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

建筑类型	含义	土地覆盖类型	含义
LCZ1	密集高层建筑	LCZA	稠密树木
LCZ2	密集中层建筑	LCZB	稀疏树木
LCZ3	密集低层建筑	LCZC	灌木丛
LCZ4	开阔高层建筑	LCZD	低矮植被
LCZ5	开阔中层建筑	LCZE	硬质地面
LCZ6	开阔低层建筑	LCZF	裸露土地
LCZ7	轻质建筑	LCZG	水体
LCZ8	大型低层建筑
LCZ9	零散建筑
LCZ10	工厂

Tab. 2 LCZ classification types and meanings

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. 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
Fig. 8 Spatial distribution of MSPA of heat sources and heat sinks in the study area 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