Assessment of precipitation data from Asfazari national database in runoff evaluating and regional drought monitoring

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Eini Mohammad Reza; Javadi Saman; DELAVAR MAJID; DARAND MOHAMMAD

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Journal: IRANIAN JOURNAL OF ECOHYDROLOGY Year:2018 | Volume:5 | Issue:1 Page(s): 99-110

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Title

Assessment of precipitation data from Asfazari national database in runoff evaluating and regional drought monitoring

Author(s)

Eini Mohammad Reza | Javadi Saman | DELAVAR MAJID | DARAND MOHAMMAD | Issue Writer Certificate

Keywords

reanalysis databaseQ2

Maharlu LakeQ2

SPI and SDI IndexesQ2

SWAT modelQ2

Abstract

Due to high spatiotemporal resolution of gridded data, reanalysis precipitation databases, have many applications in climate prediction, climate change modeling, water resources management and hydrological modeling, especially in areas without observational data. Therefore, in the present study, hydrological simulation was evaluated by SWAT model and spatial data mining for drought monitoring with SPI and SDI Indexes over Maharlu Lake and assessing the temporal sense of Asfazari national database by observational stations as a reference on the spatial extent. The results showed high accuracy of Asfazari database in simulating of runoff in comparison with simulated runoff with observation database. The coefficient of determination and Nash efficiency presented the average accuracy of 0. 6 in the simulation. During the cold and rainy seasons, the performance of this database is higher than is the warm season. During rainy months of year, the correlation coefficient between observation and Asfazari is about 0. 85, and the POD index is more than 0. 9. Furthermore, subsequently the accuracy of monitoring drought by Asfazari is too high, so it can be said that the Asfazari database can be used as a reliable database in runoff simulating and drought monitoring, especially in areas with poor or no sufficient precipitation data.

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APA: Copy

Eini, Mohammad Reza, Javadi, Saman, DELAVAR, MAJID, & DARAND, MOHAMMAD. (2018). Assessment of precipitation data from Asfazari national database in runoff evaluating and regional drought monitoring. IRANIAN JOURNAL OF ECOHYDROLOGY, 5(1 ), 99-110. SID. https://sid.ir/paper/253993/en

Vancouver: Copy

Eini Mohammad Reza, Javadi Saman, DELAVAR MAJID, DARAND MOHAMMAD. Assessment of precipitation data from Asfazari national database in runoff evaluating and regional drought monitoring. IRANIAN JOURNAL OF ECOHYDROLOGY[Internet]. 2018;5(1 ):99-110. Available from: https://sid.ir/paper/253993/en

IEEE: Copy

Mohammad Reza Eini, Saman Javadi, MAJID DELAVAR, and MOHAMMAD DARAND, “Assessment of precipitation data from Asfazari national database in runoff evaluating and regional drought monitoring,” IRANIAN JOURNAL OF ECOHYDROLOGY, vol. 5, no. 1 , pp. 99–110, 2018, [Online]. Available: https://sid.ir/paper/253993/en

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