{"id":1164,"date":"2019-01-21T13:01:09","date_gmt":"2019-01-21T12:01:09","guid":{"rendered":"https:\/\/hannes.enjoys.it\/blog\/?p=1164"},"modified":"2022-07-25T20:44:35","modified_gmt":"2022-07-25T18:44:35","slug":"average-earth-from-space-2018","status":"publish","type":"post","link":"https:\/\/hannes.enjoys.it\/blog\/2019\/01\/average-earth-from-space-2018\/","title":{"rendered":"Average Earth from Space 2018"},"content":{"rendered":"\n<p>I collected all the daily images of the satellite-based <a href=\"https:\/\/jointmission.gsfc.nasa.gov\/viirs.html\">Soumi VIIRS<\/a> sensor and calculated the per-pixel average over the whole year of 2018.<\/p>\n\n\n\n<p>You can <a href=\"https:\/\/hannes.enjoys.it\/carto\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median\/\">explore it in full resolution in an interactive webmap<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_2000px.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_2000px.jpg\" alt=\"\" class=\"wp-image-1177\" width=\"1000\" height=\"500\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_2000px.jpg 2000w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_2000px-250x125.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_2000px-768x384.jpg 768w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_2000px-700x350.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_2000px-120x60.jpg 120w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption>WGS84 \/ Equirectangular<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px.jpg\" alt=\"\" class=\"wp-image-1178\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px.jpg 2000w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px-768x768.jpg 768w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px-700x700.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px-120x120.jpg 120w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption>Web Mercator<\/figcaption><\/figure>\n\n\n\n<figure><figure><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/310658699\" webkitallowfullscreen=\"\" mozallowfullscreen=\"\" allowfullscreen=\"\" width=\"1000\" height=\"500\" frameborder=\"0\"><\/iframe><\/figure><\/figure>\n\n\n\n<p>You can see fascinating patterns, e.g. &#8220;downstream&#8221; of islands in the ocean or following big rivers like the Amazon. Be wary though as snow and clouds look the same here.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_europe.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1179\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_europe-700x700.jpg\" alt=\"\" class=\"wp-image-1179\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_europe.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_europe-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_europe-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_europe-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Bit of Europe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_atlanticislands.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1186\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_atlanticislands-700x700.jpg\" alt=\"\" class=\"wp-image-1186\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_atlanticislands.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_atlanticislands-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_atlanticislands-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_atlanticislands-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Islands in the Atlantic Ocean<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_canusa.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"466\" data-id=\"1180\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_canusa-700x466.jpg\" alt=\"\" class=\"wp-image-1180\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_canusa-700x466.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_canusa-250x167.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_canusa-768x511.jpg 768w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_canusa-120x80.jpg 120w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_canusa.jpg 1000w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>North America<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_seasia.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1185\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_seasia-700x700.jpg\" alt=\"\" class=\"wp-image-1185\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_seasia.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_seasia-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_seasia-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_seasia-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Parts of South-East Asia<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_russia.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1183\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_russia-700x700.jpg\" alt=\"\" class=\"wp-image-1183\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_russia.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_russia-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_russia-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_russia-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Somewhere in Russia<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_india.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1182\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_india-700x700.jpg\" alt=\"\" class=\"wp-image-1182\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_india.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_india-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_india-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_median.vrt_2000px_india-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Around India<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_amazon.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1181\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_amazon-700x700.jpg\" alt=\"\" class=\"wp-image-1181\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_amazon.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_amazon-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_amazon-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_amazon-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Amazon<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_caribbean.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1190\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_caribbean-700x700.jpg\" alt=\"\" class=\"wp-image-1190\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_caribbean.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_caribbean-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_caribbean-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_caribbean-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Caribbean<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_madagascaretc.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" data-id=\"1189\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_madagascaretc-700x700.jpg\" alt=\"\" class=\"wp-image-1189\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_madagascaretc.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_madagascaretc-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_madagascaretc-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_madagascaretc-120x120.jpg 120w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption>Around Madagascar<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px.jpg\" alt=\"\" class=\"wp-image-1191\" width=\"1000\" height=\"998\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px.jpg 1002w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px-768x766.jpg 768w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px-700x699.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.1020_1000px-120x120.jpg 120w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"998\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px.jpg\" alt=\"\" class=\"wp-image-1192\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px.jpg 1000w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px-768x766.jpg 768w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px-700x699.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_4326_median.vrt_.-8015_1000px-120x120.jpg 120w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<p>It&#8217;s also fun to look at the maximum to see cloudless regions (this image is highly exaggerated and does not make <em>too<\/em> much sense anyways):<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px-700x700.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px.jpg\" alt=\"\" class=\"wp-image-1188\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px.jpg 2000w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px-150x150.jpg 150w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px-250x250.jpg 250w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px-768x768.jpg 768w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px-700x700.jpg 700w, https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_max.vrt_2000px-120x120.jpg 120w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<p>Many thanks to <a href=\"https:\/\/twitter.com\/jscarto\">Joshua Stevens<\/a> for motivation and infos on data availability! The initial idea was of course inspired by <a href=\"https:\/\/twitter.com\/vruba\">Charlie &#8216;vruba&#8217; Lyod<\/a>&#8216;s <a href=\"https:\/\/www.flickr.com\/photos\/vruba\/albums\/72157631622037685\">Cloudless atlas<\/a> works. I explored imagery on <a href=\"https:\/\/worldview.earthdata.nasa.gov\/\">https:\/\/worldview.earthdata.nasa.gov\/<\/a>, grabbed Soumi VIIRS images via <a href=\"https:\/\/wiki.earthdata.nasa.gov\/display\/GIBS\/GIBS+API+for+Developers\">https:\/\/wiki.earthdata.nasa.gov\/display\/GIBS\/GIBS+API+for+Developers<\/a> and processed it in GDAL. Poke me repeatedly to blog about the process please. (2022: Or don&#8217;t, I didn&#8217;t document it back then and can&#8217;t remember the final specifics. I think I did use imagemagick&#8217;s <code>-evaluate-sequence<\/code> median but might have done something in <code>vips2<\/code> instead. The <a href=\"https:\/\/hannes.enjoys.it\/blog\/2021\/01\/satellite-composite-of-earth-2020\/\">2020<\/a> approach via GDAL is much easier.)<\/p>\n\n\n\n<p>Full resolution, georeferenced imagery as Cloud-Optimized GeoTIFF:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/hannes.enjoys.it\/cog\/VIIRS_SNPP_CorrectedReflectance_TrueColor-2018_4326_median.vrt.cog.tif\">EPSG:4326<\/a> (12288&#215;6144, 125 MB)<\/li><li><a href=\"https:\/\/hannes.enjoys.it\/cog\/VIIRS_SNPP_CorrectedReflectance_TrueColor-2018_median.vrt.cog.tif\">EPSG:3857<\/a> (8192&#215;8192, 90 MB)<\/li><\/ul>\n\n\n\n<p class=\"has-small-font-size\">*I said average but of course it is the median. The average or mean does not make much sense to use nor <a href=\"https:\/\/hannes.enjoys.it\/blog\/wp-content\/uploads\/VIIRS_SNPP_CorrectedReflectance_TrueColor_mean.vrt_1000px.jpg\">does it look any good<\/a>. ;-)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I collected all the daily images of the satellite-based Soumi VIIRS sensor and calculated the per-pixel average over the whole year of 2018. You can explore it in full resolution in an interactive webmap. You can see fascinating patterns, e.g. &#8220;downstream&#8221; of islands in the ocean or following big rivers like the Amazon. Be wary [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,29,10],"tags":[],"class_list":["post-1164","post","type-post","status-publish","format-standard","hentry","category-gdal","category-gis","category-open-data"],"_links":{"self":[{"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/posts\/1164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/comments?post=1164"}],"version-history":[{"count":29,"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/posts\/1164\/revisions"}],"predecessor-version":[{"id":1783,"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/posts\/1164\/revisions\/1783"}],"wp:attachment":[{"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/media?parent=1164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/categories?post=1164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hannes.enjoys.it\/blog\/wp-json\/wp\/v2\/tags?post=1164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}