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２０２３年８月３１日 ブラジル，アマゾン水系，トロンベタス川のカショエイラ・ポルテイラ水力，焦点
ブラジル，今日の現地紙（Mongabay）は，アマゾン河開発の環境上の問題を議論しているのだが，その中で取り上げておきたいのは，アマゾン左岸支流トロンベタス川（Rio Trombetas）の開発問題である，水源はスリナムとの国境に発して南に流れ本流に合する，延長は７５０キロ，流域は不明，
アマゾン左岸支流トロンベタス川（Rio Trombetas）には，２０００年代に入ってから３００万ＫＷの巨大なダム開発計画，カショエイラ・ポルテイラ水力（Cachoeira Porteira D&R complex）が浮上，一時は環境問題から削除されたが，２０１９年に至って復活，スリナムへのハイウエーも浮上する
トロンベタス川（Rio Trombetas）はもう少し詳しく見ておく必要があるが，「その長いコースは激しい流れ，岩だらけの障壁，急流によって頻繁に中断され」と記述されているところを見ると，いくつかの滝があるようで，ダム開発，水力発電には格好の河と思われる，政府の取り組みを注視する，
ブラジル，アマゾン水系，トロンベタス川のカショエイラ・ポルテイラ水力，焦点
A230830 Mongabay
https://onl.sc/z67mqxt
Hydropower in the Pan Amazon: Rio Trombetas and Calha Norte - Mongabay
Hydropower development has relatively strong support among the inhabitants of both Amapa and Roraima. In Amapa, the D&R unit at Ferreira Gomes ...
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２０２３年８月３０日８時１１分
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A230831 ANTARA News
https://onl.sc/GZ55mSk
Indonesia has huge potential to develop green economy: President - ANTARA News
The industrial area will use hydropower from the Kayan River in that area. "If we use this power properly, it will become our country's strength ..
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Hydropower in the Pan Amazon: Rio Trombetas and Calha Norte - Mongabay
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https://onl.sc/fMc6cx2
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A230825 Hellenic Shipping News Worldwide
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A230825 Eco-Business
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District's encouraged to look into hydropower - Post Courier
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A230825 Mongabay
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A230824 Latin Finance's
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A230824 Latin Finance's https://onl.sc/bruNzm9
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A230824 Dawn
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A230824 Associated Press Of Pakistan
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A230824 Dunya News https://onl.sc/K9gkdhb
Land acquisition for Dasu hydropower project completed: Wapda chairman - Dunya News
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A230823 Dhaka Tribune https://onl.sc/fgcxBkN
Spokesperson: Dhaka trying to get sufficient info on China hydroelectric dams
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Archives
A230823 China.org https://onl.sc/Bptfgdu
Chinese-built power plant in Uganda launches fourth turbine set, moving closer to ...
22 (Xinhua) -- Chinese-built Karuma Hydropower Plant, in north-central
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its .
A230822 Lowy Institute https://onl.sc/6v7Z2Pr
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A230819 InfoGuide Nigeria https://onl.sc/PfbcyGm
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A230819 uc.edu.kh https://onl.sc/Niq33n8
安威 川 ライブ カメラ
大阪府河川室のHPでは、安威川の水位情報や河川カメラの映像を確認できます。 ... は終了しました 大阪府では、現在、安威川ダム本体工事を進めています。
A230819 Dhaka Tribune https://onl.sc/fgcxBkN
Spokesperson: Dhaka trying to get sufficient info on China hydroelectric dams
Earlier, media reports on China's major hydropower project on the Brahmaputra
River (Yarlung Zangbo River) in Tibet raised concerns in India and ...
A230819 Longview News-Journal https://onl.sc/PNkhAV9
BRI has brought positive changes to world: Argentine experts - Longview News-Journal
18, 2023LENGTH: 00:01:48LOCATION: Buenos AiresCATEGORY: POLITICSSHOTLIST:1.
various of hydropower project construction site in Argentina2. various
...
A230817 The Global Herald https://onl.sc/gRf9Sj9
Green Development Commitment - The Global Herald
To fulfill this commitment, China built six mega hydropower stations on
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A230817 Mongabay https://onl.sc/gde9LEx
Hydropower in the Pan Amazon: Tucurui and the Tocantins Cascade - Mongabay
The oldest hydropower facility in the Brazilian Amazon is the Tucurui D&R
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A230817 Mirage News https://onl.sc/gwH1rLg
18th Round of Talks to Update Columbia River Treaty Begins | Mirage News
... planning for Treaty hydropower operations, integrating Canada's desire for greater flexibility, establishing mechanisms for incorporating ...
A230817 New Telegraph https://onl.sc/f4Wvb2v
Hydropower, Nigeria's Cheapest Source Of Electricity At N3.67 kW/hour - New Telegraph
According to it, in electricity market invoices for 2023, hydropower plants charged an energy tariff of 3.67N/kWh, compared to the industry average of ...
Archives
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ブラジル，アマゾン水系，トロンベタス川のカショエイラ・ポルテイラ水力，焦点
ブラジル，アマゾン水系，トロンベタス川のカショエイラ・ポルテイラ水力，焦点
A230830 Mongabay https://onl.sc/z67mqxt
Hydropower in the Pan Amazon: Rio Trombetas and Calha Norte - Mongabay
Hydropower development has relatively strong support among the inhabitants of both Amapa and Roraima. In Amapa, the D&R unit at Ferreira Gomes ...
さらに物議を醸しているのは、最近発表されたリオ・トロンベタス川のカショエイラ・ポルテイラ（3GW）D&R複合施設の開発を復活させる計画である。この計画は 1980 年代に初めて提案され、2006 年に国家の長期エネルギー戦略の策定を担当する鉱山エネルギー省内の機関であるEmpresa de Pesquisa Energética (EPE) によって、ダム候補地の国家目録に組み込まれました。しかし、その報告書では、EPEは、これらの候補地のうち2か所が保護区内にあり、2か所が先住民族の領土内にあり、2か所がINCRAが後援するキロンボーラのコミュニティへの和解証書内にあると述べた。
カショエイラ・ポルテイラ計画は 2014 年に予備評価の対象となり、地元コミュニティとの協議の結果、検察庁はトロンベタス流域の予定地すべてを将来の開発の検討から外すよう勧告した。カショエイラ・ポルテイラの開発は、BR-163高速道路をスリナム国境まで延長し、カリハ・ノルテを開発に開放するというジャイル・ボルソナロの計画の一環として、2019年1月に復活した。
ロンベタス川はブラジルのアマゾン川で、アマゾン川の北（左）岸の支流です。パラー州全体を走っています。その長さは760kmです。1
地理
トロンベタス川はガイアナの高地、アカラ山脈に源をもつ黒い水の川で、一部の支流の水源の一部はガイアナとスリナムに源を発しています。南方向に流れており、その長いコースは激しい流れ、岩だらけの障壁、急流によって頻繁に中断されます。上流ではアナム川とトゥルナ川が流れ込みます。中間コースではトロンベタス川の生物保護区に隣接し、ティアゴとポルテイラスの町を通過した後、右岸でイマブ川とマプエラ川（340 km）を受けます。
すでに下流路のほぼ河口付近で、パル・デ・オエステ川またはクミナ川が左から流れ込んでいます（710km）。最後の区間では、オビドス市の北にあるアマゾン川とさまざまな水路でつながっている一連の湿原湖に流れ込みます。たとえば、エレペク湖 (面積 132 km、長さ 34 km、幅 8 km) や他の 2 つの名前のない湖などです。湖（146km²、長さ42km、幅11km）。その岸辺にはオリキシミナの町があります。
最初の滝であるポルテイラまでの川の下流部は浅くて湿地ですが、長く続く急流や滝の上では渓谷の様相が一変し、気候もはるかに良くなります。この川は河口から 135 キロメートル上までしか航行できません。
ナムンダ川とクミナパネマ川の間の左岸でアマゾン川に流れ込みます。
Ferreira Gomes (250 MW)
Cachoeira Caldeirao (219 MW)
Bem Querer (650 MW) on the Rio Branco
Cachoeira Porteira (3 GW) D&R complex on the Rio Trombetas
Hydropower development has relatively strong support among the inhabitants of both Amapa and Roraima. In Amapa, the D&R unit at Ferreira Gomes (250 MW) and the
R-o-R dam at Cachoeira Caldeirao (219 MW) were built between 2008 and 2016 with minimal opposition. In Roraima, the proposed development of the Bem Querer (650 MW) on the Rio Branco has strong support from the business sector in Boa Vista. The proposed D&R unit would flood approximately 56,000 hectares but is located on a landscape long impacted by smallholder settlements and would not infringe on any existing protected areas or Indigenous territories. Environmental advocates oppose the dam because studies show that it will impede the annual migration of the goliath catfish and impact the geochemistry of the Rio Negro.
Even more controversial is the recently announced plan to resurrect the development of the Cachoeira Porteira (3 GW) D&R complex on the Rio Trombetas. First proposed in the 1980s, it was included in the national inventory of potential dam sites in 2006 by the Empresa de Pesquisa Energetica (EPE), the agency within the Ministry of Mines and Energy responsible for developing the nation’s long-term energy strategies. In that report, however, the EPE observed that two of these potential sites were located within a conservation unit, two in Indigenous territory, and two in an INCRA-sponsored settlement deeded to Quilombola communities.
The Cachoeira Porteira project was subject to a preliminary evaluation in 2014, and following consultation with the local communities, the public prosecutor’s office recommended that all of the proposed sites in the Trombetas watershed be removed from consideration for future development. The development of Cachoeira Porteira was resurrected in January of 2019 as part of Jair Bolsonaro’s plan to extend the BR-163 highway to the border with Suriname and open the Calha Norte to development.
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