气候变化领域集成服务门户(CCPortal): INTEGRATING REMOTELY SENSED LAI WITH EPIC MODEL BASED ON GLOBAL OPTIMIZATION ALGORITHM FOR REGIONAL CROP YIELD ASSESSMENT

CCPortal

DOI	10.1109/IGARSS.2010.5654060
	INTEGRATING REMOTELY SENSED LAI WITH EPIC MODEL BASED ON GLOBAL OPTIMIZATION ALGORITHM FOR REGIONAL CROP YIELD ASSESSMENT
	Ren, Jianqiang; Yu, Fushui; Qin, Jun; Chen, Zhongxin; Tang, Huajun
通讯作者	Chen, ZX (通讯作者)
发表日期	2010
ISSN	2153-6996
起始页码	2147
结束页码	2150
英文摘要	Assimilating external data into crop growth model to improve accuracy of crop growth monitoring and yield estimation has been being a research hotspot in recent years. In this paper, the global optimization algorithm SCE-UA (Shuffled Complex Evolution method - University of Arizona) was used to integrate remotely sensed leaf area index (LAI) with crop growth model EPIC to simulate regional yield, sowing date, plant density and net nitrogen fertilizer application rate of summer maize in Huanghuaihai Plain. The final results showed that average relative error of estimated summer maize yield was 4.37% and RMSE was 0.44t/ha. Meanwhile, compared with actual observation and investigation data, average relative error of simulated sowing date, plant density and net N fertilization application rate was 1.85%, -7.78% and -10.60% respectively. These above accuracy of simulated results could meet the need of crop monitoring at regional scale. It was proved that integrating remotely sensed LAI with EPIC model based on global optimization algorithm SCE-UA for simulation of crop growth condition and crop yield was feasible.
关键词	ASSIMILATION
英文关键词	Crop growth model; EPIC; data assimilation; remote sensing; global optimization algorithm; yield estimation; LAI
语种	英语
WOS研究方向	Geology ; Remote Sensing
WOS类目	Geosciences, Multidisciplinary ; Remote Sensing
WOS记录号	WOS:000287933802074
来源期刊	2010 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM
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/257770
推荐引用方式 GB/T 7714	Ren, Jianqiang,Yu, Fushui,Qin, Jun,et al. INTEGRATING REMOTELY SENSED LAI WITH EPIC MODEL BASED ON GLOBAL OPTIMIZATION ALGORITHM FOR REGIONAL CROP YIELD ASSESSMENT[J]. 中国科学院青藏高原研究所,2010.
APA	Ren, Jianqiang,Yu, Fushui,Qin, Jun,Chen, Zhongxin,&Tang, Huajun.(2010).INTEGRATING REMOTELY SENSED LAI WITH EPIC MODEL BASED ON GLOBAL OPTIMIZATION ALGORITHM FOR REGIONAL CROP YIELD ASSESSMENT.2010 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM.
MLA	Ren, Jianqiang,et al."INTEGRATING REMOTELY SENSED LAI WITH EPIC MODEL BASED ON GLOBAL OPTIMIZATION ALGORITHM FOR REGIONAL CROP YIELD ASSESSMENT".2010 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (2010).