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Towards an Integrated Pedestrian The...

Chen, Liang.

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Towards an Integrated Pedestrian Thermal Comfort Assessment System: An Agent-Based Approach.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Towards an Integrated Pedestrian Thermal Comfort Assessment System: An Agent-Based Approach./
Author:	Chen, Liang.
Description:	243 p.
Notes:	Source: Dissertation Abstracts International, Volume: 73-05, Section: B, page: 2780.
Contained By:	Dissertation Abstracts International73-05B.
Subject:	Environmental science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3492046
ISBN:	9781267099945

Towards an Integrated Pedestrian Thermal Comfort Assessment System: An Agent-Based Approach.
Chen, Liang.

Towards an Integrated Pedestrian Thermal Comfort Assessment System: An Agent-Based Approach. - 243 p.

Source: Dissertation Abstracts International, Volume: 73-05, Section: B, page: 2780.

Thesis (Ph.D.)--The Chinese University of Hong Kong (Hong Kong), 2010.

This item must not be sold to any third party vendors.

Pedestrians are important to sustainable cities. How to make outdoor spaces attractive to pedestrians has long been a primary concern in urban planning and design. The outdoor microclimate is found to be an important factor in affecting pedestrian's behaviors, i.e. space use. One key issue in this respect, is to evaluate the impact of the microclimate on pedestrian's thermal comfort condition. An effective tool that allows detailed investigation of pedestrian's thermal comfort and also provides implications of space use is in great need.

ISBN: 9781267099945Subjects--Topical Terms:

677245
Environmental science.

Towards an Integrated Pedestrian Thermal Comfort Assessment System: An Agent-Based Approach.
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020 $a 9781267099945
035 $a (MiAaPQ)AAI3492046
035 $a AAI3492046
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100 1 $a Chen, Liang. $3 1256717
245 1 0 $a Towards an Integrated Pedestrian Thermal Comfort Assessment System: An Agent-Based Approach.
300 $a 243 p.
500 $a Source: Dissertation Abstracts International, Volume: 73-05, Section: B, page: 2780.
500 $a Adviser: Yan-Yung Edward Ng.
502 $a Thesis (Ph.D.)--The Chinese University of Hong Kong (Hong Kong), 2010.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a Pedestrians are important to sustainable cities. How to make outdoor spaces attractive to pedestrians has long been a primary concern in urban planning and design. The outdoor microclimate is found to be an important factor in affecting pedestrian's behaviors, i.e. space use. One key issue in this respect, is to evaluate the impact of the microclimate on pedestrian's thermal comfort condition. An effective tool that allows detailed investigation of pedestrian's thermal comfort and also provides implications of space use is in great need.
520 $a Effective assessment of pedestrian's thermal comfort is both a research challenge and a practical crux. Traditional bio-meteorological indicators such as PMV are only suitable for steady state subjects therefore will normally result in discrepancies when applied to transient conditions. Evaluation methodologies are also absent in the behavioral aspects: pedestrian traffic is always directed by certain activities, suggesting that their thermal comfort assessment should bear considerations of pedestrian's behaviors in order to provide pertinent planning implications.
520 $a The thesis establishes a conceptual framework for "context-sensitive" assessment on the meso-scale, and proposes to link the assessment of pedestrian's thermal comfort condition to the comprehensive urban context and therefore their activities. An integrated system is implemented with a comprehensive representation of the urban environment. A promising modeling technique, the agent-based modeling approach is taken to overcome the limitations imposed by traditional top-down models. The agent-based model simulates pedestrian's behaviors from the disaggregated scale, allowing detailed investigations of individual pedestrian's dynamic thermal comfort conditions. By examining system behavior emerged from the interactions of different individuals, implications for planning could also be revealed on the aggregated scale. With support of geographical information system, the system could be applied in real world context with complex urban environment. A detailed case study using a downtown area in Hong Kong as an example is explored to demonstrate the advantage of the agent-based modeling approach.
520 $a Through the case study, it is found that the presented agent-based simulation system can bring dynamic and behavioral understandings in investigating pedestrian's thermal comfort, which are more relevant in outdoor space planning but is not possible using traditional thermal comfort assessment methods. This suggests that the agent-based modeling approach is a good complement to traditional static and aggregated methods.
520 $a To sum up, the thesis work has significance from conceptual, technical and practical perspectives in terms of developing a spatial decision support tool. Conceptually, the thesis identifies the need for "context-sensitive" assessment in investigating pedestrian's thermal comfort, and adopts the agent-based modeling paradigm to account for pedestrian's dynamic and individualized features. Technically, an integrated GIS-based computational system is implemented to simulate pedestrian movement and assess pedestrian's thermal comfort from both static and dynamic aspects. Practically, the system can be applied in real world context and provide implications in urban design.
590 $a School code: 1307.
650 4 $a Environmental science. $3 677245
650 4 $a Urban planning. $3 2122922
690 $a 0768
690 $a 0999
710 2 $a The Chinese University of Hong Kong (Hong Kong). $3 1017547
773 0 $t Dissertation Abstracts International $g 73-05B.
790 $a 1307
791 $a Ph.D.
792 $a 2010
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3492046