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Unformatted text preview: University of California, Berkeley Professor Ken Johnson Civil Engineering 70 Engineering Geology Civil Engineering 70 Lecture 28 12/5/07 CE70 Final Logistics 120 Latimer 12:30 – 3:30pm December 19, 2007 Bring Protractor Calculator Ruler (with cm) Rock/Mineral Sheets Pickup Papers Field Trip Memo In front of Johnson’s Office Cross Section In Maria’s Office Hours California Water System • Levee System built in 1860 to 1960 o San Joaquin River used to be a huge marsh But federal government installed levees and drainage for agriculture But creates flood risks o System protects a huge amount of state agriculture capital o Deferred Maintenance Levee Channel Erosion Sedimentation Build up Vegetation o Sacramento only has a 85 year flood protection Omaha and New Orleans has 250 year flood protection Many other cities like Tacoma and St. Louis has a 500 year flood protection o Increase the capacity of a levee by installing a slurry wall and increasing the height of the...
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This note was uploaded on 04/02/2008 for the course CE 70 taught by Professor Johnson during the Fall '07 term at Berkeley.
- Fall '07
- Civil Engineering