Sentences with phrase «by irrigation dams»

Not exact matches

The dam and irrigation system were designed by locals, built by locals, and are so well - maintained by locals that they have become completely self - sustaining with no funding from World Vision necessary.

Perhaps inevitably, dam projects have thus frequently created poverty and damaged ecologies, for example by causing displacement and by undermining useful ecological phenomena like annual flooding that spreads irrigation water and fertile soil.

But 30 dams on the Guadalquivir, with a total capacity of more than 4 cubic kilometres of water, plus local irrigation schemes, have caused water tables in the wetland to fall by up to 50 centimetres a year.

Deltas can also sink as old river sediments compact under their own weight and water carrying replacement sediments is held back by dams or diverted for irrigation.

They are a kind of democratic organization in which the farmers whose fields are fed by the same water source, meet regularly to coordinate plantings, to control the distribution of irrigation water and to plan the construction and maintenance of canals and dams, as well as to organize ritual offerings and subak temple festivals.

The Klamath River Basin Restoration Agreement includes a program to rebuild fish populations, more predictable irrigation water allocations for farmers, reliable water supplies for the basin's national wildlife refuges, and assistance for counties impacted by the removal of PacifiCorp's dams.

Driven by political pressure of «primacy to accumulation and irrigation» above all else, Banqiao Dam had only 5 of the 12 sluice gates recommended by hydrologist Chen Xing.

Infrastructure (e.g. roads, buildings, dams and irrigation systems) will be affected by extreme events associated with climate change.

From their trawlers scraping the floors of the seas to their dams impounding sediment by the gigatonne, from their stripping of forests to their irrigation of farms, from their mile - deep mines to their melting of glaciers, humans were bringing about an age of planetary change.

The Indus Basin Irrigation System gets its water supply from the Tarbela dam on the Indus River and the Mangla dam on the Jhelum River, both of which are located in the upper Indus basin and are fed largely by glacier meltwater.

1) Negatively: Clouds and cloud formation, mostly 2) Positively: Shallow waters caused naturally or by human activities such as putting up dams in rivers and making shallow pools & reservoirs for irrigation and water consumption.