Investigator’s Annual Reports (IAR’s) for Crater Lake National Park
Hydrothermal Convection in Cascade Volcanoes-Magma Migration in Cascade Volcanoes
Report Number: 12833
Reporting Year: 1997
Permit Number: CRLA1997ASQB
Date Received: Jan 01, 1998
Principal Investigator: Michael Ryan, U.S. Geological Survey, Reston, VA
Park-assigned Study Id. #: CRLA1997ASQB
Permit Expiration Date: Jan 01, 1998
Permit Start Date: Jan 01, 1998
Study Starting Date: Jan 01, 1996
Study Ending Date: Jan 01, 1996
Study Status: Completed
Activity Type: Other
Subject/Discipline: Geothermal / Volcanology
Objectives: Determination of the 3-D permeability structure of hyrothermal convection in active cascade volcanoes. Determination of the physical controls on magma migration/storage in active cascade volcanoes.
Findings and Status: Data reduction of fracture permeability structures at Crater Lake is in progress. Geophysical data analysis for determining the subcaldera magma storage depths at Crater Lake is in progress.
For this study, were one or more specimens collected and removed from the park but not destroyed during analyses? No
Funding provided this reporting year by NPS: 0
Funding provided this reporting year by other sources: 124000
Full name of college or university: n/a
Annual funding provided by NPS to university or college this reporting year: 0
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