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  3. Volcanic Gas Measurements at Mount Cleveland, Alaska 2016

Volcanic Gas Measurements at Mount Cleveland, Alaska 2016

Dates

Publication Date
Start Date
2016-07-24
End Date
2016-07-25

Citation

Kelly, P.J., Kern, C., Werner, C., and Lopez, T., 2020, Volcanic Gas Measurements at Mount Cleveland, Alaska 2016: U.S. Geological Survey data release, https://doi.org/10.5066/P9DRMV0U.

Summary

On 25 July 2016, helicopter-based measurements were made of the volcanic gases emitted from Mount Cleveland, Alaska, USA. An upward-looking differential optical absorption spectroscopy (DOAS) system was used to measure incident scattered solar ultraviolet radiation while traversing beneath the plume on multiple occasions. These data were used to derive volcanic SO2 emission rates. Additionally, a Multicomponent Gas Analyzer System (Multi-GAS) was used to make measurements of trace gas concentrations while on a dedicated measurement flight passing through the volcanic plume. Radiance spectra and gas compositions were both recorded at 1 second time resolution. Each spectrum and gas measurement was stamped with the GPS time and location. [...]

Contacts

Point of Contact :
Peter Kelly
Originator :
Peter Kelly, Christoph Kern, Cynthia A Werner, Taryn Lopez
Metadata Contact :
Peter Kelly
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Volcano Hazards Program Office
USGS Mission Area :
Natural Hazards

Attached Files

Click on title to download individual files attached to this item.

2016_Cleveland_metadata_v5.xml
Original FGDC Metadata
View 		20.46 KB application/fgdc+xml
Cleveland_Werner_photo.JPG
“photo” 		thumbnail 2.72 MB image/jpeg
spectra.zip
“DOAS_spectra” 		46.45 MB application/zip

“SO2_camera_imagery” 		5.27 GB application/zip
2016_Cleveland_multigas_v2.csv
“Multi-GAS data” 		1.12 MB text/csv

Purpose

The DOAS and SO2 camera measurements were collected to analyze the spectral absorption of SO2 in scattered solar radiation passing through the volcanic plume. Together with wind speed measurements, these data allow derivation of the volcanic SO2 emission rate at Mount Cleveland, Alaska. The Multi-GAS measurements were collected to analyze the relative composition of volcanic volatiles in the Mount Cleveland gas plume. This provides insights into the depth from which the gases originated.
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Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9DRMV0U

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