2026-10-07T11:10:59Z https://api.figshare.com/v2/oai

oai:figshare.com:article/33426472 2026-09-17T08:28:05Z category_25918 item_type_3 month_year_09_2026

Dataset of "Seasonal evolution of a warm alpine snowpack: a multi-instrument dataset of snow microstructure at Col de Porte, French Alps" Neige Calonne (7550615) Pascal Hagenmuller (7390373) Remi Granger (24703799) Lisa Bouvet (24703800) Kévin Fourteau (24703806) Julien Brondex (24703808) Francois Tuzet (24703812) Yves Lejeune (24703813) Anne Dufour (24703816) Mathieu Fructus (24703821) Aoki Teruo (24703824) Marie Dumont (24703743) Glaciology snowpack field measurement SnowMicroPen tomography snow profiles <p dir="ltr">Dataset for the paper "Seasonal evolution of a warm alpine snowpack: a multi-instrument dataset of snow microstructure at Col de Porte, French Alps" by Calonne et al., 2026, submitted to ESSD. The observation site of Col de Porte is located at an elevation of 1325 m in the northwestern part of the French Alps (45.30° N, 5.77° E) (Lejeune et al. 2019).</p><p dir="ltr">The dataset includes :<br>- <b>properties_ct.csv</b> that provides the snow properties computed from the tomography images.<br>- <b>segmented_images.tar</b> that provides the binary snow images in .zarr format. The code zarr_example.py provides an example to read the .zarr images.</p><p dir="ltr">- <b>field_data_2021_2022.zip</b> and <b>field_data_2022_2023.zip</b> that provide the field measurements:</p><ul><li>\cutter provides density profiles from cutter measurements in .csv</li><li>\dufisss provides SSA profiles from dufisss measurements in .csv</li><li>\stratigraphy provides the traditional snow profiles in .caaml. You can open the .caaml files with the dedicated online tool niViz: <a href="https://niviz.org/" target="_blank">https://niviz.org/</a>.</li><li>\smp provides force, density, and SSA profiles from SMP measurements in .csv, as well as raw penetration-force measurements that can be opened with the <i>snowmicropyn</i> Python package.</li><li>\hissgras provides SSA profiles from hissgras measurements in .csv.</li></ul><p><br></p><p><br></p><p dir="ltr">Affiliation: Météo-France, CNRS, Univ. Grenoble Alpes, Univ. Toulouse, CNRM, Centre d’Études de la Neige, 38000 Grenoble, France</p> 2026-09-17T08:28:05Z Dataset Dataset 10.6084/m9.figshare.33426472.v4 https://figshare.com/articles/dataset/Dataset_of_Seasonal_evolution_of_a_warm_alpine_snowpack_a_multi-instrument_dataset_of_snow_microstructure_at_Col_de_Porte_French_Alps_by_Calonne_et_al_2026_submitted_to_ESSD_/33426472 CC BY 4.0