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Oral Session 5<\/a> | Tuesday, October 4, 16:40\u201317:00 | Abstract 560<\/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=”1.3em” background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_margin=”7px||2px|||” custom_padding=”||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” 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 zooplankton Calanus finmarchicus is a keystone species that is commercially harvested and critical in sustaining many important fisheries in the Arctic. However, due to their patchy and ephemeral population distributions, they are notoriously difficult to map using traditional ship- based techniques. This research involves the use of a combined approach of globally consistent ocean colour imagery and radiative transfer modelling to identify reflectance anomalies potentially caused by surface swarms of Calanus. Results show that \u2018patches\u2019 of red pixels within the Lofoten- Vesteralen region of Norway (where in situ measurements indicate the presence of high concentrations of Calanus at the surface) are not well described by varying concentration combinations of chlorophyll, sediment and dissolved organic matter alone. A greater degree of closure between modelled and satellite derived reflectance signals is only achieved in these patches through the addition of Calanus absorption. Further, visual similarity in the RGB colour values of the satellite and modelled spectra were quantified using the Delta E metric and utilised to produce anomaly maps. These maps show a relatively high degree of anomaly within the patches compared to the surrounding waters, indicating the presence of something other than the material traditionally thought to drive the optical properties of the water column. This provides further evidence for the potential of surface swarms to influence remote sensing reflectance signals, and as a result they can be identified through satellite imagery. The methods described have the potential to be applied to other key groups of zooplankton, such as krill.\u00a0<\/span><\/p>\n \n *Cait McCarry<\/b><\/span><\/a>, University of Strathclyde, 0000-0001-9051-3907<\/p>\n S\u00fcnnje Basedow<\/a><\/span>, The Arctic University of Norway<\/p>\n David McKee<\/a><\/span>, University of Strathclyde<\/p>\n Emlyn Davies<\/a><\/span>, SINTEF Ocean<\/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” _builder_version=”4.14.7″ _module_preset=”default” background_enable_color=”off” background_image=”https:\/\/oceanopticsconference.org\/wp-content\/uploads\/2022\/01\/oo22-banner-bckd.jpg” custom_padding=”0px||11px||false|false” custom_padding_tablet=”0px||11px||false|false” custom_padding_phone=”||27px||false|false” global_module=”2766″ saved_tabs=”all” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.16″ _module_preset=”default” custom_padding=”0px||8px||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_social_media_follow use_icon_font_size=”on” icon_font_size=”19px” _builder_version=”4.16″ _module_preset=”default” custom_button=”on” text_orientation=”right” custom_margin=”-10px||11px||false|false” custom_margin_tablet=”-9px||5px||false|false” custom_margin_phone=”-9px||5px||false|false” custom_margin_last_edited=”on|tablet” global_colors_info=”{}” button_text_size__hover_enabled=”on|desktop” theme_builder_area=”post_content”][et_pb_social_media_follow_network social_network=”facebook” url=”https:\/\/www.facebook.com\/OceanOpticsConference\/” _builder_version=”4.16″ _module_preset=”default” background_color=”#9b9b9b” background_enable_color=”on” global_colors_info=”{}” background__hover_enabled=”on|hover” background_color__hover=”#0C71C3″ background_enable_color__hover=”on” theme_builder_area=”post_content” follow_button=”off” url_new_window=”on”]facebook[\/et_pb_social_media_follow_network][et_pb_social_media_follow_network social_network=”twitter” url=”https:\/\/twitter.com\/OceanOpticsConf” _builder_version=”4.16″ _module_preset=”default” background_color=”#9b9b9b” background_enable_color=”on” global_colors_info=”{}” background__hover_enabled=”on|hover” background_color__hover=”#0C71C3″ background_enable_color__hover=”on” theme_builder_area=”post_content” follow_button=”off” url_new_window=”on”]twitter[\/et_pb_social_media_follow_network][\/et_pb_social_media_follow][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ use_custom_gutter=”on” gutter_width=”2″ _builder_version=”4.16″ _module_preset=”default” custom_padding=”13px||34px|0px||” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”1_3″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.16″ _module_preset=”default” header_font_size=”26px” header_2_font=”|||on|||||” header_2_text_align=”center” header_2_text_color=”#FFFFFF” header_2_font_size=”21px” text_orientation=”center” custom_margin=”||5px|||” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.16″ _module_preset=”default” text_text_color=”#FFFFFF” link_font=”||||on||||” link_text_color=”#FFFFFF” header_2_text_color=”#FFFFFF” max_width=”300px” module_alignment=”center” custom_margin=”||||false|false” custom_margin_tablet=”||-3px||false|false” custom_margin_phone=”” custom_margin_last_edited=”on|tablet” custom_padding_tablet=”||||false|false” custom_padding_phone=”||32px||false|false” custom_padding_last_edited=”on|phone” global_colors_info=”{}” link_text_color__hover_enabled=”on|hover” link_text_color__hover=”#a8a8a8″ theme_builder_area=”post_content”]<\/p>\n Sign up to receive email updates to be sure to catch all the meeting news. 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However, due to their patchy and ephemeral population distributions, they are notoriously difficult to map using traditional ship- based techniques. […]<\/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\/6307"}],"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=6307"}],"version-history":[{"count":3,"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/pages\/6307\/revisions"}],"predecessor-version":[{"id":6318,"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/pages\/6307\/revisions\/6318"}],"wp:attachment":[{"href":"https:\/\/oceanopticsconference.org\/wp-json\/wp\/v2\/media?parent=6307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Detecting Zooplankton from Space<\/h3>\n
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