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SPATIO-TEMPORAL VARIATION AND DRIVING FORCES IN ALPINE GRASSLAND PHENOLOGY IN THE ZOIGÊ PLATEAU FROM 2001-2013
Language英语
Xia Haoming1,2; Li Ainong1; Zhao Wei1; Jin, Huaan1; Lei, Guangbin1,2; Bian, Jinhu1,2; Tan, Jianbo1
Corresponding AuthorLi Ainong
2014
Source PublicationJoint 2014 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2014 and the 35th Canadian Symposium on Remote Sensing, CSRS 2014 ; 2014 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
Pages2181-2184
Conference DateJuly 13, 2014 - July 18, 2014
Conference PlaceQuebec City, QC, Canada
PublisherInternational Geoscience and Remote Sensing Symposium (IGARSS)
Funding OrganizationIEEE
AbstractBased on the HANTS and dynamic threshold method, the spatio-temporal changes of the alpine grassland phenology in the Zoig&ecire; plateau was analyzed by using MODIS EVI data from 2001 to 2013. The results were found as follows: (1) The spatial distribution of the average vegetation phenology from 2001 to 2013 is closely related to the water and heat conditions. Accompanying the deterioration in heat and water conditions from low altitude to high altitude and south to north, SOG(start of growing season) was delayed gradually, EOG(end of growing season) advanced slowly, and LOG(long of growing season) shortened gradually. Water played an important role in the regional differentiation of phenology (2) From 2001 to 2013, SOG came earlier by 0.6d/a, EOG was late by 0.2d/a, and LOG lengthened by 0.8d/a. The inter-annual phenology changes of the vegetation exhibited significant differences at different elevations and water condition. (3) Heat and moisture is the main ecological factor influencing the growth of plant. Temperature responses of phenology significantly became stronger with increasing cumulative preseason precipitation.
KeywordPhenology Alpine Grassland Evi Hants Dynamic Threshold Zoigê Plateau
DOI10.1109/IGARSS.2014.6946900
ISBN9781479957750
Indexed ByEI
Accession number14716023
WOS IDWOS:000349688103045
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17228
Collection数字山地与遥感应用中心
Affiliation1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China
2.University of Chinese Academy of Sciences, Beijing, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Xia Haoming,Li Ainong,Zhao Wei,et al. SPATIO-TEMPORAL VARIATION AND DRIVING FORCES IN ALPINE GRASSLAND PHENOLOGY IN THE ZOIGÊ PLATEAU FROM 2001-2013[C]:International Geoscience and Remote Sensing Symposium (IGARSS),2014:2181-2184.
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