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Article

Spatial-Temporal Pattern Changes of UTCI in the China-Pakistan Economic Corridor in Recent 40 Years

1
Key Laboratory of Ecological Hydrology of Inland River Basin, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
2
Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Science, Lanzhou 730000, China
3
Key Laboratory of Remote Sensing of Gansu Province, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
4
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Atmosphere 2020, 11(8), 858; https://doi.org/10.3390/atmos11080858
Received: 14 June 2020 / Revised: 17 July 2020 / Accepted: 10 August 2020 / Published: 13 August 2020
(This article belongs to the Special Issue Challenges in Applied Human Biometeorology)
This paper investigated the spatial and temporal variations of the Universal Thermal Climate Index (UTCI) of the China-Pakistan Economic Corridor (CPEC) from 1979 to 2018. The European Centre for Medium-Range Weather Forecasts Re-Analysis-Interim (ERA-Interim) reanalysis data from the European Centre for Medium-Range Weather Forecasts (ECMWF) is selected for UTCI calculation in the region and analyzed by a linear trend and correlation analysis. The results showed that (1) the UTCI of CPEC is decreased with the increase of latitude and altitude. There is obvious spatial heterogeneity in the seasonal scale and the spatial distribution of different thermal stress categories. (2) UTCI generally exhibited a positive trend of 0.33 °C/10a over the past 40 years, and the seasonal variation characteristics of UTCI show an upward trend in all four seasons, of which spring is the fastest. On the space scale, the growth trend has significant spatial variations. (3) Temperature has a positive correlation with UTCI. The influence of temperature on UTCI is greater than that of wind speed. The results of this study will be helpful for regional planning and also contribute to comprehending the characteristics of the thermal environment in CPEC. View Full-Text
Keywords: thermal comfort; trend; Universal Thermal Climate Index; CPEC thermal comfort; trend; Universal Thermal Climate Index; CPEC
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MDPI and ACS Style

Zeng, D.; Wu, J.; Mu, Y.; Deng, M.; Wei, Y.; Sun, W. Spatial-Temporal Pattern Changes of UTCI in the China-Pakistan Economic Corridor in Recent 40 Years. Atmosphere 2020, 11, 858. https://doi.org/10.3390/atmos11080858

AMA Style

Zeng D, Wu J, Mu Y, Deng M, Wei Y, Sun W. Spatial-Temporal Pattern Changes of UTCI in the China-Pakistan Economic Corridor in Recent 40 Years. Atmosphere. 2020; 11(8):858. https://doi.org/10.3390/atmos11080858

Chicago/Turabian Style

Zeng, Di, Jinkui Wu, Yaqiong Mu, Mingshan Deng, Yanqiang Wei, and Weibing Sun. 2020. "Spatial-Temporal Pattern Changes of UTCI in the China-Pakistan Economic Corridor in Recent 40 Years" Atmosphere 11, no. 8: 858. https://doi.org/10.3390/atmos11080858

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