publication . Article . Other literature type . 2018

Measuring SO2 Emission Rates at Kīlauea Volcano, Hawaii, Using an Array of Upward-Looking UV Spectrometers, 2014–2017

Elias, Tamar; Kern, Christoph; Horton, Keith A.; Sutton, Andrew J.; Garbeil, Harold;
Open Access English
  • Published: 17 Dec 2018 Journal: Frontiers in Earth Science (issn: 2296-6463, Copyright policy)
  • Publisher: Frontiers Media S.A.
Abstract
Retrieving accurate volcanic sulfur dioxide (SO2) gas emission rates is important for a variety of purposes. It is an indicator of shallow subsurface magma, and thus may signal impending eruption or unrest. SO2 emission rates are significant for accurately assessing climate impact, and providing context for assessing environmental, agricultural, and human health effects during volcanic eruptions. The U.S. Geological Survey Hawaiian Volcano Observatory uses an array of ten fixed, upward-looking ultraviolet spectrometer systems to measure SO2 emission rates at 10-s sample intervals from the Kīlauea summit. We present Kīlauea SO2 emission rates from the volcano’s s...
Subjects
free text keywords: sulfur dioxide, Kīlauea, emission rate, DOAS, FLYSPEC, Science, Q, Volcano, geography.geographical_feature_category, geography, Lava, Anemometer, Spectrometer, Observatory, Plume, Rift zone, Wind speed, Geology, Geomorphology, Atmospheric sciences
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