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Intake was constructed with 4 sluice gates of 3m in width and 2.5 m in height. It satisfies the requirement of getting 25m3/s flow with 1.25 m/s intake flow velocity. The intake conveys the water into the concrete headrace channel. The intake is 30m long, 20m wide and 2.2m deep. [1]
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Debris flow channel with deposits left after 2010 storms in Ladakh, NW Indian Himalaya. Coarse bouldery levees form the channel sides. Poorly sorted rocks lie on the channel floor. Debris flow in Saint-Julien-Mont-Denis, France, July 2013 Scars formed by debris flow in Ventura, greater Los Angeles during the winter of 1983. The photograph was ...
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The earliest examples of irrigation works in Sri Lanka date from about 430 BCE, during the reign of King Pandukabhaya, and were under continuous development for the next thousand years. In addition to constructing underground canals , the Sinhalese were the first to build completely artificial reservoirs to store water , referred to as tanks ...
Rain clouds over a tank in Sri Lanka The tank cascade system ( Sinhala : එල්ලංගාව , romanized: ellaṅgāva ) is an ancient irrigation system spanning the island of Sri Lanka . It is a network of thousands of small irrigation tanks ( Sinhala : වැව , romanized: wewa ) draining to large reservoirs that store rainwater and ...
A section of a hillside collapsed into the lake, generating a tsunami which reached a maximum height of 12 feet (3.7 m) along the opposite shore less than 1,000 yards (910 m) away, where it struck a campground. A number of people were washed into the lake, but all survived. [78] [148] 1 Sep 2009 Karrat Fjord, Greenland: Karrat 2009 rock avalanche
Debris flow channel scoured out by the passage of a debris flow. A flow is a spatially continuous movement in which surfaces of shear are short-lived, closely spaced, and usually not preserved. The distribution of velocities in the displacing mass resembles that in a viscous liquid.