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Use of Sentinel-1 imagery for flood management in a reservoir-regulated river basin

PERROU, T. ; GARIOUD, A. ; PARCHARIDIS, I.

Frontiers of earth science, 2018-09, Vol.12 (3), p.506-520 [Periódico revisado por pares]

Beijing: Higher Education Press

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Título:
Use of Sentinel-1 imagery for flood management in a reservoir-regulated river basin
Autor: PERROU, T. ; GARIOUD, A. ; PARCHARIDIS, I.
Assuntos: Archives & records ; binary images ; Data processing ; Downstream ; Drainage management ; Earth and Environmental Science ; Earth Sciences ; Engineering Sciences ; Environmental Engineering ; Environmental monitoring ; Environmental risk ; Environmental Sciences ; Flood control ; Flood hazards ; Flood insurance ; Flood irrigation ; Flood management ; Flood mapping ; Flood protection ; Flood risk ; Floods ; Geography ; Humanities and Social Sciences ; Hydrometeorology ; Imagery ; Irrigation ; Irrigation water ; Lakes ; Mapping ; Meteorological data ; Moisture content ; multitemporal image ; Radar imaging ; Remote sensing ; Research Article ; Reservoirs ; Risk management ; river basin ; River basins ; Rivers ; SAR ; SAR (radar) ; Sentinel-1 ; Signal and Image processing ; Strymon ; Synthetic aperture radar ; Tributaries ; Volume transport ; Water content ; Water flow ; Water level fluctuations ; Water levels ; Water management
É parte de: Frontiers of earth science, 2018-09, Vol.12 (3), p.506-520
Notas: binary images
multitemporal image
Document received on :2017-07-17
SAR
Sentinel-1
flood mapping
river basin
Document accepted on :2018-03-30
Descrição: Flood hazard monitoring and mapping is of great importance because it represents a significant contribution to risk management. The present study investigated the flood event that occurred downstream from the transboundary Strymon River basin, more specifically at Serres basin-a reservoir-regulated basin, in the beginning of 2015. The focus of this study was to better understand the spatio-temporal dynamic of the flood and the causes that initiated the hazard. Within the Serres basin, the Strymon transboundary river outflows to Lake Kerkini, which regulates water flow downstream for irrigation purposes and flood protection. For this research, a dataset of Sentinel-1 SAR GRD images was collected and processed covering the period of October 2014‒October 2015 to investigate the water level changes in Lake Kerkini. Based on SAR images, binary water/non-water products and multitemporal RGB amplitude images were generated and interpreted. Sentinel-1 products have proved to be an effective tool on flood hazard dynamic extension mapping and estimation of water extent bodies retained by small reservoirs. In agreement with hydro-meteorological data and the high-resolution DEM, it was conceived that the flood event occurred due to the water volume flowing from upstream in the reservoir and the large amount of water draining from the tributaries into nearby sub-basins. Moreover, inefficient water management of the overwhelming water flow through the dam could further strengthen the flood event. The proposed approach, which is entirely based on open access remotely sensed data and processing tools, could be implemented in the same area for past flood events to produce archive retrospective data, as well as in other similar reservoir-regulated river basins in terms of water management and flood risk management.
Editor: Beijing: Higher Education Press
Idioma: Inglês

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Use of Sentinel-1 imagery for flood management in a reservoir-regulated river basin

PERROU, T. ; GARIOUD, A. ; PARCHARIDIS, I.

Beijing: Higher Education Press

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