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The aim of this study is quantitatively assessment and map land reclamation condition in irrigated croplands of Kulavat canal irrigation system. Environmental variables, such as soil texture, salinity and bonitet, groundwater table and salinity, distance to irrigation systems and density of drainage networks, are the main datasets required for assessing land reclamation condition. These data were extracted and manipulated in geographic information system (GIS) as thematic layers. Spatial analyst function in GIS software was used to detect spatial distribution of variablesand assessing the land reclamation condition, of which the map of environmentally sensitive areas of study area is produced. The results obtained reveals that the study area comprises of three sensitivity classes such as good, medium and low condition, on basis of the stratification map. It is seen that the low areas for land reclamation condition in study area are found in the north-western and south-eastern parts, these areas represent 7 % of the total irrigated lands in study area (26,700 ha). The areas of mediumcondition represent 47 % of the total area. The areas of good condition comprise 33 % of the total area. The other parts (13 %) of the study area belong tonon-assessed class. By noticing the evaluation of environmental factors, the soil (texture), land condition (groundwater table) and water availability (distance to the irrigation systems) have the intensive effect on land reclamation condition throughout the study region. A GIS tool hasa potential to generate such as mapsthat can be used in specific land management improvement programs.

Assessment of the land reclamation condition using GIS techniques and environmental variables: case study in Kulavat canal irrigation system, Khorezm