Urban forest carbon sink and its estimation methods: A review
Abstract:Urban forest is an important component of urban ecosystem,which has significance in reducing atmospheric CO2 concentration,mitigating the negative effects of climate change,and improving regional environmental situation,being a hot topic in related studies.This paper summarized the studies on the urban forest carbon (C) sink,and evaluated the characteristics of urban forest C sink from the aspects of the spatiotemporal distribution of C sink and the relationships between urban forest and low C development.The principles and applications of three main estimation methods widely used for estimating urban forest C sequestration,i.e.,sampling site inventory,remote sensing estimation,and microclimatology,were summarized.The shortcomings and development directions of the current researches of urban forest C sequestration were discussed,and the advantages,disadvantages,and applicability of different estimation methods of urban forest C sink were analyzed.It was suggested that the comprehensive application of sampling site inventory,model simulation,and remote sensing analysis would be the main trend for resolving the issues of multi-scale coupling,improving the estimation accuracy,and studying the C cycle of urban forest ecosystems.
国家科技期刊平台
NSTL
万方数据
维普
