{"id":671,"date":"2019-10-22T10:46:04","date_gmt":"2019-10-22T14:46:04","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/climatepaleoceanographygroup\/?page_id=671"},"modified":"2021-02-04T15:10:21","modified_gmt":"2021-02-04T19:10:21","slug":"sediment-geochemistry","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/research\/understanding-archives-of-environmental-change\/sediment-geochemistry\/","title":{"rendered":"Sediment Geochemistry"},"content":{"rendered":"\n\n<h1>Sediment Geochemistry<\/h1>\n<p>Ocean sediments can provide long, continuous, high-resolution records of ocean biology and chemistry, and &#8220;proxy&#8221; records of ocean physical properties (temperature and salinity) and circulation patterns. Reading these records is not always easy, though &#8211; the sea floor is not a passive recorder, but a vast, variable ecosystem, characterized by active physical and biological particle mixing, and a complex suite of linked biogeochemical reactions and transformations. Sediment geochemistry research at WHOI includes studies of:<\/p>\n<p>Sediment geochemistry research at WHOI include studies of:<\/p>\n<ul>\n<li>Organic matter decomposition and burial<\/li>\n<li>Calcium carbonate dissolution and preservation<\/li>\n<li>Microbial interactions in benthic communities<\/li>\n<li>The cycling of redox-sensitive trace metals<\/li>\n<li>Authigenic mineral formation<\/li>\n<li>Records of bottom water oxygen and carbon flux<\/li>\n<li>Preservation\/alteration of upper-ocean proxy records<\/li>\n<li>Sedimentary organic geochemistry<\/li>\n<\/ul>\n<p>Each of these processes influences chemical fluxes and distributions in the modern ocean, each varies in response to climate-linked changes in ocean circulation and biogeochemistry, and each leaves records in the sediment column.<\/p>\n<div id=\"attachment_67\" style=\"width: 1510px\" class=\"wp-caption alignnone\"><img aria-describedby=\"caption-attachment-67\" loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/bb-templates\/wp-content\/uploads\/sites\/2\/2016\/09\/IMG_0381.jpg\" alt=\"\" width=\"1500\" height=\"1000\" \/><p id=\"caption-attachment-67\" class=\"wp-caption-text\">You can have a caption. Click on the pencil when you click on the image to bring up the &#8216;image details&#8217; box. This version has the photo at full size, but you can also make it smaller and flush it left or right.<\/p><\/div>\n<p>&nbsp;<\/p>\n\t<h3>Researchers<\/h3>\n<ul>\n<li><a href=\"https:\/\/www2.whoi.edu\/staff\/jbernhard\/?id=3172\" target=\"_blank\" rel=\"noopener noreferrer\">Joan Bernhard<\/a><\/li>\n<li><a href=\"https:\/\/www.whoi.edu\/profile\/dmccorkle\/\" target=\"_blank\" rel=\"noopener noreferrer\">Dan McCorkle<\/a><\/li>\n<\/ul>\n\t<h3>Related Links and File<\/h3>\n<ul>\n<li><a href=\"#\">A link<\/a><\/li>\n<li><a href=\"#\">Another link<\/a><\/li>\n<li><a href=\"#\">As many links as you want<\/a><\/li>\n<li><a href=\"#\">A\u00a0PDF file attachment<\/a><\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>Sediment Geochemistry Ocean sediments can provide long, continuous, high-resolution records of ocean biology and chemistry, and &#8220;proxy&#8221; records of ocean physical properties (temperature and salinity) and circulation patterns. Reading these records is not always easy, though &#8211; the sea floor is not a passive recorder, but a vast, variable ecosystem, characterized by active physical and&hellip;<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":663,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/pages\/671"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/comments?post=671"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/pages\/671\/revisions"}],"predecessor-version":[{"id":832,"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/pages\/671\/revisions\/832"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/pages\/663"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/ggoceanclimategroup\/wp-json\/wp\/v2\/media?parent=671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}