Research Article

Relations Between Land Use Changes and Drought in Kavar Depression (Iran)

Volume: 21 Number: 3 June 15, 2018
EN TR

Relations Between Land Use Changes and Drought in Kavar Depression (Iran)

Abstract

The multidimensional drought is primarily a meteorological origin. But human activities are also main concern for this scenario, especially in case of irrigation methods when agricultural crops require high amount of water in areas with low rainfall and high temperature. Beacause of this incresing water demand, primarily the groundwater level starts to decrease and hence agricultural drought occures. The Kavar depression in Iran which is the subject of this study also faces problems such as water shortage and the wrong selection of agricultural crop production. In order to determine the facts, the land use changes of the corresponding study area has been taken into account from 1975 to 2017. Different version of Landsat satellite images including Landsat 4, 5 and 8 have been processed by remote sensing techniquesto revealing the temporal variation of the area where the crop was produced by irrigation. However, based on the available rainfall and temperature data, water shortage has been calculated by using Thornthwaite Method. On the other hand, for nonparametric Mann-Kendall test correlation analyses,  evaporation data has been used along with other climate data. In addition, water demand per hectare has also been collected for spcific crop of Kavar depression. As a continuation of the analysis based on the natural and artificial elements, finally the relation between the total water demand of irrigated agriculture field and the water potential of depression from 1975 has been found.

Keywords

References

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Details

Primary Language

Turkish

Subjects

-

Journal Section

Research Article

Publication Date

June 15, 2018

Submission Date

October 12, 2017

Acceptance Date

December 5, 2017

Published in Issue

Year 1970 Volume: 21 Number: 3

APA
Haghıghı, A. T., Sönmez, M. E., Fazel, N., & Klove, B. (2018). Kavar Depresyonu’nda (İran) Arazi Kullanımındaki Değişimler ile Kuraklık Arasındaki İlişkiler. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 21(3), 397-406. https://doi.org/10.18016/ksudobil.343124


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