DOI: 10.1016/j.accre.2017.05.008
Scopus记录号: 2-s2.0-85020817438
论文题名: Alpine grassland fPAR change over the Northern Tibetan Plateau from 2002 to 2011
作者: Chen B.-X. ; Zhang X.-Z. ; Sun Y.-F. ; Wang J.-S. ; He Y.-T.
刊名: Advances in Climate Change Research
ISSN: 16749278
出版年: 2017
卷: 8, 期: 2 起始页码: 108
结束页码: 116
语种: 英语
英文关键词: Alpine grassland
; Climate change
; fPAR
; MODIS
; Northern Tibetan Plateau
英文摘要: In this study, two different methods including Digital Camera and Reference Panel (DCRP) and traditional in situ fPAR observation for measuring the in situ point fPAR of very short alpine grass vegetation were compared, and the Moderate Resolution Imaging Spectroradiometer (MODIS) fPAR products were evaluated and validated by in situ point data on the alpine grassland over the Northern Tibetan Plateau, which is sensitive to climate change and vulnerable to anthropogenic activities. Results showed that the MODIS alpine grassland fPAR product, examined by using DCRP, and traditional in situ fPAR observation had a significant relationship at the spatial and temporal scales. The decadal MODIS fPAR trend analysis showed that, average growing season fPAR increased by 1.2 × 10−4 per year and in total increased 0.86% from 2002 to 2011 in alpine grassland, when most of the fPAR increments occurred in southeast and center of the Northern Tibetan Plateau, the alpine grassland tended to recover from degradation slightly. However, climatic factors have influenced the various alpine grassland vegetation fPAR over a period of 10 years; precipitation significantly affected the alpine meadow fPAR in the eastern region, whereas temperature considerably influenced the alpine desert steppe fPAR in the west region. These findings suggest that the regional heterogeneity in alpine grassland fPAR results from various environmental factors, except for vegetation characteristics, such as canopy structure and leaf area. © 2017 National Climate Center (China Meteorological Administration) Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/58805
Appears in Collections: 气候变化与战略
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作者单位: Rural Energy & Environment Agency, Ministry of Agriculture of the People's Republic of China, Beijing, China; Lhasa Plateau Ecosystem Research Station, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Science, Beijing, China
Recommended Citation:
Chen B.-X.,Zhang X.-Z.,Sun Y.-F.,et al. Alpine grassland fPAR change over the Northern Tibetan Plateau from 2002 to 2011[J]. Advances in Climate Change Research,2017-01-01,8(2)