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bottom: 13.65%;"> <div id="headerimage-abbr" style="background-color: rgb(0, 125, 184);">CR</div> <div id="headerimage-name" style="color: #333; background-color: rgba(255, 255, 255, 0.8)">Cryospheric Sciences</div> </div> </div></header> <nav id="breadcrumb"><div class="container"><a href="/">EGU Blogs</a> » <a href="/divisions/">Divisions</a> » <a href="https://blogs.egu.eu/divisions/cr">Cryospheric Sciences</a> » Author Archive</div></nav> <header class="entry-header page-header" style=""> <div class="container"> <img width="80" height="80" src="https://blogs.egu.eu/divisions/cr/files/2022/03/cropped-LoekaJongejans_ProfilPicture_Blogpost040322-100x100.jpg" class="avatar avatar-80 photo wp-post-image" alt="" decoding="async" srcset="https://blogs.egu.eu/divisions/cr/files/2022/03/cropped-LoekaJongejans_ProfilPicture_Blogpost040322-100x100.jpg 100w, https://blogs.egu.eu/divisions/cr/files/2022/03/cropped-LoekaJongejans_ProfilPicture_Blogpost040322-300x300.jpg 300w, https://blogs.egu.eu/divisions/cr/files/2022/03/cropped-LoekaJongejans_ProfilPicture_Blogpost040322-150x150.jpg 150w, https://blogs.egu.eu/divisions/cr/files/2022/03/cropped-LoekaJongejans_ProfilPicture_Blogpost040322-399x400.jpg 399w, https://blogs.egu.eu/divisions/cr/files/2022/03/cropped-LoekaJongejans_ProfilPicture_Blogpost040322.jpg 630w" sizes="(max-width: 80px) 100vw, 80px" /><div class="author-meta"> <h1 class="entry-title" style="">Loeka Jongejans</h1> <h2 class="subtitle" style="">Loeka Jongejans is a science communicator. During her PhD at the Alfred Wegener Institute, she worked on Arctic permafrost sediments and the impact of permafrost thaw on stored carbon. Now, as a Postdoctoral research at the Ruhr-University Bochum, she does science communication and works on geographic topics such as light pollution and aerospace. E-Mail: loeka.jongejans@ruhr-uni-bochum.de</h2> </div> </div> </header> <div id="content-wrapper" class="container"> <div id="content"> <div class="post-wrapper blog-masonry"> <article class="post-loop post-15987 post type-post status-publish format-standard has-post-thumbnail hentry category-editor-post tag-arctic tag-climate-change tag-friday-13th tag-minimum tag-sea-ice"> <header class="entry-header"> <h2 class="loop-title"><a href="https://blogs.egu.eu/divisions/cr/2024/09/13/friday-the-13th-an-unlucky-day-for-sea-ice/" title="Friday the 13th – an unlucky day for sea ice?" target="">Friday the 13th – an unlucky day for sea ice?</a></h2> <div class="entry-meta"> <span class="meta-author"><a href="https://blogs.egu.eu/divisions/cr/author/mariascheel/" title="Posts by Maria Scheel" class="author url fn" rel="author">Maria Scheel</a> and <a href="https://blogs.egu.eu/divisions/cr/author/loeka-jongejans/" title="Posts by Loeka Jongejans" class="author url fn" rel="author">Loeka Jongejans</a></span> <span class="meta-date">September 13, 2024</span> </div>  </header>  <div class="post-thumbnail wp-caption aligncenter"> <a href="https://blogs.egu.eu/divisions/cr/2024/09/13/friday-the-13th-an-unlucky-day-for-sea-ice/"> <img src="https://blogs.egu.eu/divisions/cr/files/2024/09/seaice-600x400.jpg" data-rel="https://blogs.egu.eu/divisions/cr/files/2024/09/seaice-1201x800.jpg" width="600" height="400" alt="Thin, small sea ice floats on the dark waters." class="wp-post-image" /> </a> <div class="featured_caption">Image credit Andrew Elvidge (distributed via imaggeo.egu.eu)</div> </div> <div class="entry-content"> <p>On this September 13th, coinciding to be a “Friday 13th”, we wanted to scan the cryo-history for expeditions started, sunken ships that day, and mountain myths. And we did find that. But as autumn approaches in the Northern hemisphere, the spookiest story of all was this one: the unlucky timing of the Arctic sea ice in September. TGIF – but not for sea ice Although the median min ...<a href="https://blogs.egu.eu/divisions/cr/2024/09/13/friday-the-13th-an-unlucky-day-for-sea-ice/" class="read-more more-link" title="Friday the 13th – an unlucky day for sea ice?">[Read More]</a></p> </div> </article> <article class="post-loop post-14796 post type-post status-publish format-standard has-post-thumbnail hentry category-did-you-know tag-arctic tag-artificial-light tag-light-pollution"> <header class="entry-header"> <h2 class="loop-title"><a href="https://blogs.egu.eu/divisions/cr/2023/07/07/light-pollution-in-the-arctic/" title="Did you know there is light pollution even in the Arctic?" target="">Did you know there is light pollution even in the Arctic?</a></h2> <div class="entry-meta"> <span class="meta-author"><a href="https://blogs.egu.eu/divisions/cr/author/loeka-jongejans/" title="Posts by Loeka Jongejans" class="author url fn" rel="author">Loeka Jongejans</a></span> <span class="meta-date">July 7, 2023</span> </div>  </header>  <div class="post-thumbnail wp-caption aligncenter"> <a href="https://blogs.egu.eu/divisions/cr/2023/07/07/light-pollution-in-the-arctic/"> <img src="https://blogs.egu.eu/divisions/cr/files/2023/07/FW1-arctic-light-pollution-1440x680-1-700x331.jpg" data-rel="https://blogs.egu.eu/divisions/cr/files/2023/07/FW1-arctic-light-pollution-1440x680-1-1400x661.jpg" width="700" height="331" alt="Did you know there is light pollution even in the Arctic?" class="wp-post-image" /> </a> <div class="featured_caption">Light pollution exists even in the Arctic from, for example, cruise ships, cargo ships and research vessels. [Credit: Michael O. Snyder]</div> </div> <div class="entry-content"> <p>Light emissions are increasing worldwide and much of the world is light polluted due to excessive and inefficient light use. This has negative consequences for many organisms, such as birds, insects, fish, plants and humans. Even in the high Arctic, which is remote and sparsely populated, and experiences the polar night for a large part of the year, there are artificial light sources which disturb ...<a href="https://blogs.egu.eu/divisions/cr/2023/07/07/light-pollution-in-the-arctic/" class="read-more more-link" title="Did you know there is light pollution even in the Arctic?">[Read More]</a></p> </div> </article> <article class="post-loop post-13777 post type-post status-publish format-standard has-post-thumbnail hentry category-image-of-the-week tag-arctic tag-biology tag-polar-ornithology tag-polar-regions"> <header class="entry-header"> <h2 class="loop-title"><a href="https://blogs.egu.eu/divisions/cr/2023/01/20/arctic-birds/" title="Image of the week – Birds in the Arctic" target="">Image of the week – Birds in the Arctic</a></h2> <div class="entry-meta"> <span class="meta-author"><a href="https://blogs.egu.eu/divisions/cr/author/loeka-jongejans/" title="Posts by Loeka Jongejans" rel="author">Loeka Jongejans</a></span> <span class="meta-date">January 20, 2023</span> </div>  </header>  <div class="post-thumbnail wp-caption aligncenter"> <a href="https://blogs.egu.eu/divisions/cr/2023/01/20/arctic-birds/"> <img src="https://blogs.egu.eu/divisions/cr/files/2023/01/fig1-598x400.png" data-rel="https://blogs.egu.eu/divisions/cr/files/2023/01/fig1-1196x800.png" width="598" height="400" alt="Image of the week – Birds in the Arctic" class="wp-post-image" /> </a> <div class="featured_caption">Northern Gannet in flight in the Lofoten, Norway. Photo credit: L. Jongejans</div> </div> <div class="entry-content"> <p>I am a hobby ornithologist and love watching birds. It is fun and relaxing to search the trees or fields for feathered friends. One has to be aware of their surroundings, which can make birding even meditative. Here, I will tell you more about Arctic breeding birds, their population declines and I present to you three birds of the many I saw on my very first trips to the Arctic. Arctic breeding bi ...<a href="https://blogs.egu.eu/divisions/cr/2023/01/20/arctic-birds/" class="read-more more-link" title="Image of the week – Birds in the Arctic">[Read More]</a></p> </div> </article> <article class="post-loop post-13362 post type-post status-publish format-standard has-post-thumbnail hentry category-cryoscience-art tag-microbes tag-permafrost tag-poetry tag-retrogressive-thaw-slump tag-river-erosion tag-thaw tag-thermokarst"> <header class="entry-header"> <h2 class="loop-title"><a href="https://blogs.egu.eu/divisions/cr/2022/11/25/haiku-permafrost/" title="Wake up every one – permafrost microbes feasting – greenhouse gases go" target="">Wake up every one – permafrost microbes feasting – greenhouse gases go</a></h2> <div class="entry-meta"> <span class="meta-author"><a href="https://blogs.egu.eu/divisions/cr/author/loeka-jongejans/" title="Posts by Loeka Jongejans" rel="author">Loeka Jongejans</a></span> <span class="meta-date">November 25, 2022</span> </div>  </header>  <div class="post-thumbnail wp-caption aligncenter"> <a href="https://blogs.egu.eu/divisions/cr/2022/11/25/haiku-permafrost/"> <img src="https://blogs.egu.eu/divisions/cr/files/2022/11/Featured-image-400x400.png" data-rel="https://blogs.egu.eu/divisions/cr/files/2022/11/Featured-image-800x800.png" width="400" height="400" alt="Wake up every one – permafrost microbes feasting – greenhouse gases go" class="wp-post-image" /> </a> </div> <div class="entry-content"> <p>I really like to combine science and art. This puts science in a larger perspective and can help understand it in different ways. And perhaps more importantly, it evokes emotion. I wrote haikus and created stencils for every chapter of my PhD thesis. I created these artworks to illustrate the dimensions of the permafrost region and the consequences of global warming on permafrost. Let me show you ...<a href="https://blogs.egu.eu/divisions/cr/2022/11/25/haiku-permafrost/" class="read-more more-link" title="Wake up every one – permafrost microbes feasting – greenhouse gases go">[Read More]</a></p> </div> </article> <article class="post-loop post-11941 post type-post status-publish format-standard has-post-thumbnail hentry category-cryo-comm category-cryoscience-art tag-climate-change tag-permafrost tag-poetry tag-science-communication"> <header class="entry-header"> <h2 class="loop-title"><a href="https://blogs.egu.eu/divisions/cr/2022/03/04/you-left-us-too-early-a-eulogy-to-permafrost/" title="You left us too early: a eulogy to permafrost" target="">You left us too early: a eulogy to permafrost</a></h2> <div class="entry-meta"> <span class="meta-author"><a href="https://blogs.egu.eu/divisions/cr/author/loeka-jongejans/" title="Posts by Loeka Jongejans" rel="author">Loeka Jongejans</a></span> <span class="meta-date">March 4, 2022</span> </div>  </header>  <div class="post-thumbnail wp-caption aligncenter"> <a href="https://blogs.egu.eu/divisions/cr/2022/03/04/you-left-us-too-early-a-eulogy-to-permafrost/"> <img src="https://blogs.egu.eu/divisions/cr/files/2022/03/CottonGrass_LoekaJongejans_Blogpost040322-300x400.jpg" data-rel="https://blogs.egu.eu/divisions/cr/files/2022/03/CottonGrass_LoekaJongejans_Blogpost040322-600x800.jpg" width="300" height="400" alt="You left us too early: a eulogy to permafrost" class="wp-post-image" /> </a> <div class="featured_caption">Cotton grass grows in wet landscapes in many tundra landscapes. Photo credit: Loeka Jongejans</div> </div> <div class="entry-content"> <p>Most problems faced in research are complex and require creativity and critical thinking. Thus, we need to be creative in science! Or maybe, science itself is creative and there is no such thing as non-creative science. Anyhow, in today’s world, where TED-talks, science slams and elevator pitches, not to mention tweets, are ubiquitous, it is important that scientific expression takes on a form tha ...<a href="https://blogs.egu.eu/divisions/cr/2022/03/04/you-left-us-too-early-a-eulogy-to-permafrost/" class="read-more more-link" title="You left us too early: a eulogy to permafrost">[Read More]</a></p> </div> </article> </div> </div> <aside id="sidebar"> <div id="text-2" class="widget widget_text"><h3 class="widgettitle">About</h3> <div class="textwidget"><p>Welcome to the <a href="/divisions/cr/about/">blog</a> of the <a href="http://www.egu.eu/cr/">Cryospheric Sciences (CR) Division</a> of the <a href="http://www.egu.eu">European Geosciences Union</a> (EGU). The aim of the blog is to get you, the reader, excited about all things related to ice, whether it be the tiniest ice crystals, snow drifts, beautiful mountain glaciers or the vast polar ice sheets. Here, the latest fieldwork programmes, research projects or scientific results will be showcased by bloggers from the cryospheric community. The blog is currently run by Loeka Jongejans, Lina Madaj and Maria Scheel. Would you like to write a blog entry about your research? Please get in touch with the editors, Loeka Jongejans (email: loeka.jongejans(at)live.nl), Lina Madaj (email: l.madaj(at)vu.nl) or Maria Scheel (email: maria.scheel(at)envs.au.dk).</p> </div> </div><div id="block-2" class="widget widget_block widget_media_image"> <figure class="wp-block-image size-medium is-resized"><a href="https://blogs.egu.eu/divisions/cr/2021/10/22/its-getting-hot-in-here-ancient-microbes-in-thawing-permafrost/"><img loading="lazy" decoding="async" src="https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2021-300x300.png" alt="Blue circle with yellow EGU logo and yellow text saying winner 2021, best blog post, panel vote." class="wp-image-11841" width="300" height="300" srcset="https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2021-300x300.png 300w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2021-150x150.png 150w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2021-768x769.png 768w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2021-100x100.png 100w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2021-399x400.png 399w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2021.png 792w" sizes="auto, (max-width: 300px) 100vw, 300px" /></a></figure> </div><div id="block-3" class="widget widget_block widget_media_image"> <figure class="wp-block-image size-medium"><a href="https://blogs.egu.eu/divisions/cr/2019/09/06/cryo-adventures-life-and-science-at-a-central-greenland-ice-core-drilling-camp/"><img loading="lazy" decoding="async" width="300" height="300" src="https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2019-300x300.png" alt="Blue circle with yellow EGU logo and yellow text saying winner 2019, best blog post, panel vote." class="wp-image-11847" srcset="https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2019-300x300.png 300w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2019-150x150.png 150w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2019-768x769.png 768w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2019-100x100.png 100w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2019-399x400.png 399w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-panel-2019.png 792w" sizes="auto, (max-width: 300px) 100vw, 300px" /></a></figure> </div><div id="block-4" class="widget widget_block widget_media_image"> <figure class="wp-block-image size-medium"><a href="https://blogs.egu.eu/divisions/cr/2016/09/02/image-of-the-week-the-journey-of-a-snowflake/"><img loading="lazy" decoding="async" width="300" height="300" src="https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-2016-300x300.png" alt="Blue circle with yellow EGU logo and yellow text saying winner 2016, best blog post." class="wp-image-11850" srcset="https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-2016-300x300.png 300w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-2016-150x150.png 150w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-2016-768x768.png 768w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-2016-100x100.png 100w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-2016-400x400.png 400w, https://blogs.egu.eu/divisions/cr/files/2022/02/Best-Blog-2016.png 792w" sizes="auto, (max-width: 300px) 100vw, 300px" /></a></figure> </div><div id="egu_social_media_widget-2" class="widget widget_egu_social_media_widget"><div id="socialmediawidget"> </div></div><div id="s2_form_widget-2" class="widget s2_form_widget"><h3 class="widgettitle">Subscribe to Blog</h3><div class="search"><form name="s2formwidget" method="post" action="https://blogs.egu.eu/divisions/cr/subscribe/"><input type="hidden" name="ip" value="8.222.208.146" /><span style="display:none !important"><label 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