MATHEMATICAL-MODELING OF SEA-WATER INTRUSION, NAURU ISLAND

被引：18

作者：

GHASSEMI, F

JAKEMAN, AJ

JACOBSON, G

机构：

[1] Centre for Resource and Environmental Studies, Australian National University, Canberra, Australian Capital Territory, 2601

[2] Bureau of Mineral Resources, Canberra, Australian Capital Territory, 2601

来源：

HYDROLOGICAL PROCESSES | 1990年 / 4卷 / 03期

关键词：

Hydrogeology; Island; Modelling Sea water intrusion; Nauru; Water supply;

D O I：

10.1002/hyp.3360040307

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

A two‐dimensional finite element model for density dependent groundwater flow was calibrated to simulate sea water intrusion in Nauru Island in the Central Pacific Ocean. Nauru Island occupies an area of 22 km2 and supports a population of 8500. The island has been mined for its phosphate deposits and current reserves indicate that the mine has about eight years life remaining. The water supply of the island is about one third dependent on imported water which is also used as ballast on the phosphate ships. Imported water will not be available in the future, and a hydrogeological investigation shows that the island is underlain by a fresh water layer, less than 5 m thick. The freshwater layer overlies a thick transition zone of brackish water which in turn overlies sea water. Simulation of several management options shows that it is possible to substitute current importation of fresh water by careful extraction from the groundwater resources of the island. Copyright © 1990 John Wiley & Sons, Ltd

引用

页码：269 / 281

页数：13

共 18 条

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