气候变化领域集成服务门户(CCPortal): Sensitivity of land use change emission estimates to historical land use and land cover mapping

CCPortal

DOI	10.1002/2015GB005360
	Sensitivity of land use change emission estimates to historical land use and land cover mapping
	Peng, Shushi; Ciais, Philippe; Maignan, Fabienne; Li, Wei; Chang, Jinfeng; Wang, Tao; Yue, Chao
通讯作者	Peng, SS (通讯作者)
发表日期	2017
ISSN	0886-6236
EISSN	1944-9224
起始页码	626
结束页码	643
卷号	31 期号:4
英文摘要	The carbon emissions from land use and land cover change (E-LUC) are an important anthropogenic component of the global carbon budget. Yet these emissions have a large uncertainty. Uncertainty in historical land use and land cover change (LULCC) maps and their implementation in global vegetation models is one of the key sources of the spread of E-LUC calculated by global vegetation models. In this study, we used the Organizing Carbon and Hydrology in Dynamic Ecosystems terrestrial biosphere model to investigate how the different transition rules to define the priority of conversion from natural vegetation to agricultural land affect the historical reconstruction of plant functional types (PFTs) and E-LUC. First, we reconstructed 10 sets of historical PFT maps using different transition rules and two methods. Then, we calculated E-LUC from these 10 different historical PFT maps and an additional published PFT reconstruction, using the difference between two sets of simulations (with and without LULCC). The total area of forest loss is highly correlated with the total simulated E-LUC (R-2 = 0.83, P<0.001) across the reconstructed PFT maps, which indicates that the choice of transition rules is a critical (and often overlooked) decision affecting the simulated E-LUC. In addition to the choice of a transition rule, the initial land cover map and the reconstruction method for the reconstruction of historical PFT maps have an important impact on the resultant estimates of E-LUC.
关键词	ENVIRONMENT SIMULATOR JULES TERRESTRIAL ECOSYSTEMS MODEL DESCRIPTION USE TRANSITIONS CARBON FLUXES CO2 EMISSIONS WOOD-HARVEST NET ATMOSPHERE CLIMATE
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000401129200001
来源期刊	GLOBAL BIOGEOCHEMICAL CYCLES
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/259072
推荐引用方式 GB/T 7714	Peng, Shushi,Ciais, Philippe,Maignan, Fabienne,et al. Sensitivity of land use change emission estimates to historical land use and land cover mapping[J]. 中国科学院青藏高原研究所,2017,31(4).
APA	Peng, Shushi.,Ciais, Philippe.,Maignan, Fabienne.,Li, Wei.,Chang, Jinfeng.,...&Yue, Chao.(2017).Sensitivity of land use change emission estimates to historical land use and land cover mapping.GLOBAL BIOGEOCHEMICAL CYCLES,31(4).
MLA	Peng, Shushi,et al."Sensitivity of land use change emission estimates to historical land use and land cover mapping".GLOBAL BIOGEOCHEMICAL CYCLES 31.4(2017).