Determining The Agricultural Drought and Desertification Intensity in Diyala Province / Iraq Using Sentinel-2 images

Authors

  • Rana S. Hadid University of Baghdad, College of Science, Remote Sensing and GIS Department
  • Bushra A. Ahmed University of Baghdad, College of Science, Remote Sensing and GIS Department https://orcid.org/0000-0002-8056-2454

DOI:

https://doi.org/10.24996/ijs.2024.65.5.45

Keywords:

Sentinel-2, Spectral Indices, Desertification, MSAVI2, SI, TGSI

Abstract

Desertification is the deterioration of land brought on by human activity, climate change, and a loss of vegetation cover and biodiversity. This paper assesses the agricultural drought and desertification levels of Khanaqin district in Diyala province, Iraq, using Sentinel-2 images with a high resolution of 10 m between July 22, 2016, and July 22, 2022. The Modified Soil-Adjusted Vegetation Index (MSAVI2), Topsoil Grain Size Index (TGSI), and Salinity Index (SI) derived from Sentinel-2 satellite images were used for this aim. The result showed that the area covered by low desertification intensity increased from (12.05%-9.41%) for the years (2016-2022). The area covered by high desertification intensity increased from (32.49-36.44% for the years (2016-2022), indicating an accelerated desertification process. Finally, the area covered by high desertification intensity increased from 12.34%-21.23% for years (2016-2022). Natural climate variability and human activities, such as land use, overgrazing, deforestation, and unsustainable farming practices, cause agricultural drought and desertification.

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Published

2024-05-30

Issue

Section

Remote Sensing

How to Cite

Determining The Agricultural Drought and Desertification Intensity in Diyala Province / Iraq Using Sentinel-2 images. (2024). Iraqi Journal of Science, 65(5), 2946-2957. https://doi.org/10.24996/ijs.2024.65.5.45

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