12 Nov 2021
12 Nov 2021
Status: this preprint is currently under review for the journal NHESS.

Brief communication: Western Europe flood in 2021: mapping agriculture flood exposure from SAR

Kang He1, Qing Yang2, Xinyi Shen1, and Emmanouil N. Anagnostou1 Kang He et al.
  • 1Department of Civil and Environmental Engineering, University of Connecticut, Storrs, CT 06269, USA
  • 2College of Civil Engineering and Architecture, Guangxi University, Nanning, Guangxi, 530004, China

Abstract. In this communication, we present the exposure of agriculture lands to the flooding caused by extreme precipitation in western Europe from 12th to 15th of July 2021. Overlaying the flood inundation maps derived from the near-real-time RAdar-Produced Inundation Diary (RAPID) system on the CORINE land cover map we estimate a 2470 km2 area affected by the flooding, with 57 % representing agricultural land. Among the inundated agricultural land, 36 % of the area is pastures while 33 % is arable land. Most agricultural flood exposure is found in south-eastern France (~1680 km2) along Rhône River and the coastal area of Marseille and Montpellier.

Kang He et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2021-307', Lorenzo Alfieri, 12 Nov 2021
    • CC1: 'Reply on RC1', Kang He, 28 Nov 2021
    • AC1: 'Reply on RC1', Xinyi Shen, 30 Jan 2022
  • RC2: 'Comment on nhess-2021-307', Hans de Moel, 07 Dec 2021
    • CC2: 'Reply on RC2', Kang He, 25 Dec 2021
    • AC2: 'Reply on RC2', Xinyi Shen, 30 Jan 2022

Kang He et al.

Kang He et al.


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Short summary
This study depicts the flood-affected areas in western Europe in July 2021, and particularly the agriculture land that was under flood inundation. The results indicate that the total inundated area over western Europe is about 2470 km2, of which 1680 km2 is in France. Around 57 % of the inundated area is agricultural land.we expect that the agricultural productivity in western Europe will be severely impacted.