Acta Geographica Sinica

Assessment of territorial ecosystem carbon storage based on land use change scenario: A case study in Qihe River Basin

Wenbo ZHU, Jingjing ZHANG, Yaoping CUI, Hui ZHENG, Lianqi ZHU

Acta Geographica Sinica, 2019, 74(3): 446-459. DOI: 10.11821/dlxb201903004

时段	明显减少(≤ -20 t/hm²)		基本不变(-20~20 t/hm²)		明显增加(≥ 20 t/hm²)
时段	栅格数	比例(%)	栅格数	比例(%)	栅格数	比例(%)
2005-2015年	3419	3.45	95205	96.11	430	0.43
2015-2025年(Q1)	1599	1.61	97340	98.27	115	0.12
2015-2025年(Q2)	595	0.60	97958	98.89	501	0.51
2015-2025年(Q3)	170	0.17	97795	98.73	1089	1.10

Tab. 5 Statistics on carbon density changes during 2005-2015 and 2015-2025 under different scenarios

Other figure/table from this article

Fig. 1 Location and elevation of Qihe river basin
Tab. 1 The determination of elastic parameters of land use types under different scenarios
Tab. 2 Carbon density of different land use types (t/hm²)
Tab. 3 Results of Logistic regression for different land use types of Qihe river basin in 2005
Tab. 4 Land use conversion matrix in Qihe river basin during 2005-2015 (hm²)
Fig. 2 Land use maps of 2005 and as well as simulation maps of 2015 in Qihe river basin
Fig. 3 The simulated results of land use under different scenarios of Qihe river basin in 2025
Fig. 4 Scenario comparison of land use change in the Qihe river basin during 2010-2030
Fig. 5 Carbon storage and carbon density under different scenarios of 2005, 2015, and 2025, and the change of carbon density with the increase of altitude in Qihe river basin
Fig. 6 Spatial distribution of carbon density and their changes under different scenarios of 2005, 2015 and 2025 in Qihe river basin