气候变化领域集成服务门户(CCPortal): Evaluation of Land Surface Models in Reproducing Satellite Derived Leaf Area Index over the High-Latitude Northern Hemisphere. Part II: Earth System Models

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DOI	10.3390/rs5083637
	Evaluation of Land Surface Models in Reproducing Satellite Derived Leaf Area Index over the High-Latitude Northern Hemisphere. Part II: Earth System Models
	Anav, Alessandro; Murray-Tortarolo, Guillermo; Friedlingstein, Pierre; Sitch, Stephen; Piao, Shilong; Zhu, Zaichun
通讯作者	Anav, A (通讯作者)
发表日期	2013
EISSN	2072-4292
起始页码	3637
结束页码	3661
卷号	5 期号:8
英文摘要	Leaf Area Index (LAI) is a key parameter in the Earth System Models (ESMs) since it strongly affects land-surface boundary conditions and the exchange of matter and energy with the atmosphere. Observations and data products derived from satellite remote sensing are important for the validation and evaluation of ESMs from regional to global scales. Several decades' worth of satellite data products are now available at global scale which represents a unique opportunity to contrast observations against model results. The objective of this study is to assess whether ESMs correctly reproduce the spatial variability of LAI when compared with satellite data and to compare the length of the growing season in the different models with the satellite data. To achieve this goal we analyse outputs from 11 coupled carbon-climate models that are based on the set of new global model simulations planned in support of the IPCC Fifth Assessment Report. We focus on the average LAI and the length of the growing season on Northern Hemisphere over the period 1986-2005. Additionally we compare the results with previous analyses (Part I) of uncoupled land surface models (LSMs) to assess the relative contribution of vegetation and climatic drivers on the correct representation of LAI. Our results show that models tend to overestimate the average values of LAI and have a longer growing season due to the later dormancy. The similarities with the uncoupled models suggest that representing the correct vegetation fraction with the associated parameterizations; is more important in controlling the distribution and value of LAI than the climatic variables.
关键词	DIFFERENCE VEGETATION INDEX GROWING-SEASON LENGTH CLIMATE MODEL CIRCULATION MODEL CARBON BALANCE BOREAL FOREST SOIL-MOISTURE PHENOLOGY ALBEDO CYCLE
英文关键词	LAI; CMIP5; Earth System Models; leaf phenology; remote sensing of vegetation
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS记录号	WOS:000328626100001
来源期刊	REMOTE SENSING
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/258209
推荐引用方式 GB/T 7714	Anav, Alessandro,Murray-Tortarolo, Guillermo,Friedlingstein, Pierre,et al. Evaluation of Land Surface Models in Reproducing Satellite Derived Leaf Area Index over the High-Latitude Northern Hemisphere. Part II: Earth System Models[J]. 中国科学院青藏高原研究所,2013,5(8).
APA	Anav, Alessandro,Murray-Tortarolo, Guillermo,Friedlingstein, Pierre,Sitch, Stephen,Piao, Shilong,&Zhu, Zaichun.(2013).Evaluation of Land Surface Models in Reproducing Satellite Derived Leaf Area Index over the High-Latitude Northern Hemisphere. Part II: Earth System Models.REMOTE SENSING,5(8).
MLA	Anav, Alessandro,et al."Evaluation of Land Surface Models in Reproducing Satellite Derived Leaf Area Index over the High-Latitude Northern Hemisphere. Part II: Earth System Models".REMOTE SENSING 5.8(2013).