Maui Gravity and Soil Gas Surveys

Abstract

Contains a ground-based gravity survey of South Maui and a series of soil CO2 flux and temperature surveys encompassing Maui and the Big Island.

The gravity survey was collected from approximately 284 km2 and consisted of 400 gravity stations with 400 m spacing. Locations were derived with full DGPS. Station and line location, Complete Bouger Anomaly, first vertical derivative and horizontal gradient maps were calculated and produced.

The soil CO2 flux and temperature surveys were conducted on the islands of Hawaii and Maui in April and July 2010. Average soil temperatures were measured over 10 cm depth using a hand-held thermocouple. Soil CO2 fluxes were measured using a portable accumulation chamber instrument.

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Additional Info

DOE Project Name: Blind Geothermal System Exploration in Active Volcanic Environments; Multi-phase Geophysical and Geomechanical Surveys in Overt and Subtle Volcanic Systems, Hawai'i and Maui
DOE Project Number: EE0002837
DOE Project Lead: Mike Weathers
DOI: 10.15121/1357027
Last Updated: over a year ago
Apr
2010
Data from April, 2010
Submitted Feb 3, 2017

Contact

Ormat Nevada Inc


Status

Publicly accessible License 

Authors

This submission does not list any authors.

Keywords

geothermal, Gravity, Maui, geophysics, Bouger anomaly, Soil Flux, geochemistry, soil gas, temperature, Hawaii, Big Island

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