BIO SCI 55 Lecture Notes - Lecture 11: Silt, Rain Shadow, Sonoran Desert
17 Nov 2017
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Document Summary
Water, water, water and we want more! Fifteen to twenty-inch rainfall line (not enough water for our agriculture needs: maldistribution with regard to: California and the west: do we have enough water to meet our needs, no and yes-maybe . Some cali water facts: all water belongs to the state, must be put to highest beneficial use. , waste and unreasonable use to be prevented, surface water: legal entitlement necessary, ground water: available to anyone with a pump. Enough to cover all of the state in eight ft of water. Surface water vs ground water: normal years. 2/3rds of water used in cali from surface water. 1/3rd of water used from ground water: drought years. Some water number facts (know this: acre foot of water: amount of water needs to cover acre of land (about a football field) to depth of one foot, approx. 325,000 gallons: will support water needs of 8 average" people for one year. (know this)
