{"id":154,"date":"2016-11-21T12:02:32","date_gmt":"2016-11-21T19:02:32","guid":{"rendered":"https:\/\/blogs.ubc.ca\/fionajones\/?p=154"},"modified":"2016-12-02T19:48:12","modified_gmt":"2016-12-03T02:48:12","slug":"tsunami-danger-in-vancouver","status":"publish","type":"post","link":"https:\/\/blogs.ubc.ca\/fionajones\/2016\/11\/21\/tsunami-danger-in-vancouver\/","title":{"rendered":"Lab 3: Tsunami Danger in Vancouver"},"content":{"rendered":"<p><u>Percentage in Danger:<\/u><\/p>\n<figure id=\"attachment_155\" aria-describedby=\"caption-attachment-155\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-155\" src=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Tsunami-Danger-300x225.jpg\" alt=\"Landuses in danger of being being effected by a tsunami in Vancouver\" width=\"300\" height=\"225\" srcset=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Tsunami-Danger-300x225.jpg 300w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Tsunami-Danger-768x576.jpg 768w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Tsunami-Danger-1024x768.jpg 1024w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Tsunami-Danger.jpg 1152w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-155\" class=\"wp-caption-text\">Landuses in danger of being being effected by a tsunami in Vancouver<\/figcaption><\/figure>\n<p>From this map, it is possible to see that 15.5% of Vancouver is at risk of a Tsunami. This figure comes from comparing the area in danger of a tsunami with the total area of the city. The places in danger from a tsunami are defined as areas that are 15 meters or less above sea level and within 1km of the coast. By mapping both this danger zone over a background map of Vancouver, it is possible to visually assess the proportion of Vancouver in danger. To mathematically calculate the percentage at risk requires identifying the total area in danger:<\/p>\n<ul>\n<li>right click on layer &gt; attribute table &gt; highlight area column &gt; right click &gt; summarize &gt; note \u201csum\u201d value)<\/li>\n<li>divide this by the total area of Vancouver (using the same method for identifying the total area as before)<\/li>\n<li>Multiplying the result by 100.<\/li>\n<\/ul>\n<p>Simplified visual depiction of process:<\/p>\n<figure id=\"attachment_156\" aria-describedby=\"caption-attachment-156\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-156 size-medium\" src=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Making-Danger-Zone-300x119.png\" alt=\"making-danger-zone\" width=\"300\" height=\"119\" srcset=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Making-Danger-Zone-300x119.png 300w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Making-Danger-Zone.png 638w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-156\" class=\"wp-caption-text\">Simplified model of identifying percentage of Vancouver at risk from a tsunami<\/figcaption><\/figure>\n<p>Within this danger zone, there are 10 educational and 5 health care facilities at risk:<\/p>\n<p><span style=\"text-decoration: underline;\">Health Care Facilities at Risk:<\/span><\/p>\n<ul>\n<li>False Creek Residence<\/li>\n<li>Villa Cathay Care Home<\/li>\n<li>Coast West Community Home<\/li>\n<li>Broadway Pentecostal Lodge<\/li>\n<li>Yaletown House Society<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline;\">Educational Facilities at Risk:<\/span><\/p>\n<ul>\n<li>Emily Carr Institute of Art and Design (ECIAD)<\/li>\n<li>Institute of Indigenous Government (IIG)<\/li>\n<li>Henry Hudson Elementary<\/li>\n<li>False Creek Elementary<\/li>\n<li>St Francis Xavier<\/li>\n<li>Vancouver Montessori School<\/li>\n<li>St John\u2019s International<\/li>\n<li>Heritage 3R\u2019s School<\/li>\n<li>St Anthony of Padua<\/li>\n<li>Ecole Rose Des Vents<\/li>\n<\/ul>\n<p>These facilities were identified by adding all of the health care and educational facilities to the map of Vancouver and then selecting only those facilities falling within the previously defined tsunami danger zone before generating a table to read the names of endangered facilities from.<\/p>\n<p>Select all of the facilities in the danger zone and create a new layer. A layer is a slice of the information from the map, selected based on a common theme \u2013 e.g. a layer showing schools. Each of the new layers displays only facilities within the danger zone.<\/p>\n<ul>\n<li>Clip the education and health facility layers to the danger zone area using the clip tool from within ArcToolBox<\/li>\n<li>Two layers are produced, one of the endangered health facilities and the other of the endangered educational facilities<\/li>\n<\/ul>\n<figure id=\"attachment_157\" aria-describedby=\"caption-attachment-157\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-157 size-medium\" src=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Health-and-Edu-Danger-300x225.jpg\" alt=\"health-and-edu-danger\" width=\"300\" height=\"225\" srcset=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Health-and-Edu-Danger-300x225.jpg 300w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Health-and-Edu-Danger-768x576.jpg 768w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Health-and-Edu-Danger-1024x768.jpg 1024w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Health-and-Edu-Danger.jpg 1152w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-157\" class=\"wp-caption-text\">Map of Endangered Health and Education Facilities in Vancouver<\/figcaption><\/figure>\n<p>Open the attribute tables of these endangered layer and the names of the facilities can be read off in turn<\/p>\n<figure id=\"attachment_158\" aria-describedby=\"caption-attachment-158\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-158 size-medium\" src=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Attribute-table-of-endangered.1-300x191.jpg\" alt=\"attribute-table-of-endangered-1\" width=\"300\" height=\"191\" srcset=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Attribute-table-of-endangered.1-300x191.jpg 300w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Attribute-table-of-endangered.1.jpg 658w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-158\" class=\"wp-caption-text\">Attribute Table of Facility Names<\/figcaption><\/figure>\n<p>Simplified visual depiction of process below:<\/p>\n<figure id=\"attachment_159\" aria-describedby=\"caption-attachment-159\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-159\" src=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Simplifed-of-Danger-identification.1-300x94.png\" alt=\"Simplified depiction of health and education facility identification\" width=\"300\" height=\"94\" srcset=\"https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Simplifed-of-Danger-identification.1-300x94.png 300w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Simplifed-of-Danger-identification.1-768x241.png 768w, https:\/\/blogs.ubc.ca\/fionajones\/files\/2016\/11\/Simplifed-of-Danger-identification.1.png 954w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-159\" class=\"wp-caption-text\">Simplified depiction of health and education facility identification<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Percentage in Danger: From this map, it is possible to see that 15.5% of Vancouver is at risk of a Tsunami. This figure comes from comparing the area in danger of a tsunami with the total area of the city. The places in danger from a tsunami are defined as areas that are 15 meters &hellip; <a href=\"https:\/\/blogs.ubc.ca\/fionajones\/2016\/11\/21\/tsunami-danger-in-vancouver\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Lab 3: Tsunami Danger in Vancouver<\/span><\/a><\/p>\n","protected":false},"author":34860,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[71,1469513],"tags":[],"class_list":["post-154","post","type-post","status-publish","format-standard","hentry","category-courses","category-geob270"],"_links":{"self":[{"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/posts\/154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/users\/34860"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/comments?post=154"}],"version-history":[{"count":2,"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/posts\/154\/revisions"}],"predecessor-version":[{"id":186,"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/posts\/154\/revisions\/186"}],"wp:attachment":[{"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/media?parent=154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/categories?post=154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.ubc.ca\/fionajones\/wp-json\/wp\/v2\/tags?post=154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}