{"id":3394,"date":"2020-06-02T11:03:01","date_gmt":"2020-06-02T09:03:01","guid":{"rendered":"https:\/\/www.ecoshape.org\/en\/projects\/shoreline-protection-by-floating-marsh-houtribsluices-nl\/"},"modified":"2020-10-20T10:26:16","modified_gmt":"2020-10-20T08:26:16","slug":"shoreline-protection-by-floating-marsh-houtribsluices-nl","status":"publish","type":"project","link":"https:\/\/www.ecoshape.org\/en\/cases\/shoreline-protection-by-floating-marsh-houtribsluices-nl\/","title":{"rendered":"Floating marsh &#8211; Markermeer"},"content":{"rendered":"\n<p><strong>Location<\/strong>: <span>Houtribsluizen Markermeer side, Netherlands<\/span><br><strong>Date<\/strong>: 2009 &#8211; 2010<br><strong>Involved parties<\/strong>: <span>Deltares, Waterdienst, van Schaik B.V.<\/span><\/p>\n\n\n\n<p><strong>Technology Readiness Level:&nbsp; <\/strong>5 \u2013 technology validated in relevant environment<br><strong>Environment:<\/strong> Lakes, Rivers &amp; Estuaries, Cities<br><strong>Keywords<\/strong>: <span>Wave attenuation, sediment entrapment, habitat restoration, water purification, floating wetlands\/marshes<\/span><\/p>\n\n\n<div id=\"before-after-block_5f69d1b5db191\" class=\"block-before-after-inner\">\n\n    \n    <div class=\"block-before-after-column\">\n        <div class=\"block-before-after-title\">Building with Nature design<\/div>\n\n                    <div class=\"block-before-after-figure\">\n                <img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Rietmoeras2-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Rietmoeras2-300x225.jpg 300w, https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Rietmoeras2-1024x768.jpg 1024w, https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Rietmoeras2-768x576.jpg 768w, https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Rietmoeras2-1536x1152.jpg 1536w, https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Rietmoeras2-1200x900.jpg 1200w, https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Rietmoeras2.jpg 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>            <\/div>\n        \n        <div class=\"block-before-after-body\">\n            <p>The innovative application of braided brushwood mattresses aims to create floating foundations for emergence of reed vegetation. The floating mattresses locally reduce currents and waves thereby decreasing hydraulic loads on the dikes and creating valuable habitats above and below water. More low-energy conditions stimulate settling of suspended solids and promote the stabilization of silty soils.<\/p>\n        <\/div>\n    <\/div>\n    <div class=\"block-before-after-column\">\n        <div class=\"block-before-after-title\">Traditional design<\/div>\n                    <div class=\"block-before-after-figure\">\n                <img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"187\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Traditional-protective-measures.jpg\" class=\"attachment-medium size-medium\" alt=\"\" \/>            <\/div>\n                <div class=\"block-before-after-body\">\n            <p>Traditionally dikes in Dutch freshwater lakes directly border the water. However, historically this zone was used to be a gradual transition between land and water inhabiting freshwater marshes. To reduce wave impact on dikes, rows of poles can be placed in front of the dike, or dikes can be designed to withstand wave impacts themselves.<\/p>\n        <\/div>\n    <\/div>\n\n<\/div>\n\n<style type=\"text\/css\">\n    .block-before-after-inner {\n        display: grid;\n        grid-template-columns: repeat(1, 1fr);\n        column-gap: 1px;\n        row-gap: 1em;\n    }\n\n    @media (min-width: 992px) {\n        .block-before-after-inner {\n            grid-template-columns: repeat(2, 1fr);\n        }\n    }\n\n    .block-before-after-title {\n        background-color: #7FAFC8;\n        color: #fff;\n        font-weight: bold;\n        margin-bottom: 1px;\n    }\n\n    .block-before-after-title,\n    .block-before-after-body {\n        padding: 10px 15px;\n    }\n\n    .block-before-after-figure {\n        height: 220px;\n    }\n\n    .block-before-after-column img {\n        height: 100%;\n        object-fit: cover;\n        width: 100%;\n    }\n\n    .block-before-after-body {\n        font-size: 16px;\n    }\n\n<\/style>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-abstract\">Abstract<\/h2>\n\n\n\n<p>Along the coast of large Dutch freshwater lakes, dikes often border the water directly, with relatively steep slopes. Shallow zones and the gradual slope from land to water are lacking. Consequently, species that inhabit these zones are decreasing. In addition, constant lake-water levels cause erosion of shores. To dampen waves and recreate gradual land-water transitions brushwood mattresses were constructed in front of the dike. These mattresses might facilitate development of floating reed marsh in the shallow zone in front of a dike. This marsh reduces wave impact on the dike, enhances sedimentation and creates a clear shallow water zone with (submerged) vegetation. Thereby, the initial substrate of the mattress could be suitable for establishment of filter feeders, such as zebra mussels (<em>Dreissena polymorpha<\/em>) and for other species.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Location: Houtribsluizen Markermeer side, NetherlandsDate: 2009 &#8211; 2010Involved parties: Deltares, Waterdienst, van Schaik B.V. Technology Readiness Level:&nbsp; Environment: Keywords: Wave attenuation, sediment entrapment, habitat restoration, water purification, floating wetlands\/marshes Abstract Along the coast of large Dutch freshwater lakes, dikes often border the water directly, with relatively steep slopes. Shallow zones and the gradual slope from [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2996,"parent":0,"menu_order":0,"template":"","landscape":[36,6,34],"technology-readiness_-level":[28],"class_list":["post-3394","project","type-project","status-publish","has-post-thumbnail","hentry","landscape-lakes","landscape-rivers-and-estuaries","landscape-cities","technology-readiness_-level-5-technology-validated-in-relevant-environment"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Floating marsh - Markermeer - EcoShape<\/title>\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.ecoshape.org\/en\/cases\/shoreline-protection-by-floating-marsh-houtribsluices-nl\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Floating marsh - Markermeer\" \/>\n<meta property=\"og:description\" content=\"Location: Houtribsluizen Markermeer side, NetherlandsDate: 2009 &#8211; 2010Involved parties: Deltares, Waterdienst, van Schaik B.V. Technology Readiness Level:&nbsp; Environment: Keywords: Wave attenuation, sediment entrapment, habitat restoration, water purification, floating wetlands\/marshes Abstract Along the coast of large Dutch freshwater lakes, dikes often border the water directly, with relatively steep slopes. 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