NDLI: Multilevel assessment of spatiotemporal variability of vegetation in subtropical mountain-hill region

Content Provider	Springer Nature Link
Author	Qiu, Bing wen Zeng, Can ying Tang, Zheng hong
Copyright Year	2013
Abstract	The complex spatiotemporal vegetation variability in the subtropical mountain-hill region was investigated through a multi-level modeling framework. Three levels — parcel, landscape, and river basin levels-were selected to discover the complex spatiotemporal vegetation variability induced by climatic, geomorphic and anthropogenic processes at different levels. The wavelet transform method was adopted to construct the annual maximum Enhanced Vegetation Index and the amplitude of the annual phenological cycle based on the 16-day time series of 250m Moderate Resolution Imaging Spectroradiometer Enhanced Vegetation Index datasets during 2001–2010. Results revealed that land use strongly influenced the overall vegetation greenness and magnitude of phenological cycles. Topographic variables also contributed considerably to the models, reflecting the positive influence from altitude and slope. Additionally, climate factors played an important role: precipitation had a considerable positive association with the vegetation greenness, whereas the temperature difference had strong positive influence on the magnitude of vegetation phenology. The multilevel approach leads to a better understanding of the complex interaction of the hierarchical ecosystem, human activities and climate change.
Starting Page	1028
Ending Page	1038
Page Count	11
File Format	PDF
ISSN	16726316
Journal	Journal of Mountain Science
Volume Number	10
Issue Number	6
e-ISSN	19930321
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-11-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Enhanced Vegetation Index Multilevel model Wavelet transform Mountain-hill region Spatiotemporal variability Earth Sciences Geography (general) Environment Ecology
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Geography, Planning and Development Geology Global and Planetary Change Nature and Landscape Conservation

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