18 - EARTH AND PLANETARY SCIENCES 80 Professor Berry...

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EARTH AND PLANETARY SCIENCES 80 Professor Berry 3/31/10 Lecture 18 ASUC Lecture Notes Online is the only authorized note-taking service at UC Berkeley. Do not share, copy or illegally distribute (electronically or otherwise) these notes. Our student-run program depends on your individual subscription for its continued existence. These notes are copyrighted by the University of California and are for your personal use only. D O N O T C O P Y Sharing or copying these notes is illegal and could end note taking for this course. ANNOUNCEMENTS First of all, your grades are planned to be on bSpace by tomorrow. But by doing careful jobs on your observations and your audit, you should get a very good grade. These account for 50% of your grade. Also in terms of the Strawberry Canyon mouth part, AC Transit has changed its bus route. Bus line 9 used to go down to that area, but now the 51b is the bus that goes. I am told you have to ask the bus driver if they’re going down to the marina. LECTURE Last time, you learned about the EPA and our guest speaker called attention to the issues of water. Water and energy are closely interconnected. This is a major issue in the state. The major use of energy is pumping water from Northern California all the way down to Southern California. Today, we are thinking about the energy and water use, and how to reduce both. Our speaker also mentioned conservation, and that is where the green building concept comes in. The state water resources board says that by 2020 they hope to reduce water use by 20%. First of all, where does water come from? Ground water is a very important resource in this state. Many of you drink water that comes from ground water and not surface water. The San Joaquin River has been a scene of conflict for many years. The San Joaquin River runs through the Central Valley and into the Bay Area. The State Water Project takes Sierra Nevada water out of the delta and transports it to farmers in southern California. There are two other areas you should know. The Mokelumne River provides water for us on campus and in the east bay area. The San Francisco citizens get water from the Hetch Hetchy Reservoir , water that comes primarily from the snow packs in the Sierra’s. Los Angeles gets water from several sources, some from the east side of the Sierras and Lake Mead. One of the issues we’re concerned about is water
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18 - EARTH AND PLANETARY SCIENCES 80 Professor Berry...

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