Sittidaj Pongkijvorasin (Chulalongkorn University) James Roumasset (University of Hawaii at Manoa) Thomas Kaeo Duarte (Kamehameha Schools) Kimberly Burnett (University of Hawaii Economic Research Organization)
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This paper develops a hydrologic-ecologic-economic model of groundwater use. Particularly, we model coastal groundwater management and its effects on submarine groundwater discharge, nearshore marine water quality, and marine biota. We show that incorporating the external effects on nearshore resources increases the optimal sustainable steady-state head level. Numerical simulations are illustrated using data from the Kuki’o region on the island of Hawaii. Two different approaches for incorporating the nearshore resource are examined. Including algae’s market value in the objective function results in only slightly lower rates of extraction. When a minimum constraint is placed on the stock of the keystone species, however, greater conservation may be indicated. The constraint also results in non-monotonic paths of water extraction, head level, and water price in the optimal solution.
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Paper provided by University of Hawaii at Manoa, Department of Economics in its series Working Papers with number
200808.
Length: 30 Date of creation: 10 Nov 2008 Date of revision: Handle: RePEc:hai:wpaper:200808
Note: Revised version of WP:07-13, Coastal Groundwater Management with Nearshore Resource Interactions Contact details of provider: Postal: 2424 Maile Way, Honolulu, HI 96822 Phone: (808)956-8730 Fax: (808)956-4347 Email: Web page: http://www.economics.hawaii.edu/ More information through EDIRC
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