{"id":2,"date":"2022-07-21T17:00:50","date_gmt":"2022-07-21T17:00:50","guid":{"rendered":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/?page_id=2"},"modified":"2022-08-10T19:19:38","modified_gmt":"2022-08-11T02:19:38","slug":"why_green_roofs","status":"publish","type":"page","link":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/why_green_roofs\/","title":{"rendered":"Why Green Roofs?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">What is Urban Stormwater Runoff?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rapid urbanization has resulted in a surge in the area under hard,&nbsp;&nbsp;impervious surfaces, which have largely replaced original natural landscape features in urban and peri-urban centres. The increased hardscapes, such as roofs, roads, and parking lots have reduced the rainfall infiltration, increased the peak volume, and increased the concentration of pollutants carried in the runoff. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The interactive feature below allows you to understand more about the nutrient pathway of the urban stormwater runoff. <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1022\" height=\"216\" src=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.25.29-PM.png\" alt=\"\" class=\"wp-image-212\" srcset=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.25.29-PM.png 1022w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.25.29-PM-300x63.png 300w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.25.29-PM-768x162.png 768w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.25.29-PM-500x106.png 500w\" sizes=\"auto, (max-width: 1022px) 100vw, 1022px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/h5p.open.ubc.ca\/wp-admin\/admin-ajax.php?action=h5p_embed&amp;id=1085\" width=\"747\" height=\"524\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" title=\"Conceptual Overview of pathways and sources of nutrients in an urban environment\"><\/iframe><script src=\"https:\/\/h5p.open.ubc.ca\/wp-content\/plugins\/h5p\/h5p-php-library\/js\/h5p-resizer.js\" charset=\"UTF-8\"><\/script>\n\n\n\n<h2 class=\"wp-block-heading\">Conventional stormwater system<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Conventional pipe-based stormwater systems alone are now thought to be&nbsp;insufficient, as they primarily focus on the rapid removal of all stormwater runoff via channels and pipes into the nearest receiving water body, ignoring the important processes that the soils and vegetation of a watershed provide for maintaining sufficient water storage, stream flows, groundwater recharge, and water quality&nbsp;(Armitage et al., 2013).&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Green Infrastructure\/Low Impact Development<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Green infrastructure elements can be integrated into a community at different scales, which are neighborhood scale, property scale, and watershed scale. At property and neighborhood scales, examples include rain gardens, bioswales, permeable pavement, and green roofs. At watershed scales, examples include constructed wetland and riparian buffer zone.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.49.37-PM.png\" alt=\"\" class=\"wp-image-216\" width=\"327\" height=\"85\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Innovative Stormwater Management at the Neighbourhood Scale\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/emQ8p6LGByU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1002\" height=\"738\" src=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.08.24-AM.png\" alt=\"\" class=\"wp-image-91\" srcset=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.08.24-AM.png 1002w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.08.24-AM-300x221.png 300w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.08.24-AM-768x566.png 768w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.08.24-AM-407x300.png 407w\" sizes=\"auto, (max-width: 1002px) 100vw, 1002px\" \/><figcaption>Figure 1: Traditional approach versus the sustainable approach of stormwater management at the neighbourhood scale (Sylvia Deng, 2022)<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.52.57-PM.png\" alt=\"\" class=\"wp-image-219\" width=\"327\" height=\"88\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Innovative Stormwater Management at the Property Scale\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/bVAOOjRoEB4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1008\" height=\"750\" src=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.12.26-AM.png\" alt=\"\" class=\"wp-image-93\" srcset=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.12.26-AM.png 1008w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.12.26-AM-300x223.png 300w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.12.26-AM-768x571.png 768w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.12.26-AM-403x300.png 403w\" sizes=\"auto, (max-width: 1008px) 100vw, 1008px\" \/><figcaption>Figure 2: Traditional approach versus the sustainable approach of stormwater management at the property scale (Liu. K, 2022)<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/08\/Screen-Shot-2022-08-01-at-9.54.38-PM.png\" alt=\"\" class=\"wp-image-220\" width=\"327\" height=\"88\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Innovative Stormwater Management at the Watershed Scale\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/qIsDAewDgT8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1006\" height=\"754\" src=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.10.29-AM.png\" alt=\"\" class=\"wp-image-92\" srcset=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.10.29-AM.png 1006w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.10.29-AM-300x225.png 300w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.10.29-AM-768x576.png 768w, https:\/\/blogs.ubc.ca\/greenroofcapetown\/files\/2022\/07\/Screen-Shot-2022-07-22-at-10.10.29-AM-400x300.png 400w\" sizes=\"auto, (max-width: 1006px) 100vw, 1006px\" \/><figcaption>Figure 3: Traditional approach versus the sustainable approach of stormwater management at the watershed scale (Liu. K, 2022)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Reference<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GSA. US. (2011).&nbsp;<em>The Benefits and Challenges of Green Roofs on Public and Commercial Buildings. A Report of the United States General Service Administration; 2011.<\/em>&nbsp;[A Report of the United States General Service Administration].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Armitage, N., Vice, M., Fisher-Jeffes, L., Winter, K., Spiegel, A., &amp; Dunstan, J. (2013).&nbsp;<em>Alternative Technology for Stormwater Management: South African Guidelines for Sustainable Drainage Systems \u2013 Report and South African Case Studies<\/em>&nbsp;(Report TT 1826\/1\/13). Water Research Commission of South Africa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fletcher, T. D., Shuster, W., Hunt, W. F., Ashley, R., Butler, D., Arthur, S., Trowsdale, S., Barraud, S., Semadeni-Davies, A., Bertrand-Krajewski, J.-L., Mikkelsen, P. S., Rivard, G., Uhl, M., Dagenais, D., &amp; Viklander, M. (2015). SUDS, LID, BMPs, WSUD and more \u2013 The evolution and application of terminology surrounding urban drainage.&nbsp;<em>Urban Water Journal<\/em>,&nbsp;<em>12<\/em>(7), 525\u2013542. https:\/\/doi.org\/10.1080\/1573062X.2014.916314<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Poleto, C., &amp; Tassi, R. (2012). Sustainable urban drainage systems.&nbsp;<em>IntechOpen<\/em>, 55\u201372.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">US EPA. (n.d.-a).&nbsp;<em>Urban Runoff: Low Impact Development<\/em>. Retrieved May 31, 2022, from https:\/\/www.epa.gov\/nps\/urban-runoff-low-impact-development<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is Urban Stormwater Runoff? Rapid urbanization has resulted in a surge in the area under hard,&nbsp;&nbsp;impervious surfaces, which have largely replaced original natural landscape features in urban and peri-urban centres. The increased hardscapes, such as roofs, roads, and parking &hellip; <a href=\"https:\/\/blogs.ubc.ca\/greenroofcapetown\/why_green_roofs\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":90842,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-2","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/pages\/2","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/users\/90842"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/comments?post=2"}],"version-history":[{"count":21,"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/pages\/2\/revisions"}],"predecessor-version":[{"id":264,"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/pages\/2\/revisions\/264"}],"wp:attachment":[{"href":"https:\/\/blogs.ubc.ca\/greenroofcapetown\/wp-json\/wp\/v2\/media?parent=2"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}