%0 Journal Article %T 基于GIS和InVEST模型的日照市固碳能力研究 %T A Study on Carbon Sequestration Capacity Based on GIS and InVEST Model in Rizhao City %A 丛文翠 %A 孙小银 %A CONG,Wencui %A SUN,Xiaoyin %J 水土保持通报 %J 水土保持通报英文版 %@ 1000-288X %V 38 %N 5 %D 2018 %P 200-205 %K 固碳能力;InVEST模型;土地利用;山东省日照市 %K carbon sequestration capacity;InVEST model;land use;Rizhao City of Shandong Province %X [目的]分析山东省日照市碳储量的时空变化,探讨日照市各土地利用类型的固碳能力,为生态系统服务评估提供决策支持。[方法]以日照市1995,2000,2005,2010和2015年5期土地利用信息和碳密度数据为基础,利用GIS和InVEST-Carbon Storage and Sequestration模块,获取碳储量时空分布数据,从而对日照市固碳能力进行准确的定量评估。[结果]①1995—2015年,研究区内耕地、草地的面积均有所下降,而林地、水域、建设用地以及未利用地面积增加。②日照市总固碳量呈现增长趋势,1995—2015年依次为6.976×106,6.978×106,6.957×106,6.987×106,7.015×106 t。③耕地的碳储量最高,固碳能力最强。[结论]1995—2015年研究区内固碳总量净增3.90×104 t,固碳速率呈现小幅上升趋势,固碳能力逐步稳定。日照市东部沿海地区固碳能力相对较弱,应充分开发其固碳潜力。 %X [Objective] The spatio-temporal dynamics of carbon sequestration were monitored and the capacity of carbon sequestration in different land use types were discussed in order to provide supports for management of ecosystem services.[Methods] Based on the land use data from 1995 to 2015 and carbon density data, the spatio-temporal changes of carbon sequestration were evaluated by InVEST-Carbon sequestration model in Rizhao City of Shandong Province.[Results] ① The areas of cultivated land and grassland were decreased, while the area of forest land, water area, construction land and unused land area were increased from 1995 to 2015. ② The total carbon storage in Rizhao City showed an increasing trend, which were 6.976×106, 6.978×106, 6.957×106, 6.987×106, 7.015×106 t in the year of 1995, 2000,2005,2010 and 2015, respectively. ③ The highest carbon storage was farmland among all land use types.[Conclusion] The total amount of carbon storage increased by 3.90×104 t from 1995 to 2015, and the carbon sequestration rate showed a rising trend. The carbon sequestration capacity in the eastern coastal areas was relatively weak, which should be fully developed. %R 10.13961/j.cnki.stbctb.2018.05.032 %U http://stbctb.alljournal.com.cn/stbctb/home %1 JIS Version 3.0.0