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<a href="https://apkpure.com/snow-data-kit/com.cesbio.SDK">https://apkpure.com/snow-data-kit/com.cesbio.SDK</a></strong></p> <p>Nous sommes à la recherche de volontaires pour nous aider à valider un <a href="https://www.cesbio.cnrs.fr/multitemp/maja-and-lis-selected-for-the-next-pan-european-high-resolution-snow-and-ice-monitoring-service/">algorithme</a> de détection de la neige avec le satellite Sentinel-2 ! Toute personne équipée d’un smartphone Android peut participer. Pour cela il suffit d’installer <a href="https://play.google.com/store/apps/details?id=org.odk.collect.android">ODK Collect</a> sur votre smartphone (tutoriel ci-dessous). Ensuite c’est très simple de faire des relevés !</p> <p>Votre mission, si vous l’acceptez, consiste à estimer visuellement le pourcentage de la surface couverte par la neige dans un cercle de 10 m de rayon autour de votre position. (en forêt, c’est la surface du sous bois, couverte de neige qui compte)</p> <figure class="wp-block-image"><a href="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/ODK-snow.png"><img decoding="async" width="769" height="512" src="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/ODK-snow.png" alt="" class="wp-image-17974" srcset="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/ODK-snow.png 769w, https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/ODK-snow-300x200.png 300w" sizes="(max-width: 769px) 100vw, 769px" /></a></figure> <p></p> <figure class="wp-block-image alignnone"><a href="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/m.png"><img decoding="async" width="930" height="526" src="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/m.png" alt="" class="wp-image-17979" srcset="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/m.png 930w, https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/m-300x170.png 300w, https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/m-768x434.png 768w" sizes="(max-width: 930px) 100vw, 930px" /></a><figcaption class="wp-element-caption">Exemples d’estimation du pourcentage enneigé. Il est possible de marquer 0% ou 100% mais de préférence les relevés doivent être faits dans une zone partiellement enneigée.</figcaption></figure> <p>Nous avons prévu des cadeaux pour récompenser ceux qui auront fait le plus de relevés !</p> <ul class="wp-block-list"> <li>– <a href="https://picdumidi.com/fr/preparer-votre-sejour/votre-journee-au-sommet-des-pyrenees">Un lot de deux entrées pour une journée à l’observatoire du Pic du Midi</a></li> <li>– Des paires de raquette</li> <li>– Des goodies !</li> </ul> <p>Les gagnants seront informés avant l’été 2020.</p> <hr class="wp-block-separator has-alpha-channel-opacity" /> <p>Voici la procédure détaillée pour installer le formulaire Neige :</p> <div class="sedoo_iframe "><iframe loading="lazy" src="//www.slideshare.net/slideshow/embed_code/key/iOTwozCIawcHYs" width="100%" height="400px" frameborder="0" scrolling=yes class="sedoo_blocks_iframe"></iframe></div> <p>(en cas de problème d’affichage <a href="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2020/02/odk-neige.pdf">télécharger le tutoriel au format PDF</a>).</p> </section> </article> </main> </div> <footer class="wrapper single-footer"> <div> <h2>Plus d'actualités</h2> <section role="listNews" class="post-wrapper"> <article id="post-26413" class="post post-26413 type-post status-publish format-standard has-post-thumbnail hentry category-landsat category-sentinel-2 category-snow-ice category-spot-world-heritage tag-neige tag-snow"> <a href="https://www.cesbio.cnrs.fr/multitemp/evolution-de-laltitude-de-la-ligne-de-neige-au-cours-des-41-dernieres-annees-dans-le-bassin-versant-du-veneon-oisans/"></a> <header class="entry-header"> <figure> <img width="400" height="235" src="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2024/07/pneo-e1720853762803-576x500-1-400x235.jpg" class="attachment-thumbnail-loop size-thumbnail-loop wp-post-image" alt="" decoding="async" loading="lazy" /> </figure> </header> <div class="group-content"> <div class="entry-content"> <h4>Evolution de l’altitude de la ligne de neige au cours des 41 dernières années dans le bassin versant du Vénéon (Oisans)</h4> <p>Pour contribuer à caractériser les conditions hydrométéorologiques lors de la crue torrentielle qui a frappé la Bérarde en juin, j’ai analysé une nouvelle série de cartes d’enneigement qui couvre la période 1984-2024 [1]. 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[…]</p> </div> <footer class="entry-footer"> <p>27.10.2024</p> <a href="https://www.cesbio.cnrs.fr/multitemp/biophysical-parameter-retrieval-from-sentinel-2-images-using-physics-driven-deep-learning-for-prosail-inversion/">Lire la suite →</a> </footer> </div> </article> <article id="post-26110" class="post post-26110 type-post status-publish format-standard has-post-thumbnail hentry category-landsat category-snow-ice tag-antarctica tag-vegetation"> <a href="https://www.cesbio.cnrs.fr/multitemp/is-antarctica-greening/"></a> <header class="entry-header"> <figure> <img width="400" height="235" src="https://www.cesbio.cnrs.fr/multitemp/wp-content/uploads/sites/11/2024/10/DeceptionIslandFeb2018b-400x235.jpeg" class="attachment-thumbnail-loop size-thumbnail-loop wp-post-image" alt="" decoding="async" loading="lazy" /> </figure> </header> <div class="group-content"> <div class="entry-content"> <h4>Is Antarctica greening?</h4> <p>In a recent study, Roland and Bartlett et al. 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