Vegetation phenology from multi-temporal EOS MODIS data

Xinfang Yu; Dafang Zhuang; Siqing Chen; Xiyong Hou; Hua Chen

doi:10.1117/12.560250

15 September 2004 Vegetation phenology from multi-temporal EOS MODIS data

Xinfang Yu, Dafang Zhuang, Siqing Chen, Xiyong Hou, Hua Chen

Proceedings Volume 5549, Weather and Environmental Satellites; (2004) https://doi.org/10.1117/12.560250
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Vegetation phenology is an important variable in a wide variety of Earth and atmospheric science applications. The role of remote sensing in phenological studies is increasingly regarded as a key to understanding large area seasonal phenomena. This paper describes the application of Moderate Resolution Imaging Spectroradiometer (MODIS) time series data for forest phenology analysis. The phenology of forest covering Northeast China and its spatial characteristics were investigated using MODIS normalized difference vegetation index (NDVI) data. Threshold-based method was used to estimate three key forest phenological variables: start of growing season (SOS), end of growing season (EOS) and the growing season length (GSL). The spatial pattern of key phenological stages were mapped and analyzed. The derived phenological variables were validated by referring to previous research achievements in this study area. The phenological pattern of Changbaishan Reserve was compared with the distribution of forest types. Results indicate that spatial characteristics of vegetation phenology are corresponding with the distribution of vegetation types and the phenology information can be used to improve vegetation classification accuracy as an auxiliary variable.

Citation Download Citation

Xinfang Yu, Dafang Zhuang, Siqing Chen, Xiyong Hou, and Hua Chen "Vegetation phenology from multi-temporal EOS MODIS data", Proc. SPIE 5549, Weather and Environmental Satellites, (15 September 2004); https://doi.org/10.1117/12.560250

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