AAU Student Projects - visit Aalborg University's student projects portal
A master's thesis from Aalborg University
Book cover


Urban Sprawl: A development exacerbating climate change challenges in the 21st century: Understanding the impacts and drivers in order to promote sustainable settlement and mobility

Translated title

Urban Sprawl: A development exacerbating climate change challenges in the 21st century

Author

Term

4. semester

Publication year

2022

Abstract

This thesis examines whether and how urban sprawl – low-density development that spreads homes and services over larger areas – worsens climate challenges, and how more sustainable land use (land take, i.e., converting undeveloped land to built-up uses) and mobility can be achieved in Ravensburg, Germany. It analyzes the underlying drivers of urban sprawl and its substantial environmental consequences. As a secondary aim, the study assesses the quality of the public transport system and people’s mobility behavior and preferences. The analysis indicates a clear link between urban structure and mobility: urban areas tend to have better public transport, while rural areas are often disadvantaged. To gain detailed insights, 61 surveys and 6 interviews were conducted. Findings on relocation preferences align with earlier literature: nature, family formation, memories, and individual preferences matter, while issues of availability and affordability also shape choices. Overall, public transport is perceived as inadequate due to high ticket prices and infrequent or poorly timed services. Drawing on primary and secondary data – including plans, concepts, and literature – the study offers recommendations to align with the no net land take by 2050 goal and to contribute to the Sustainable Development Goals. Overall, the research highlights the adverse climate impacts of urban sprawl and the urgent need for new planning strategies.

Dette speciale undersøger, om og hvordan byspredning – lavtæt bebyggelse, hvor boliger og funktioner spredes over et større område – forværrer klimaudfordringer, samt hvordan en mere bæredygtig udvikling i arealinddragelse (omdannelse af ubebygget areal til bebyggelse) og mobilitet kan opnås i Ravensburg, Tyskland. Vi analyserer de underliggende drivkræfter bag byspredning og dens betydelige miljøkonsekvenser. Som et supplerende mål vurderes kvaliteten af den kollektive trafik samt borgernes mobilitetsadfærd og -præferencer. Analysen peger på en klar sammenhæng mellem bystruktur og mobilitet: byområder har ofte bedre kollektiv trafik, mens landområder ofte er dårligere betjent. For at få mere detaljeret viden blev der gennemført 61 spørgeskemaer og 6 interviews. Resultaterne om flyttepræferencer ligger i forlængelse af tidligere studier: natur, familiedannelse, minder og individuelle ønsker spiller ind, samtidig med at tilgængelighed og betalelighed skaber udfordringer. Overordnet set opfattes den kollektive trafik som utilstrækkelig på grund af høje billetpriser og lav frekvens eller dårlige køreplaner. På baggrund af de primære og sekundære data – herunder planer, koncepter og litteratur – fremsætter studiet anbefalinger, der kan understøtte målet om no net land take by 2050 og bidrage til de bæredygtige udviklingsmål. Samlet set fremhæver forskningen byspredningens negative indvirkning på klimaet og behovet for nye planlægningsstrategier.

[This apstract has been rewritten with the help of AI based on the project's original abstract]