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Tài nguyên nước, tài nguyên khoáng sản, vùng biển, vùng trời,… hay đơn giản chỉ là chiếc ghế đá ngoài công viên, hàng hoa đẹp bên đường,… đều là tài sản thuộc sự quản lý của Nhà nước mà toàn dân có quyền sử dụng bình đẳng. Không chỉ vậy, ngoài việc sử dụng họ cũng phải có nghĩa vụ bảo vệ, giữ gìn chúng tránh những tác động xấu.
TRƯỜNG ĐẠI HỌC NƠNG LÂM TP HỒ CHÍ MINH KHOA MÔI TRƯỜNG VÀ TÀI NGUYÊN DONG NAI RIVER WATER RESOURCE ON TRI AN LAKE GVHD: PGS TS LÊ QUỐC TUẤN LỚP: QL TÀI NGUN & MƠI TRƯỜNG NHĨM: PGS.TS LÊ QUỐC TUẤN Group members PGS.TS LÊ QUỐC TUẤN CONTENT REPORTS Some related defintions Overview on Tri An lake Roles of Tri An lake water resource The status of water resource management PGS.TS LÊ QUỐC TUẤN Some related defintions - what is water resource ? Water resources are natural resources of water that potentially usefull Uses of water include agricultural, industrial, household, recreational and environmental activities (wikipedia) - what is Man-made reservoirs ? A reservoir usually means an enlarged natural or artificial lake, storage pond or impoundment created using a dam or lock to store water (Wikipedia) PGS.TS LÊ QUỐC TUẤN Overview on Tri An lake - Tri An lake is a man-made water reservoir - Tri An lake is built from daming up Dong Nai river, which is one of the primary construction of Tri An hydroelectricity - Tri An lake was built in 1984 and finished at the beginning of 1984 - Tri An lake’s total volume is around 2,765.109 m3 - Lowest volume is around 218 109 m3 along with lowest water level is 50 m - Valuble volume is around 2,547 109 m3 - Toal area of water surface is around 323 km2 PGS.TS LÊ QUỐC TUẤN Roles of Tri An lake water resource 3.1 Eclectrical power supply - Tri An hydroelectric plant was built on water reservoir can make use of available water soruce of Dong Nai river system to create electric power source - Tri An hydroelectric plant had power units with total designed capacity about 400 MW, anual average capacity that this hydroelectric plant supplies for southern region about 106 kW/h PGS.TS LÊ QUỐC TUẤN Roles of Tri An lake water resource 3.2 Fishery development - Tri An lake covers an area of over 323 km2, the lake is full of elements for developing fresh-water fishery such as: shallow water, Flat bottom, fresh water - Currently, There are more 800 wherries, 700 fish rafts still working on Tri An lake with over 5000 workers in it Exploiting fish from Tri An lake PGS.TS LÊ QUỐC TUẤN Roles of Tri An lake water resource 3.2 Fishery development - Fishery of dong nai exploits over 1.000 ton of fish every year and some years up to 1.500 – 1.700 ton - This is a big profit for Dong Nai people, if they can be managed and exploited well, their efficient can come so much Fish rafts in Tri An lake PGS.TS LÊ QUỐC TUẤN Roles of Tri An lake water resource 3.3 Use for agriculture - People who live around the Tri An hydroelectric reservoir use its water to irragate their drops, in special this place has a grapefruit garden with an area more than 235 - In addition, farmers also use the water from the lake to irragate for vegetables,… and cattle feeding PGS.TS LÊ QUỐC TUẤN Roles of Tri An lake water resource 3.4 Use for industry - The water source of Tri An lake is not still exploited for industry, it only exploits for domestic water supply 3.5 Use for living activities - It has been a domestic water supply plant which is placed at Thien Tan commune, Vinh Cuu town to use the water source from Tri An lake - Thien Tan water supply plant was built in 2000 with capacity of 100.000 m3/ day and night has supplied the domestic water to people of Bien Hoa city, people of center of Long Thanh Town, BH1 and BH2 industry park, … PGS.TS LÊ QUỐC TUẤN Roles of Tri An lake water resource 3.6 Improve environment - The recently scienctific results showed that the number of small rains increases around the reservoir, along with the increase of related phenomenon such as: mist, fog, low clouds, so on - The relative humidity of air in dry season is 3- 4% higher than before, the temperature in night is 0,3 – 1,50 C lower than last seasons PGS.TS LÊ QUỐC TUẤN The status of water resource management - The 2012 water resource law and related legal regulations had been established for managing and using Dong Nai water resource at Vinh Cuu town - Coordinating with governmnent agency, media to propagate and disseminate the law of water resources, regulations on licensing of discharge into water sources - Propagating and disseminating the laws of water resources through websites and newsletters CONCLUSION The Tri An hydroelectric lake keeps importain roles to southern region in which the total water is contained in it It not only provides electric for people but also irrgates in agriculture Besides, the water resource of Tri An lake also provides fish and harmonizes the climate So we need to protect them PGS.TS LÊ QUỐC TUẤN ... activities (wikipedia) - what is Man-made reservoirs ? A reservoir usually means an enlarged natural or artificial lake, storage pond or impoundment created using a dam or lock to store water (Wikipedia)