Investigating of Spacing Spatial and Temporal Distribution of Quality and Quantities Groundwater at Noorabad Plain
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Article Type:
Case Study (دارای رتبه معتبر)
Abstract:

In recent years, due to the increasing frequency of droughts in arid and semi-arid regions of the country, the water level of the lakes has dramatically decreased, and in addition to environmental damage, it has also challenged the economic and social sectors of society. In this study, drought events were quantified by standardized precipitation index (SPI), chinese Z index (CZI), Modified chinese Z index (MCZI) and Z-Score index (ZSI) using monthly and annual rainfall data of five synoptic stations (Yasuj, Gachsaran, Dehdasht, Sisakht and Likak) and one pluviometry station (Margoon and Dishmuk) those which are related to Kogilueh and Boyerahmad Meterological organization. The results showed that ZSI, CZI and SPI have a similar trend in all stations and the curves of these stations were well coincident with each other and had a very good fitness that was not same for MCZI. Then, iso-duration and iso-intensity maps of drought (drought zoning) were prepared for determination of the drought susceptible areas as well as forecasting the future status based on the four studied indices by the ArcMap application for annual periods.

Language:
Persian
Published:
Journal of Extension and Development of Watershed Managment, Volume:7 Issue: 27, 2020
Pages:
10 to 21
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