Waar bouw je een stuwdam?
Bijvoorbeeld in Japan en Noorwegen worden stuwdammen gebouwd. Daar valt er veel neerslag plus ze hebben daar genoeg water en veel hoogteverschillen. In die twee landen krijgen mensen voldoende drinkwater en ze kunnen met behulp van waterkrachtcentrales goedkoop schone elektrisch energie opwekken.
Hoe is het stuwmeer ontstaan?
Het meer is ontstaan door de bouw van de Afobakadam, een stuwdam in de Surinamerivier. Het meer is groot maar ondiep. Het is nergens dieper dan veertig meter. Toen de dam aangelegd werd, is het gebied dat onder water zou lopen niet kaalgekapt.
What is the Elwha Dam?
The Elwha Dam was a 108-ft (33 m) high dam located in the United States, in the state of Washington, on the Elwha River approximately 4.9 miles (7.9 km) upstream from the mouth of the river on the Strait of Juan de Fuca . The Elwha River Ecosystem and Fisheries Restoration Act of 1992 authorized the US Federal Government…
What are the negative consequences of removing the Elwha dams?
Negative Consequences of removing the Elwha Dams are many and varied. Removing other hydroelectric dams would have their own unique negative consequences. Building more hydroelectric dams on the Olympic Peninsula would be a wise utilization of the abundant natural resource of falling, flowing, fresh water, capturing the energy from the sun.
Why are there no fish ladders on the Elwha River?
The Elwha River Ecosystem and Fisheries Restoration Act of 1992 created funding and government support for mitigation of the dams on the Elwha. While fish ladders were proposed as a possibility, they were ultimately ruled out for the reasons given in the previous section.
Are there restoration prospects for fish in the Elwha River?
Restoration prospects for various species of fish in the Elwha River. Prospects are presented for the different options and degrees of dam removal or fish bypass plans. Shows that removal of both dams results in the best prospects for all types of fish.