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This is a Quantitative Study study.

Contribution of optical and radar remote sensing to the monitoring of wetland dynamics in western Algeria

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This study examines surface water dynamics using Sentinel 1 and Sentinel 2 data, revealing significant degradation over time.

The study found that the surface area of the Merdja Sidi Abed dam decreased from 815 ha in 2015 to 28 ha in 2020.
Utilizing Sentinel 1 radar and Sentinel 2 optical data, the research effectively mapped surface water bodies over time.
Indices such as NDVI and MNDWI were derived from high-resolution satellite images to enhance surface water extraction.
The analysis highlights the importance of remote sensing for monitoring water bodies within hydrological systems.

Fekir et al. (2025) studied this question.

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