QQ客服 官方微博 反馈留言

	Forest Phenology Dynamics and Its Responses to Meteorological Variations in Northeast China
	Wang Y.
	2014
关键词	difference vegetation index time-series satellite data growing-season climate-change green-up modis temperature region ndvi
英文摘要	Based on time series of Moderate Resolution Imaging Spectroradiometer (MODIS) Enhanced Vegetation Index (EVI) data (2000-2009), we extracted forest phenological variables in Northeast China using a threshold-based method, which included the start of the growing season (SOS), end of the growing season (EOS), and length of the growing season (LOS). The spatial variation of phenological trends was analyzed using the linear regression method. In Northeast China, SOS was delayed at the rate of <1.5 days per year. The delay trend of EOS was well distributed in the entire region with almost the same rates. LOS increased slightly. The analysis of the relationship between forest phenology and meteorological variations shows that SOS was mainly affected by spring temperature, whereas SOS had a negative relationship with precipitation in the warm-temperate deciduous broadleaf forest region. The EOS in temperate steppe region was affected by temperature and precipitation in August, whereas the others were significantly affected by temperature. Because of the increased temperature in spring, the LOS of the temperate steppe region and temperate mixed forest region increased, and the LOS was positively correlated with the mean temperature of summer in the cool-temperate needleleaf forest region.
出处	Advances in Meteorology
收录类别	SCI
语种	英语
ISSN号	1687-9309
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/29438]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Wang Y.. Forest Phenology Dynamics and Its Responses to Meteorological Variations in Northeast China. 2014.

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。