kenya, Tanzania and Uganda) with an area of c. 68,800 km2, largest tropical lake in the world and second largest freshwater lake. | |||||
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Publication references📚 Sichangi A, Makokha G. 2017. Monitoring water depth, surface area and volume changes in Lake Victoria: integrating the bathymetry map and remote sensing data during 1993–2016. Modeling Earth Systems and Environment. 3. doi:10.1007/s40808-017-0311-2. 🔗 https://link.springer.com/article/10.1007/s40808-017-0311-2 | |||||
Other comments or informationOther imagery sources/upcoming missions (e.g., Jason-3, Jason CS, Sentinel-3a and b, and SWOT) will likely increase the multiple data sources therefore densifying the time series observations. | |||||
Other references📚 Schwatke C, Dettmering D, Bosch W, Seitz F (2015) DAHITI—an innovative approach for estimating water level time series over inland waters using multi-mission satellite altimetry. Hydrol Earth Syst Sci 19:4345–4364. doi:10.5194/hess-19-4345-2015 🔗 https://hess.copernicus.org/articles/19/4345/2015/ 📚 Crétaux JF, Abarca-del-Río R, Bergé-Nguyen M, Arsen A, Drolon V, Clos G, Maisongrande P. 2016. Lake Volume Monitoring from Space. Surveys in Geophysics. 37(2):269-305. doi:10.1007/s10712-016-9362-6. 🔗 https://doi.orglink.springer.com/article/10.1007/s107121007%2Fs10712-016-9362-6 📚 Kleinherenbrink, M., Lindenbergh, R.C., Ditmar, P.G., 2015. Monitoring of lake level changes on the Tibetan Plateau and Tian Shan by retracking Cryosat SARIn waveforms. J. Hydrol. 521, 119–131. doi:10.1016/j.jhydrol.2014.11.063. 📚 Nielsen, K., Stenseng, L., Andersen, O.B., Knudsen, P., 2017. The performance and potentials of the CryoSat-2 SAR and SARIn modes for Lake level estimation. Water 9, 374. doi:10.3390/w9060374. 📚 Villadsen, H., Deng, X., Andersen, O.B., Stenseng, L., Nielsen, K., Knudsen, P., 2016. Improved inland water levels from SAR altimetry using novel empirical and physical retrackers. J. Hydrol. 537, 234–247. doi: 10.1016/j.jhydrol.2016.03.051. |
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