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Resilience Based Crisis Management in Public Educational Institutions at the Time of Global Pandemic of COVID-19 : The Implication for Ensuring SDG 4Aberle, Nathalie, Hoekstra, Mayke Martijntje January 2020 (has links)
Purpose: The pursuance of the sustainable development goals, introduced by the United Nations in2015, is of absolute necessity to build a sustainable future. Resilience-based crisis management helps tosustain an organisation and pursue its goal during crises. The aim of this research was to explore thestatus quo of resilience-based crisis management within public primary- and secondary schools in theNetherlands during school closures due to the COVID-19 pandemic. Furthermore, the aim was todiscover which measures were in place to safeguard the provision of SDG 4. The exploration took placeto observe the adaptation capabilities within the educational sector, which could safeguard the provisionof SDG 4. Methodology: The aim was pursued by a qualitative approach. 17 semi-structured interviews with 18people were conducted during the time of the immediate Coronavirus crisis. All interviewees heldpositions within the crisis management of primary- and secondary schools in the Netherlands. Theinterviews were then analysed by the two researchers using thematic content analysis. Results: The results suggest that:(a) Crisis management structures in the schools foster resilience, yet, leave room for improvement;(b) Crisis management processes to foster resilience are present in the schools, however, the extentvaries and especially the pre-crisis actions were limited;(c) The sustainable development goals, especially the content of SDG 4, are little known in the schools;(d) Actions and measures to provide equitable and qualitative education during the temporary schoolclosures are in place. Implications: This research adds to the young field of crisis management within schools during schoolclosures as well as the provision of SDG 4 during crises through resilience-based crisis management.Since this research is of exploratory nature, many future research opportunities derive from this research.Furthermore, it discovered the strengths and challenges of the Dutch primary and secondary educationsector and gives room for development through education on SDG 4 and resilience-based crisismanagement.
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Colombia’s Socio-Economic Stratification System : An urbanisation policy that causes intergroup conflict?Pålsson, Emil January 2020 (has links)
Rapid urbanisation is a global phenomenon on the rise. If managed poorly by the cities affected, it may lead to, e.g. segregation, air pollution and civil unrest. In order to avoid these problems and to achieve Sustainable Development Goals, 10, reduce inequality within and among countries and 11, make cities and human settlements inclusive, safe, resilient and sustainable, urbanisation policies must be functional, robust and socially sustainable so that the organic growth or poorly executed policies does not lead to problems like segregation, tensions between the inhabitants and civil unrest. This study takes a closer look at a one mega city’s attempt to cope with their rapid urbanisation, the Socio-Economic Stratification (SES) system of Bogotá, Colombia to see if it is a sustainable and efficient urbanisation policy. Semi-structured interviews were conducted in two areas of Bogotá where neighbourhoods are characterised by a significant difference in SES levels. Social Identity Theory and the Social Identity Model of System Attitudes were adopted to analyse the results, focusing on the formation of group identities in the neighbourhoods, intergroup conflictual behaviour, relationships and contact to see whether there exist peaceful coexistence or intergroup conflictual behaviours between the members of the SES systems different levels. The study shows a passively supported but not actively endorsed system, a tendency to place strong classification and stigmas on individuals based on their SES level, the lack of relationships and contact between neighbourhoods, and social identities with intergroup conflictual behaviour in three out of four areas investigated. A less conflictual behaviour is found in individuals that have lived in other SES levels or has had much contact with people from there. The results suggest that urbanisation policies, not only in Bogotá but worldwide, should be implemented where inhabitants are encouraged to interact and diminish segregation. As the segregation stemming from the SES system is causing tensions between the members of the different SES levels and may lead to civil unrest. This study contributes to the deficit in empirical data that exists on the SES system and will work to spark a debate on its implications and highlight people’s experiences from it. The results will also work as material for future research on the SES system and other urbanisation policies worldwide.
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Learning How to Learn : Challenges and Learning Experiences in a Network of Southern African - North European Municipal Partnerships / Learning How to Learn : Challenges and Learning Experiences in a Network of Southern African - North European Municipal PartnershipsNilsson, Ulrika, Rothoff, Julia January 2023 (has links)
In the light of the urgence of cooperation in the world, for handling global issues, this study offers a discussion on bilateral cooperation, more specifically on municipal partnerships. While previous research has examined some specific cases on possibilities and challengeswith this kind of cooperation, the view of proven efficiency in relation to the symbolic value has fallen short. The organization Swedish International Centre for Local Democracy offers a Network for Human Rights and aims to promote the exchange of knowledge and experiences between local authorities. This study, which is based on ten in-depth qualitative interviews, ought to explore what challenges and learnings can be found in ongoing municipal partnerships, in this Network. The study further aims to explore how those findings relate to a North and South perspective and the municipalities’ values and goals, by collecting experiences from South Africa, Zambia, Botswana and Sweden. Through a thematic analysis process of the empirical data and the use of a theoretical framework in the field of organizational learning, developed by Chris Argyris and Donald A. Schön, this study has been able to identify several findings. Challenges involve implementation, cultural obstacles and lack of resources, which prove to be divergent between North and South. Values and goals of the partnerships are hence hard to perform in practice. The outcomes circle practical activities, however, the most evident outcome is to learn from one another, which puts the learning experiences in focus of the study.
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OPERATIONALIZING SUSTAINABLE DEVELOPMENT GOAL 11 : Utilization of a neighborhood sustainability assessment tool for localizing the sustainable development goals in Swedish municipalitiesBoxner Åsbrink, Johannes January 2023 (has links)
Efforts towards sustainable urban areas are fundamental for the attainment of the Sustainable Development Goals [SDGs], embodied in goal 11 of sustainable cities and communities. Sustainable urban development requires the goals to be localized and operationalized to the applied areas needs and prerequisites. Localization and operationalization of the goals has, however, proved to be difficult in a local setting. In relation, Neighbourhood Sustainability Assessment [NSA] tools are found to provide directives, metrics and indicators of community sustainability assessments, possibly appliable to provide guidance for local governance to operationalize the SDGs. This degree project aims to evaluate the possibility of SDG.11 attainment and policy operationalization at a local level through the use of an established NSA-tool, BREEAM-C. To do so, this degree project use deductive thematic analysis, with SDG.11 targets as analytical framework, to evaluate connectivity to SDG.11 of local policy documents stated to direct efforts of SDG.11 implementation and the selected NSA-tool manual. Further, a composite index of NSA-tool indicators, ranked and adapted to local intentions, is developed through an analytical hierarchy process. Overall strong connections, though variable, to SDG.11 are found for both municipal and NSA-tool intentions of urban development as well as between municipal and NSA-tool intentions. The proposed composite index for SDG.11 implementation is deemed to adequately answer to municipal intentions of SDG.11 implementation.
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Monitoring der Sustainable Development Goals auf kommunaler Ebene und die Bedeutung von FlächenindikatorenPeters, Oliver, Holz, Philipp, Jossin, Jasmin 27 December 2021 (has links)
Nachhaltigkeitsprozesse der Vereinten Nationen haben für Kommunen spätestens seit Verabschiedung der Agenda 21 eine hohe Relevanz. Mit dem SDG 11 und anderen (Unter-)Zielen, die zur nachhaltigen Stadt- und Gemeindeentwicklung beitragen sollen, wurde ihnen explizit eine entscheidende Rolle zugesprochen. Gleichwohl beziehen sich die 17 SDGs, die 169 Unterziele und die zugehörigen Indikatoren zur Erfolgskontrolle der globalen Ziele auf die nationale Ebene und benötigen somit Übertragungs- und Anpassungsleistungen für die kommunale Ebene. Im Rahmen der Arbeitsgruppe „SDG-Indikatoren für Kommunen“ hat das Deutsche Institut für Urbanistik im Auftrag und gemeinsam mit der Bertelsmann Stiftung und den kommunalen Spitzenverbänden (Deutscher Städtetag, Deutscher Städte-und Gemeindebund, Deutscher Landkreistag), dem Bundesinstitut für Bau-, Stadt- und Raumforschung (BBSR), der Servicestelle Kommunen in der Einen Welt (SKEW) und weiteren begleitenden Gremien ein umfassendes Monitoring zum Status quo der SDGs auf kommunaler Ebene erarbeitet. Die inhaltliche Weiterentwicklung des ersten Indikatorenkatalogs von 2018 erfolgte nun auf Basis von Praxis-Erprobungen und umfassenden Evaluationen. Die Bewertung der gesammelten und entwickelten 120 Indikatoren stellte dabei in einigen Themenbereichen wie der Flächennutzung eine Herausforderung dar, die Diskrepanzen der Relevanz von SDGs je nach Perspektive und Ebene offenbaren.
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[en] SUSTAINABILITY: CIVIC TECH, BUILDING GLOBAL CITIZENSHIP AND EFFECTIVE INSTITUTIONS: ONU 2030 AGENDA / [pt] SUSTENTABILIDADE: CIVIC TECH, FORMAÇÃO DA CIDADANIA GLOBAL E INSTITUIÇÕES EFICAZES: AGENDA 2030 DA ONUVALERIA TAVARES DE SANT ANNA 09 November 2023 (has links)
[pt] As Civic Tech como ferramentas tecnológicas para o exercício da cidadania e
formação da cidadania global são capazes de fomentar e restaurar valores como
cooperação e solidariedade na busca do consenso, conforme os pilares apresentados
na Agenda 2030 da ONU – englobando pessoas, planeta, prosperidade, paz e
parcerias. Torna-se possível o uso da tecnologia da informação para garantir
informações de interesse socioeconômico para os cidadãos, permitindo, portanto, o
acesso a informações para o exercício pleno da cidadania. Através do
empoderamento do cidadão de um determinado território é possível a formação da
cidadania global, rompendo-se a exclusividade imposta pelo mercado, no sentido
de as pessoas agirem afirmativamente em prol do bem estar social, individual e
coletivo, ou seja, além das ações associadas ao consumo típico de bens e serviços,
características da sociedade de consumo e de massa. Neste sentido, o objetivo geral
do trabalho é a criação de uma Civic Tech que se disponha à formação da cidadania
global através de ações afirmativas com foco no Brasil, por meio do exercício
efetivo da cidadania. / [en] Civic Tech as technological tools for the exercise of citizenship and the formation
of global citizenship are capable of promoting and restoring values such as
cooperation and solidarity in the search for consensus, according to the pillars
presented in the UN 2030 Agenda - encompassing people, planet, prosperity, peace
and partnerships. It becomes possible to use information technology to guarantee
information of socioeconomic interest to citizens, thus allowing access to
information for the full exercise of citizenship. Through the empowerment of
citizens in a given territory, it is possible to form global citizenship, breaking with
the exclusivity imposed by the market, in the sense that people act affirmatively in
favor of social, individual and collective well-being, that is, in addition to actions
associated with the typical consumption of goods and services, characteristics of
consumer and mass society. In this sense, the general objective of the work is the
creation of a Civic Tech that is willing to form global citizenship through
affirmative actions focused on Brazil, through the effective exercise of citizenship.
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Monitoring Urbanization in Sekondi-Takoradi, Ghana, using Multi-Temporal Sentinel-2 MSI Imagery and In-Situ Interviews / Övervakning av urbaniseringen i sekondi-takoradi, ghana, med hjälp av multi-temporal sentinel-2 msi imagery och intervjuer i fältLjungström Armah, William January 2023 (has links)
Rapid urbanization is taking place in Low-and middle-income countries (LMICs). Often there is not sufficient data monitoring the quick urban change. This study explores the use of machine learning classification within remote sensing to foster sustainable urban practices in a secondary city in an LMIC. The aim is to extract spatially detailed land cover data and investigate its temporal evolution from 2018 to 2021. Furthermore, targeted interviews with residents were conducted to gain an in-situ understanding of the land cover changes. The research reveals a trend of increased impervious surface in Sekondi-Takoradi, especially around the urban outskirts. Some patterns of densification can also be identified, predominantly in urban areas with a mix of impervious surfaces and vegetation. These findings reveal similar land cover change patterns as previous remote sensing studies, a decrease in vegetation, and an increase in impervious surfaces. The used method can be applied at a larger scale to monitor the urbanization of secondary cities in LMICs, a field that often is neglected. These insights can contribute to achieving the UN's 11th Sustainable Development Sustainable Cities and Communities.
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[en] SUSTENTA ME: AN APP FOR THE CIRCULAR ECONOMY OF RIO DE JANEIRO / [pt] SUSTENTA ME: UM APLICATIVO PARA A ECONOMIA CIRCULAR NO RIO DE JANEIROPEDRO SUTTER OZORIO ROSA 01 February 2024 (has links)
[pt] A dissertação trata do desenvolvimento do aplicativo para celular
chamado Sustenta.me, inserido nos Objetivos do Desenvolvimento Sustentável
12, Consumo e Produção Responsáveis. O objetivo principal desse aplicativo é
mapear produtos e serviços sustentáveis na cidade do Rio de Janeiro,
facilitando seu acesso de forma prática e segura, fornecendo uma ferramenta
para promover a economia circular no dia-a-dia do público-alvo. A dissertação
apresenta também uma pequena retrospectiva do impacto da criação dos
aplicativos na sociedade contemporânea e uma revisão dos serviços
sustentáveis sob uma perspectiva histórica no Rio de Janeiro, se debruçando
então sobre o processo de criação do aplicativo Sustenta.me e um protótipo em
tamanho real para testes, avaliação da interface interativa e proposta de
promoção do aplicativo. / [en] The dissertation focuses on the development of a mobile applicationcalled Sustenta.me, aligned with Sustainable Development Goal 12: ResponsibleConsumption and Production. The primary objective of this application is to mapsustainable products and services in the city of Rio de Janeiro, making theiraccess practical and secure. It serves as a tool to promote circular economy inthe everyday lives of the target audience. The dissertation also provides a briefretrospective on the impact of application creation in contemporary society and ahistorical review of sustainable services in Rio de Janeiro. It then delves into theprocess of creating the Sustenta.me application, including a full-scale prototypefor testing, evaluation of the interactive interface, and a proposal for promotingthe application.
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Sustainable Stakeholder Framework for Hotels : Supporting Sustainable Tourism Management in Vlora, Albania / Intressentramverk för hotell : hållbar turism i Vlora, AlbanienBerggren Ek, Alma, Espling, Ella January 2021 (has links)
This study aims to create a sustainable tourism stakeholder framework for hotels in Vlora, a popular tourist destination in southeast European country Albania. As tourism is one of the major driving forces towards better social and economical conditions in Albania but simultaneously poses threats towards nearby ecosystems and protected areas, local traditions and cultures and small suppliers, the importance of sustainability in the industry has risen as a top priority. Conducted on behalf of UNDP Albania, the stakeholder framework aims to function as an outline for a sustainable management plan, leading to future eco-certi cation for hotels. The stakeholder framework, which includes five-key stakeholder categories; operational, employees, clients, suppliers and local community, each with well tested CSR-practices linked to them, aims to promote sustainable development for the entire destination. The hotel, placed in the center, isused as a driving force towards closer collaborations with other stakeholder categories. The framework was tested on Vlora's largest hotel actor, Regina Hotel Group, through a questionnaire and interviews with four top management executives. The key findings show that Regina Hotel Group has come far in their social sustainability, in particular regarding employees and local suppliers, but lack in sustainability training, leading to lower awareness and sustainability mainly being implemented for financial reasons. Lastly, a recommendation with examples of short- and long-term implementations is presented for the hotel, connected to each stakeholder category. / Denna studie kommer att undersoka hållbar turism i den populära turistdestinationen Vlora, i södra Albanien. Turism är en av två näringar som bidrar mest till socioekonomisk utveckling i regionen. Samtidigt kan alltför stor och oreglerad turistindustri hota bevarandet av omkringliggande natur, kultur, traditioner och små, lokala företag. Med detta i åtanke är hållbarhet en viktig aspekt för Vloras framtida turiststrategi. Genomförd på uppdrag av FN:s utvecklingsprogram, UNDP Albania, tar studien fram ett intressentramverk, som ska ligga till grund för ett eko-certiferingssystem för FN:sutvecklingsprogram. Fem kategorier av nyckelintressenter, teknik, anställda, kunder, leverantörer och lokalsamhälle, har intressentramverkets kopplat CSR-praktiker (Corporate Social Responsability), väl testade för hotells hållbarhet, till. Ramverket använder sedan hotellet, placerat i mitten, som drivkraft för att främja hållbar utveckling i hela destinationen. Genom ett frågeformulär och uppföljande intervjuer med fyra chefer från Vloras största hotellaktör, Regina Hotel Group, kristalliserades fem huvudslutsatser. Först, Regina Hotel Group har kommit låangt i sitt sociala hållbarhetsarbete, speciellt vad gäller anställda och lokala leverantörer, men de saknar utbildning i hållbarhet, vilket leder till låg medvetenhet och därför implementeras hållbara lösningar genom finansiella argument. Avslutningsvis, presenteras en rekommendation med exempel på kort- och långsiktiga lösningar som är kopplade till varje intressentkategori.
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Metodología de análisis para la mejora de los indicadores de sostenibilidad en las redes de distribución presurizadas mediante el uso de sistemas híbridosMercedes García, Ángel Valentín 10 March 2023 (has links)
Tesis por compendio / [ES] La emisión de gases de efecto invernadero de manera desmesurada, ha generado la degradación de la capa de ozono, provocando variaciones en los procesos ambientales que afectan a los organismos vivientes en el planeta Tierra.
En los últimos años debido al cambio climático, los seres humanos buscamos enfatizar en el cuidado del medio ambiente y la preservación de los recursos naturales. Por lo que, en la mayoría de los casos, el avance tecnológico se enfoca en alcanzar las metas de desarrollo sostenible planteadas por la Organización de las Naciones Unidas (ONU).
El mundo del agua no queda atrás, al tener que utilizar equipos energéticamente cada vez más consuntivos para suplir la demanda hídrica, se determina que existe una relación entre la emisión de GEI y el consumo de agua.
Existen numerosos estudios que demuestran que, al optimizar las redes de distribución de agua: 1) se reduce la cantidad de energía requerida en las redes de agua; 2) se reduce la emisión de GEI; 3) se aumenta el tiempo de vida útil de una red de abastecimiento; 4) se mejora el aprovechamiento del agua; 5) se logra disminuir el coste relacionado con la operación, entre otros.
El desarrollo del objetivo de esta tesis conllevó consigo la creación de tres (3) artículos científicos publicados en revistas JCR de alto impacto, con lo que se consiguió:
1)Contextualización del estudio, estableciendo las diferencias existentes en los sistemas de distribución de agua desde el punto de vista de la sostenibilidad.
2)Optimización de redes de riego en busca de un sistema híbrido que persiga una configuración de utilización nula de energía neta.
3)La aplicación y la optimización de una red de abastecimiento aislada que suple la demanda urbana, turística y paisajística.
En el capítulo 2 se muestran distintos métodos de optimización de redes mediante la modelación, calibración y análisis hidráulicos donde varios estudios presentan tecnologías y herramientas que permiten estimar la cantidad de energía utilizada por el uso del agua en suministros de distintas envergaduras, exponiendo datos de las redes como son volumen inyectado, presión de abastecimiento, energía suministrada, regulación de los sistemas, entre otros.
La revisión del estado del arte pone de manifiesto que tras la instalación de PAT se logra tener una recuperación energética desde un valor nulo hasta conseguir 0.042 kWh/m3. De igual manera se pudo estimar que tras la instalación de PFV para suministrar energía en las estaciones de bombeo se logra una reducción anual en la emisión de GEI de 16571 tCO2. A su vez, se pudo determinar que, tras la modificación en la operación del sistema, se consigue modificar el consumo inicial anual de 11651 a 2100 MWh.
En el capítulo 3, se propone una metodología de optimización que muestra cómo se puede realizar la optimización de una red de riego real ubicada en Aspe (Alicante, España). Esta metodología emplea el método de optimización de "simulated annealing", tanto para conocer la mejor ubicación para instalar sistema micro hidroeléctricos como definir la regulación. El estudio muestra alternativas que alcanzan una reducción anual de emisión de GEI de hasta 2838 tCO2, y, de igual manera, se aprecia la posibilidad anual de vender hasta 283 MWh al sistema de abastecimiento de energía local.
La metodología propuesta, asimismo fue aplicada en un sistema de abastecimiento de una ciudad aislada (Bahamas), mostrado en el capítulo 4. Se puede apreciar que al realizar modificación en la regulación del sistema se puede reducir el consumo energético anual de una estación de bombeo en un 32% y una reducción de la emisión de GEI en un 40%, esto se consiguió tras realizar un método de optimización basado en la búsqueda de los mejores puntos de funcionamiento de las bombas. / [CA] L'emissió de gasos d'efecte d'hivernacle de manera desmesurada, ha generat la degradació de la capa d'ozó, provocant variacions en els processos ambientals que afecten els organismes vivents en el planeta Terra.
En els últims anys a causa del canvi climàtic, els éssers humans busquem emfatitzar en la cura del medi ambient i la preservació dels recursos naturals. Pel que, en la majoria dels casos, l'avanç tecnològic s'enfoca a aconseguir les metes de desenvolupament sostenible plantejades per l'Organització de les Nacions Unides (ONU).
El món de l'aigua no queda arrere, en haver d'utilitzar equips energèticament cada vegada més consumptius per a suplir la demanda hídrica, es determina que existeix una relació entre l'emissió de *GEI i el consum d'aigua.
Existeixen nombrosos estudis que demostren que, en optimitzar les xarxes de distribució d'aigua: 1) es redueix la quantitat d'energia requerida en les xarxes d'aigua; 2) es redueix l'emissió de *GEI; 3) s'augmenta el temps de vida útil d'una xarxa de proveïment; 4) es millora l'aprofitament de l'aigua; 5) s'aconsegueix disminuir el cost relacionat amb l'operació, entre altres.
El desenvolupament de l'objectiu d'aquesta tesi va comportar amb si la creació de tres (3) articles científics publicats en revistes *JCR d'alt impacte, amb el que es va aconseguir:
1)Contextualització de l'estudi, establint les diferències existents en els sistemes de distribució d'aigua des del punt de vista de la sostenibilitat.
2)Optimització de xarxes de reg a la recerca d'un sistema híbrid que perseguisca una configuració d'utilització nul·la d'energia neta.
3)L'aplicació i l'optimització d'una xarxa de proveïment aïllada que supleix la demanda urbana, turística i paisatgística.
En el capítol 2 es mostren diferents mètodes d'optimització de xarxes mitjançant el modelatge, calibratge i anàlisis hidràuliques on diversos estudis presenten tecnologies i eines que permeten estimar la quantitat d'energia utilitzada per l'ús de l'aigua en subministraments de diferents envergadures, exposant dades de les xarxes com són volum injectat, pressió de proveïment, energia subministrada, regulació dels sistemes, entre altres.
La revisió de l'estat de l'art posa de manifest que després de la instal·lació de *PAT s'aconsegueix tindre una recuperació energètica des d'un valor nul fins a aconseguir 0.042 kWh/m³. D'igual manera es va poder estimar que després de la instal·lació de *PFV per a subministrar energia en les estacions de bombament s'aconsegueix una reducció anual en l'emissió de *GEI de 16571 *tCO2. Al seu torn, es va poder determinar que, després de la modificació en l'operació del sistema, s'aconsegueix modificar el consum inicial anual de 11651 a 2100 *MWh.
En el capítol 3, es proposa una metodologia d'optimització que mostra com es pot realitzar l'optimització d'una xarxa de reg real situada a Aspe (Alacant, Espanya). Aquesta metodologia empra el mètode d'optimització de "*simulated *annealing", tant per a conéixer la millor ubicació per a instal·lar sistema micro hidroelèctrics com definir la regulació. L'estudi mostra alternatives que aconsegueixen una reducció anual d'emissió de *GEI de fins a 2838 *tCO2, i, d'igual manera, s'aprecia la possibilitat anual de vendre fins a 283 *MWh al sistema de proveïment d'energia local.
La metodologia proposada, així mateix va ser aplicada en un sistema de proveïment d'una ciutat aïllada (Bahames), mostrat en el capítol 4. Es pot apreciar que en realitzar modificació en la regulació del sistema es pot reduir el consum energètic anual d'una estació de bombament en un 32% i una reducció de l'emissió de *GEI en un 40%, això es va aconseguir després de realitzar un mètode d'optimització basat en la cerca dels millors punts de funcionament de les bombes. / [EN] The disproportionate emission of greenhouse gases has led to the degradation of the ozone layer, causing variations in environmental processes that affect living organisms on planet Earth.
In recent years, due to climate change, human beings seek to emphasize the care of the environment and the preservation of natural resources. Therefore, in most cases, technological progress is focused on achieving the sustainable development goals set by the United Nations (UN).
The world of water is not left behind, as it is necessary to use more and more energy-consuming equipment to meet the demand for water, and it has been determined that there is a relationship between GHG emissions and water consumption.
There are numerous studies that show that, by optimizing water distribution networks: 1) the amount of energy required in water networks is reduced; 2) GHG emissions are reduced; 3) the useful life of a supply network is increased; 4) the use of water is improved; 5) the cost related to operation is reduced, among others.
The development of the objective of this thesis entailed the creation of three (3) scientific articles published in high impact JCR journals, thus achieving:
1)Contextualization of the study, establishing the existing differences in water distribution systems from the point of view of sustainability.
2)Optimization of irrigation networks in search of a hybrid system that pursues a configuration of zero net energy use.
3)The application and optimization of an isolated supply network that meets urban, tourist and landscape demand.
Chapter 2 shows different methods of network optimization through modeling, calibration and hydraulic analysis where several studies present technologies and tools that allow estimating the amount of energy used by the use of water in supplies of different sizes, exposing network data such as volume injected, supply pressure, energy supplied, regulation of the systems, among others.
The review of the state of the art shows that after the installation of PAT it is possible to have an energy recovery from a null value to 0.042 kWh/m3. Likewise, it was estimated that after the installation of PFV to supply energy to the pumping stations, an annual reduction in GHG emissions of 16571 tCO2 was achieved. At the same time, it was determined that, after the modification in the operation of the system, it was possible to modify the initial annual consumption from 11651 to 2100 MWh.
In Chapter 3, an optimization methodology is proposed that shows how the optimization of a real irrigation network located in Aspe (Alicante, Spain) can be carried out. This methodology uses the "simulated annealing" optimization method, both to know the best location to install micro hydroelectric systems and to define the regulation. The study shows alternatives that achieve an annual GHG emission reduction of up to 2838 tCO2, and, likewise, the annual possibility of selling up to 283 MWh to the local energy supply system.
The proposed methodology was also applied in a supply system of an isolated city (Bahamas), shown in Chapter 4. It can be seen that by modifying the regulation of the system, the annual energy consumption of a pumping station can be reduced by 32% and GHG emissions can be reduced by 40%, this was achieved after performing an optimization method based on the search for the best operating points of the pumps. / Fundings: Grant PID2020-114781RA-I00 funded by MCIN/AEI/10.13039/501100011033 / Mercedes García, ÁV. (2023). Metodología de análisis para la mejora de los indicadores de sostenibilidad en las redes de distribución presurizadas mediante el uso de sistemas híbridos [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/192475 / Compendio
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