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Title
A Study on the Environmental Assessment of Tidal Power Generation
Hit
1371
Category Etc
SOURCE
Url http://www.konetic.or.kr/insight/climate_view.asp?tblNm=TBL_ENV_THEMA&unique_num=4415&skey=&gotopage=1&tabcode=

Introduction

The purpose of this study is to propose guidelines for an environmental assessment suitable for South Korean coastal areas when implementing tidal power generation projects and for the proper facilitation of the project so that it may be implemented as an eco-friendly energy development project. Researches on tidal power generation mostly focused on technological development, resource investigation, and economic feasibility: researches on the impact of tidal power generation to the marine environment are relatively lacking. In addition, while the New & Renewable Energy R&D Strategies 2030 [Ocean]. established by the Ministry of Trade, Business and Energy and Korea Energy Management Corporation, included investigation of candidate sites for tidal power generation available for achieving tidal power generation within the period from 2008 to 2012; a feasibility analysis on energy development; and the development of environmental impact methods capable of predicting, evaluating, and analyzing the environmental impacts of tidal power generation, no other research could be found in South Korea that discusses development and proposal of environmental impact methods related with tidal generation project. These circumstances highlight the necessity of this study and its uniqueness from existing previous studies.

  To derive environmental assessment plans for tidal power generation projects, the study first introduced domestic and foreign policies related with tidal power generation projects, as well as environmental impact assessment systems. Next, the study investigated the impact of tidal power generation on the marine environment: although still in the experimental phase along with literature review, the results of environmental impact investigation on the project sites at Uldolmok and Jangjuksudo were compared with the previous data. Finally, the study classified and provided the guidelines for environmental assessment as follows: selection of appropriate locations, data collection / analysis for environmental impact assessment, and detailed method of impact assessment during the environmental impact assessment phase.

  This study proposed four institutional improvements aimed at ensuring environmental feasibility of tidal power generation projects. The study first proposed expansion of administrative plans subject to strategic environmental assessment to review appropriateness of the plans and reasonableness of their locations in the early stages of each project. Second, this study proposed implementation of strategic environmental impact assessment for power generation industries by reinforcing designation of power source development district, which is not mandatory at present. Third, the study proposed other alternatives, such as reconfiguring the scope of environmental impact assessment, currently set at “10,000-kW capacity” by adjusting the capacity criteria or changing the criteria for occupied areas. Finally, the study proceeds with the approval/permission and environmental impact assessment for tidal power generation projects by each complex, rather than by individual facility.

  As for the factors and methods for determining locations of tidal power generation, the study proposed comprehensive consideration of various locational factors—abundance of tidal energy, separation between deepwater and coast, environmental conservation sea area, and marine activities by humans— and establishment of plans to review the appropriateness of the location of a marine zoning plan. In particular, the study stressed that creating a tidal power generation complex around certain areas designated as a pilot district for tidal power generation or as a development district based on marine space information data is a viable plan for selecting the location for the complex that is conducive to securing economic and environmental feasibility as well as deriving a social consensus.

  The impact of marine environmental on the actual marine area showed similar patterns to the previous data, and also observed were changes of dominant species and biota. However, the lack of data and time for investigation restricted identification of seasonal characteristics and causes for changes. Based on these findings, the study proposed construction of a medium-sized complex instead of a large-sized tidal power generation complex to perform continuous monitoring and using the acquired data to identify environmental impacts. At the same time, the study suggested the need for sharing monitoring data with tidal power generation complex operators overseas and expansion of the complex after verifying that the medium-sized complex does not cause serious environmental problems.

  This study is distinguished from other studies in that it reviewed and summarized domestic and overseas researches that analyzed the environmental impacts of tidal power generation projects, and proposed a plan for reviewing the suitability of the locations of the power generation project as well as guidelines for various phases of environmental impact assessment. The guidelines proposed in this study are expected to bring about reduction of the time required for consultation regarding environmental impact assessment, and to be used as a way to supply and expand eco-friendly renewable marine energy.

Subject

Conclusion

file
(eng)14Biz-20_A Study on the Environmental Assessment of Tidal Power Generation.pdf 
update
25-08-2014
No Category Title file Update Hit
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