Title
Temporal And Spatial Variation Of Anthropogenic Heat In The Central Urban Area: A Case Study Of Guangzhou, China
Abstract
The urban heat island effect caused by the rapid increase in urban anthropogenic heat has gradually become an important factor affecting the living environment of urban residents. Studying the temporal and spatial variation characteristics of urban anthropogenic heat is of great significance for urban planning and urban ecological service systems. In this study, the urban anthropogenic heat flux (AHF) in 2004, 2009, 2014, and 2020 in the central urban area of Guangzhou was retrieved based on Landsat data and the surface energy balance equation, and the temporal and spatial characteristics of different types of anthropogenic heat were explored by combining the transfer matrix and the migration of the gravity center. The results showed that: (1) The overall change trend of anthropogenic heat in the central urban area of Guangzhou was enhanced, and the degree of enhancement was related to the type of urban functional land. (2) Different types of anthropogenic heat had different characteristics in terms of area expansion and spatial changes. Low-value anthropogenic heat (zero-AHF zone, low-AHF zone, medium-AHF zone) changed drastically in terms of area expansion. High-value anthropogenic heat (medium-AHF zone, high-AHF zone) changed more drastically in space. The increase in urban population, rapid economic development, and increased industrial production activities have stimulated the emission of anthropogenic heat, which has a positive impact on the intensity of anthropogenic heat.
Year
DOI
Venue
2021
10.3390/ijgi10030160
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
Keywords
DocType
Volume
anthropogenic heat, surface energy balance model, transfer matrix, migration of gravity center, central urban area
Journal
10
Issue
Citations 
PageRank 
3
0
0.34
References 
Authors
0
5
Name
Order
Citations
PageRank
Ting Peng100.34
Caige Sun201.69
Shanshan Feng300.34
Yongdong Zhang400.34
Fenglei Fan501.69