In geometry, a trapezoid in North American English, or trapezium in British English, is a quadrilateral that has at least one pair of parallel sides.
Constructive solid geometry is a technique used in solid modeling. Constructive solid geometry allows a modeler to create a complex surface or object by using Boolean operators to combine simpler objects, potentially generating visually complex objects by combining a few primitive ones.
Tōbetsu is a town located in Ishikari, Hokkaido, Japan.
Ishikari is a district located in Ishikari Subprefecture, Hokkaido, Japan.
The Council of State Governments (CSG) is a nonpartisan, non-profit organization in the United States that serves all three branches of state government. Founded in 1933 by Colorado state Sen. Henry W. Toll, CSG is a region-based forum that fosters the exchange of insights and ideas to help state officials shape public policy.
Oshima-Tōbetsu Station is a railway station on the South Hokkaido Railway Line in Hokuto, Hokkaido, Japan, operated by South Hokkaido Railway Company.
Hidaka-Tōbetsu Station is a railway station on the Hidaka Main Line in Shinhidaka, Hokkaido, Japan, operated by the Hokkaido Railway Company.
Tōbetsu Station is a railway station on the Sasshō Line in Tōbetsu, Hokkaidō, Japan, operated by the Hokkaido Railway Company. The station is numbered G13.
The Okukubi Dam (億首ダム) is a trapezoidal cemented, sand and gravel (CSG) dam on the Okukubi River in Kin, Okinawa Prefecture, Japan. Construction began in 2009 and its reservoir was filled by 31 March 2013. It is the first trapezoidal CSG-type to be constructed as a main dam in the world. Its purpose is to provide flood control and water for municipal use along with the irrigation of 70 ha of land.
The Stop CSG Party was a registered minor political party in Australia that ran candidates in the 2013 federal election.
Ganale Doria is a dam located near Genale on the river Shabelle. It was built in the south of Somalia in the 1920s along with an extensive network of canals. The dam was strongly promoted by Cesare Maria De Vecchi - Italian governor of Italian Somalia from 1924 to 1928 - in order to provide water for irrigation of a vast territory between Genale, Merca and Vittorio di Africa, to be given in concession to colonists.
The Folsom South Canal is an aqueduct in Northern California in the United States. The canal diverts water from the American River at Nimbus Dam in Sacramento County and travels about 26.7 miles (43.0 km) in a southerly direction, terminating near Clay, about 10 miles (16 km) northeast of Lodi. The canal is operated by the U.S. Bureau of Reclamation, as part of the Auburn-Folsom South Unit of the Central Valley Project. It is contracted for irrigation, industrial and municipal water supply; formerly it provided cooling water for the Rancho Seco Nuclear Generating Station. It is also connected to the Mokelumne Aqueduct, which provides a large portion of the San Francisco Bay Area's water supply.
The Xerez Cromlech, also known as the Xarez Cromlech, is a megalithic complex that is believed to date back to the 4th or 5th millennia BCE. It is situated near the town of Monsaraz in the Évora district of the Alentejo region of Portugal, close to the Spanish border. The present site of the cromlech is not its original location. Due to the construction of the Alqueva Dam for hydroelectric purposes, which led to the flooding of the original site from 2002, it was transferred from an area that is now under water to its present site close to the Orada Convent. This was the only monument to be moved, with the dam leading to the disappearance of prehistoric engravings and the Roman Castelo da Lousa.
ROYCE' Town Station (ロイズタウン駅) is an infill railway station on the Sasshō Line in Tōbetsu, Hokkaidō, Japan. The station is operated by the Hokkaido Railway Company.
Chokai Dam is a trapezoidal dam located in Akita Prefecture in Japan. The dam is used for flood control, water supply and power production. The catchment area of the dam is 83.9 km2. The dam impounds about 310 ha of land when full and can store 46800 thousand cubic meters of water. The construction of the dam was started on 1993.
Naruse Dam is a trapezoidal dam located in Akita Prefecture in Japan. The dam is used for flood control, irrigation, water supply and power production. The catchment area of the dam is 68.1 km2. The dam impounds about 226 ha of land when full and can store 78500 thousand cubic meters of water. The construction of the dam was started on 1983. As of 2022, it is still under construction with completion planned for 20 March 2023.
Apporo Dam(Japanese: 厚幌ダム) is a trapezoidal dam located in Hokkaido Prefecture in Japan. The dam is used for flood control, irrigation and water supply. The catchment area of the dam is 105.3 km2. The dam impounds about 303 ha of land when full and can store 47400 thousand cubic meters of water. The construction of the dam was started on 1986 and completed in 2018.
Mikasabonbetsu Dam(Japanese: 三笠ぽんべつダム) is a trapezoidal dam located in Hokkaido Prefecture in Japan. The dam is used for flood control. The catchment area of the dam is 35.4 km2. The dam impounds about 55 ha of land when full and can store 8620 thousand cubic meters of water. The construction of the dam was started on 1985 and completed in 2023.
Sanru Dam(Japanese: サンルダム) is a trapezoidal dam located in Hokkaido Prefecture in Japan. The dam is used for flood control, water supply and power production. The catchment area of the dam is 182.5 km2. The dam impounds about 380 ha of land when full and can store 57200 thousand cubic meters of water. The construction of the dam was started on 1988 and completed in 2018.
Tutusago Dam(Japanese: 筒砂子ダム) is a trapezoidal dam located in Miyagi Prefecture in Japan. The dam is used for flood control, irrigation and power production. The catchment area of the dam is 42.4 km2. The dam impounds about 151 ha of land when full and can store 45700 thousand cubic meters of water. The construction of the dam was started on 2013.
