Flood Hazard Assessment Using Weather Radar Data in Athens, Greece
Weather radar plays a critical role in flash flood forecasting, providing an effective and comprehensive guide for the identification of possible flood-prone areas. However, the utilization of radar precipitation data remains limited in current research and applications, particularly in addressing f...
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MDPI AG
2024-12-01
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| Series: | Remote Sensing |
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| author | Apollon Bournas Evangelos Baltas |
| author_facet | Apollon Bournas Evangelos Baltas |
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| description | Weather radar plays a critical role in flash flood forecasting, providing an effective and comprehensive guide for the identification of possible flood-prone areas. However, the utilization of radar precipitation data remains limited in current research and applications, particularly in addressing flash flood hazards in complex environments such as in Athens, Greece. To address this gap, this study introduces the Gridded Flash Flood Guidance (GFFG) method, a short-term flash flood forecasting and warning technology based on radar precipitation and hydrological model coupling, and implements it in the region of Athens, Greece. The GFFG system improves upon the traditional flash flood guidance (FFG) concept by better integrating the weather radar dataset’s spatial and temporal flexibility, leading to increased resolution results. Results from six flood events underscore its ability to identify high-risk areas dynamically, with urban regions frequently flagged for flooding unless initial soil moisture conditions are low. Moreover, the sensitivity analysis of the system showed that the most crucial parameter apart from rainfall input is the soil moisture conditions, which define the amount of effective rainfall. This study highlights the significance of incorporating radar precipitation and real-time soil moisture assessments to improve flood prediction accuracy and provide valuable flood risk assessments. |
| format | Article |
| id | doaj-art-83d5e25f06a34998a344f4b87fe0aca0 |
| institution | Kabale University |
| issn | 2072-4292 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
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| series | Remote Sensing |
| spelling | doaj-art-83d5e25f06a34998a344f4b87fe0aca02025-01-10T13:20:08ZengMDPI AGRemote Sensing2072-42922024-12-011717210.3390/rs17010072Flood Hazard Assessment Using Weather Radar Data in Athens, GreeceApollon Bournas0Evangelos Baltas1Department of Water Resources and Environmental Engineering, School of Civil Engineering, National Technical University of Athens, 5 Iroon Polytechniou, 157 80 Athens, GreeceDepartment of Water Resources and Environmental Engineering, School of Civil Engineering, National Technical University of Athens, 5 Iroon Polytechniou, 157 80 Athens, GreeceWeather radar plays a critical role in flash flood forecasting, providing an effective and comprehensive guide for the identification of possible flood-prone areas. However, the utilization of radar precipitation data remains limited in current research and applications, particularly in addressing flash flood hazards in complex environments such as in Athens, Greece. To address this gap, this study introduces the Gridded Flash Flood Guidance (GFFG) method, a short-term flash flood forecasting and warning technology based on radar precipitation and hydrological model coupling, and implements it in the region of Athens, Greece. The GFFG system improves upon the traditional flash flood guidance (FFG) concept by better integrating the weather radar dataset’s spatial and temporal flexibility, leading to increased resolution results. Results from six flood events underscore its ability to identify high-risk areas dynamically, with urban regions frequently flagged for flooding unless initial soil moisture conditions are low. Moreover, the sensitivity analysis of the system showed that the most crucial parameter apart from rainfall input is the soil moisture conditions, which define the amount of effective rainfall. This study highlights the significance of incorporating radar precipitation and real-time soil moisture assessments to improve flood prediction accuracy and provide valuable flood risk assessments.https://www.mdpi.com/2072-4292/17/1/72flood hazardgridded flash flood guidancesoil moisture conditionsweather radarFFGAthens |
| spellingShingle | Apollon Bournas Evangelos Baltas Flood Hazard Assessment Using Weather Radar Data in Athens, Greece Remote Sensing flood hazard gridded flash flood guidance soil moisture conditions weather radar FFG Athens |
| title | Flood Hazard Assessment Using Weather Radar Data in Athens, Greece |
| title_full | Flood Hazard Assessment Using Weather Radar Data in Athens, Greece |
| title_fullStr | Flood Hazard Assessment Using Weather Radar Data in Athens, Greece |
| title_full_unstemmed | Flood Hazard Assessment Using Weather Radar Data in Athens, Greece |
| title_short | Flood Hazard Assessment Using Weather Radar Data in Athens, Greece |
| title_sort | flood hazard assessment using weather radar data in athens greece |
| topic | flood hazard gridded flash flood guidance soil moisture conditions weather radar FFG Athens |
| url | https://www.mdpi.com/2072-4292/17/1/72 |
| work_keys_str_mv | AT apollonbournas floodhazardassessmentusingweatherradardatainathensgreece AT evangelosbaltas floodhazardassessmentusingweatherradardatainathensgreece |