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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Goolwa Barrages ： ウィキペディア英語版 Goolwa Barrages The Goolwa Barrages comprise five barrage structures in the channels separating Lake Alexandrina from the sea at the mouth of the River Murray and the Coorong in Australia. They were constructed in order to firstly reduce salinity levels in the lower reaches of the River Murray, Lake Alexandrina and Lake Albert and secondly to stabilise the river level, for both upstream irrigation and pumping. == History == Prior to the barrages, during periods of low flow tidal effects and the intrusion of seawater were felt up to upstream from the mouth of the River Murray, approximately as far inland as the river port at present-day Swan Reach.〔Murray Darling Basin Commission, "()" Retrieved 17 Nov 2012〕〔(【引用サイトリンク】url=http://www.mdba.gov.au/what-we-do/managing-rivers/river-murray-system/dams-weirs/the-barrages )〕 From the 1900s, with the advent of large irrigation schemes, landowners along the lower reaches of the river strongly urged for the construction of barrages, primarily to keep the water fresh in the lower reaches of the River Murray, as well as Lake Albert and Lake Alexandrina. In 1931, the Murray-Darling Basin Commission authorized the construction of five barrages. Work on the barrages commenced in 1935 and was completed in 1940. South Australia's Engineering and Water Supply Department undertook the works, with costs shared equally by the Governments of South Australia, Victoria, New South Wales and the Commonwealth of Australia. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Goolwa Barrages」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.