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2016 | OriginalPaper | Buchkapitel

Assessment of Spatio-Temporal Vegetation Productivity Pattern Based on MODIS-NDVI and Geo-Correlation Analysis

verfasst von : Zhenyu Wang, Gaole Li, Yiru Dai, Zhibo Wang, Zongyao Sha

Erschienen in: Geo-Informatics in Resource Management and Sustainable Ecosystem

Verlag: Springer Berlin Heidelberg

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Abstract

This paper explored the spatio-temporal patterns of vegetation productivity based on MODIS-NDVI and spatial auto-correlation analysis in the grassland of Inner Mongolia, China during 2011–2013. Two statistics indices, i.e., spatial auto-correlation and semi variance function, were applied in the analysis. The results showed that: (1) at regional scale, the NDVI presented a positive spatial auto-correlation, while at local scope NDVI showed high-high auto-correlation in the eastern part of the study region where the vegetation cover was relatively best. In contrast, NDVI displayed low-low auto-correlation in the western area where the vegetation cover was poor. (2) During 2011 to 2013, the structural factors explained 70 % of the total spatial variations impacting the vegetation cover, and the annual precipitation also played a significant role in the spatial variation of vegetation cover.

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Metadaten
Titel
Assessment of Spatio-Temporal Vegetation Productivity Pattern Based on MODIS-NDVI and Geo-Correlation Analysis
verfasst von
Zhenyu Wang
Gaole Li
Yiru Dai
Zhibo Wang
Zongyao Sha
Copyright-Jahr
2016
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-662-49155-3_70

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