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Gas emission and ground temperature measurements at Puhimau thermal area, Kīlauea Volcano, Hawai`i

Dates

Publication Date
Start Date
2019-11-04
End Date
2019-11-06

Citation

Lewicki, J.L., Elias, T., Nadeau, T.A., Yelenik, S.G., and Bergfeld, D., 2020, Gas emission and ground temperature measurements at Puhimau thermal area, Kīlauea Volcano, Hawai`i: U.S. Geological Survey data release, https://doi.org/10.5066/P94MJ728.

Summary

Puhimau thermal area, located in the upper East Rift Zone of Kīlauea Volcano, Hawai`i formed around 1936 when heat and gases migrated to the surface following a magma intrusion. As of April 2020, the area is about 0.2 km2 in size with regions of steaming ground. The site may be valuable for monitoring changes in gas and heat emissions related to movement of magma down the rift zone. On November 4-5, 2019 we used the accumulation chamber method and thermocouple probes to make 164 measurements of soil CO2 flux and temperature (20 cm depth) at 30-m spacing on a 0.2 km2 grid. Three gas samples were collected from areas of steaming ground on November 5-6, 2019 and analyzed for bulk chemical and carbon isotope (d13C-CO2) compositions. These [...]

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Attached Files

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CO2 flux temperature data.txt
“CO2 flux temperature data”
4.34 KB text/plain
Gas geochemical data.txt
“Gas geochemical data”
431 Bytes text/plain

Purpose

Data were obtained to assess change in CO2 emissions and ground temperatures since last measured in 1998 (McGee and others, 2006) to inform volcano monitoring and area management decisions. Reference McGee, K.A., Sutton, A.J., Elias, T., Doukas, M.P., and Gerlach, T.M., 2006, Puhimau thermal area: A window into the Upper East Rift Zone of Kīlauea Volcano, Hawai`i?: Pure and Applied Geophysics, v. 163, p.837-851.

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  • USGS Data Release Products

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P94MJ728

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