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Turkey Coruh Basin CORUH RIVER DEVELOPMENT PLAN International Workshop on Transboundary Water Resources Management Tbilisi, Georgia 8-10 December 2009 Ubeyd Sezer Geological Engineer U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 1/17 CORUH RIVER BASIN The Coruh (or Chorokhi in Georgian) River Basin located in the NE part of Turkey, near the boundary between Turkey and Georgia It rises from the Mescit Mountain Range (highest peak 3255 m) in Turkey and flows into the Black Sea in Batumi, Georgia U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 2/17 Çoruh Basin Catchment's Area (approximately) In Turkey 19 872 km2 In Georgia 2,090 km 2 Mean Annual Water Potential 6,824 hm 3 Annual Sediment Load 5,8 million m³ Total length of the river 431 km In Turkey 410 km In Georgia 21km U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 3/17 CORUH RIVER BASIN CLIMATE • The Climate of the Coruh River Basin is continental and Black Sea climatic conditions • Climate varies greatly due to; • high mean elevation of the land (1 132 m) and • the influence of the mountainous areas running parallel to the coast line • Mean annual rainfalls varies between 250 mm- 2650 mm U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 4/17 PRECIPITATION i r h e N h u r o i Ç s e r e D k ı c n a d y Sundura Deresi e M İçkale Deresi resi l De iske Şa ev ı vş at ı D y De y a res i a Ç i s Ç a e l t r u er e rg B D u e M r t s i p 2600mm -2650 mm a K Çayı Bulanık 685mm-700 mm i r h e N h u r ı o y Ç a Ç l a h r a B KS (DSI), TURKEY 5/17 Oltu Çayı i r h ı 250mm-300 mm e y N a Ç h u r o m u Ç t r o T iir r p ss İİ U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WOR CORUH RIVER HYDROLOGY Drainage area in Turkey :19 872 km 2 Mean annual run-off : 6,824 hm 3 Mean, maximum and minimum flows (at Kar şıköy flow gauging station near Muratlı Dam) Mean : 200 m 3/s Maximum : 2,431 m 3/s Minimum : 38 m 3/s About 85% of the total annual flow in Coruh River concentrated in three months period from May to July U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 6/17 Mean discharges of Coruh River and its tributaries ri h Kapistree DeresiÇoruh Nehri N hOrt. 25 m 3/s Đçkale Deresi ru o Coruh River 3 Ç Ort . 7 m /s Mean 200 m 3/sn i s e r e Kapistre Deresi D Đçkale Deresi e 3 r Ort. 7 m /s Deviskel Deresi 3 t Ort . 15 m /s s i 3 p Ort . 14 m /s a K ı l Çay Murgulur gDeresiu Ort.M 12 m 3/s DDeviskel Deresi eviskel Ort. 14D em re3s/si Berta Çayı Ort . 27 m 3/s Berta Çayı Murgul Deresi ay ı 3 Barhal Çayı rOrt.ta Ç 27 m /s 3 Be Ort . 16 m 3/s Ort . 12 m /s Ş av B şa ul t anı D k Ç e ayı re ı s y i Barhal Çayıa Ç i r Bulanık Çayı Ort. 16 m 3l /s h a e Ort. 7 m 3/s h N r h a ru B o Ç Bulanık Çayı 3 ri Ort . 7 m /s eh N ruh Ço O l tu Ç a y ı Oltu Çayı r ı 3 ir y Ort . 20 m /s İsp a Ç m Oltu Çayı u 3 rt Ort. 20 m /s Tortum Çayı o T Tortum Çayı 3 Ort. 15 m 3/s U. Sezer Ort . 15 m /sGENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 7/17 CORUH RIVER WATER QUALITY • Water quality in the main course and tributaries of the Coruh River measured and analyzed regularly from existing stations • According to Turkish Inland Water Quality Standards (derived from Water Pollution Control Regulation) Water Quality of Coruh River generally Class I and Class II (Unpolluted and Less polluted water body) • General Pollution Sources: Households, municipal wastewaters and dump sites U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 8/17 CORUH RIVER BASIN ÇORUH BASIN DEVELOPMENT PLAN • Çoruh River is one of the significant water resources of Turkey, especially in terms of hydropower potential • The preliminary study for development plan started in 1962 by General Directorate of Electrical Power Resources Survey and Development Administration (EIA), • The Master plan for hydropower development of Çoruh River was prepared in 1982 • In the master plan and subsequent studies various options were considered for the Coruh River Development Plan and as a result 10 hydropower projects in series along the main river in a cascade style were proposed on the main course of Coruh River U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 9/17 LALELĐ HEPP LONGITUDINALPROFILE OF 245 GWh 99 MW THE CORUH RIVER DEVELOPMENT PLAN In operation ĐSPĐR HEPP 969 Under Investment program million m3 327 GWh 54 MW Planning Stage GÜLLÜBAĞ HEPP 367 285 GWh million m 3 84 MW Barhal Kolu AKSU HEPP 20 344 GWh ALTIPARMAK HEPP 3 million m 120 MW 200 GWh Oltu Kolu 50 MW OLUR HEPP 184 ARKUN HEPP 170 GWh 788 GWh million m 3 60 MW 222 MW AYVALI HES * 336 GWh Berta Kolu 1 420 m 283 YUSUFELĐ HEPP 125 MW million m 3 1 705 GWh * BAYRAM HEPP 540 MW 265 GWh 81 MW *BAĞLIK HEPP 133 238 GWh 2 130 millon m 3 * ARTVĐN HEPP 67 MW million m 3 1 026 GWh 7,3 Laleli Dam Max. water level : 1,480 m 332 MW millon m 3 Muratlı Dam Thalweg level: 60 m 167 3 DERĐNER HEPP Total volume of reservoirs: 6,72 billion m million m 3 2 118 GWh 670 MW 1 969 BORÇKA HEPP Installed Capacity : 2, 236 MW million m 3 1 039 GWh 300 MW (for dams on main course) MURATLI HEPP Energy generation : 8,320 GWh/year 419 444 GWh million m 3 115 MW 75 million m 3 Upper Çoruh Middle Çoruh Lower Çoruh U. Sezer GENERAL DIRECTORATE OF410 STATE km HYDRAULIC WORKS (DSI), TURKEY 10/17 CORUH RIVER DEVELOPMENT PLAN U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 11/17 MURATLI DAM AND HYDROPOWER PLANT It is located 100 metre upstream from the border Type of dam : Rock fill Height oh the dam : 49 m Purpose of the dam Energy Mean annual flow : 6 billion m³ : : Installed Capacity 115 MW Total Energy 444 GWh/Annual Reservoir Volume : 75 million m³ UNDER OPERATION SINCE 2005 Dead Volume : 55 million m³ Active Volume : 20 million m³ U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 12/17 BORÇKA DAM AND HYDROPOWER PLANT Installed capacity 300 MW Reservoir volume 419 million m 3 Total energy 1 039 GWh/annual In operation 2007 U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 13/17 D E R İ N E R DAM AND HYDROPWER INSTALLATIONS U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY April 200914/17 CORUH RIVER BASIN ENVIRONMENTAL IMPACT ASSESSMENT (EIA) • Environmental Impact Assessment Report (EIA) for Yusufeli Dam was prepared by ENCON in 2006 to fulfil the requirements of international standards, • The EIA Report Assess in detail: The effects of the project on the natural and socio-economic environment, The respective mitigation measures including resettlement action plan U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 15/17 CORUH RIVER BASIN CONSULTATION AND COOPERATION BETWEEN TURKEY AND GEORGIA • Consultation between Turkey and Georgia regarding the hydropower development on Coruh River were started in 1996 with construction preparations for Deriner Dam. • Since then Turkish and Georgian experts have been conducting joint studies that will serve to identify, monitor and evaluate changes, which may occur over time in the downstream of Coruh projects on the Georgian section of the river, including the mouth of the river and the Black Sea Coastline U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 16/17 THANK YOU U. Sezer GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS (DSI), TURKEY 17/17.
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