Oroville Dam Remediation- August 16, 2018 |
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In February 2017, Oroville Dam's main and emergency spillways were damaged, prompting the evacuation of more than 180,000 people living downstream along the Feather River and the relocation of a fish hatchery. Heavy rainfall during the 2017 California floods damaged the main spillway on February 7, so the California Department of Water Resources stopped the spillway flow to assess the damage and contemplate its next steps. The rain eventually raised the lake level until it flowed over the emergency spillway, even after the damaged main spillway was reopened. As water flowed over the emergency spillway, headward erosion threatened to undermine and collapse the concrete weir, which could have sent a 30-foot (10 m) wall of water into the Feather River below and flooded communities downstream. No collapse occurred, but the water further damaged the main spillway and eroded the bare slope of the emergency spillway. Source: Wikipedia Was driving by and saw the remediation efforts underway. |
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Feb 11, 2017 Picture of the spillway | |
File Name _D4_7718.CR2 File Size 36.9MB Camera Model Canon EOS 5D Mark IV Firmware Firmware Version 1.1.2 Shooting Date/Time 08/16/18 13:58:08 Author MILTON HEE Copyright Notice All rights reserved Owner's Name Milton Hee Shooting Mode Program AE Tv(Shutter Speed) 1/200 Av(Aperture Value) 10 Metering Mode Evaluative Metering Exposure Compensation 0 ISO Speed 100 Auto ISO Speed ON Lens EF24-105mm f/4L IS II USM Focal Length 24.0mm Image Size 6720x4480 Aspect ratio 3:2 Image Quality RAW Flash Off FE lock OFF White Balance Mode AF Mode One-Shot AF AF area select mode Zone AF |
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File Name _D4_7722.CR2 File Size 39.5MB Camera Model Canon EOS 5D Mark IV Firmware Firmware Version 1.1.2 Shooting Date/Time 08/16/18 13:58:26 Author MILTON HEE Copyright Notice All rights reserved Owner's Name Milton Hee Shooting Mode Program AE Tv(Shutter Speed) 1/320 Av(Aperture Value) 8.0 Metering Mode Evaluative Metering Exposure Compensation 0 ISO Speed 100 Auto ISO Speed ON Lens EF24-105mm f/4L IS II USM Focal Length 91.0mm Image Size 6720x4480 Aspect ratio 3:2 Image Quality RAW Flash Off FE lock OFF White Balance Mode AF Mode One-Shot AF AF area select mode Zone AF |
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File Name _D4_7727.CR2 File Size 37.4MB Camera Model Canon EOS 5D Mark IV Firmware Firmware Version 1.1.2 Shooting Date/Time 08/16/18 14:00:37 Author MILTON HEE Copyright Notice All rights reserved Owner's Name Milton Hee Shooting Mode Program AE Tv(Shutter Speed) 1/320 Av(Aperture Value) 9.0 Metering Mode Evaluative Metering Exposure Compensation 0 ISO Speed 100 Auto ISO Speed ON Lens EF24-105mm f/4L IS II USM Focal Length 70.0mm Image Size 6720x4480 Aspect ratio 3:2 Image Quality RAW Flash Off FE lock OFF White Balance Mode AF Mode One-Shot AF AF area select mode Zone AF |
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