DEVELOPMENT OF STAGE-DISCHARGE RATING CURVE AND RATING TABLE OF PIYARO MINOR AND DILWARO MINOR

Shoukat Ali Shah (), Madeeha Kiran, Rabia Dars, Aleena Nazir and Shaharyar Hassan Ashrafani
Additional contact information
Shoukat Ali Shah: Institute of Water Resources Engineering and Management, Mehran University of Engineering and Technology, Jamshoro, Pakistan
Madeeha Kiran: School of Environmental Science, Northeast Normal University, Changchun, China.
Rabia Dars: School of Water Conservancy and Environmental Engineering, Zhengzhou University, Henan, China.
Aleena Nazir: Department of Earth and Environmental Sciences, Bahria University, Islamabad Campus; Pakistan
Shaharyar Hassan Ashrafani: Irrigation and Drainage, Sindh Agriculture University, Tandojam, Pakistan.

Geological Behavior (GBR), 2021, vol. 5, issue 1, 23-27

Abstract: Developing a gauge-discharge relationship in rivers, canals, and minor flow is vital for controlling floods, managing water resources, Spatio-temporal analysis, socio-economic development, and sustaining the ecosystem. Accurate and consistent data of irrigation networks are perilous to scheduling and managing for accurate application of irrigation water. Most of the hydrologic engineering activities like hydraulics structure, designs, flood monitoring, surplus water, reservoir, canal, and minor’s operation depend on flowing water derived from Rating Curve (RC). The effective management of irrigation water is necessary for crop water requirements and seepage losses estimation. In this context, the present study showed the actual field level work tested at two minors of the Ghotki feeder canal namely Pyaro minor and Dilwaro minor. The main object of the study is to develop gauge-discharge relation and development of RC and Rating Table (RT). The current meter was used for taking discharge measurements with the area velocity technique in both minors. Moreover, stage-discharge RC and RT were developed for different flows of water for both minors in Origin Software. From the calculated results, Power equations were developed for both minors for the actual requirement of crop water in the command area. The results of the study calculated in RT of Piyaro minor between 0.5-5ft stage gave discharge 0.053 cusecs to 90.616 cusecs. While the RT of Dilwaro minor showed the range between 0.5ft-4ft stage gave 26.575cusec to 168.888 cusecs. Hence, the present study suggested that for both minors, automatic gauging stations should be established for the actual demand of irrigation water in the command area and di-siltation should be done on both minors to make availability of water at the tail section.

Keywords: Rating Curve; Discharge; Current Meter; Piyaro Minor; Dilwaro Minor (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbngbr:v:5:y:2021:i:1:p:23-27

DOI: 10.26480/gbr.01.2021.23.27

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