Spatio-Temporal Analysis of Hydrothermal Water Discharging into a River

mtgLogoTopLeft…from the 2009 Portland Geological Society of America (GSA) Meeting, 18-21 October 2009…

IMAGING AND SPATIO-TEMPORAL ANALYSIS OF TURBULENT MIXING OF HYDROTHERMAL WATER DISCHARGING INTO A RIVER (BREITENBUSH HOT SPRINGS, OREGON)

ANDREWS, Benjamin J., University of California, Berkeley; CARDENAS, M. Bayani, The Univ. of Texas at Austin; and BENNETT, Philip C., The Univ of Texas at Austin

“We investigated the thermal plume created by a pipe discharging hot spring water (~60 °C) into a small stream (~10 °C) at Breitenbush Hot Springs, Oregon. High-frequency (16 Hz), high-resolution (1-2 mm pixels) thermal infrared images of hot spring jets show the effects of jet entry conditions on spatial and temporal scales of mixing. Images of thermal plumes showing eddy cascades through space and time are analyzed via correlation analysis.”

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