Analysis of subsidence data for the West Hackberry site, Louisiana | Zendy

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Analysis of subsidence data for the West Hackberry site, Louisiana

Author(s) -

Sebastian Bauer

Publication year - 1997

Language(s) - English

Resource type - Reports

DOI - 10.2172/532686

Subject(s) - elevation (ballistics) , subsidence , flood myth , storm surge , hydrology (agriculture) , geology , storm , flood control , geography , geotechnical engineering , archaeology , oceanography , geomorphology , engineering , structural engineering , structural basin

The elevation change data measured at the West Hackberry SPR site over the last 14+ years has been studied and a model utilized to project elevation changes into the future. The subsidence rate has decreased with time due to instituting maintenance of higher operating pressures for caverns (since about 1990) and the normal decrease in creep closure rate of caverns with time. However, the subsidence at the site is projected to continue. As a result, low lying regions exist and the extents of these regions are projected to increase with time. These low lying regions are susceptible to inundation with water from Black Lake and/or hurricane storm surges. This work may assist DOE in planning the construction and location of mitigative measures for flood control

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