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Browse MARGINS Awards in reverse chronological order after start date (most recent first):

Benthic Flux Meter Study Across the Costa Rica Margin

MARGINS Focus Area Seismogenic Zone
NSF Org OCE
Latest Amendment Date July 14, 1999
Award Number 9907201
Award Instrument Standard Grant
Program Manager Bilal U. Haq
OCE DIVISION OF OCEAN SCIENCES
GEO DIRECTORATE FOR GEOSCIENCES
Start Date September 1, 1999
Expires August 31, 2000 (Estimated)
Expected Total Amount $64,564 (Estimated)
Investigator Kevin M. Brown (Principal Investigator current)
Sponsor U of Cal SD Scripps Inst
9500 Gilman Drive
La Jolla, CA 92093
NSF Program 1620 MARINE GEOLOGY AND GEOPHYSICS
Field Application 0204000 Oceanography
Abstract Funds are being provided for the deployment of 14 benthic flux meters that will be combined with ocean-bottom seismometers (OBSs), and 8 autonomous flux meters, across the Costa Rica subduction zone. The meters will provide information about the regional changes in diffuse fluid expulsion patterns across this convergent margin. The study will be carried out in conjunction with another funded study across the Costa Rica subduction system that will deploy the OBSs. The flux meters are designed to measure slow to moderate flow rates and will provide broad regional coverage. In the Costa Rica system most of the fluid expulsion is expected to be slow to moderate diffuse flow. Knowing these flux rates is relevant to the objectives of the MARGINS' experiments on the Subduction Factory (SubFac) and SEIZE topics.