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The erosion of agricultural lands and its measurement In the province of Salah al-Din | ||
| JOURNAL OF HISTORICAL & CULTURAL STUDIES an academic magazin | ||
| Article 1, Volume 10, Issue 34, 2018, Pages 406-440 | ||
| Authors | ||
| Prof. Dr. Dhafir Ibrahim Taha Al-Azzawi; Ismael Fadhil Khamees Al-Bayati | ||
| Abstract | ||
| This study is based on the use of remote sensing techniques (RS) and geographic information systems (GIS) in the assessment of erosion and its impact on agricultural land, starting with the preparation of a geographical database of natural and human resources related to erosion (water and wind) and its impact on agricultural land. (RS) and GIS were applied to the study area, which has the ability to analyze the spatial data associated with a descriptive database, in order to identify erosion and its impact on agricultural lands, which included the measurement of water erosion in the method of statistical equations, ) And the degree of erosion in the region and according to the model (Bergsma) of water erosion and the extent of their impact and effectiveness has emerged through the study. The degrees of erosion were between (first degree) and (seventh degree). (9.65%) of the area of the study area, of which the average was (4%) and (5%), (6.604%), , And the other with severe degrees of erosion, including grade (VI) and (VII) and by (0.087%) of the area of the study area, and water erosion takes the direction of distribution extends between the north-east and south-west in the study area. The impact of wind erosion in the study area was applied to the Chepil equation on the climatic stations in the study area. It consisted of Tikrit, Samarra, Baiji and Al-Tuz. The results were the wind erosion activity at the Samarra and Baiji stations. Wind erosion included three ranges, (21.820%), medium range (60.051%), and high scale (18.130%) of the total area studied. Wind erosion takes a distribution trend extending between the north-west and south-east of the study area. | ||
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