{"id":3609,"date":"2024-08-08T13:53:00","date_gmt":"2024-08-08T13:53:00","guid":{"rendered":"https:\/\/digitalearthafrica.org\/?p=3609"},"modified":"2025-05-29T12:35:32","modified_gmt":"2025-05-29T12:35:32","slug":"eo-data-measuring-ecological-threats-to-harares-water-supply","status":"publish","type":"post","link":"https:\/\/digitalearthafrica.org\/ar\/eo-data-measuring-ecological-threats-to-harares-water-supply\/","title":{"rendered":"\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0646\u0638\u0645\u0629 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u062a\u0642\u064a\u0633 \u0627\u0644\u062a\u0647\u062f\u064a\u062f\u0627\u062a \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0644\u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647 \u0641\u064a \u0647\u0631\u0627\u0631\u064a"},"content":{"rendered":"<p>\u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647 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href=\"https:\/\/docs.digitalearthafrica.org\/en\/latest\/sandbox\/notebooks\/Real_world_examples\/Water_extent_sentinel_2.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u0645\u0624\u0634\u0631 \u0641\u0631\u0642 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u0645\u0639\u062f\u0644 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0627\u0644\u0645\u0639\u062f\u0644 (MNDWI)<\/a>&nbsp;\u0642\u062f\u0645 \u0645\u062f\u0649 \u0627\u0644\u0645\u064a\u0627\u0647 \u0641\u064a \u0627\u0644\u0641\u062a\u0631\u0629 \u0645\u0646 \u064a\u0646\u0627\u064a\u0631\/\u0643\u0627\u0646\u0648\u0646 \u0627\u0644\u062b\u0627\u0646\u064a 2017 \u0625\u0644\u0649 \u062f\u064a\u0633\u0645\u0628\u0631\/\u0643\u0627\u0646\u0648\u0646 \u0627\u0644\u0623\u0648\u0644 2023 \u0628\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 \u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0637\u0648\u0644 \u0627\u0644\u0623\u0645\u0637\u0627\u0631 \u0627\u0644\u062a\u064a \u062a\u0645 \u062a\u0648\u0644\u064a\u062f\u0647\u0627 \u0645\u0646 \u0642\u0628\u0644 CHIRPS\u060c \u0645\u0645\u0627 \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0627\u0644\u062c\u0641\u0627\u0641 \u0641\u064a \u0623\u0643\u062a\u0648\u0628\u0631\/\u062a\u0634\u0631\u064a\u0646 \u0627\u0644\u0623\u0648\u0644 2020 \u0648\u0627\u0644\u0641\u064a\u0636\u0627\u0646\u0627\u062a \u0641\u064a \u0623\u0648\u0627\u0626\u0644 \u0639\u0627\u0645 2021. \u0648\u0643\u0627\u0646\u062a \u0627\u0644\u0641\u064a\u0636\u0627\u0646\u0627\u062a \u0646\u062a\u064a\u062c\u0629 \u0645\u0628\u0627\u0634\u0631\u0629 \u0644\u0644\u0625\u0639\u0635\u0627\u0631\u064a\u0646 \u0627\u0644\u0645\u062f\u0627\u0631\u064a\u064a\u0646 \u0625\u0644\u0648\u064a\u0632 \u0641\u064a \u0627\u0644\u0641\u062a\u0631\u0629 \u0645\u0646 11 \u0625\u0644\u0649 27 \u064a\u0646\u0627\u064a\u0631\/\u0643\u0627\u0646\u0648\u0646 \u0627\u0644\u062b\u0627\u0646\u064a 2021 \u0648\u063a\u0648\u0627\u0645\u0628\u064a \u0641\u064a \u0627\u0644\u0641\u062a\u0631\u0629 \u0645\u0646 11 \u0641\u0628\u0631\u0627\u064a\u0631\/\u0634\u0628\u0627\u0637 \u0625\u0644\u0649 22 \u0641\u0628\u0631\u0627\u064a\u0631\/\u0634\u0628\u0627\u0637 2021.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"604\" src=\"https:\/\/digitalearthafrica.org\/wp-content\/uploads\/unnamed-1920x604.webp\" alt=\"\" class=\"wp-image-3613\" srcset=\"https:\/\/digitalearthafrica.org\/wp-content\/uploads\/unnamed-1920x604.webp 1920w, https:\/\/digitalearthafrica.org\/wp-content\/uploads\/unnamed-960x302.webp 960w, https:\/\/digitalearthafrica.org\/wp-content\/uploads\/unnamed-768x242.webp 768w, https:\/\/digitalearthafrica.org\/wp-content\/uploads\/unnamed-1536x483.webp 1536w, https:\/\/digitalearthafrica.org\/wp-content\/uploads\/unnamed.webp 2048w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p><em>\u0627\u0644\u0634\u0643\u0644 2: \u0628\u062d\u064a\u0631\u0629 \u062a\u0634\u064a\u0641\u064a\u0631\u0648 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062f\u064a \u0623\u0641\u0631\u064a\u0643\u0627 \u0631\u0648\u0644\u064a\u0646\u062c \u062c\u064a\u0648\u0645\u064a\u062f\u064a\u0627\u0646 (L) - \u0627\u0644\u0628\u062d\u064a\u0631\u0629\u00a0<\/em>\u062a\u0634\u064a\u0641\u064a\u0631\u0648<em>:\u00a0<\/em>2023<em>\u00a0<\/em>\u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u00a0<em>\u062c\u064a\u0648\u0645\u064a\u062f\u064a\u0627\u0646 \u0641\u064a RGB (RGB (R) - \u0627\u0644\u0628\u062d\u064a\u0631\u0629\u00a0<\/em>\u062a\u0634\u064a\u0641\u064a\u0631\u0648<em>: 202<\/em>3<em>\u00a0<\/em>\u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u00a0<em>Geomedian \u0641\u064a MNDWI (\u0628\u064a\u0627\u0646\u0627\u062a Sentinel-2 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 Digital Earth Africa)\u00a0<\/em><\/p>\n\n\n\n<p>\u0628\u0639\u062f \u0642\u064a\u0627\u0633 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\u0639\u0646\u062f \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0648\u062a\u0648\u0627\u0631\u064a\u062e \u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0646 \u062a\u0631\u0643\u064a\u0632 \u0627\u0644\u0643\u0644\u0648\u0631\u0648\u0641\u064a\u0644 \u0641\u064a \u0627\u0644\u0645\u064a\u0627\u0647 \u0645\u0639 \u0645\u0644\u0627\u062d\u0638\u0629 \u0627\u0631\u062a\u0641\u0627\u0639 \u062a\u0631\u0643\u064a\u0632 \u0627\u0644\u0643\u0644\u0648\u0631\u0648\u0641\u064a\u0644 \u0641\u064a \u0627\u0644\u0645\u064a\u0627\u0647 \u0641\u064a \u0635\u0648\u0631 Sentinel 2 \u0641\u064a 13 \u0645\u0627\u0631\u0633 2017\u060c \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u062a\u0631\u0643\u064a\u0632 \u0627\u0644\u0643\u0644\u0648\u0631\u0648\u0641\u064a\u0644 \u0641\u064a 2 \u062f\u064a\u0633\u0645\u0628\u0631 2023.&nbsp;<\/p>\n\n\n\n<p>\u0648\u0644\u0647\u0630\u0647 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0623\u0647\u0645\u064a\u0629 \u0643\u0628\u064a\u0631\u0629 \u0641\u064a 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\u0641\u064a \u062a\u062d\u0644\u064a\u0644 \u0646\u0645\u0648 \u0627\u0644\u0637\u062d\u0627\u0644\u0628 \u0648\u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0647\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0628\u0630\u0629 \u0639\u0646 \u0627\u0644\u0645\u0624\u0644\u0641<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"684\" height=\"567\" src=\"https:\/\/digitalearthafrica.org\/wp-content\/uploads\/muongeni.jpg\" alt=\"\" class=\"wp-image-3611\" style=\"width:226px;height:auto\"\/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.digitalearthafrica.org\/sites\/default\/files\/inline-images\/muongeni.jpg\"><\/a>\u0645\u0648\u0646\u063a\u064a\u0646\u064a \u0645\u0627\u0646\u062f\u0627 \u0647\u064a \u062e\u0631\u064a\u062c\u0629 \u062f\u0631\u0627\u0633\u0627\u062a \u0639\u0644\u064a\u0627 \u0641\u064a \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u064a\u0629 \u0627\u0644\u062c\u063a\u0631\u0627\u0641\u064a\u0629 \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u0628\u064a\u0626\u0629 \u0645\u0646&nbsp;<a href=\"https:\/\/www.cut.ac.zw\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u062c\u0627\u0645\u0639\u0629 \u062a\u0634\u064a\u0646\u0647\u0648\u064a\u064a \u0644\u0644\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627\u060c \u0632\u064a\u0645\u0628\u0627\u0628\u0648\u064a<\/a>.&nbsp;<\/p>\n\n\n\n<p>\u0648\u0642\u062f \u062f\u062e\u0644\u062a \u0627\u0644\u062a\u0627\u0631\u064a\u062e \u0628\u0627\u0639\u062a\u0628\u0627\u0631\u0647\u0627 \u0627\u0644\u0645\u0631\u0623\u0629 \u0627\u0644\u0648\u062d\u064a\u062f\u0629 \u0645\u0646 \u0623\u0641\u0631\u064a\u0642\u064a\u0627 \u0627\u0644\u062a\u064a \u0648\u0635\u0644\u062a \u0625\u0644\u0649 \u0642\u0627\u0626\u0645\u0629 \u0623\u0641\u0636\u0644 30 \u0645\u0646 \u0627\u0644\u0642\u064a\u0627\u062f\u0627\u062a \u0627\u0644\u0641\u0636\u0627\u0626\u064a\u0629 \u0627\u0644\u0634\u0627\u0628\u0629 \u0627\u0644\u0646\u0627\u0634\u0626\u0629 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0639\u0627\u0644\u0645\u060c \u0648\u0647\u064a \u0637\u0627\u0644\u0628\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0638\u0645\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 \u0644\u0645\u062d\u062a\u0631\u0641\u064a \u0627\u0644\u0641\u0636\u0627\u0621 \u0648\u0627\u0644\u0623\u0642\u0645\u0627\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 - \u0627\u0644\u0645\u0631\u0623\u0629 \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u0641\u0636\u0627\u0621\u060c \u0643\u0645\u0627 \u062a\u0644\u0642\u062a \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0645\u0647\u0646\u064a\u0629 \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u064a\u0629 \u0627\u0644\u062c\u063a\u0631\u0627\u0641\u064a\u0629 \u0648\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u0646\u0627\u062e \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u0628\u064a\u0626\u0629.<\/p>","protected":false},"excerpt":{"rendered":"<p>When the water supply to a large, bustling city such as Harare is threatened by decreasing oxygen levels, the use of technology &#8211; and specifically earth observation data &#8211; in order to map and predict concentrations of algal growth becomes critical. This was the approach used by Muongeni Manda, a Geoinformatics and Environmental Conservation postgraduate [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3610,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12,35],"tags":[],"audience":[],"class_list":["post-3609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-use-cases","category-water-resources"],"acf":[],"_links":{"self":[{"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/posts\/3609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/comments?post=3609"}],"version-history":[{"count":2,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/posts\/3609\/revisions"}],"predecessor-version":[{"id":4515,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/posts\/3609\/revisions\/4515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/media\/3610"}],"wp:attachment":[{"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/media?parent=3609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/categories?post=3609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/tags?post=3609"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/digitalearthafrica.org\/ar\/wp-json\/wp\/v2\/audience?post=3609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}