{"id":1152162,"date":"2021-03-01T08:43:41","date_gmt":"2021-03-01T16:43:41","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=1152162"},"modified":"2022-04-18T17:11:15","modified_gmt":"2022-04-19T00:11:15","slug":"ethiopia-change-detection-wizard","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard","title":{"rendered":"Ethiopia&#8217;s changing landscape"},"author":8222,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23341,22931,22871],"tags":[24101,564122,115262,25871,39531],"industry":[],"product":[36561],"class_list":["post-1152162","blog","type-blog","status-publish","format-standard","hentry","category-analytics","category-imagery","category-state-government","tag-africa","tag-change-detection","tag-imagery","tag-land-cover","tag-ndvi","product-arcgis-pro"],"acf":{"short_description":"Learn how to use the new Change Detection Wizard in this Learn Lesson about Ethiopia's changing landscapes.","flexible_content":[{"acf_fc_layout":"image","image":{"ID":1152452,"id":1152452,"title":"Ethiopia","filename":"FeaturedGalleryImage.jpg","filesize":22483,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard\/featuredgalleryimage","alt":"Ethiopian farm land","author":"8222","description":"","caption":"","name":"featuredgalleryimage","status":"inherit","uploaded_to":1152162,"date":"2021-03-01 16:08:45","modified":"2021-03-01 16:09:07","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":400,"height":250,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","medium-width":400,"medium-height":250,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","medium_large-width":400,"medium_large-height":250,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","large-width":400,"large-height":250,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","1536x1536-width":400,"1536x1536-height":250,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","2048x2048-width":400,"2048x2048-height":250,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","card_image-width":400,"card_image-height":250,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/FeaturedGalleryImage.jpg","wide_image-width":400,"wide_image-height":250}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<p>In this blog, read about how you can use the new Change Detection Wizard in ArcGIS Pro 2.7 to evaluate land cover and vegetation changes in Ethiopia. When you&#8217;re done, take a look to see how your corner of the world is changing.<\/p>\n<h2>Land cover change in Ethiopia<\/h2>\n<p>In the last 40 years, the population of Ethiopia has grown from ~40 million to ~110 million people. This population growth, along with changes in land management practices and agriculture, has results in some significant changes to the landscapes of this sub-Saharan African country.<\/p>\n<p>In addition to these longer-term changes in land use and land cover, the 2020 locust swarm (considered the <a href=\"https:\/\/www.aa.com.tr\/en\/africa\/ethiopia-worst-locust-outbreak-in-25-years\/2031673\" target=\"_blank\" rel=\"noopener\">worst locust outbreak in 25 years<\/a>) has seriously impacted the agriculture, economy, and livelihoods of millions of Ethiopian citizens.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1152462,"id":1152462,"title":"swarm","filename":"swarm.jpg","filesize":59698,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard\/swarm","alt":"Swarm","author":"8222","description":"","caption":"","name":"swarm","status":"inherit","uploaded_to":1152162,"date":"2021-03-01 16:11:39","modified":"2021-03-01 16:12:18","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":600,"height":400,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","medium-width":392,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","medium_large-width":600,"medium_large-height":400,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","large-width":600,"large-height":400,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","1536x1536-width":600,"1536x1536-height":400,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","2048x2048-width":600,"2048x2048-height":400,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","card_image-width":600,"card_image-height":400,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/swarm.jpg","wide_image-width":600,"wide_image-height":400}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<h2>Change Detection Wizard<\/h2>\n<p>With the <a href=\"https:\/\/pro.arcgis.com\/en\/pro-app\/latest\/help\/analysis\/image-analyst\/the-change-detection-wizard.htm\" target=\"_blank\" rel=\"noopener\">new Change Detection Wizard<\/a> in ArcGIS Pro 2.7, you can evaluate land cover change, vegetation coverage change, and other types of change using imagery and raster datasets:<\/p>\n<ul id=\"UL_05C3D410AC9B4D938A1AC891EDE47FAA\">\n<li id=\"LI_74525F83334E47AF867A0F40EDF4C93D\"><strong><span class=\"uicontrol\">Categorical change<\/span><\/strong>\u2014Identify the type of change that has occurred between two thematic or categorical rasters, such as land cover. You can save your final output as a raster dataset, a polygon feature class, or a raster function template.<\/li>\n<li id=\"LI_29AEEB30872E4B008ED3B3176E38E29E\"><strong><span class=\"uicontrol\">Pixel value change<\/span><\/strong>\u2014Calculate the difference in pixel values between two continuous rasters, such as temperature rasters or multiband imagery. You can save your final output as a raster dataset, a polygon feature class, or a raster function template.<\/li>\n<li id=\"LI_32CA10F7EE8B4CE2865B4EFA1E6D8E3A\"><strong><span class=\"uicontrol\">Time series change<\/span><\/strong>\u2014Identify the date of change in a time series of images using either the Continuous Change Detection and Classification (CCDC) method or the Landsat-based Detection of Trends in Disturbance and Recovery (LandTrendr) method. You can extract the date of earliest, latest, or largest change, or the total number of changes on a pixel-by-pixel basis.<\/li>\n<\/ul>\n<p>The wizard is included with the <a href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/whats-new-in-the-arcgis-image-analyst-extension-arcgis-pro-2-7\/\" target=\"_blank\" rel=\"noopener\">ArcGIS Image Analyst extension<\/a>.<\/p>\n<p>In a new Learn Lesson, we calculated the long-term changes in Ethiopian land cover using two land cover datasets, then we evaluated the change in vegetation index values by comparing two Landsat scenes, before and after\/during the locust swarm in 2020.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1152552,"id":1152552,"title":"learnlesson","filename":"learnlesson.jpg","filesize":108357,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard\/learnlesson","alt":"Learn Lesson graphic","author":"8222","description":"","caption":"","name":"learnlesson","status":"inherit","uploaded_to":1152162,"date":"2021-03-01 16:21:04","modified":"2021-03-01 16:21:22","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1247,"height":341,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson.jpg","medium-width":464,"medium-height":127,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson.jpg","medium_large-width":768,"medium_large-height":210,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson.jpg","large-width":1247,"large-height":341,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson.jpg","1536x1536-width":1247,"1536x1536-height":341,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson.jpg","2048x2048-width":1247,"2048x2048-height":341,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson-826x226.jpg","card_image-width":826,"card_image-height":226,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/learnlesson.jpg","wide_image-width":1247,"wide_image-height":341}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/learn.arcgis.com\/en\/projects\/evaluate-ethiopia-s-changing-landscape\/"},{"acf_fc_layout":"content","content":"<p>Check out the new <a href=\"https:\/\/learn.arcgis.com\/en\/projects\/evaluate-ethiopia-s-changing-landscape\/\" target=\"_blank\" rel=\"noopener\">Learn Lesson here<\/a> or by clicking the image above!<\/p>\n<p>When you&#8217;re finished, be sure to do some change detection for <a href=\"https:\/\/learn.arcgis.com\/en\/projects\/evaluate-ethiopia-s-changing-landscape\/#perform-change-analysis-where-you-live-(optional)\" target=\"_blank\" rel=\"noopener\">your country, city or neighborhood!<\/a><\/p>\n<p>&nbsp;<\/p>\n"}],"authors":[{"ID":8222,"user_firstname":"Julia","user_lastname":"Lenhardt","nickname":"Julia L","user_nicename":"jlenhardt","display_name":"Julia Lenhardt","user_email":"JLenhardt@esri.com","user_url":"","user_registered":"2018-08-03 17:12:51","user_description":"Julia is a product engineer on the Raster team. She has been with Esri since 2014 and has a background in remote sensing and GIS for environmental research. In addition to image analysis, she has a passion for music, running, good food and animal welfare.","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/10\/Me.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}],"related_articles":"","card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/BlogCard.jpg","wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/03\/BlogBanner.jpg"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Change Detection Wizard in ArcGIS &amp; Ethiopia&#039;s Changing Landscape<\/title>\n<meta name=\"description\" content=\"See how you can use the new Change Detection Wizard to evaluate land cover change and vegetation change in Ethiopia, or anywhere in the world.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ethiopia&#039;s changing landscape\" \/>\n<meta property=\"og:description\" content=\"See how you can use the new Change Detection Wizard to evaluate land cover change and vegetation change in Ethiopia, or anywhere in the world.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard\" \/>\n<meta property=\"og:site_name\" content=\"ArcGIS Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/esrigis\/\" \/>\n<meta property=\"article:modified_time\" content=\"2022-04-19T00:11:15+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ESRI\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard\"},\"author\":{\"name\":\"Julia Lenhardt\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/dd72385e82420c28c64ee1e347f8e26b\"},\"headline\":\"Ethiopia&#8217;s changing landscape\",\"datePublished\":\"2021-03-01T16:43:41+00:00\",\"dateModified\":\"2022-04-19T00:11:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/imagery\/ethiopia-change-detection-wizard\"},\"wordCount\":4,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"keywords\":[\"Africa\",\"Change Detection\",\"Imagery\",\"Land Cover\",\"ndvi\"],\"articleSection\":[\"Analytics\",\"Imagery &amp; 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