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Poster Session 2<\/a>, Tuesday,\u00a0 October\u00a0 4, 10:40\u201312:40<\/p>\n [\/et_pb_text][et_pb_text admin_label=”Extended abstracts” _builder_version=”4.18.0″ link_font=”||||on||||” header_3_font=”|800||on|||||” header_3_text_color=”#057184″ header_3_font_size=”20px” header_3_line_height=”1.2em” header_5_font=”|||on|||||” header_5_text_color=”#545454″ header_5_font_size=”17px” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”7px||15px|||” hover_enabled=”0″ use_border_color=”off” global_colors_info=”{}” link_text_color__hover=”#a5a5a5″ link_text_color__hover_enabled=”on|hover” theme_builder_area=”post_content” sticky_enabled=”0″]<\/p>\n [\/et_pb_text][et_pb_text admin_label=”Extended abstracts” _builder_version=”4.18.0″ link_font=”||||on||||” header_3_font=”|800||on|||||” header_3_text_color=”#057184″ header_3_font_size=”20px” header_3_line_height=”1.2em” header_5_font=”|||on|||||” header_5_font_size=”17px” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”7px|||||” hover_enabled=”0″ use_border_color=”off” global_colors_info=”{}” link_text_color__hover=”#a5a5a5″ link_text_color__hover_enabled=”on|hover” theme_builder_area=”post_content” sticky_enabled=”0″]<\/p>\n The overarching goal of this work is to better understand the impact of fine scale (0.1-10km) ocean physics on phytoplankton biomass and diversity. By the very nature of the scale at which these processes operate, they are missing from global models and coarse remote sensing products. Yet they may be an important part of the physical dynamics that power the ocean\u2019s biological carbon pump, sustain the foundation of marine ecosystems, and maintain phytoplankton diversity. We conducted four cruises across the Gulf Stream front just downstream of the current\u2019s separation point at Cape Hatteras, N.C. We collected above-water radiometry from the ship and via aerial drone, continual flow-through based inherent optical properties (IOPs), high performance liquid chromatography, and flow cytometry in coordination with tow-yo profiles of physical properties at high resolution. In this presentation we will share early results, focused on products retrieved from IOPs and radiometry, describing the observed biophysical environment and comparing summer and winter conditions. We found unexpected increases in mean particle size in more oligotrophic Gulf Stream waters compared to shelf water, shifts in absorption spectra and backscattering ratio in micro-upwelling patches, spikes in chlorophyll-a at sharp density gradients, thin \u201cwaterfalls\u201d under the Gulf Stream with aggregations of phytoplankton and zooplankton, and a variety of other fine-scale surprises.<\/p>\n *Patrick Gray<\/a>, Duke University Marine Lab, pgrayobx@gmail.com, 0000-0002-8997-5255\u00a0<\/p>\n Anna Windle, University of Maryland Center for Environmental Science, awindle@umces.edu, 0000-0002-4852-5848<\/p>\n Ivan Sayvelev, Naval Research Laboratory, ivan.savelyev@nrl.navy.mil\u00a0<\/p>\n Julian Dale, Duke University Marine Lab, julian.dale@duke.edu, 0000-0001-6466-3426<\/p>\n Katelyn Smith, Wake Forest University, smitka20@wfu.edu, 0000-0001-6930-6348<\/p>\n Jessica Gronniger, Duke University Marine Lab, jessica.gronniger@duke.edu\u00a0<\/p>\n Nicolas Cassar, Duke University, Nicholas School of the Environment, nicolas.cassar@duke.edu, 0000-0003-0100-3783<\/p>\n Marina L\u00e9vy, French National Centre for Scientific Research, marina.levy@locean.ipsl.fr, 0000-0003-2961-608X<\/p>\n Emmanuel Boss, University of Maine, emmanuel.boss@maine.edu, 0000-0002-8334-9595<\/p>\n Greg Silsbe, University of Maryland Center for Environmental Science, gsilsbe@umces.edu, 0000-0003-2673-1162<\/p>\n Zackary Johnson, Duke University Marine lab, zackary.johnson@duke.edu, 0000-0003-0793-8512<\/p>\n Dana Hunt, Duke University Marine Lab, dana.hunt@duke.edu, 0000-0002-8801-9624<\/p>\n Sheri Floge, Wake Forest University, floges@wfu.edu, 0000-0002-1996-3347<\/p>\n Guillaume Bourdin, University of Maine, guillaume.bourdin@maine.edu, 0000-0001-7608-5256<\/p>\n David Johnston, Duke University Marine Lab, david.johnston@duke.edu, 0000-0003-2424-036X<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|tablet” 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By the very nature of the scale at which these processes operate, they […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":""},"_links":{"self":[{"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/pages\/6694"}],"collection":[{"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/comments?post=6694"}],"version-history":[{"count":2,"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/pages\/6694\/revisions"}],"predecessor-version":[{"id":6707,"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/pages\/6694\/revisions\/6707"}],"wp:attachment":[{"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/media?parent=6694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Poster 38<\/h5>\n
Investigating biophysical interactions across the Gulf Stream front via fine-scale optical measurements<\/h3>\n
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