Rates of volcanic CO2 degassing from airborne determinations of SO2 Emission rates and plume CO2SO2: test study at Pu′u ′O′o Cone, Kilauea Volcano, Hawaii
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Abstract
We present an airborne method that eliminates or minimizes several disadvantages of the customary plume cross-section sampling method for determining volcanic CO2 emission rates. A LI-COR CO2analyzer system (LICOR), a Fourier transform infrared spectrometer system (FTIR), and a correlation spectrometer (COSPEC) were used to constrain the plume CO2/SO2 and the SO2 emission rate. The method yielded a CO2 emission rate of 300 td−1 (metric tons per day) for Pu′u ′O′o cone, Kilauea volcano, on 19 September 1995. The CO2/SO2 of 0.20 determined from airborne LICOR and FTIR plume measurements agreed with the CO2/SO2 of 204 ground-based samples collected from vents over a 14-year period since the Pu′u ′O′o eruption began in January 1983.
Suggested Citation
Gerlach, T.M., McGee, K.A., Sutton, A.J., Elias, T., 1998, Rates of volcanic CO2 degassing from airborne determinations of SO2 Emission rates and plume CO2SO2: test study at Pu′u ′O′o Cone, Kilauea Volcano, Hawaii: Geophysical Research Letters, v. 25, no. 14, p. 2675-2678, https://doi.org/10.1029/98GL02030.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Rates of volcanic CO2 degassing from airborne determinations of SO2 Emission rates and plume CO2SO2: test study at Pu′u ′O′o Cone, Kilauea Volcano, Hawaii |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/98GL02030 |
| Volume | 25 |
| Issue | 14 |
| Publication Date | July 15, 1998 |
| Year Published | 1998 |
| Language | English |
| Publisher | AGU Publications |
| Description | 4 p. |
| First page | 2675 |
| Last page | 2678 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |