Multi-Mission Remote Sensing Observations for Optimizing Hydrological Hazard Predictions

Cécile M. M. Kittel, Daniel Druce, Karina Nielsen, Peter Bauer-Gottwein, Christian Tottrup

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    Satellite remote sensing observations offer unique possibilities to monitor, understand and predict hydrological hazards, particularly in ungauged catchments. In this study, we use state-of-the-art multi-mission remote sensing observations to update a hydrological model of the poorly instrumented Ogooué river in Gabon. We use a conceptual rainfall-runoff model forced with satellite-based climate observations; and calibrate the model parameters using an aggregated objective function including Sentinel-3 satellite altimetry and GRACE/GRACE-FO total water storage. The model is used to evaluate flood risk in combination with Sentinel-1 water surface extent and flood occurrence maps and to simulate the potential impact of climate change on the rainfall-runoff processes in the catchment.
    Original languageEnglish
    Title of host publicationProceedings of 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS
    PublisherIEEE
    Publication date2021
    Pages451-454
    ISBN (Print)978-1-6654-0369-6
    DOIs
    Publication statusPublished - 2021
    Event2021 IEEE International Geoscience and Remote Sensing Symposium - Brussels, Belgium
    Duration: 11 Jul 202116 Jul 2021
    https://ieeexplore.ieee.org/xpl/conhome/9553015/proceeding

    Conference

    Conference2021 IEEE International Geoscience and Remote Sensing Symposium
    Country/TerritoryBelgium
    CityBrussels
    Period11/07/202116/07/2021
    Internet address
    SeriesIEEE International Geoscience and Remote Sensing Symposium Proceedings
    ISSN2153-6996

    Keywords

    • Flood
    • Catchment hydrology
    • Surface water extent
    • Water surface elevation
    • Altimetry

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