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CLASS:PUBLIC
CREATED:20260307T190309Z
DESCRIPTION:The Present and Future State of the Pearl Harbor Aquifer by Paul Eyre\n\nSince 1879, the Pearl Harbor aquifer (Ewa-Kunia excluded) has shrunk to around 60 percent of its original size; from about 33 feet to about 19 feet currently. Irrigation of sugarcane crops during the plantation era, amounting to about 120 million gallons per day (MGD), accounted for most of the pumpage that resulted in the shrinkage of the Pearl Harbor lens. However, by 2008, the aquifer stopped shrinking and had reached an equilibrium with the new conditions of recharge and pumpage that were established following the end of plantation agriculture in the early 1990s. In the decades to come, the aquifer will shrink again, to about half of its current size, as it comes into a new equilibrium with the increased pumpage allowed by the Commission on Water Resource Management’s sustainable yield of 150 MGD. The current pumpage, mostly for residential use, is about 90 MGD. This presentation will show the data and the methods that led to these conclusions. This is a vital subject that has been studied, discussed, and debated for many years and will continue to be discussed by all who have an interest in Hawai‘i’s future. Hopefully, this presentation will encourage a lively exchange of ideas on the current and future state of the Pearl Harbor aquifer and the consequences of future water demands.\n\n\n\nRegister for meeting:\n https://hawaii.zoom.us/meeting/register/tJUvduirqzoiH9AmLQOSNkbqoiSO3ynCrjy7
DTEND;TZID=Pacific/Honolulu:20240210T010000Z
DTSTAMP:20260307T190309Z
DTSTART;TZID=Pacific/Honolulu:20240210T000000Z
LAST-MODIFIED:20260307T190309Z
LOCATION:Zoom Meeting
PRIORITY:5
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:WRRC 2024 Spring Seminar
TRANSP:OPAQUE
UID:177294618942194web-support-l@lists.hawaii.edu
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