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Most water in Earth's atmosphere and crust comes from saline seawater, while fresh water accounts for nearly 1% of the total. The vast bulk of the water on Earth is saline or salt water, with an average salinity of 35‰ (or 3.5%, roughly equivalent to 34 grams of salts in 1 kg of seawater), though this varies slightly according to the amount of runoff received from surrounding land.
Sri Lanka, formerly called Ceylon, is an island nation in the Indian Ocean, southeast of the Indian subcontinent, in a strategic location near major sea lanes. [1] The nation has a total area of 65,610 square kilometres (25,330 sq mi), with 64,630 square kilometres (24,950 sq mi) of land and 980 square kilometres (380 sq mi) of water. [1]
According to the Ceylon Electricity Board, the US$455 million first phase generates nearly 1.7 TWh of electricity annually — a significant amount when compared to Sri Lanka's total production of 11.5 TWh in 2011. The plant is connected to the grid via 115 km (71 mi) 220-kilovolt transmission line to Veyangoda.
Website. waterboard .lk. The National Water Supply and Drainage Board (commonly abbreviated as NWSDB) is the National Organization responsible for the provision of safe drinking water and facilitating the provision of sanitation to the people in Sri Lanka. The organization had its beginning as a subdepartment under the Public Works Department ...
The hydropower resource in Sri Lanka is divided into two main regions based on water resource, namely the Mahaweli Complex and Laxapana Complex. [14] [15] While most hydroelectric power stations are named after their water source (i.e. the name of the dam and/or reservoir), a number of facilities have different names due to the fact that they ...
Earth 's surface is dominated by the ocean, which forms 75% of Earth's surface. An ocean world, ocean planet or water world is a type of planet that contains a substantial amount of water in the form of oceans, as part of its hydrosphere, either beneath the surface, as subsurface oceans, or on the surface, potentially submerging all dry land.
Currently most of the objects of mass between 10 9 kg to 10 12 kg (less than 1000 teragrams (Tg)) listed here are near-Earth asteroids (NEAs). The Aten asteroid 1994 WR12 has less mass than the Great Pyramid of Giza, 5.9 × 10 9 kg. For more about very small objects in the Solar System, see meteoroid, micrometeoroid, cosmic dust, and ...
Dams in Sri Lanka. The Victoria Dam on 15 April 2011. Three days after its 26th anniversary of opening. Randenigala Dam in 2013. Upstream view of the Kotmale Dam. Open spillways of the Rajanganaya Dam. Irrigation dams with a length and height of more than 100 m (330 ft) and 10 m (33 ft) are listed, including all the state-run hydroelectric ...