{"id":2561,"date":"2024-04-29T10:28:08","date_gmt":"2024-04-29T08:28:08","guid":{"rendered":"https:\/\/urbag.eu\/?p=2561"},"modified":"2024-04-29T10:28:08","modified_gmt":"2024-04-29T08:28:08","slug":"tesi-doctoral-multiscale-modelling-green-infrastructure-temperature","status":"publish","type":"post","link":"https:\/\/webs.uab.cat\/atmosphere\/2024\/04\/29\/tesi-doctoral-multiscale-modelling-green-infrastructure-temperature\/","title":{"rendered":"Presentaci\u00f3 de tesi Doctoral: Multiscale modelling to understand the influence of green infrastructure on temperature and atmospheric carbon capture"},"content":{"rendered":"

\u00c9s un gran plaer convidar-vos a la presentaci\u00f3 de Tesi Doctoral d\u2019en Ricard Segura<\/a><\/b> el proper 10 de Maig a les 11:00 a l\u2019ICTA-UAB<\/b> sala Z\/022- Z\/023. Tamb\u00e9 \u00e9s possible connectar-se online seguint aquest enlla\u00e7<\/strong>.<\/a><\/span><\/p>\n

\u00a0<\/span>ID de reuni\u00f3: 816 3371 9802<\/span><\/p>\n

Codi d’acc\u00e9s: 336096<\/span><\/p>\n

\u00a0<\/span><\/p>\n

El tribunal de la tesi est\u00e0 format per:<\/span><\/p>\n

\u00a0<\/span>Leonor Tarras\u00f3n<\/a>, Research Director for Environmental Solutions (NILU, Norway)<\/p>\n

Ana Isabel Miranda<\/a>, full professor at the Department of Environment and Planning (U of Aveiro, Portugal)<\/p>\n

David Pino,<\/a>\u00a0professor agregat del dept de Fisica (Institute of Space Studies of Catalonia, UPC)<\/p>\n

 <\/p>\n

T\u00edtol de la tesi: Multiscale modelling to understand the influence of green infrastructure on temperature and atmospheric carbon capture<\/p>\n

Supervisors: Dr. Gara Villalba<\/a> (UAB), Dr. Alba Badia<\/a> (UAB), Dr. Alberto Martilli<\/a> (CIEMAT)<\/p>\n

 <\/p>\n

Summary\/resum:\u00a0<\/strong><\/p>\n

English:<\/strong><\/p>\n

Green infrastructures refer to natural and semi-natural areas strategically designed and managed to enhance biodiversity and provide diverse ecosystem services. The implementation and expansion of green infrastructures stands as a nature-based solution for mitigating and adapting urban areas to climate change. This multifunctional approach contributes to the regulation of environmental impacts at various spatial scales, thereby promoting human well-being. In urban areas, green infrastructures, as street trees and urban parks, reduce urban temperatures and improve the human thermal comfort due to mechanisms of evapotranspiration and shading. At the regional scale, natural ecosystems contribute significantly to climate change mitigation by capturing and retaining atmospheric carbon dioxide, thus counteracting partially anthropogenic emissions of this greenhouse gas.<\/p>\n

Despite these benefits, the increasing frequency and severity of extreme climate events, such as heat waves and droughts amidst of changing climates, pose significant challenges to ecosystem functioning. These events can compromise the ability of green infrastructures to deliver essential ecosystem services at both urban and regional scales. The concurrent occurrence of heat waves and droughts profoundly impacts ecosystem-atmosphere carbon dioxide fluxes, potentially offsetting the capacity to neutralize anthropogenic carbon emissions. Additionally, droughts hamper leaf transpiration, diminishing the cooling capacity of urban green infrastructure.<\/p>\n

Moreover, the impacts of extreme climate events are highly dependent on the ecosystem type and vegetation species, producing different responses on natural vegetation and croplands. This is relevant as the implementation of peri-urban agriculture is gaining high attention, due to its multifunctional role in addressing food security, promoting circular economies, social cohesion, biodiversity preservation, and reduced environmental impacts within the food supply chain. Despite irrigated agriculture can provide with regional temperature reductions during the dry season potentially alleviating the effects of heat wave events on nearby urban areas, other trade-offs associated with the peri-urban agriculture must not be disregarded, as the high water requirements, the emissions of greenhouse gases from the use of mineral fertilizers, and the displacement of natural vegetation that provide crucial ecosystem service such as biodiversity conservation and carbon sequestration.<\/p>\n

This thesis seeks to understand the capacity of green infrastructure to provide local temperature regulation, reduce thermal stress, and capture atmospheric carbon dioxide, especially under the influence of heat waves and droughts. This study spans three spatial scales: street\/neighbourhood, city, and regional scales. The innovative aspect of this research lies in enhancing, optimizing, combining, and implementing diverse numerical models in three distinct case studies- the Eixample district of Barcelona, the city of Barcelona and its metropolitan region, and south-western Europe. This integrated approach ensures comprehensive analysis of the impacts of heat and drought events on the provisioning of regulation ecosystem services by green infrastructure.<\/p>\n

\n

Catal\u00e0:<\/strong><\/p>\n

Les infraestructures verdes s\u00f3n \u00e0rees naturals i seminaturals dissenyades i gestionades estrat\u00e8gicament per millorar la biodiversitat i proporcionar diversos serveis ecosist\u00e8mics. La implementaci\u00f3 i l’expansi\u00f3 d’infraestructures verdes es presenta com una soluci\u00f3 basada en la natura per mitigar i adaptar les \u00e0rees urbanes al canvi clim\u00e0tic. Aquest enfocament multifuncional contribueix a regular els impactes ambientals a diferents escales espacials, promocionant aix\u00ed el benestar hum\u00e0. A les \u00e0rees urbanes, les infraestructures verdes, com els arbres dels carrers i els parcs urbans, redueixen les temperatures urbanes i milloren el confort t\u00e8rmic hum\u00e0 a trav\u00e9s de mecanismes d’evapotranspiraci\u00f3 i ombratge. A nivell regional, els ecosistemes naturals contribueixen significativament a la mitigaci\u00f3 del canvi clim\u00e0tic capturant i retenint di\u00f2xid de carboni atmosf\u00e8ric, compensant aix\u00ed parcialment les emissions antropog\u00e8niques d’aquest gas d’efecte hivernacle.<\/p>\n

Malgrat aquests avantatges, la creixent freq\u00fc\u00e8ncia i severitat dels esdeveniments clim\u00e0tics extrems, com ara onades de calor i sequeres enmig del canvi clim\u00e0tic, suposen desafiaments significatius per al funcionament dels ecosistemes. Aquests esdeveniments poden comprometre la capacitat de les infraestructures verdes per proporcionar serveis ecosist\u00e8mics essencials tant a escala urbana com regional. La concurrencia d’onades de calor i sequeres impacta profundament en els fluxos de di\u00f2xid de carboni entre l’ecosistema i l’atmosfera, potencialment anul\u00b7lant la capacitat de neutralitzar les emissions de carboni antropog\u00e8niques. A m\u00e9s, les sequeres afecten la transpiraci\u00f3 de les fulles, disminuint la capacitat de refredament de les infraestructures verdes urbanes.<\/p>\n

A m\u00e9s, els impactes dels esdeveniments clim\u00e0tics extrems depenen en gran mesura del tipus d’ecosistema i de les esp\u00e8cies vegetals, produint respostes diferents en la vegetaci\u00f3 natural i els conreus. Aix\u00f2 \u00e9s rellevant ja que la implementaci\u00f3 de l’agricultura periurbana est\u00e0 guanyant molta atenci\u00f3, degut al seu paper multifuncional en l’abordatge de la seguretat aliment\u00e0ria, la promoci\u00f3 d’economies circulars, la cohesi\u00f3 social, la preservaci\u00f3 de la biodiversitat i la reducci\u00f3 dels impactes ambientals dins de la cadena d’aprovisionament alimentari. Malgrat que l’agricultura irrigada pot proporcionar reduccions de temperatura regionals durant la temporada seca, alleujant potencialment els efectes dels esdeveniments de calor a les \u00e0rees urbanes properes, d’altres compensacions associades a l’agricultura periurbana no s’han de passar per alt, com ara els alts requeriments d’aigua, les emissions de gasos d’efecte hivernacle derivades de l’\u00fas de fertilitzants minerals i el despla\u00e7ament de la vegetaci\u00f3 natural que proporciona serveis ecosist\u00e8mics crucials com la conservaci\u00f3 de la biodiversitat i la captura de carboni.<\/p>\n

Aquesta tesi busca comprendre la capacitat de les infraestructures verdes per regular la temperatura local, reduir l’estr\u00e8s t\u00e8rmic i capturar el di\u00f2xid de carboni atmosf\u00e8ric, especialment sota la influ\u00e8ncia d’onades de calor i sequeres. Aquest estudi abasta tres escales espacials: carrer\/ve\u00efnat, ciutat i escala regional. L’aspecte innovador d’aquesta recerca radica en millorar, optimitzar, combinar i implementar diversos models num\u00e8rics en tres estudis de cas diferents: el districte de l’Eixample de Barcelona, la ciutat de Barcelona i la seva regi\u00f3 metropolitana, i el sud-oest d’Europa. Aquest enfocament integrat assegura un an\u00e0lisi exhaustiu dels impactes dels esdeveniments de calor i sequera en la provisi\u00f3 de serveis ecosist\u00e8mics de regulaci\u00f3 per part de les infraestructures verdes.<\/p>\n

 <\/p>\n

\"\"<\/a><\/p>\n

Feu click a la imatge per veure-la m\u00e9s gran.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u00c9s un gran plaer convidar-vos a la presentaci\u00f3 de Tesi Doctoral d\u2019en Ricard Segura el proper 10 de Maig a les 11:00 a l\u2019ICTA-UAB sala Z\/022- Z\/023. Tamb\u00e9 \u00e9s possible connectar-se online mitjan\u00e7ant l’enlla\u00e7 que proporcionem. Supervisors: Dr. Gara Villalba (UAB), Dr. Alba Badia (UAB), Dr. Alberto Martilli (CIEMAT)<\/p>\n","protected":false},"author":3153,"featured_media":2562,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[30,17,308,309,77,217,264,310,311,168],"class_list":["post-2561","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-agricultura","tag-canvi-climatic","tag-confort-termic","tag-defensa-de-tesi","tag-icta","tag-infraestructures-verdes","tag-nature-based-solutions","tag-phd-defense","tag-tesi","tag-uab"],"_links":{"self":[{"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/posts\/2561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/users\/3153"}],"replies":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/comments?post=2561"}],"version-history":[{"count":0,"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/posts\/2561\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/media\/2562"}],"wp:attachment":[{"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/media?parent=2561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/categories?post=2561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webs.uab.cat\/atmosphere\/wp-json\/wp\/v2\/tags?post=2561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}