water proj

water proj - Andrew Lucas March, 17, 2008 Oil and Water As...

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Andrew Lucas March, 17, 2008 Oil and Water As you know, our planet is facing a serious problem in regards to freshwater supply. U.S. withdraws over 400 billion gallons of water per day for consumption, freshwater accounts for almost 90% of these withdrawals. Almost 50% of these withdrawals are used for thermoelectric power. Texas, Florida, and California account for almost ¼ of the United States’ total water consumption. California is the leading consumer of freshwater in the U.S. Santa Barbara receives a good amount of California’s water for its own agricultural use. In this paper, I will be discussing Santa Barbara’s water resources, the management and conservation of this water, and the water’s role on agriculture in Santa Barbara City. Santa Barbara country receives its freshwater supply from several different places. A large portion of it comes from the Cachuma Project. This reservoir supplies Santa Barbara and the surrounding area with 25,714 AFY. Santa Barbara City utilizes 8,277 AFY of this water. The reservoir does have dry years, however. These dry years can bring about shortages of up to 20% at times. The reservoir located on the Santa Ynez Rivers. The drainage area of the basin is around 417 square miles. The construction of the reservoir was completed back in the early 1950’s. The reservoir is home to Bradbury Dam. Bradbury Dam is an earth fill dam, meaning it was constructed out of the earth and rocks located nearby. This allowed for a cheap construction of the dam, allowing more money to be spent on the construction of the Tecolote Tunnel and the South Coast Conduit which transport the freshwater from the reservoir to Santa Barbara City and the surrounding area. Construction on these waterways was competed in 1956. Combined, the length of the two waterways is over thirty miles. The Tecolote Tunnel takes the water as far as Goleta, while the South Coast
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Andrew Lucas March, 17, 2008 Oil and Water Conduit takes the freshwater through Santa Barbara and the Cater Water Treatment Plant, then over to Montecito and Carpenteria. There are also four other reservoirs that were built to regulate the flow of water in certain cases. Current capacity of the Cachuma project is estimated to range from 188,035 AF to 190,409 AF. Another major supplier of Santa Barbara’s freshwater supply is the Gibraltar Reservoir. The Gibraltar Reservoir has an annual yield of about 5,000 AF. The reservoir has a capacity of a little more than 7,000 AF, and currently it is only at about 1/3 of its capacity at about 2,560 AF.
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This note was uploaded on 06/09/2008 for the course GEOG 12 taught by Professor Gautier during the Winter '08 term at UCSB.

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water proj - Andrew Lucas March, 17, 2008 Oil and Water As...

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