重庆市碳储量对土地利用/覆被变化响应分析

打开文本图片集

中图分类号：S718.5 文献标识码：A 文章编号：1673-9868（2026）02-0205-13

DOI：10.13718/j.cnki.xdzk.2026.02.017

Abstract： Land use/cover change （LUCC） is a significant driver of changes in regional ecosystem carbon storage.Understanding the response of carbon storage to LUCC is crucial for achieving regional“dual carbon”strategic goals. Based on multi-period LUCC dataset，this study utilized the carbon storage module of the InVEST model to explore the relationship between land use type transformation and carbon storage changes in Chongqing. The study also employed the center of gravity model and hot-spot/cold-spot clustering analysis to further explain the spatial-temporal distribution characteristics of carbon storage and its response to land use changes in Chongqing.From 1980 to 202O，the land use types in Chongqing experienced dramatic changes，with large areas of cropland and grassland converted to forest land，which increased by 1.97 times. The carbon storage exhibited a trend of first decreasing and then increasing，with the most significant change occurring between 200O and 202O，during which carbon storage increased by （20 327.77×106 t. Spatially，the carbon storage center of gravity experienced a migration process from “northeast to southeast to northwest”，with an overall southeastward shift of 1652.88m . The“hotspot clusters”of carbon storage were mainly distributed in the Three Gorges Reservoir area of northeastern Chongqing and the Wuling Mountains area of southeastern Chongqing，while the“cold spot clusters”were concentrated in the main urban area of Chongqing and its surrounding regions.

Key words： land use； carbon storage;center of gravity analysis; clustering analysis; Chongqing

碳储量是生态系统服务评估中广泛应用的重要指标之一，是评估陆地生态系统生产能力并反映其对气候变化响应的重要参数[1]。（剩余12641字）