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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2014, Vol. 11, No. 4, pp. 244-253

Analysis of the seasonal dynamics of NDVI index and the reflective properties of corn in the Belgorod Region

E.A. Terekhin 
Belgorod State National Research University
Federal and Regional Centre for Aerospace Monitoring of Natural Resources
Belgorod 308015, Russia
The results of studies of the dynamics of spectral index NDVI for crops of corn grown in the Belgorod region are presented. NDVI values based on the MOD13Q1 obtained on the basis of MODIS data at intervals of 16 days were studied. Seasonal values of the spectral index in the period from March 5 to December 2, 2012 on the basis of data from 150 agricultural fields were analyzed. The study showed that the maximum value of the index for corn in the region is characterized by a period of the end of June and the first half of July. In the same period, the index values for corn are the least spread around the mean value for the entire period of vegetation. It is established that the fields with corn differing in terms of the sowing season, differ significantly by the values NDVI till the beginning / the first half of July. Analysis of the spectral reflection properties of corn from Landsat ETM+ data shows that in the Belgorod region in the first half of July, the spectral characteristics of corn are maximally different from the spectral characteristics of other cultures in the near and mid-infrared ranges. By the end of July, such differences are not observed.
Keywords: corn, remote sensing data, NDVI, Landsat ETM+, MODIS, Belgorod region.
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