EVALUATING THE POSSIBILITY OF USING THE NDVI INDEX TO ANALYZE AND MONITOR DROUGHTS IN ESFAHAN PROVINCE

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BAAGHIDEH MOHAMMAD; ALIJANI BOHLOUL; ZIAIAN PARVIZ

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Journal: ARID REGIONS GEOGRAPHIC STUDIES Year:2011 | Volume:1 | Issue:4 Page(s): 1-16

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Information Journal Paper

Title

EVALUATING THE POSSIBILITY OF USING THE NDVI INDEX TO ANALYZE AND MONITOR DROUGHTS IN ESFAHAN PROVINCE

Author(s)

BAAGHIDEH MOHAMMAD | ALIJANI BOHLOUL | ZIAIAN PARVIZ | Issue Writer Certificate

Keywords

DROUGHTSQ1

SPI INDEXQ2

NDVIQ2

ESFAHAN PROVINCEQ1

SURROGATE INDICESQ2

VEGETATIONQ2

Abstract

In order to define a surrogate index instead of climatic indices for analyzing and monitoring DROUGHTS, monthly rainfall data (period of growth from March to September) of 36 stations spread over Esfahan and NOAA satellite images during the 1997- 2003 period were prepared and processed. The climatic index of SPI was computed from monthly rainfall and the Normalized Difference VEGETATION Index (NDVI) was extracted from NOAA images. Based on land use map, the VEGETATION map of ESFAHAN PROVINCE were prepared that has rich, medium and poor range lands. Among several time periods of SPI INDEX, three months period had a high correlation and therefore all calculations were computed based on the mentioned three months. The results showed that, in all stations of study area, both indices were high during spring months of March to May and decreased during the summer warm months. Both of the indices were high over the rich range lands and lower in poor range lands of province. The correlation between the indices was acceptable in all stations and this reveals that the use of the NDVI index instead of SPI is appropriate surrogate index in analyzing and monitoring DROUGHTS in Esfahan Provinc. The performance of mentioned indexes is high especially where the climatic data are rare and sparse and where time series are not regular.

Cites

EVALUATING THE ADEQUACY OF MODIS IN THE ASSESSMENT OF DROUGHT (CASE STUDY: URMIA LAKE BASIN)

References

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APA: Copy

BAAGHIDEH, MOHAMMAD, ALIJANI, BOHLOUL, & ZIAIAN, PARVIZ. (2011). EVALUATING THE POSSIBILITY OF USING THE NDVI INDEX TO ANALYZE AND MONITOR DROUGHTS IN ESFAHAN PROVINCE. ARID REGIONS GEOGRAPHIC STUDIES, 1(4), 1-16. SID. https://sid.ir/paper/190688/en

Vancouver: Copy

BAAGHIDEH MOHAMMAD, ALIJANI BOHLOUL, ZIAIAN PARVIZ. EVALUATING THE POSSIBILITY OF USING THE NDVI INDEX TO ANALYZE AND MONITOR DROUGHTS IN ESFAHAN PROVINCE. ARID REGIONS GEOGRAPHIC STUDIES[Internet]. 2011;1(4):1-16. Available from: https://sid.ir/paper/190688/en

IEEE: Copy

MOHAMMAD BAAGHIDEH, BOHLOUL ALIJANI, and PARVIZ ZIAIAN, “EVALUATING THE POSSIBILITY OF USING THE NDVI INDEX TO ANALYZE AND MONITOR DROUGHTS IN ESFAHAN PROVINCE,” ARID REGIONS GEOGRAPHIC STUDIES, vol. 1, no. 4, pp. 1–16, 2011, [Online]. Available: https://sid.ir/paper/190688/en

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