{"670773":{"#nid":"670773","#data":{"type":"external_news","title":"Underwater robot updates understanding of ice shelf crevasses","body":[{"value":"\u003Cp\u003EMore than merely cracks in the ice, crevasses play an important role in circulating seawater beneath Antarctic ice shelves, potentially influencing their stability, finds Cornell-led research based on first-of-its-kind exploration by an underwater robot. The remotely operated Icefin robot\u2019s climb up and down a crevasse in the base of the Ross Ice Shelf produced the first 3D measurements of ocean conditions near where it meets the coastline, a critical juncture known as the grounding zone. The robotic survey revealed a new circulation pattern \u2013 a jet funneling water sideways through the crevasse \u2013 in addition to rising and sinking currents, and diverse ice formations shaped by shifting flows and temperatures. Included in the Cornell research team is \u003Ca href=\u0022https:\/\/eas.gatech.edu\/justin-lawrence\u0022\u003EJustin Lawrence\u003C\/a\u003E, a visiting Ph.D. scholar from the \u003Ca href=\u0022https:\/\/eas.gatech.edu\u0022\u003ESchool of Earth and Atmospheric Sciences\u003C\/a\u003E.\u0026nbsp;\u003C\/p\u003E\r\n","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EMore than merely cracks in the ice, crevasses play an important role in circulating seawater beneath Antarctic ice shelves, potentially influencing their stability, finds Cornell-led research based on first-of-its-kind exploration by an underwater robot. The remotely operated Icefin robot\u2019s climb up and down a crevasse in the base of the Ross Ice Shelf produced the first 3D measurements of ocean conditions near where it meets the coastline, a critical juncture known as the grounding zone. The robotic survey revealed a new circulation pattern \u2013 a jet funneling water sideways through the crevasse \u2013 in addition to rising and sinking currents, and diverse ice formations shaped by shifting flows and temperatures. Included in the Cornell research team is \u003Ca href=\u0022https:\/\/eas.gatech.edu\/justin-lawrence\u0022\u003EJustin Lawrence\u003C\/a\u003E, a visiting Ph.D. scholar from the \u003Ca href=\u0022https:\/\/eas.gatech.edu\u0022\u003ESchool of Earth and Atmospheric Sciences\u003C\/a\u003E.\u0026nbsp;\u003C\/p\u003E\r\n","format":"limited_html"}],"field_summary_sentence":"","uid":"34434","created_gmt":"2023-10-30 15:31:05","changed_gmt":"2023-10-30 15:31:05","author":"Renay San Miguel","boilerplate_text":"","field_publication":"","publication":"Cornell Chronicle","field_article_url":"","publication_url":"https:\/\/news.cornell.edu\/stories\/2023\/10\/underwater-robot-updates-understanding-ice-shelf-crevasses","dateline":{"date":"2023-10-27T00:00:00-04:00","iso_date":"2023-10-27T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"groups":[{"id":"1278","name":"College of Sciences"},{"id":"364801","name":"School of Earth and Atmospheric Sciences (EAS)"}],"categories":[{"id":"154","name":"Environment"},{"id":"135","name":"Research"},{"id":"134","name":"Student and Faculty"}],"keywords":[{"id":"4896","name":"College of Sciences"},{"id":"166926","name":"School of Earth and Atmospheric Sciences"},{"id":"174094","name":"Justin Lawrence"},{"id":"192173","name":"Icefin probe"},{"id":"171969","name":"Glaciers"},{"id":"181665","name":"Ice Shelf"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}