Assessment of secure exploitation reserv

J Environ Sci Public Health 2020; (1): 005-015 DOI: 10.26502/jesph.96120081 Research Article Assessment of Secure Exploitation Reserve of Groundwater Source in Camau Peninsula, Vietnam Nguyen Dang Tinh1 ⃰ , Phan Thai Le2, Dong Uyen Thanh3, Nguyen Ngoc Quynh4, Ngo Duc Chan4 Thuy Loi University, Hanoi, Vietnam Danang Water Supply Joint Stock Company, Da Nang, Vietnam Faculty of Geology and Petroleum engineering, HoChiMinh City University of Technology, Ho Chi Minh City, Vietnam Division for water resources planning and investigation for the south of Viet Nam (DWRPIS), Ho Chi Minh City, Vietnam * Corresponding Author: Nguyen Dang Tinh, Thuy Loi University, Hanoi, Vietnam, Tel: +84.283.8404743; E-mail: dangtinh@tlu.edu.vn Received: 12 February 2020; Accepted: 25 February 2020; Published: 25 March 2020 Citation: Nguyen Dang Tinh , Phan Thai Le, Dong Uyen Thanh, Nguyen Ngoc Quynh, Ngo Duc Chan Assessment of Secure Exploitation Reserve of Groundwater Source in Camau Peninsula, Vietnam Journal of Environmental Science and Public Health (2020): 005-015 Abstract difficulties in the exploitation and usage of the fresh In the Camau Peninsula, groundwater is an important groundwater The paper uses data collected from the freshwater source, which has been being exploited studies of specialized agencies and localities that have and used widely, playing a very important role in the been implemented so far The study results show that progress of socio-economic development in the potential groundwater and exploitation secure reserve is localities in the Peninsula However, due to the local 11,340,100m /day exploitable natural characteristics, the law of distribution of good groundwater reserve is 741,500m3/day for the entire quality water is complicated by the presence of Camau Peninsula saltwater layers in the aquifers, causing many Journal of Environmental Science and Public Health J Environ Sci Public Health 2020; (1): 005-015 Keywords: Groundwater; Camau Peninsula; Potential DOI: 10.26502/jesph.96120081 Hydrogeology; development, secure exploitable groundwater reserve is groundwater oriented It is essential information for groundwater exploitable resources planners and managers Potential exploitable reserve; Secure exploitable groundwater reserve groundwater reserve is a common question in Introduction Secure Exploitable hydrogeological study There are methods for its Groundwater reserves of a determination However, once this groundwater groundwater basin or aquifer system is defined as the exploitable reserve is totally exploited, the groundwater amount of water that can be exploited from it without resources will be degraded In natural conditions such producing an undesired effect [1, 2] secure exploitable as in Camau peninsula, groundwater exploitation groundwater reserves yielde limit to the quantity of usually water and horizontal) Therefore, how much groundwater can be permanently without dangerous depletion of the storage exploited to assure sustainable development purpose? reserve He was also the first to recognize the need to This question is related to secure groundwater reserve a fraction of the recharge for the benefit of the exploitable reserve As a result, a maximal quantity of surface waters and related ecosystems [3] realized that groundwater must be determined such that the all groundwater is formed by continuously moving sustainable development purpose be assured In this through a porous environment, from the recharge zone paper, question of sustainable groundwater exploitation to the discharge area He recognized that in its pristine is approached by determination of secure exploitable condition, the aquifer was in an approximate dynamic groundwater reserve with groundwater flow modeling equilibrium Until groundwater is extracted (drained by in combination with groundwater sustainability index pumps), the aquifers will form a new balance by: [4] increasing the natural recharge capacity; reduce natural This index which can be exploited regularly emissions; loss of storage in aquifers; or combine them induces is Total exploited amount Total recharge amount Hydrogeological study for an area in Viet Nam, determination of groundwater exploitable reserve is a usual obligatory requirement Depending on concrete investigation stage or requirement of a project, a grade of reserve will be determined As for detailed investigation exploitation projects (groundwater license), an calculated intrusion with (vertical formula: and 𝐼= 𝑥100% I