{"id":193,"date":"2024-09-11T00:31:58","date_gmt":"2024-09-10T21:31:58","guid":{"rendered":"https:\/\/www.spatio.in.ua\/?p=193"},"modified":"2024-09-11T00:31:58","modified_gmt":"2024-09-10T21:31:58","slug":"%d0%ba%d0%b0%d1%85%d0%be%d0%b2%d1%81%d1%8c%d0%ba%d0%b5-%d0%b2%d0%be%d0%b4%d0%be%d1%81%d1%85%d0%be%d0%b2%d0%b8%d1%89%d0%b5-%d1%87%d0%b5%d1%80%d0%b5%d0%b7-%d1%80%d1%96%d0%ba-%d0%bf%d1%96%d1%81%d0%bb","status":"publish","type":"post","link":"https:\/\/www.spatio.in.ua\/?p=193","title":{"rendered":"\u041a\u0430\u0445\u043e\u0432\u0441\u044c\u043a\u0435 \u0432\u043e\u0434\u043e\u0441\u0445\u043e\u0432\u0438\u0449\u0435 \u0447\u0435\u0440\u0435\u0437 \u0440\u0456\u043a \u043f\u0456\u0441\u043b\u044f \u0440\u0443\u0439\u043d\u0443\u0432\u0430\u043d\u043d\u044f \u0434\u0430\u043c\u0431\u0438 \u041a\u0430\u0445\u043e\u0432\u0441\u044c\u043a\u043e\u0457 \u0413\u0415\u0421"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0413\u0440\u0435\u0431\u043b\u044f \u041a\u0430\u0445\u043e\u0432\u0441\u044c\u043a\u043e\u0457 \u0433\u0456\u0434\u0440\u043e\u0435\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u043d\u0446\u0456\u0457 \u0437\u043d\u0438\u0449\u0435\u043d\u043e \u0430\u0440\u043c\u0456\u0454\u044e \u0420\u043e\u0441\u0456\u0457 6 \u0447\u0435\u0440\u0432\u043d\u044f 2023 \u0440\u043e\u043a\u0443. \u042f\u043a \u0432\u0438\u0433\u043b\u044f\u0434\u0430\u0454 \u041a\u0430\u0445\u043e\u0432\u0441\u044c\u043a\u0435 \u0432\u043e\u0434\u043e\u0441\u0445\u043e\u0432\u0438\u0449\u0435 \u0440\u0456\u043a \u043f\u043e\u0442\u043e\u043c\u0443? \u0412\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u0454\u043c\u043e \u0434\u043b\u044f \u0432\u0456\u0437\u0443\u0430\u043b\u0456\u0437\u0430\u0446\u0456\u0457 \u0442\u0430 \u0430\u043d\u0430\u043b\u0456\u0437\u0443 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 Google Earth Engine, \u0441\u0443\u043f\u0443\u0442\u043d\u0438\u043a\u043e\u0432\u0456 \u0437\u043d\u0456\u043c\u043a\u0438 Sentinel-2 \u0442\u0430 \u0456\u043d\u0434\u0435\u043a\u0441 NDWI. \u041d\u0438\u0436\u0447\u0435 \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u043e \u043f\u0440\u0438\u043a\u043b\u0430\u0434 \u043a\u043e\u0434\u0443 \u0434\u043b\u044f \u043e\u0442\u0440\u0438\u043c\u0430\u043d\u043d\u044f \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u0438\u0445 \u0432\u0438\u0449\u0435 \u043a\u0430\u0440\u0442.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\nvar geometry = \n    ee.Geometry.Polygon(\n        &#x5B;&#x5B;&#x5B;33.0019701001224, 48.02863226215282],\n          &#x5B;33.0019701001224, 46.58353286204405],\n          &#x5B;35.5288255688724, 46.58353286204405],\n          &#x5B;35.5288255688724, 48.02863226215282]]], null, false);\n\n\nvar addNDWI = function (image) {\n  var nd = image.normalizedDifference(&#x5B;&#039;B3&#039;, &#039;B8&#039;]).rename(&#039;ndwi&#039;);\n  return image.addBands(nd);\n}\n\nvar s2 = ee.ImageCollection(&quot;COPERNICUS\/S2_HARMONIZED&quot;);\nvar csPlus = ee.ImageCollection(&#039;GOOGLE\/CLOUD_SCORE_PLUS\/V1\/S2_HARMONIZED&#039;);\nvar QA_BAND = &#039;cs&#039;;\nvar CLEAR_THRESHOLD = 0.5;\n\nvar composite1 = s2\n    .filterBounds(geometry)\n    .filterDate(&#039;2022-06-01&#039;, &#039;2022-08-01&#039;)\n    .linkCollection(csPlus, &#x5B;QA_BAND])\n    .map(function(img) {\n      return img.updateMask(img.select(QA_BAND).gte(CLEAR_THRESHOLD));\n    })\n    .map(addNDWI)\n    .mean().clip(geometry);\nvar composite2 = s2\n    .filterBounds(geometry)\n    .filterDate(&#039;2024-06-01&#039;, &#039;2024-08-01&#039;)\n    .linkCollection(csPlus, &#x5B;QA_BAND])\n    .map(function(img) {\n      return img.updateMask(img.select(QA_BAND).gte(CLEAR_THRESHOLD));\n    })\n    .map(addNDWI)\n    .mean().clip(geometry);\n\nvar s2Viz = {bands: &#x5B;&#039;B4&#039;, &#039;B3&#039;, &#039;B2&#039;], min: 0, max: 2000};\nMap.addLayer(composite1, s2Viz, &#039;S2 composite1&#039;);\nMap.addLayer(composite2, s2Viz, &#039;S2 composite2&#039;);\nMap.centerObject(geometry);\n\nvar ndwiParams = {min: -0.7, max: 0.4, palette: &#x5B;&#039;red&#039;, &#039;yellow&#039;, &#039;green&#039;, &#039;cyan&#039;, &#039;blue&#039;]};\nvar S2_ndwi1 = composite1.select(&#039;ndwi&#039;);\nvar S2_ndwi2 = composite2.select(&#039;ndwi&#039;);\nMap.addLayer(S2_ndwi1, ndwiParams, &#039;NDWI 1&#039;);\nMap.addLayer(S2_ndwi2, ndwiParams, &#039;NDWI 2&#039;);\n\nvar ndwiThreshold1 = S2_ndwi1.gte(0.0);\nvar ndwiThreshold2 = S2_ndwi2.gte(0.0);\nvar ndwiMask1 = ndwiThreshold1.updateMask(ndwiThreshold1);\nvar ndwiMask2 = ndwiThreshold2.updateMask(ndwiThreshold2);\nMap.addLayer(ndwiMask1, {palette:&#x5B;&#039;blue&#039;]}, &#039;NDWI 1 Mask&#039;);\nMap.addLayer(ndwiMask2, {palette:&#x5B;&#039;blue&#039;]}, &#039;NDWI 2 Mask&#039;);\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0441\u043f\u0456\u0432\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044f \u043e\u0431\u0440\u0430\u043d\u043e \u0434\u0432\u0430 \u043f\u0435\u0440\u0456\u043e\u0434\u0438: 2022 \u0442\u0430 2024 \u0440\u043e\u043a\u0438. \u041f\u0440\u0438 \u0443\u0441\u0435\u0440\u0435\u0434\u043d\u0435\u043d\u043d\u0456 \u0434\u043b\u044f \u043a\u043e\u0436\u043d\u043e\u0433\u043e \u0440\u043e\u043a\u0443 \u043e\u0431\u0440\u0430\u043d\u043e \u043f\u0435\u0440\u0456\u043e\u0434 \u0437 1 \u0447\u0435\u0440\u0432\u043d\u044f \u0434\u043e 1 \u0441\u0435\u0440\u043f\u043d\u044f, \u0430\u0431\u0438 \u0432\u0438\u043a\u043b\u044e\u0447\u0438\u0442\u0438 \u0445\u043c\u0430\u0440\u043d\u0456 \u0447\u0430\u0441\u0442\u0438\u043d\u0438 \u0437\u043d\u0456\u043c\u043a\u0456\u0432. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043f\u043e\u0447\u0430\u0442\u043a\u0443 \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u0456 \u0443\u0441\u0435\u0440\u0435\u0434\u043d\u0435\u043d\u0456 \u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u043d\u044f \u0437\u043d\u0456\u043c\u043a\u0456\u0432 Sentinel-2 \u0443 \u0432\u0438\u0434\u0438\u043c\u043e\u043c\u0443 \u0441\u043f\u0435\u043a\u0442\u0440\u0456 (\u0437 \u043a\u0430\u043d\u0430\u043b\u0430\u043c\u0438  &#8216;B4&#8217;, &#8216;B3&#8217;, &#8216;B2&#8217; \u0434\u043b\u044f RGB) \u0434\u043b\u044f 2022 \u0440. \u0442\u0430 2024 \u0440. \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u043d\u043e: <\/p>\n\n\n\n<figure class=\"wp-block-image size-full wp-duotone-unset-1\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1200\" src=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2022.png\" alt=\"\" class=\"wp-image-195\" srcset=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2022.png 1920w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2022-300x188.png 300w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2022-1024x640.png 1024w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2022-768x480.png 768w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2022-1536x960.png 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full wp-duotone-unset-2\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1200\" src=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2024.png\" alt=\"\" class=\"wp-image-196\" srcset=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2024.png 1920w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2024-300x188.png 300w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2024-1024x640.png 1024w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2024-768x480.png 768w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/S2_2024-1536x960.png 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0430 \u0446\u0438\u0445 \u0437\u043d\u0456\u043c\u043a\u0430\u0445 \u0432\u0438\u0434\u043d\u043e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438 \u0437\u043c\u0456\u043d \u043d\u0430 \u0442\u0435\u0440\u0438\u0442\u043e\u0440\u0456\u044f\u0445 \u041a\u0430\u0445\u043e\u0432\u0441\u044c\u043a\u043e\u0433\u043e \u0432\u043e\u0434\u043e\u0441\u0445\u043e\u0432\u0438\u0449\u0430 \u0442\u0430 \u0437\u043c\u0456\u043d\u0430 \u0440\u0443\u0441\u043b\u0430 \u0440. \u0414\u043d\u0456\u043f\u0440\u043e. \u041f\u043e-\u0434\u0440\u0443\u0433\u0435, \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0456\u0437\u0443 \u0437\u0430 \u0446\u0435\u0439 \u0441\u0430\u043c\u0438\u0439 \u043f\u0435\u0440\u0456\u043e\u0434 \u0442\u0430 \u0446\u0456 \u043a\u043e\u043b\u0435\u043a\u0446\u0456\u0457 \u0437\u043d\u0456\u043c\u043a\u0456\u0432 Sentinel-2 \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u0456 \u0432\u0456\u0437\u0443\u0430\u043b\u0456\u0437\u0430\u0446\u0456\u0457 \u0432\u043e\u0434\u043d\u043e\u0433\u043e \u0456\u043d\u0434\u0435\u043a\u0441\u0443 NDWI \u0434\u043b\u044f 2022 \u0440. \u0442\u0430 2024 \u0440. \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u043d\u043e:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full wp-duotone-unset-3\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1200\" src=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2022.png\" alt=\"\" class=\"wp-image-197\" srcset=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2022.png 1920w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2022-300x188.png 300w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2022-1024x640.png 1024w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2022-768x480.png 768w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2022-1536x960.png 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full wp-duotone-unset-4\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1200\" src=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2024.png\" alt=\"\" class=\"wp-image-194\" srcset=\"https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2024.png 1920w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2024-300x188.png 300w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2024-1024x640.png 1024w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2024-768x480.png 768w, https:\/\/www.spatio.in.ua\/wp-content\/uploads\/2024\/09\/NDWI2024-1536x960.png 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a\u043e\u0436 \u0443 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043e\u043c\u0443 \u043a\u043e\u0434\u0456 \u0454 \u043c\u043e\u0436\u043b\u0438\u0432\u0456\u0441\u0442\u044c \u043d\u0430\u0432\u0435\u0441\u0442\u0438 \u043c\u0430\u0441\u043a\u0438 \u0434\u043b\u044f \u0432\u043e\u0434\u043d\u0438\u0445 \u043f\u043b\u043e\u0449, \u0434\u043b\u044f \u0447\u043e\u0433\u043e \u0432\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e \u043f\u043e\u0440\u0456\u0433 \u0432\u043e\u0434\u043d\u043e\u0433\u043e \u0456\u043d\u0434\u0435\u043a\u0441\u0443 \u043f\u043e\u043d\u0430\u0434 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f 0: var ndwiThreshold1 = S2_ndwi1.gte(0.0). \u0412\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u044e\u0447\u0438 \u0446\u0435\u0439 \u043f\u043e\u0440\u0456\u0433 \u043c\u043e\u0436\u043d\u0430 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u0432\u0430\u0442\u0438 \u043f\u043b\u043e\u0449\u0456 \u0432\u043e\u0434\u0438 \u0442\u0430 \u0457\u0457 \u0437\u043c\u0456\u043d\u0438. \u0414\u0435\u0442\u0430\u043b\u044c\u043d\u0456\u0448\u0435 \u0437 \u0446\u0438\u043c \u043c\u043e\u0436\u043d\u0430 \u043e\u0437\u043d\u0430\u0439\u043e\u043c\u0438\u0442\u0438\u0441\u044c \u0432 \u0441\u0442\u0430\u0442\u0442\u0456: Francisco J. Pe\u00f1a. Water Detection Using NDWI on Google Earth Engine.  <a href=\"https:\/\/medium.com\/@melqkiades\/water-detection-using-ndwi-on-google-earth-engine-2919a9bf1951\">https:\/\/medium.com\/@melqkiades\/water-detection-using-ndwi-on-google-earth-engine-2919a9bf1951<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0413\u0440\u0435\u0431\u043b\u044f \u041a\u0430\u0445\u043e\u0432\u0441\u044c\u043a\u043e\u0457 \u0433\u0456\u0434\u0440\u043e\u0435\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u043d\u0446\u0456\u0457 \u0437\u043d\u0438\u0449\u0435\u043d\u043e \u0430\u0440\u043c\u0456\u0454\u044e \u0420\u043e\u0441\u0456\u0457 6 \u0447\u0435\u0440\u0432\u043d\u044f 2023 \u0440\u043e\u043a\u0443. \u042f\u043a \u0432\u0438\u0433\u043b\u044f\u0434\u0430\u0454 \u041a\u0430\u0445\u043e\u0432\u0441\u044c\u043a\u0435 \u0432\u043e\u0434\u043e\u0441\u0445\u043e\u0432\u0438\u0449\u0435 \u0440\u0456\u043a \u043f\u043e\u0442\u043e\u043c\u0443? \u0412\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u0454\u043c\u043e \u0434\u043b\u044f \u0432\u0456\u0437\u0443\u0430\u043b\u0456\u0437\u0430\u0446\u0456\u0457 \u0442\u0430 \u0430\u043d\u0430\u043b\u0456\u0437\u0443 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 Google Earth Engine, \u0441\u0443\u043f\u0443\u0442\u043d\u0438\u043a\u043e\u0432\u0456 \u0437\u043d\u0456\u043c\u043a\u0438 Sentinel-2 \u0442\u0430 \u0456\u043d\u0434\u0435\u043a\u0441 NDWI. \u041d\u0438\u0436\u0447\u0435 \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u043e \u043f\u0440\u0438\u043a\u043b\u0430\u0434 \u043a\u043e\u0434\u0443 \u0434\u043b\u044f \u043e\u0442\u0440\u0438\u043c\u0430\u043d\u043d\u044f \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u0438\u0445 \u0432\u0438\u0449\u0435 \u043a\u0430\u0440\u0442. \u0414\u043b\u044f \u0441\u043f\u0456\u0432\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044f \u043e\u0431\u0440\u0430\u043d\u043e \u0434\u0432\u0430 \u043f\u0435\u0440\u0456\u043e\u0434\u0438: 2022 \u0442\u0430 2024 \u0440\u043e\u043a\u0438. \u041f\u0440\u0438 \u0443\u0441\u0435\u0440\u0435\u0434\u043d\u0435\u043d\u043d\u0456 \u0434\u043b\u044f \u043a\u043e\u0436\u043d\u043e\u0433\u043e \u0440\u043e\u043a\u0443 \u043e\u0431\u0440\u0430\u043d\u043e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":194,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=193"}],"version-history":[{"count":2,"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/193\/revisions"}],"predecessor-version":[{"id":199,"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/193\/revisions\/199"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=\/wp\/v2\/media\/194"}],"wp:attachment":[{"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.spatio.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}