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Internal erosion is the formation of voids within a soil caused by the removal of material by seepage. [1] It is the second most common cause of failure in levees and one of the leading causes of failures in earth dams, [2] responsible for about half of embankment dam failures.
Southern California, United States: Cause: Soil saturation from heavy rainfall, and deforestation due to recent wildfires: Deaths: 23 [1] Non-fatal injuries: 163: Property damage >$207 million (2018 USD) [2] [3] 65 residences destroyed, 462 residences damaged, 8 commercial buildings destroyed, 20 commercial buildings damaged
This is a list of Superfund sites in California designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up ...
Seep is often used in environmental sciences to define an exfiltration zone (seepage zone) where contaminated water, e.g., from waste dumps, leaves a waste system area. Seeps are often important smaller wildlife water sources, and indicated by lower riparian vegetation.
Simplified fault map of southern California The faults of Southern California viewed to the southeast, as modeled by the Southern California Earthquake Center. Highlighted in purple are the San Andreas Fault (left) and Santa Monica Bay complex (right). The foreground is in the Santa Barbara Channel, the east-trending zone marks the Transverse Range
Carcinogen found in California soil after wildfires alarms scientists. Evan Bush. Updated December 12, 2023 at 12:15 PM.
Much of the large, flat land area is devoted to large-scale agricultural production, although there are some significant urban centers such Fresno, Bakersfield, Clovis, Stockton, Modesto, and Visalia. It provides a transportation connection between populous northern California and southern California via I-5 and CA-99.
Typically, porous soils are removed before compacted clay is applied to the bed and sides of a canal. [3] Another simple method of canal lining with soils entails applying a layer of compacted silt on top of the subgrade of the canal. [3] The use of soils as canal linings is efficient for controlling seepage, but not effective against weed ...