Real-time, high frequency (1 Hz), in situ measurement of HCl and HF gases in volcanic plumes with a novel cavity-enhanced, laser-based instrument

Peter J Kelly, US Geological Survey, Vancouver, WA, United States, A Jeff Sutton, Hawaiian Volcano Observatory, Hawaii National Park, HI, United States, Tamar Elias, USGS, Baltimore, MD, United States, Christoph Kern, Cascades Volcano Observatory - USGS, Vancouver, WA, United States, Laura E Clor, USGS, Menlo Park, CA, United States and Douglas S Baer, Los Gatos Research, Mountain View, CA, United States