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Reservoir assessment tool 2.0: Stakeholder driven improvements to satellite remote sensing based reservoir monitoring

The Reservoir Assessment Tool (RAT) framework was developed to monitor reservoir operations globally, using hydrological modeling and satellite observations. With feedback from stakeholders, improvements in the RAT framework are demonstrated in this study using the Mekong River Basin as an example.

Thanapon Piman, Uttam Ghimire / Published on 27 September 2022

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Citation

Das P., Hossain F., Khan S., Biswas N. K., Lee H., Piman T., Meechaiya C., Ghimire U., Hosen K. Reservoir Assessment Tool 2.0: Stakeholder driven improvements to satellite remote sensing based reservoir monitoring. Environmental Modelling & Software (2022). https://doi.org/10.1016/j.envsoft.2022.105533.

In light of the rapidly increasing regulation of rivers due to planned and constructed reservoirs, monitoring reservoir operations has become very crucial. A novel multi-sensor reservoir area mapping technique was developed using complementary strengths of optical and SAR sensors at a 1–5 day temporal resolution, allowing the quantification of sub-weekly reservoir operations. Additionally, the skill of radar altimeters in the RAT framework was tested using the Jason-3 altimeter. Using in-situ data from three Thai reservoirs in the Mekong Basin, consistent improvements were observed as compared to the original RAT framework. A functionality for visualizing forecasted outflow was also added using historically inferred reservoir operations or stakeholder-driven target storage expectations.

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SEI authors

Thanapon Piman
Thanapon Piman

Senior Research Fellow

SEI Asia

Profile picture of Uttam Ghimire
Uttam Ghimire

Research Associate

SEI Asia

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Topics and subtopics
Water : Water resources, Planning and modelling
Related centres
SEI Asia

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