{"id":2796,"date":"2026-06-12T18:17:50","date_gmt":"2026-06-12T18:17:50","guid":{"rendered":"https:\/\/copernicus.gis.is\/homepage\/?p=2796"},"modified":"2026-06-12T18:17:51","modified_gmt":"2026-06-12T18:17:51","slug":"ny-skyjalaus-sentinel-2-mosaikmynd-af-islandi","status":"publish","type":"post","link":"https:\/\/copernicus.gis.is\/homepage\/index.php\/2026\/06\/12\/ny-skyjalaus-sentinel-2-mosaikmynd-af-islandi\/","title":{"rendered":"N\u00fd sk\u00fdjalaus Sentinel 2 m\u00f3sa\u00edkmynd af \u00cdslandi"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full is-resized wp-duotone-unset-1\"><img loading=\"lazy\" decoding=\"async\" width=\"46\" height=\"33\" src=\"https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2024\/08\/ISL.png\" alt=\"\" class=\"wp-image-377\" style=\"width:46px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/natt.is\" data-type=\"link\" data-id=\"https:\/\/natt.is\" target=\"_blank\" rel=\"noreferrer noopener\">N\u00e1tt\u00farufr\u00e6\u00f0istofnun<\/a> hefur unni\u00f0 n\u00fdtt sk\u00fdjalaust mi\u00f0gildism\u00f3sa\u00edk af \u00cdslandi me\u00f0 breyttum Copernicus Sentinel-2 g\u00f6gnum fr\u00e1 j\u00fal\u00ed og \u00e1g\u00fast \u00e1rin 2023, 2024 og 2025.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f3sa\u00edki\u00f0 var unni\u00f0 me\u00f0 \u00fev\u00ed a\u00f0 reikna mi\u00f0gildi hvers myndeiningar yfir valdar sumarmyndir. \u00deessi a\u00f0fer\u00f0 dregur \u00far \u00e1hrifum sk\u00fdjahulu, su\u00f0s og skammt\u00edmabreytinga tengdum \u00e1rst\u00ed\u00f0asveiflum og gefur \u00feannig sk\u00fdra og samr\u00e6mda yfirs\u00fdn yfir \u00cdsland.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gagnasafni\u00f0 inniheldur Sentinel-2 b\u00f6nd \u00ed 10 m upplausn: B2, B3, B4, B5, B6, B7, B8, B8A, B11 og B12.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">60 m b\u00f6ndin eru ekki me\u00f0 \u00ed gagnasafninu. \u00d6ll b\u00f6nd hafa veri\u00f0 endurkv\u00f6r\u00f0u\u00f0 \u00ed 10 m upplausn og eru afhent \u00ed ISN 2016 &#8211; EPSG:8088. M\u00f3sa\u00edki\u00f0 hefur veri\u00f0 klippt me\u00f0 3 km ja\u00f0arsv\u00e6\u00f0i utan um \u00cdsland.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00f6gnin eru a\u00f0gengileg \u00e1 tvennu formi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hr\u00e1ar GeoTIFF-fl\u00edsar \u00ed EPSG:8088, um 20 MB hver, samtals um \u00fea\u00f0 bil 13 GB.<\/li>\n\n\n\n<li>Myndgert sk\u00fdjami\u00f0a\u00f0 GeoTIFF me\u00f0 JPEG-\u00fej\u00f6ppun \u00ed EPSG:3857, um \u00fea\u00f0 bil 190 MB, sem hentar vel fyrir notkun \u00ed felt.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Gagnasafni\u00f0 er a\u00f0gengilegt til sko\u00f0unar og ni\u00f0urhals \u00e1n endurgjalds undir <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/deed.en\" target=\"_blank\" rel=\"noreferrer noopener\">CC BY 4.0<\/a> leyfi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00fdsig\u00f6gn:<br><a href=\"https:\/\/gatt.gis.is\/geonetwork\/srv\/ice\/catalog.search#\/metadata\/ec8d688e-1def-4b31-a2eb-c6cea8e43362\">https:\/\/gatt.gis.is\/geonetwork\/srv\/ice\/catalog.search#\/metadata\/ec8d688e-1def-4b31-a2eb-c6cea8e43362<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sko\u00f0a og hla\u00f0a ni\u00f0ur \u00ed vefkorti:<br><a href=\"https:\/\/kort.gis.is\/mapview\/?app=kort&amp;l=is&amp;c=-2023960,9655925&amp;z=2.0&amp;ls=18251,18253,13790&amp;op=18253_1,18251_1\">https:\/\/kort.gis.is\/mapview\/?app=kort&amp;l=is&amp;c=-2023960,9655925&amp;z=2.0&amp;ls=18251,18253,13790&amp;op=18253_1,18251_1<\/a><\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"\n  position: relative;\n  left: 50%;\n  right: 50%;\n  margin-left: -50vw;\n  margin-right: -50vw;\n  width: 100vw;\n  max-width: 100vw;\n  padding: 0;\n  overflow: visible;\n\">\n\n  <iframe\n    src=\"https:\/\/gis.natt.is\/gisdata\/sentinel2\/public\/s2_mosaic_2023-2025_3857\/openlayers.html\"\n    title=\"Cloudless Sentinel-2 mosaic of Iceland, 2023\u20132025\"\n    style=\"\n      display: block;\n      width: 100%;\n      height: 95vh;\n      min-height: 760px;\n      border: 0;\n    \"\n    loading=\"lazy\"\n    allowfullscreen>\n  <\/iframe>\n\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full wp-duotone-unset-2\"><img loading=\"lazy\" decoding=\"async\" width=\"46\" height=\"33\" src=\"https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2024\/08\/EN.png\" alt=\"\" class=\"wp-image-378\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.natt.is\/en\" target=\"_blank\" rel=\"noreferrer noopener\">N\u00e1tt\u00farufr\u00e6\u00f0istofnun<\/a> has produced a new cloudless median mosaic of Iceland using modified Copernicus Sentinel-2 data from July and August in the years 2023, 2024 and 2025.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The mosaic was created by calculating the median value of each pixel across the selected summer imagery. This method helps reduce cloud cover, noise and short-term seasonal variation, resulting in a clear and consistent overview of Iceland.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The dataset includes Sentinel-2 bands at 10 m resolution: B2, B3, B4, B5, B6, B7, B8, B8A, B11 and B12<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 60 m bands were not included. All bands have been resampled to 10 m resolution and are provided in ISN 2016 &#8211; EPSG:8088. The mosaic has been clipped using a 3 km buffer around Iceland.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The data is available in two forms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Raw GeoTIFF tiles in EPSG:8088 of around 20 MB each, approximately 13 GB in total.<\/li>\n\n\n\n<li>Rendered cloud-optimized GeoTIFF with JPEG compression in EPSG:3857, approximately 190 MB, ideal for mobile usage. <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The dataset is available to view and download free of charge under <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/deed.en\" target=\"_blank\" rel=\"noreferrer noopener\">CC BY 4.0 License.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Metadata:<\/strong><br><a href=\"https:\/\/gatt.gis.is\/geonetwork\/srv\/ice\/catalog.search#\/metadata\/ec8d688e-1def-4b31-a2eb-c6cea8e43362\">https:\/\/gatt.gis.is\/geonetwork\/srv\/ice\/catalog.search#\/metadata\/ec8d688e-1def-4b31-a2eb-c6cea8e43362<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>View and download via webmap:<\/strong><br><a href=\"https:\/\/kort.gis.is\/mapview\/?app=kort&amp;l=is&amp;c=-2023960,9655925&amp;z=2.0&amp;ls=18251,18253,13790&amp;op=18253_1,18251_1\">https:\/\/kort.gis.is\/mapview\/?app=kort&amp;l=is&amp;c=-2023960,9655925&amp;z=2.0&amp;ls=18251,18253,13790&amp;op=18253_1,18251_1<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large wp-duotone-unset-3\"><a href=\"https:\/\/kort.gis.is\/mapview\/?app=kort&amp;l=is&amp;c=-2023960,9655925&amp;z=2.0&amp;ls=18251,18253,13790&amp;op=18253_1,18251_1\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"567\" src=\"https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2026\/06\/Sentinel2_sumarmosaik-1024x567.png\" alt=\"\" class=\"wp-image-2797\" srcset=\"https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2026\/06\/Sentinel2_sumarmosaik-1024x567.png 1024w, https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2026\/06\/Sentinel2_sumarmosaik-300x166.png 300w, https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2026\/06\/Sentinel2_sumarmosaik-768x426.png 768w, https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2026\/06\/Sentinel2_sumarmosaik-1536x851.png 1536w, https:\/\/copernicus.gis.is\/homepage\/wp-content\/uploads\/2026\/06\/Sentinel2_sumarmosaik.png 1913w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>N\u00e1tt\u00farufr\u00e6\u00f0istofnun hefur unni\u00f0 n\u00fdtt sk\u00fdjalaust mi\u00f0gildism\u00f3sa\u00edk af \u00cdslandi me\u00f0 breyttum Copernicus Sentinel-2 g\u00f6gnum fr\u00e1 j\u00fal\u00ed og \u00e1g\u00fast \u00e1rin 2023, 2024 og 2025. M\u00f3sa\u00edki\u00f0 var unni\u00f0 me\u00f0 \u00fev\u00ed a\u00f0 reikna mi\u00f0gildi hvers myndeiningar yfir valdar sumarmyndir. \u00deessi a\u00f0fer\u00f0 dregur \u00far \u00e1hrifum sk\u00fdjahulu, su\u00f0s og skammt\u00edmabreytinga tengdum \u00e1rst\u00ed\u00f0asveiflum og gefur \u00feannig sk\u00fdra og samr\u00e6mda yfirs\u00fdn yfir \u00cdsland. [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2797,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,32,8,76],"tags":[13,14,79,78],"class_list":["post-2796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-copernicus","category-iceland","category-news","category-sentinel","tag-copernicus","tag-iceland","tag-mosaic","tag-sentinel2"],"_links":{"self":[{"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/posts\/2796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/comments?post=2796"}],"version-history":[{"count":2,"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/posts\/2796\/revisions"}],"predecessor-version":[{"id":2799,"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/posts\/2796\/revisions\/2799"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/media\/2797"}],"wp:attachment":[{"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/media?parent=2796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/categories?post=2796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/copernicus.gis.is\/homepage\/index.php\/wp-json\/wp\/v2\/tags?post=2796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}