Radarsat-2 and Sentinel-1 Sar to Detect and Monitoring Flooding Areas in Tabasco, Mexico

Abstract

In the rainy season, Southeastern Mexico flooding is a recurrent phenomenon affecting the rural and services sector with important economic loss. The objective of this study was to detect and monitor flooding areas occurring during the rainy season using Radarsat-2 and Sentinel-1 SAR in Tabasco, Mexico. The project was carried out in 2017, a year when registered precipitation levels attained an accumulation of 2,013 mm, when September and October were the rainiest months. Cartographic information was produced concerning flooded areas, water bodies and wetlands before the waters receded. This information was compared for the same areas during the dry season. This methodology can be used to estimate the flood extents that occur frequently in this region of Mexico, especially because the phenomenon manifests itself year by year due to global warming, which is admitted, to cause greater intensity and more frequent rain events.