{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:40:45Z","timestamp":1760150445888,"version":"build-2065373602"},"reference-count":101,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2023,11,20]],"date-time":"2023-11-20T00:00:00Z","timestamp":1700438400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"FNDR GORE Magallanes \u201cPrograma de Transferencia Cient\u00edfico Tecnol\u00f3gico Modelamiento Clim\u00e1tico Planificaci\u00f3n, XII Regi\u00f3n, C\u00f3digo BIP N\u02da 30462410\u201d"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Several methods based on satellite data products are available to estimate snow cover properties, each one with its pros and cons. This work proposes and implements a novel methodology that integrates three main processes applied to MODIS satellite data for snow cover property reconstruction: (1) the increase in the spatial resolution of MODIS (MOD09) data to 250 m using a spectral fusion technique; (2) a new proposal of snow-cloud discrimination; (3) the daily spatio-temporal reconstruction of snow extent and its albedo signature using the endmembers extraction and spectral mixture analyses. The snow cover reconstruction method was applied to the Brunswick Peninsula, Chilean Patagonia, a low-elevation (&lt;1500 m a.s.l.) mid-latitude area. The results show a 98% agreement between MODIS snow detection and ground-based snow measurements at the automatic weather station, Tres Morros (53.3174\u00b0S, 71.2790\u00b0W), with fractional snow cover values between 20% and 50%, showing a close relationship between snow and vegetation type. The number of snow days compiled from the MODIS data indicates a good performance (Pearson\u2019s correlation of 0.9) compared with the number of skiing days at the Cerro Mirador ski center, Punta Arenas. Although the number of seasonal snow days showed a significant increasing trend of 0.54 days\/year in the Brunswick Peninsula during the 2000\u20132020 period, a significant decrease of \u22124.64 days\/year was detected in 2010\u20132020.<\/jats:p>","DOI":"10.3390\/rs15225430","type":"journal-article","created":{"date-parts":[[2023,11,20]],"date-time":"2023-11-20T11:31:36Z","timestamp":1700479896000},"page":"5430","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Snow Cover Reconstruction in the Brunswick Peninsula, Patagonia, Derived from a Combination of the Spectral Fusion, Mixture Analysis, and Temporal Interpolation of MODIS Data"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7546-0106","authenticated-orcid":false,"given":"Francisco","family":"Aguirre","sequence":"first","affiliation":[{"name":"Centro de Investigaci\u00f3n Gaia Ant\u00e1rtica (CIGA), Universidad de Magallanes, Punta Arenas 6210427, Chile"},{"name":"Ecology and Biodiversity Institute (IEB), Puerto Williams 6350080, Chile"},{"name":"The School for Field Studies, Center for Climate Studies, Puerto Natales 6161009, Chile"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1021-8241","authenticated-orcid":false,"given":"Deniz","family":"Bozkurt","sequence":"additional","affiliation":[{"name":"Center for Climate and Resilience Research (CR)2, Santiago 8320000, Chile"},{"name":"Departamento de Meteorolog\u00eda, Universidad de Valpara\u00edso, Valpara\u00edso 2340000, Chile"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2232-8096","authenticated-orcid":false,"given":"Tobias","family":"Sauter","sequence":"additional","affiliation":[{"name":"Geography Department, Humboldt-Universit\u00e4t zu Berlin, 12489 Berlin, Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2154-5483","authenticated-orcid":false,"given":"Jorge","family":"Carrasco","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n Gaia Ant\u00e1rtica (CIGA), Universidad de Magallanes, Punta Arenas 6210427, Chile"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9914-3217","authenticated-orcid":false,"given":"Christoph","family":"Schneider","sequence":"additional","affiliation":[{"name":"Geography Department, Humboldt-Universit\u00e4t zu Berlin, 12489 Berlin, Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3319-1168","authenticated-orcid":false,"given":"Ricardo","family":"Ja\u00f1a","sequence":"additional","affiliation":[{"name":"Scientific Department, Chilean Antarctic Institute, Punta Arenas 6200965, Chile"}]},{"given":"Gino","family":"Casassa","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n Gaia Ant\u00e1rtica (CIGA), Universidad de Magallanes, Punta Arenas 6210427, Chile"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"284","DOI":"10.1016\/j.rse.2018.06.021","article-title":"Developing a Composite Daily Snow Cover Extent Record over the Tibetan Plateau from 1981 to 2016 Using Multisource Data","volume":"215","author":"Chen","year":"2018","journal-title":"Remote Sens. 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