Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 2, pp. 272-276
Analysis of winter crops development in the southern regions of the European part of Russia in spring of 2018 with use of remote monitoring
E.A. Loupian
1 , S.А. Bartalev
1 , Yu.S. Krasheninnikova
1 , D.E. Plotnikov
1 , V.A. Tolpin
1 , I.A. Uvarov
1 1 Space Research Institute RAS, Moscow, Russia
Accepted: 24.04.2018
DOI: 10.21046/2070-7401-2018-15-2-272-276
During the spring of 2018 in the southern regions of Russia, the dynamics of the development of winter crops demonstrate the abnormally early development pattern, similar to one observed in 2016. Meanwhile in the regions closer to North, the development is going on rather close to the multi-year average, or even slower. In this paper we present brief results of the analysis of the observed situation. Maps of deviations of the vegetation index from the “normal” values for winter and spring crops in the southern regions of Russia for the 15th week of 2018 and 2016 are given. The data presented show that in 2018, in a significant number of areas in the Republic of Crimea, Krasnodar and Stavropol regions, the average NDVI values of winter crops exceed the “norm” by more than 25 % and there are hardly any areas having NDVI deviations below the norm. The paper presents the detailed study of the winter crops development in the Republic of Crimea and Krasnodar based on joint analysis of NDVI, accumulated precipitation and accumulated temperature dynamics. It should be noted that due to the early development of winter crops in Crimea and Krasnodar regions, the further development of winter crops may experience problems with lack of moisture. Nearly the same can be found in many other regions of the North Caucasus. Rapid development of winter crops has also been detected in the southern areas of Rostov and Volgograd regions, where the winter crops development is mainly ahead of the “normal” development schedule. In the Northern areas of these regions, the development was on schedule, corresponding to the norm or worse, until the 15th week of 2018. In the regions closer to North, NDVI statistics were not yet stable until the week considered, as in many cases the fields were covered with snow or clouds. The paper notes that if assessing the potential yield of winter crops, it should also be borne in mind, that according to the satellite based detection, the area of autumn sprouted winter crops is comparable to the average annual rate or exceeds it in the southern regions of the European part of Russia, where rapid development currently takes place. The exception is the Republic of Crimea, where the area of autumn sprouted winter crops is mainly almost twice lower than the average.
Keywords: crops monitoring, Earth observation satellite systems, remote sensing
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