Journal of Geo-information Science

Study on the Evolution and Regulation Mechanism of the Thermal Environment in Zhengzhou City Based on LCZ and Source-Sink Theory

WANG Lifang, FAN Qiang, ZHANG Bing, XIANG Mengxue

Journal of Geo-information Science, 2026, 28(2): 529-543. DOI: 10.12082/dqxxkx.2026

Fig. 8 Spatial distribution of MSPA of heat sources and heat sinks in the study area in 2016, 2020 and 2024

Other figure/table from this article

Fig. 1 Overview of the Zhengzhou research area in 2024
Tab.1 Data details
Fig. 2 Thermal environment regulation technical route based on LCZ and source-sink theory
Tab. 2 LCZ classification types and meanings
Tab. 3 Criteria for dividing land surface temperatures
Tab. 4 The weight of each resistance factor (%)
Fig. 3 Surface temperature distribution in the study area in 2016, 2020 and 2024
Fig. 4 Distribution of LCZ classification results in the study area in 2016, 2020 and 2024
Fig. 5 The relationship between LCZ type conversion in 2016, 2020 and 2024 in the study area
Fig. 6 Spatial distribution of heat sources and heat sinks in the study area in 2016, 2020 and 2024
Fig. 7 Comparison of heat source heat sink type conversion correlation in 2016, 2020 and 2024
Tab. 5 MSPA seven categories (%)
Fig. 9 Spatial distribution of core heat source heat sinks in the study area in 2016, 2020 and 2024
Fig.10 The spatial distribution of corridors and obstacle points at all levels in the study area in 2016, 2020 and 2024