Optimal Management of a Hawaiian Coastal Aquifer with Near-Shore Marine Ecological Interactions

Kaeo Duarte (), Sittidaj Pongkijvorasi (), James Roumasset, Daniel Amato () and Kimberly Burnett ()
Additional contact information
Kaeo Duarte: Kamehameha Schools
Sittidaj Pongkijvorasi: Chulalongkorn University, Faculty of Economics
Daniel Amato: University of Hawaii at Manoa, Botany Department

No 201021, Working Papers from University of Hawaii at Manoa, Department of Economics

Abstract: We optimize groundwater management in the presence of marine consequences of submarine groundwater discharge (SGD). Concern for marine biota increases the optimal steady-state head level of the aquifer. The model is discussed in general terms for any coastal groundwater resource where SGD has a positive impact on valuable near-shore resources. Our application focuses of the Kona Coast of Hawai’i, where SGD is being actively studied and where both near-shore ecology and groundwater resources are serious sociopolitical issues. To incorporate the consequences of water extraction on nearshore resources, we impose a safe minimum standard for the quantity of SGD. Efficient pumping rates fluctuate according to various growth requirements on the keystone marine algae and different assumptions regarding recharge rates. Desalination is required under average recharge conditions and a strict minimum standard, and under low recharge conditions regardless of minimum standards of growth.

Keywords: groundwater management; marine ecology; dynamic optimization; safe minimum standard; sustainability science. (search for similar items in EconPapers)
JEL-codes: D58 L83 O15 R13 (search for similar items in EconPapers)
Pages: 42 pages
Date: 2010-10-15
New Economics Papers: this item is included in nep-env
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Citations: View citations in EconPapers (7)

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http://www.economics.hawaii.edu/research/workingpapers/WP_10-21.pdf First version, 2010 (application/pdf)

Related works:
Working Paper: Optimal Management of a Hawaiian Coastal Aquifer with Near-Shore Marine Ecological Interactions (2010)
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