Optimal use of Agricultural Land in an Arid Region from Using GIS and Linear Algorithm: Al-Hasaka-SYRIA

Abstract

 

This research aims to evaluate the lands of Wadi Khirbet al-Malihah area in Al-hasaka province (2016-2018) and determine the optimal land use. A geo-pedological soil survey was initiated, and 10 soil profiles representing the physiographic in the study area were collected for some chemical and physical properties analysis. The land evaluation was achieved using LAMIS (Land Management Information System) program under the GIS platform. The evaluation was done applying map-algebra on both crops' requirements with parametric conditions of lands and climate characteristics. The resulting evaluation showed according to the suggested scenario (limited irrigation water), crops with the lowest water requirements were selected: moderate suitable S2 by 41.52%, limit suitable S3 by 28.27% of the study area. Linear programming was used to produce the final optimal land use map according to three criteria: costs, gross margin and water requirements. The results show that there are diversity advantage and the land area of study that suit to be area cropping commodities are tested with an area of 41895 ha. Land use in the Wadi Khirbet al-Malihah achieving profitability with the optimal combination of cropping wheat (29.579%), the lentils (22.257%) and Kinua (9.283%).

Keywords

• : Optimal; land use,land evaluation,Geographic information system,Linear programming

References

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