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Green is not just green

human colour perception in urban green contexts

Thorpert, Petra (2019). Green is not just green. Diss. (sammanfattning/summary) Alnarp : Sveriges lantbruksuniv., Acta Universitatis Agriculturae Sueciae, 1652-6880 ; 2019:41
ISBN 978-91-7760-400-6
eISBN 978-91-7760-401-3
[Doctoral thesis]

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Abstract

The thesis is intended to be part of a larger process and field, by helping to increase understanding of how changed colour characteristics in urban green spaces can influence human experiences. More specifically, the thesis explores whether human colour perception is influenced by factors such as viewing distance, seasons, species mixture, or colourful artefacts incorporated in urban green spaces.

In situ studies were performed in southern Sweden, using public parks and welldefined forest stands as experimental areas. Three empirical studies were conducted in the form of quasi-experiments and combined studies involving colour perception and environmental assessment methods. The main findings are structured around Johannes Itten’s colour contrast concepts from the 1960s (Itten, 2002), Berlyne’s arousal model (1971) and the concept of hedonic values. The main results are discussed in terms of the effect of viewing distances on colour perception and the effect of colour contrast on visitor experience. In addition, the findings are related to methodological considerations and constraints, with a discussion of a quantitative approach concerning determination of colours and the use of expert respondents.

In today’s urban green spaces, bright and intense colourful artefacts are increasingly playing a role as visual contributors. According to the results, the coloured additions in green-dominated areas seem to affect human colour perception when viewed from both a short distance (3 metres) and a longer distance (15 metres) in a public park. These findings might also apply to colourful plantations in park environments like perennialand annual borders. The results also indicate that human experiences relate to perceived colour characteristics, which in turn relate to surrounding environmental colours and viewing distance. The findings emphasise that awareness of colour aspects, such as perceived colour contrasts and the effect of viewing distance on perceived colours and related human experiences, should be addressed in the planning and design of urban environment processes. The knowledge from this thesis could support landscape and garden designers in their work to develop outdoor environments that are attractive for humans.

Authors/Creators:Thorpert, Petra
Title:Green is not just green
Subtitle:human colour perception in urban green contexts
Series/Journal:Acta Universitatis Agriculturae Sueciae (1652-6880)
Year of publishing :2019
Number:2019:41
Number of Pages:68
Papers/manuscripts:
NumberReferences
IThorpert, P., Nielsen, A.B. (2014). Experience of vegetation-borne colours. Journal of Landscape Architecture (JoLA), 1-2014: 60-69.
IIThorpert, P., Englund, J-E., Nielsen, A.B. (2018). The impact of the primary colours yellow, red and blue on the perception of greenery. Landscape Research 44 (1), 88-98.
IIIThorpert, P., Englund, J-E. Perceived colours and visitor experiences of urban parks as influenced by colourful artefacts: An in-situ quasiexperiment. Under review at URBAN DESIGN International
Place of Publication:Alnarp
Publisher:Department of Landscape Architecture, Planning and Management, Swedish University of Agricultural Sciences
ISBN for printed version:978-91-7760-400-6
ISBN for electronic version:978-91-7760-401-3
ISSN:1652-6880
Language:English
Publication Type:Doctoral thesis
Article category:Other scientific
Full Text Status:Public
Agris subject categories.:P Natural resources > P01 Nature conservation and land resources
X Agricola extesions > X80 Social sciences, humanities and education
Subjects:(A) Swedish standard research categories 2011 > 5 Social Sciences > 509 Other Social Sciences > Other Social Sciences not elsewhere specified
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Landscape Architecture
Keywords:colour contrast, characteristics of colour, viewing distance, season, RHS colour chart, Johannes Itten, Berlyne’s arousal model
URN:NBN:urn:nbn:se:slu:epsilon-p-100217
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-100217
ID Code:16172
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Landscape Architecture, Planning and Management (from 130101)
Deposited By: SLUpub Connector
Deposited On:27 May 2019 08:22
Metadata Last Modified:10 Jun 2019 19:27

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