{"id":48042,"date":"2022-02-10T11:13:00","date_gmt":"2022-02-10T10:13:00","guid":{"rendered":"https:\/\/magazin.tu-braunschweig.de\/?post_type=kb_presseinformation&#038;p=48042"},"modified":"2022-02-24T11:29:05","modified_gmt":"2022-02-24T10:29:05","slug":"in-the-arctic-with-a-helicopter-towed-probe","status":"publish","type":"kb_presseinformation","link":"https:\/\/magazin.tu-braunschweig.de\/en\/pi-post\/in-the-arctic-with-a-helicopter-towed-probe\/","title":{"rendered":"In the Arctic with a Helicopter Towed Probe"},"content":{"rendered":"<p class=\"entry\">Hundreds of international researchers are currently evaluating the observations of the MOSAiC expedition. During the expedition in the central Arctic Ocean, they were able to record hundreds of environmental parameters with unprecedented accuracy and frequency over a full annual cycle. Now they have published the physical properties of the atmosphere, snow and sea ice as well as the ocean in three scientific review articles in the journal &#8220;Elementa&#8221;. These results provide a complete picture of climate processes in the central Arctic for the first time. Technische Universit\u00e4t Braunschweig was also involved in the measurements with a helicopter towed probe.<\/p>\n<p>TU Braunschweig was involved <a href=\"https:\/\/magazin.tu-braunschweig.de\/m-post\/wir-hatten-unsere-apollo-13-momente\/\">in the Arctic expedition<\/a> with HELiPOD, a helicopter towed probe. HELiPOD measures meteorological variables (temperature, humidity, wind), solar radiation, aerosol, trace gases, surface roughness and surface temperature, and documents the ice surface with various cameras. During a total of five flights, it was possible to simultaneously measure properties of the atmosphere and the surface over flight distances of 20 to 60 kilometres in the vicinity of the &#8220;Polarstern&#8221;.<\/p>\n<p>The data provide information about the small-scale differences, as well as how well the measurements on the &#8220;Polarstern&#8221; also reflect the conditions in the immediate vicinity. &#8220;The post-processing of the more than 60 sensors is very time-consuming, but has now almost been completed,&#8221; reports Dr Falk P\u00e4tzold from the Institute of Flight Guidance, who was on board the &#8220;Polarstern&#8221; himself and carried out the HELiPOD measurements. &#8220;The varying ice cover has a big influence on how much heat, moisture and other substances get from the surface into the atmosphere.&#8221; The TU Braunschweig team is a co-author on the &#8220;Atmosphere&#8221; and &#8220;Ice and Snow&#8221; studies.<\/p>\n<p><a href=\"https:\/\/www.awi.de\/en\/about-us\/service\/press\/single-view\/tiefe-einblicke-in-die-arktis-von-morgen.html\">The research results at a glance: AWI announcement<\/a><\/p>\n<h3>Background information on MOSAiC<\/h3>\n<p>During the MOSAiC expedition, scientists from 20 nations explored the Arctic throughout the year. As part of this, from autumn 2019 to autumn 2020, the German icebreaker &#8220;Polarstern&#8221; drifted through the Arctic Ocean, frozen in the ice. MOSAiC was realised under the leadership of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI). More than 80 institutes worked together in a research consortium so that this unique project could succeed and the most valuable data possible could be obtained. The total cost of the expedition was around 150 million euros, most of which was financed by the Federal Ministry of Education and Research.<\/p>\n<h3>Original publications:<\/h3>\n<p>Nicolaus, M, Perovich, DK, Spreen, G, Granskog, MA et al, 2022: Overview of the MOSAiC expedition: Snow and sea ice. Elementa: Science of the Anthropocene 10(1). DOI: <a href=\"https:\/\/doi.org\/10.1525\/elementa.2021.000046\">https:\/\/doi.org\/10.1525\/elementa.2021.000046<\/a><\/p>\n<p>Rabe, B, Heuz\u00e9, C, Regnery et al., 2022: Overview of the MOSAiC expedition: Physical oceanography. Elementa: Science of the Anthropocene 10(1). DOI: <a href=\"https:\/\/doi.org\/10.1525\/elementa.2021.00062\">https:\/\/doi.org\/10.1525\/elementa.2021.00062<\/a><\/p>\n<p>Shupe, M.D., M. Rex, B. Blomquist, P.O.G. Persson, J. Schmale, T. Uttal et al., 2022: Overview of the MOSAiC expedition \u2013 Atmosphere. Elementa, Science of the Anthropocene, 10 (1), DOI: <a href=\"https:\/\/doi.org\/10.1525\/elementa.2021.00060\">https:\/\/doi.org\/10.1525\/elementa.2021.00060<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hundreds of international researchers are currently evaluating the observations of &#8230; <\/p>\n","protected":false},"author":44,"featured_media":47832,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","class_list":["post-48042","kb_presseinformation","type-kb_presseinformation","status-publish","format-standard","has-post-thumbnail","hentry","kb_cat_presse-research","kb_tags-aviation","kb_tags-environment"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>In the Arctic with a Helicopter Towed Probe - TU Braunschweig | Blogs<\/title>\n<meta name=\"description\" content=\"Hundreds of international researchers are currently evaluating the observations of the MOSAiC expedition. 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Some of the sensors are located directly in the air flow: at the top in front with the black inlet is a sensor for measuring the methane concentration, and below it is a much smaller sensor for measuring the carbon dioxide concentration. Other external sensors determine the air temperature and humidity, as well as the angle of inflow. Although the weather is too bad to fly, there is always something to test. Green plastic skis are mounted under the skids for transport on the ice. 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