Supporting Report Paper 2 Irrigation and Water Resources Development

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Supporting Report Paper 2 Irrigation and Water Resources Development SUPPORTING REPORT PAPER 2 IRRIGATION AND WATER RESOURCES DEVELOPMENT The Study on Integrated Water Resources Management Supporting Report Paper 2 for Sefidrud River Basin in the Islamic Republic of Iran Table of Contents THE STUDY ON INTEGRATED WATER RESOURCES MANAGEMENT FOR SEFIDRUD RIVER BASIN IN THE ISLAMIC REPUBLIC OF IRAN SUPPORTING REPORT PAPER 2 IRRIGATION AND WATER RESOURCES DEVELOPMENT TABLE OF CONTENTS Page Chapter 1. IRRIGATION ..................................................................................................................1 1.1 Main Crop Yields under Irrigation and Rainfed........................................................................1 1.2 Comparison of Rice Yield between Gilan and Mazandaran .....................................................1 Chapter 2. WATER RESOURCES DEVELOPMENT...................................................................2 2.1 Prediction of Domestic Water Demand.....................................................................................2 2.1.1 Irrigation Requirement in Gilan Province .........................................................................2 2.1.2 Prediction of Provincial Domestic Water Demand in the Study Area...............................2 2.1.3 Prediction of Urban Population in 2031............................................................................3 2.2 Development With Dam............................................................................................................3 2.2.1 Discharge for Hydroelectric Generation in Ostor Dam.....................................................3 2.2.2 Questionnaire for Existing and Under Construction .........................................................4 2.2.3 Relations between Water Level and Reservoir Volume (H-V Curve) ...............................8 2.2.4 Outflow from Manjil Dam ..............................................................................................46 2.2.5 Comparison between Outflow from Manjil Dam and Intake Water Volume at Tarik, Galerud & Sangar Weirs.................................................................................................46 2.2.6 Monthly Water Level and Discharge in Manjil Dam ......................................................47 2.2.7 Discharge for Hydroelectric generation from Manjil Dam .............................................48 2.2.8 Comparison Between Outflow from Manjil and Outflow from Sangar Weir .................49 2.2.9 Monthly Water Level and Discharge in Taleghan Dam...................................................49 2.2.10 Development Stage and Construction Cost.....................................................................50 2.2.11 Average Monthly River Discharge in Gilan Province.....................................................50 2.2.12 Flow Capacity of Main Canals in SIDN..........................................................................51 2.2.13 Water Resources Development Projects in Upper Basin of Manjil Dam........................51 2.2.14 Evaporation in Manjil Dam Reservoir ............................................................................54 2.2.15 Water Level of Manjil Reservoir in Spring Season.........................................................54 2.2.16 General Specification of Major Dams.............................................................................55 Note: The Contents without any reference source were prepared by JICA Study Team. i CTI Engineering International Co., Ltd. Supporting Report Paper 2 The Study on Integrated Water Resources Management Table of Contents for Sefidrud River Basin in the Islamic Republic of Iran List of Tables Tables Page Table 1.1.1 Major Crop Yields under Irrigation and Rainfed.............................................................. 1 Table 2.1.1 Irrigation Requirement in SIDN ....................................................................................... 2 Table 2.1.2 Domestic Water Demand in Each Provinces .................................................................... 2 Table 2.1.3 Prediction of Urban Population in 2031 ........................................................................... 3 Table 2.2.1 Water Balance of Hydropower Generation in Ostor Dam................................................ 3 Table 2.2.2 Questionnaire for Existing and Under Construction Dams (1/2)...................................... 4 Table 2.2.3 Questionnaire for Existing and Under Construction Dams (2/2)...................................... 5 Table 2.2.4 Questionnaire for Under Planning Dams (1/2)................................................................. 6 Table 2.2.5 Questionnaire for Under Planning Dams (2/2)................................................................. 7 Table 2.2.6 Monthly Outflow from Manjil Dam............................................................................... 46 Table 2.2.7 Comparison between Manjil Outflow and Weir’s Intake Water Volume........................ 46 Table 2.2.8 Monthly Water Level and Discharge in Manjil Dam (1/2)............................................. 47 Table 2.2.9 Monthly Water Level and Discharge in Manjil Dam (2/2)............................................. 48 Table 2.2.10 Discharge for Hydropower from Manjil Dam ................................................................ 48 Table 2.2.11 Comparison Between Manjil Outflow and Sangar Outflow........................................... 49 Table 2.2.12 Monthly Water Level and Discharge in Taleghan Dam.................................................. 49 Table 2.2.13 Development Stage and Construction Cost .................................................................... 50 Table 2.2.14 Average Monthly River Discharge in Gilan ................................................................... 50 Table 2.2.15 Flow Capacity of Main Canals in SIDN......................................................................... 51 Table 2.2.16 Water Resources Development Projects in Upper Basin of Manjil Dam ....................... 51 Table 2.2.17 Water Resources Development Projects in Kordestan Province .................................... 51 Table 2.2.18 Water Resources Development Projects in East Azerbaijan Province............................ 52 Table 2.2.19 Water Resources Development Projects in Hamedan Province...................................... 52 Table 2.2.20 Water Resources Development Projects in Qazvin Province ......................................... 52 Table 2.2.21 Water Resources Development Projects in Zanjan Province.......................................... 53 Table 2.2.22 Water Resources Development Projects in Ardebil Province......................................... 53 Table 2.2.23 Evaporation in Manjil Reservoir (MCM) ....................................................................... 54 Table 2.2.24 Water Level of Manjil Dam Reservoir in Spring Season ............................................... 54 Table 2.2.25 General Specification of Manjil Dam............................................................................. 55 Table 2.2.26 General Specification of Taleghan Dam (1/2) ................................................................ 56 Table 2.2.27 General Specification of Taleghan Dam (2/2) ................................................................ 57 Table 2.2.28 General Specification of Ostor Dam............................................................................... 58 Table 2.2.29 General Specification of Bijar Dam ............................................................................... 59 Table 2.2.30 General Specification of Golabar Dam........................................................................... 60 Table 2.2.31 General Specification of Mushampa Dam...................................................................... 61 Table 2.2.32 General Specification of Talvar Dam ............................................................................. 62 CTI Engineering International Co., Ltd. ii The Study on Integrated Water Resources Management Supporting Report Paper 2 for Sefidrud River Basin in the Islamic Republic of Iran Table of Contents List of Figures Figures Page Figure 1.2.1 Comparison of Rice Yield between Gilan and Mazandaran..............................................1 iii CTI Engineering International Co., Ltd. The Study on Integrated Water Resources Management Supporting Report Paper 2 for Sefidrud River Basin in the Islamic Republic of Iran Irrigation and Water Resources Development CHAPTER 1. IRRIGATION 1.1 MAIN CROP YIELDS UNDER IRRIGATION AND RAINFED According to the MOJA, main crop yields under irrigation and rainfed in Iran are as shown in Table 1.1.1. Table 1.1.1 Major Crop Yields under Irrigation and Rainfed (kg/ha) Crop Rice Wheat BarleyAlfalfa Apple Olive Potato Beans Irrigated 3736 3655 2818 6125 16332 4050 27201 1478 Dry farm 0 1097 931 2090 0 0 0 423 Source: MOJA 1.2 COMPARISON OF RICE YIELD BETWEEN GILAN AND MAZANDARAN According to the MOJA, rice yield between Gilan and Mazandaran are as shown in Figure 1.2.1. Comparison of Paddy Yield between Gilan and Mazandaran Gilan Mazandaran 6,000 5,000 4,000 3,000 2,000 Yield (kg/ha) Yield 1,000 0 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 Year Figure 1.2.1 Comparison of Rice Yield between Gilan and Mazandaran 1 CTI Engineering International Co., Ltd. Supporting Report Paper 2 The Study on Integrated Water Resources Management Irrigation and Water Resources Development for Sefidrud River Basin in the Islamic Republic
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