Country-wide flood monitoring service: methods, applications, and functionalities

Edyta Woźniak; Marta Milczarek; Ewa Gromny; Marek Ruciński; Milena Cudak; Michał Krupiński; Małgorzata Jenerowicz-Sanikowska; Jakub Ryzenko; Marcin Krupiński

doi:10.1117/12.2684443

17 October 2023 Country-wide flood monitoring service: methods, applications, and functionalities

Edyta Woźniak, Marta Milczarek, Ewa Gromny, Marek Ruciński, Milena Cudak, Michał Krupiński, Małgorzata Jenerowicz-Sanikowska, Jakub Ryzenko, Marcin Krupiński

Author Affiliations +

Proceedings Volume 12727, Remote Sensing for Agriculture, Ecosystems, and Hydrology XXV; 127270A (2023) https://doi.org/10.1117/12.2684443
Event: SPIE Remote Sensing, 2023, Amsterdam, Netherlands

Abstract

The country-wide monitoring service generates CBK-Floods product, which provides the current surface water cover over Poland. The automatic detection algorithm has been developed. It uses Copernicus Sentinel-1 radar satellite images as well as proposed improved model of valleys derived from fusion of various data sources (e.g., Copernicus Riparian Zones, LIDAR, flood hazard zones). The overall accuracy of the algorithm is around 86%. The map is updated after each pass of the satellite and shows different stages of inundation: new water extent, areas with long-lasting water and those from which water has receded in the last days. Two kinds of information are generated: (1) flood water extent; and (2) hydroperiod regime. Information about flood water extent is of critical importance for rescue and crisis management activities. Availability of recent water cover maps can support rapid situational assessment and influence decision processes taken in regional and local crisis management centers during flood. Information about hydroperiod regime allows the proper management of water needed for agriculture and can be an indicator of the state of ecosystems present in the valley. In 2022 service worked in pre-operational mode and produced a series of surface water maps for the entire Poland. In 2023 service will go into operational mode. The water extent maps will be available to visualize in the Sat4Envi Crisis Management Portal and downloadable from its repository. In this paper, we aim to present the data processing chain applied in the flood monitoring system, including the surface water detection method and the way of visualizing the final product. We present the limitations of the service based on satellite radar data and give examples of the use of flood products.

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(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Edyta Woźniak, Marta Milczarek, Ewa Gromny, Marek Ruciński, Milena Cudak, Michał Krupiński, Małgorzata Jenerowicz-Sanikowska, Jakub Ryzenko, and Marcin Krupiński "Country-wide flood monitoring service: methods, applications, and functionalities", Proc. SPIE 12727, Remote Sensing for Agriculture, Ecosystems, and Hydrology XXV, 127270A (17 October 2023); https://doi.org/10.1117/12.2684443

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