{"id":2158,"date":"2025-10-25T18:47:52","date_gmt":"2025-10-25T18:47:52","guid":{"rendered":"https:\/\/petermbach.com\/?page_id=2158"},"modified":"2025-11-10T20:11:09","modified_gmt":"2025-11-10T20:11:09","slug":"053-alma-schellart","status":"publish","type":"page","link":"https:\/\/petermbach.com\/index.php\/podcast\/053-alma-schellart\/","title":{"rendered":"TGC Podcast Episode 053 &#8211; Alma Schellart"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;flex-basis:280px\">\n<figure class=\"wp-block-image size-large is-style-default\"><a href=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-attachment-id=\"1870\" data-permalink=\"https:\/\/petermbach.com\/cover-art-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?fit=2560%2C2560&amp;ssl=1\" data-orig-size=\"2560,2560\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Cover-Art\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?fit=1024%2C1024&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art.jpg?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-1870\" srcset=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=2048%2C2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=465%2C465&amp;ssl=1 465w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-scaled.jpg?resize=500%2C500&amp;ssl=1 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Grand Challengers Podcast Episode #53<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">Making data open, making models talk and embracing uncertainty to solve 100-year old urban drainage challenges<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Guest: Alma Schellart<\/h2>\n\n\n\n<p>November 11th, 2025<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Episode Teaser<\/h3>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1440\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/QI9oaxDFZ4Q?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-AU&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Introduction<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center has-medium-font-size\"><strong>\u201c&#8230;People need to understand that this problem has been in the making for like a hundred years&#8230;\u201d<\/strong><\/p>\n<\/blockquote>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\">\n<p>Alma Schellart is Senior Lecturer in Water Engineering at the University of Scheffield, England. Alma aims to understand the big picture around water flows and quality throughout the whole city, using data and modelling to advise the water industry on better management of sewer infrastructure. She also adopts a conscious approach to considering how uncertainty is introduced at various points in this process and supports transparency through open data and effective communication with stakeholders and the general public in order to avoid unintended consequences and to design more robust and future-proof urban drainage infrastructure.<\/p>\n\n\n\n<p>On today\u2019s show, Alma and I trace her steps from growing up in the Netherlands to how she found her way to Sheffield. We discuss the use of data, models and different types of uncertainties to guide infrastructure decisisions, the values and pitfalls of making data public and an insight into solving the age-old urban drainage challenge of water quantity and quality through an integrated lens.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"1440\" data-attachment-id=\"2181\" data-permalink=\"https:\/\/petermbach.com\/index.php\/podcast\/053-alma-schellart\/tgcpodcast_e052_alma_schellart_profilepic\/\" data-orig-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?fit=2560%2C2560&amp;ssl=1\" data-orig-size=\"2560,2560\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Canon EOS 90D&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1697535244&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;800&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"tgcpodcast_e052_alma_schellart_profilepic\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?fit=1024%2C1024&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=1440%2C1440&#038;ssl=1\" alt=\"\" class=\"wp-image-2181\" srcset=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?w=2560&amp;ssl=1 2560w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=2048%2C2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=465%2C465&amp;ssl=1 465w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/11\/tgcpodcast_e052_alma_schellart_profilepic-scaled.jpg?resize=500%2C500&amp;ssl=1 500w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Biography<\/h3>\n\n\n\n<p>Dr Alma Schellart is a Senior Lecturer in Water Engineering in the School of Mechanical, Aerospace &amp; Civil Engineering at University of Sheffield, where she contributes to the Water Engineering Group\u2019s research on urban drainage, sewer systems and sustainable infrastructure. She earned her MSc in Civil Engineering (specialising in Water Management) at Delft University of Technology in the Netherlands, then completed a PhD at Sheffield investigating uncertainty in sewer sediment transport. Between 2011 and 2013 she taught at University of Bradford, where she expanded her research into urban rainfall and the energy-balance of urban water systems, before returning to Sheffield in 2013.<\/p>\n\n\n\n<p>Alma&#8217;s work is grounded in combining fieldwork, laboratory studies and numerical modelling to address pressing challenges in urban water infrastructure under climate change and growing urban populations. Her research investigates both water quantity and quality in existing sewer systems, emphasising the uncertainty arising in modelling urban catchments and wastewater flows. For instance, she has led a large European project on quantifying uncertainty in integrated catchment studies and contributed to studies on sewer-heat recovery and combined sewer overflow management at regional scale. She continues to publish widely in the field of urban water engineering, covering topics from radar rainfall uncertainty to sediment transport in sewers to energy recovery opportunities, and plays a key mentoring role for upcoming engineers and researchers in her discipline.<\/p>\n\n\n\n<div id='buzzsprout-small-player-limit-5-artist-alma-schellart'><\/div><script type='text\/javascript' charset='utf-8' src='https:\/\/www.buzzsprout.com\/2083595.js?artist=Alma+Schellart&#038;container_id=buzzsprout-small-player-limit-5-artist-alma-schellart&#038;limit=5&#038;player=small'><\/script>\n\n\n\n<h3 class=\"wp-block-heading\">Resources Related to the Episode (being updated&#8230;check back later for more)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Some of Alma\u2019s recommendations for <strong>knitting:<\/strong>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.garnstudio.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Garnstudio<\/strong><\/a>: it has around 189,388 free knitting &amp; crochet patterns and 1,757 tutorial videos.<\/li>\n\n\n\n<li><a href=\"https:\/\/arnecarlos.com\/home\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Arne &amp; Carlos<\/strong><\/a><\/li>\n\n\n\n<li>An interesting <a href=\"https:\/\/www.bbc.co.uk\/news\/articles\/c1k0l0ddwx4o\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>article on the BBC<\/strong><\/a><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>The River Trust <a href=\"https:\/\/theriverstrust.org\/sewage-map\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Sewage Map<\/strong><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.data.gov.uk\/dataset\/19f6064d-7356-466f-844e-d20ea10ae9fd\/event-duration-monitoring-storm-overflows-annual-returns\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Open CSO data<\/strong><\/a> for England &amp; Wales\n<ul class=\"wp-block-list\">\n<li>Alma\u2019s Paper on the role of open data for CSOs: <strong>Schellart, A.<\/strong>, Sharp, L., Bertrand-Krajewski, J.L., Rieckermann, J., Anta, J., Blumensaat, F., Clemens-Meyer, F., Dittmer, U., Douterelo, I., Gruber, G. and Jensen, H., 2025. The role of open data in regulating combined sewer overflows.\u00a0<em>Water Science &amp; Technology<\/em>,\u00a0<em>92<\/em>(3), pp.409-425. [<a href=\"https:\/\/doi.org\/10.2166\/wst.2025.105\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Link<\/strong><\/a>]<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>The <strong>TORCH Project<\/strong>:\n<ul class=\"wp-block-list\">\n<li>A feature of the TORCH on the <a href=\"https:\/\/podfollow.com\/planet-possible\/episode\/73dea9ffc9e80bd024e079fd20cc66c2670bb3d9\/view\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Planet Possible Podcast<\/strong><\/a><\/li>\n\n\n\n<li>TORCH mentioned on the OFWAT Website &#8211; <a href=\"https:\/\/waterinnovation.challenges.org\/winners\/torch\/\" target=\"_blank\" rel=\"noreferrer noopener\">TORCH &#8211; Ofwat Innovation Fund<\/a><\/li>\n\n\n\n<li>Stay tuned for the official website of the project launching soon.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Episode Chapters<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>(Chapters are embedded in the episode for quick access, click this to expand and view all chapters and time stamps)<\/summary>\n<ul class=\"wp-block-list\">\n<li>0:00 Intro<\/li>\n\n\n\n<li>1.59 Guest Intro and Alma&#8217;s Knitting Hobby<\/li>\n\n\n\n<li>8:21 From an obsession with fish to urban drainage<\/li>\n\n\n\n<li>14:32 Getting to Sheffield for the PhD<\/li>\n\n\n\n<li>20:40 Setting the scene &#8211; models and urban sewers<\/li>\n\n\n\n<li>24:59 A 101 on Uncertainties<\/li>\n\n\n\n<li>30:20 Considering uncertainties in design<\/li>\n\n\n\n<li>35:03 Managing CSOs &#8211; the common urban drainage dilemma<\/li>\n\n\n\n<li>42:09 Modelling vs. Monitoring &#8211; what do we and the media trust?<\/li>\n\n\n\n<li>56:45 Building the trust and the CoUDLabs Project<\/li>\n\n\n\n<li>1:01:15 Reaching the newer generations and broader communities<\/li>\n\n\n\n<li>1:02:34 Alma&#8217;s next big project in sewers &#8211; heat recovery<\/li>\n\n\n\n<li>1:09:19 Q&amp;A Start<\/li>\n\n\n\n<li>1:09:37 What does innovation mean to you?<\/li>\n\n\n\n<li>1:11:05 Key Moment, Event, Person<\/li>\n\n\n\n<li>1:15:01 Time Management<\/li>\n\n\n\n<li>1:18:32 Favourite childhood memory<\/li>\n\n\n\n<li>1:21:40 Greatest challenge to date<\/li>\n\n\n\n<li>1:26:20 Advice for young professionals<\/li>\n\n\n\n<li>1:27:30 What would you most like to be remembered for?<\/li>\n\n\n\n<li>1:32:02 Where can people find you?<\/li>\n\n\n\n<li>1:32:58 Final Message<\/li>\n\n\n\n<li>1:33:17 Outro<\/li>\n<\/ul>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Connect with Alma Schellart<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.linkedin.com\/in\/alma-schellart-48000a43\/\">LinkedIn<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/sheffield.ac.uk\/mac\/people\/civil-academic-staff\/alma-schellart\">University of Sheffield Profile Page<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Related Episodes<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" data-attachment-id=\"710\" data-permalink=\"https:\/\/petermbach.com\/index.php\/podcast\/005-peter-vanrolleghem\/peterv12\/\" data-orig-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/02\/peterv12.jpg?fit=438%2C438&amp;ssl=1\" data-orig-size=\"438,438\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"peterv12\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/02\/peterv12.jpg?fit=438%2C438&amp;ssl=1\" class=\"wp-image-710\" style=\"width: 100px;\" src=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/02\/peterv12.jpg?resize=100%2C100&#038;ssl=1\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/02\/peterv12.jpg?w=438&amp;ssl=1 438w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/02\/peterv12.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/02\/peterv12.jpg?resize=150%2C150&amp;ssl=1 150w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/td><td><strong><a href=\"https:\/\/petermbach.com\/index.php\/podcast\/005-peter-vanrolleghem\/\" data-type=\"page\" data-id=\"688\">Episode #05 &#8211; Peter A. Vanrolleghem<\/a><\/strong><br><strong>Like wastewater for chocolate &#8211; control, serendipity and digital twins<\/strong><br>(<em>Related Topics: integrated modelling, data)<\/em><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" data-attachment-id=\"961\" data-permalink=\"https:\/\/petermbach.com\/index.php\/podcast\/015-juan-pablo-rodriguez-sanchez\/juanpablorodriguezsanchez_profilpic\/\" data-orig-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?fit=2560%2C2560&amp;ssl=1\" data-orig-size=\"2560,2560\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;9&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;NIKON D800&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1655306163&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;65&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.008&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"JuanPabloRodriguezSanchez_ProfilPic\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?fit=1024%2C1024&amp;ssl=1\" class=\"wp-image-961\" style=\"width: 100px;\" src=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=100%2C100&#038;ssl=1\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?w=2560&amp;ssl=1 2560w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=2048%2C2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=465%2C465&amp;ssl=1 465w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2023\/07\/JuanPabloRodriguezSanchez_ProfilPic-scaled.jpg?resize=500%2C500&amp;ssl=1 500w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/td><td><strong><a href=\"https:\/\/petermbach.com\/index.php\/podcast\/015-juan-pablo-rodriguez-sanchez\/\" data-type=\"page\" data-id=\"960\">Episode #15 &#8211; Juan Pablo Rodr\u00edguez S\u00e1nchez<\/a><\/strong><br><strong>&#8220;Restrictions and constraints breed innovation&#8221; &#8211; sewers and nature-based solutions in Colombia<\/strong><br><em>(Related Topics: sewer systems, urban drainage, infrastructure, modelling)<\/em><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" data-attachment-id=\"1683\" data-permalink=\"https:\/\/petermbach.com\/index.php\/podcast\/038-patricia-cuervo-uria\/tgcpodcast_e037_patricia_cuervo_profilepic\/\" data-orig-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?fit=2560%2C2560&amp;ssl=1\" data-orig-size=\"2560,2560\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;SM-A715F&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1728638432&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3.75&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"tgcpodcast_e037_patricia_cuervo_profilepic\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?fit=1024%2C1024&amp;ssl=1\" class=\"wp-image-1683\" style=\"width: 100px;\" src=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=100%2C100&#038;ssl=1\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?w=2560&amp;ssl=1 2560w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=2048%2C2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=465%2C465&amp;ssl=1 465w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/01\/tgcpodcast_e037_patricia_cuervo_profilepic-scaled.jpg?resize=500%2C500&amp;ssl=1 500w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/td><td><strong><a href=\"https:\/\/petermbach.com\/index.php\/podcast\/038-patricia-cuervo-uria\/\" data-type=\"page\" data-id=\"1656\">Episode #38 &#8211; Patricia Cuervo Ur\u00eda<\/a><\/strong><br><strong>The human side of planning and flood risk in London &#8211; the challenge of embedding <\/strong><br><strong>history into policy<\/strong><br><em>(Related Topics: infrastructure planning, human dimensions, mental health)<\/em><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" data-attachment-id=\"1932\" data-permalink=\"https:\/\/petermbach.com\/index.php\/podcast\/045-lena-mutzner\/lena-mutzner-_profilepic\/\" data-orig-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?fit=2560%2C2560&amp;ssl=1\" data-orig-size=\"2560,2560\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;max.maurer@eawag.ch&quot;,&quot;camera&quot;:&quot;Canon EOS R6m2&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1701339169&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;1600&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Lena Mutzner _Profilepic\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?fit=1024%2C1024&amp;ssl=1\" class=\"wp-image-1932\" style=\"width: 100px;\" src=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=100%2C100&#038;ssl=1\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?w=2560&amp;ssl=1 2560w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=2048%2C2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=465%2C465&amp;ssl=1 465w, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2025\/06\/Lena-Mutzner-_Profilepic-scaled.jpg?resize=500%2C500&amp;ssl=1 500w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/td><td><strong><a href=\"https:\/\/petermbach.com\/index.php\/podcast\/045-lena-mutzner\/\" data-type=\"page\" data-id=\"1792\">Episode #45 &#8211; Lena Mutzner<\/a><\/strong><br><strong>\u201cA list that keeps getting longer\u201d &#8211; understanding pollutants of emerging concern for <\/strong><br><strong>healthier aquatic environments<\/strong><br><em>(Related Topics: water infrastructure management, water quality, sewers)<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Credits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hosted by Peter Marcus Bach, follow me on: <strong>X:<\/strong> @petermbach, <strong>Instagram:<\/strong> @petermbach87 or subscribe to my channel on <strong>YouTube: <\/strong><a href=\"http:\/\/www.youtube.com\/c\/PeterMarcusBach\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.youtube.com\/c\/PeterMarcusBach\/<\/a><\/li>\n\n\n\n<li><strong>Intro\/Outro Song:<\/strong> \u2018Starsky\u2019 by Alex Keren (Check out more of his tunes over on Spotify:&nbsp;<a href=\"https:\/\/soundcloud.com\/balloon-planet\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/open.spotify.com\/artist\/5vZ3lENfDLjkln8scBJ8mW<\/a>)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The Grand Challengers Podcast Episode #53 Making data open, making models talk and embracing uncertainty to solve 100-year old urban drainage challenges Guest: Alma Schellart November 11th, 2025 Episode Teaser Introduction \u201c&#8230;People need to understand that this problem has been in the making for like a hundred years&#8230;\u201d Alma Schellart<span class=\"more-link\"><a href=\"https:\/\/petermbach.com\/index.php\/podcast\/053-alma-schellart\/\">Continue Reading<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":538,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["entry","author-admin","post-2158","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TGC Podcast Episode 053 - Alma Schellart - Peter M Bach<\/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:\/\/petermbach.com\/index.php\/podcast\/053-alma-schellart\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TGC Podcast Episode 053 - Alma Schellart - Peter M Bach\" \/>\n<meta property=\"og:description\" content=\"The Grand Challengers Podcast Episode #53 Making data open, making models talk and embracing uncertainty to solve 100-year old urban drainage challenges Guest: Alma Schellart November 11th, 2025 Episode Teaser Introduction \u201c&#8230;People need to understand that this problem has been in the making for like a hundred years&#8230;\u201d Alma SchellartContinue Reading\" \/>\n<meta property=\"og:url\" content=\"https:\/\/petermbach.com\/index.php\/podcast\/053-alma-schellart\/\" \/>\n<meta property=\"og:site_name\" content=\"Peter M Bach\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-10T20:11:09+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/petermbach.com\/wp-content\/uploads\/2025\/05\/Cover-Art-1024x1024.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@petermbach\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/petermbach.com\\\/index.php\\\/podcast\\\/053-alma-schellart\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/petermbach.com\\\/index.php\\\/podcast\\\/053-alma-schellart\\\/\"},\"author\":{\"name\":\"Peter M Bach\",\"@id\":\"https:\\\/\\\/petermbach.com\\\/#\\\/schema\\\/person\\\/e9671291722e75130bbe3eea1631f16b\"},\"headline\":\"TGC Podcast Episode 053 &#8211; 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It is time for my guests to turn the tables on me! ...\u201d I\u2019m your host\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2024\/12\/2024_peterbach_square-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2024\/12\/2024_peterbach_square-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2024\/12\/2024_peterbach_square-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2024\/12\/2024_peterbach_square-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2024\/12\/2024_peterbach_square-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/petermbach.com\/wp-content\/uploads\/2024\/12\/2024_peterbach_square-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":2424,"url":"https:\/\/petermbach.com\/index.php\/podcast\/064-alexander-josephson-d\/","url_meta":{"origin":2158,"position":1},"title":"TGC Podcast Episode 064 &#8211; Alexander Josephson","author":"Peter M Bach","date":"3 May 2026","format":false,"excerpt":"The Grand Challengers Podcast Episode #64 Episode Title Guest: Alexander Josephson April 21st, 2026 Overview ... Episode Teaser https:\/\/youtu.be\/dXqdkGL5zto teaser captions... Biography \u201c...guest quote...\u201d ... ... Quick Summary & Highlights ... Resources Related to the Episode Key Concepts & Foundations ... Standards & Certifications ... Organisations & Companies ... 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Episode Teaser https:\/\/youtu.be\/dXqdkGL5zto teaser captions... Biography \u201c...guest quote...\u201d ... ... Quick Summary & Highlights ... Resources Related to the Episode Key Concepts & Foundations ... Standards & Certifications ... Organisations & Companies ... 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