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CREATED:20261013T050515Z
DESCRIPTION:“Daily to multi-year variability in particle production, growth, size and export in the North Pacific Subtropical Gyre”\n\nOptical properties are excellent proxies for particle concentration, particle size, community production and respiration in the open ocean. In this talk I will show how we can use the growing dataset of high-quality optical data (e.g. particle backscattering, particle size distribution, chlorophyll fluorescence, oxygen optodes) in the North Pacific Subtropical Gyre to better understand the drivers, pathways and fates of carbon in the ocean. I will show examples that highlight the role of mesoscale eddies in controlling particle concentration in the upper water column, as well as the variability in the amplitude and phase of daily cycles of particle production and loss over a multi-year time record. I will also present newly collected observations from a high frequency biogeochemical profiling float which is providing insights regarding particle export processes from the surface to the mesopelagic around Hawaii, including the effects of Hurricane Lane and cyclonic eddies on the vertical distribution of particles. These data will help infer future models of the biological pump as well as processes that modulate community structure and production in the surface ocean.\n
DTEND;TZID=Pacific/Honolulu:20190315T021500Z
DTSTAMP:20261013T050515Z
DTSTART;TZID=Pacific/Honolulu:20190315T010000Z
LAST-MODIFIED:20261013T050515Z
LOCATION:Marine Science Building 100
PRIORITY:5
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:Oceanography Seminar - Fernanda Hendrikx Freitas
TRANSP:OPAQUE
UID:179190391535044web-support-l@lists.hawaii.edu
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