DETERMINATION OF RAINFALL TEMPORAL PATTERN IN DARYACHE-E-NAMAK BASIN

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DAVUDIRAD A.A.; TELVARI A.; ERFANIAN M.

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Journal: Year:2007 | Volume:20 | Issue:1 (74 IN NATURAL RESOURCES) Page(s): 193-199

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Information Journal Paper

Title

DETERMINATION OF RAINFALL TEMPORAL PATTERN IN DARYACHE-E-NAMAK BASIN

Author(s)

DAVUDIRAD A.A. | TELVARI A. | ERFANIAN M. | Issue Writer Certificate

Keywords

DARYACHE - E-NAMAK BASINQ3

IRANQ3

RANKING METHODQ2

STORM PATTERNQ3

TEMPORAL PATTERNQ3

Abstract

The design storm is one of the main elements in flood estimation regarding to the existence of temporal variations in heavy storms, thus distinguishing of the rainfall TEMPORAL PATTERN is very important. In this study intensive observed and individual storms for different duration in synoptic stations of Daryache-e-Namak basin were studied and rainfall TEMPORAL PATTERNs were derived using RANKING METHOD. In this method any given duration was first divided in to a number of equal periods and then they were ranked according to the amount of rainfall in each increment time periods. In the next step all ranks of periods in individual storms were averaged and rank for each period were assigned. Finally, rainfall amount in percentage was determined for each period and TEMPORAL PATTERN of rainfall was derived. Rainfall TEMPORAL PATTERN for each station and all of region (type patterns) in different durations were derived. To evaluate patterns, chi - square was used and confidence to patterns of each station and all regions were studied. Results show that, confidence to each pattern in suitable condition in longer duration would increase if number of storms. Other conducted research in the country certifies the results and rainfall TEMPORAL PATTERNs are some what similar to SCS patterns unless for 12 hours duration.

Cites

ZONING OF QUANTITY AND NUMBER OF PRECIPITATION DAYS IN ANZALI WETLAND WATERSHED

References

تعیین الگوی توزیع زمانی بارش های کوتاه مدت در استان تهران

Cite

APA: Copy

DAVUDIRAD, A.A., TELVARI, A., & ERFANIAN, M.. (2007). DETERMINATION OF RAINFALL TEMPORAL PATTERN IN DARYACHE-E-NAMAK BASIN. PAJOUHESH-VA-SAZANDEGI, 20(1 (74 IN NATURAL RESOURCES)), 193-199. SID. https://sid.ir/paper/18869/en

Vancouver: Copy

DAVUDIRAD A.A., TELVARI A., ERFANIAN M.. DETERMINATION OF RAINFALL TEMPORAL PATTERN IN DARYACHE-E-NAMAK BASIN. PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;20(1 (74 IN NATURAL RESOURCES)):193-199. Available from: https://sid.ir/paper/18869/en

IEEE: Copy

A.A. DAVUDIRAD, A. TELVARI, and M. ERFANIAN, “DETERMINATION OF RAINFALL TEMPORAL PATTERN IN DARYACHE-E-NAMAK BASIN,” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 1 (74 IN NATURAL RESOURCES), pp. 193–199, 2007, [Online]. Available: https://sid.ir/paper/18869/en

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