IDEAS home Printed from https://ideas.repec.org/a/gam/jsusta/v13y2020i1p320-d473185.html
   My bibliography  Save this article

A Method for Selecting the Typical Days with Full Urban Heat Island Development in Hot and Humid Area, Case Study in Guangzhou, China

Author

Listed:
  • Guang Chen

    (School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou 510090, China
    State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510641, China)

  • Minjie He

    (School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou 510090, China)

  • Nan Li

    (School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou 510090, China)

  • Hao He

    (School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou 510090, China)

  • Yunnan Cai

    (School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou 510090, China)

  • Senlin Zheng

    (School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou 510090, China
    Department of City and Regional Planning, The Ohio State University, Columbus, OH 43210, USA)

Abstract

The urban heat island (UHI) poses a significant threat to urban ecosystems, human health, and urban energy systems. Hence, days with a relatively higher UHI intensity should be selected for UHI observation and analysis. However, there is still a lack in the method and criteria for selecting the typical meteorological days for UHI survey and simulation. In this study, field measurements were conducted based on Local Climate Zone (LCZ) schemes over a one-year period to assess the UHI behavior in Guangzhou, China. The relationship between the diurnal temperature range (DTR) and UHI intensity was evaluated and analyzed quantitatively under different meteorological conditions classified by precipitation. The average daily maximum UHI intensity ( UHII max ) during precipitation days was approximately 1.8 °C lower than that during non-precipitation days, confirming that precipitation has a negative effect on UHI development. The monthly DTR distribution was similar to the daily UHII max distribution, which was higher in autumn and winter, but lower in spring and summer. DTR has a significant linear correlation with the daily UHII max , with a Pearson’s correlation coefficient of >0.7 and statistical significance of <0.001. Based on a quantitative evaluation of our results, we determined that 10 °C could be regarded as the appropriate DTR threshold to identify the meteorological conditions conducive to UHI development; the meteorological conditions exhibited a high daily UHII max in Guangzhou. This study provides a simple method to select typical meteorological days for UHI measurement and simulation, and a method to early-warning of intense UHI events based on weather forecasts.

Suggested Citation

  • Guang Chen & Minjie He & Nan Li & Hao He & Yunnan Cai & Senlin Zheng, 2020. "A Method for Selecting the Typical Days with Full Urban Heat Island Development in Hot and Humid Area, Case Study in Guangzhou, China," Sustainability, MDPI, vol. 13(1), pages 1-15, December.
  • Handle: RePEc:gam:jsusta:v:13:y:2020:i:1:p:320-:d:473185
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/2071-1050/13/1/320/pdf
    Download Restriction: no

    File URL: https://www.mdpi.com/2071-1050/13/1/320/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Guang Chen & Lihua Zhao & Akashi Mochida, 2016. "Urban Heat Island Simulations in Guangzhou, China, Using the Coupled WRF/UCM Model with a Land Use Map Extracted from Remote Sensing Data," Sustainability, MDPI, vol. 8(7), pages 1-14, July.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Chunxia Liu & Yuechen Li, 2018. "Spatio-Temporal Features of Urban Heat Island and Its Relationship with Land Use/Cover in Mountainous City: A Case Study in Chongqing," Sustainability, MDPI, vol. 10(6), pages 1-15, June.
    2. Jiayang Li & Xinqi Zheng & Chunxiao Zhang & Youmin Chen, 2018. "Impact of Land-Use and Land-Cover Change on Meteorology in the Beijing–Tianjin–Hebei Region from 1990 to 2010," Sustainability, MDPI, vol. 10(1), pages 1-22, January.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jsusta:v:13:y:2020:i:1:p:320-:d:473185. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.