Articles | Volume 6, issue 4
https://doi.org/10.5194/se-6-1185-2015
https://doi.org/10.5194/se-6-1185-2015
Research article
 | 
03 Nov 2015
Research article |  | 03 Nov 2015

MODIS normalized difference vegetation index (NDVI) and vegetation phenology dynamics in the Inner Mongolia grassland

Z. Gong, K. Kawamura, N. Ishikawa, M. Goto, T. Wulan, D. Alateng, T. Yin, and Y. Ito

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Cited articles

Akiyama, T. and Kawamura K.: Vegetation changes and land degradation of steppe in Inner Mongolia, Special issue for Digital Asia for Agriculture and Environment, Journal of Japan Agriculture System Society, 19, 12–22 (CD-ROM), 2003 (Japanese with English summary).
Bai, Y. F., Han, X. G., Wu, J. G., Chen, Z. Z., and Li, L. H.: Ecosystem stability and compensatory effects in the Inner Mongolia grassland, Nature, 431, 181–184, 2004.
Butt, B., Turner, W. D., Singh, A., and Brottem, L.: Use of MODIS NDVI to evaluate changing latitudinal gradients of rangeland phenology in Sudano-Sahelian West Africa, Remote Sens. Environ., 115, 3367–3376, 2011.
Cao, L., Xu, J. H., Chen, Y. N., Li, W. H., Yang, Y., Hong, Y. L., and Li, Z.: Understanding the dynamic coupling between vegetation cover and climatic factors in a semiarid region-a case study of Inner Mongolia, China, Ecohydrology, 6, 917–926, 2013.
Chen, J., Jönsson, P., Tamura, M., Gu, Z. H., Matsushita, B., and Eklundh, L.: A simple method for reconstructing a high-quality NDVI time-series data set based on the Savitzky-Golay filter, Remote Sens. Environ., 91, 332–344, 2004.
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Short summary
This study evaluated trends in vegetation cover and phenology dynamics in the Inner Mongolia grassland by applying a normalized difference vegetation index (NDVI) time series obtained by the Terra Moderate Resolution Imaging Spectroradiometer (MODIS) during 2002–2014. The positive trends of the cumulative annual NDVI (77.10%) could be interpreted as an increase in plant productivity in the Inner Mongolia permanent grassland. And the growing season has lengthened by 10.86 days.