Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2019, Vol. 16, No. 3, pp. 96-104
Remote sensing data in land-reclamation systems and reclaimed land management assessment
N.N. Dubenok
1 , Yu.G. Yanko
2 , A.F. Petrushin
2 , R.V. Kalinichenko
1 1 Russian State Agrarian University ― Moscow Timiryazev Agricultural Academy, Moscow, Russia
2 Agrophysical Research Institute, Saint Petersburg, Russia
Accepted: 08.04.2019
DOI: 10.21046/2070-7401-2019-16-3-96-104
Water use in Russia has declined by more than 45 % since 2000 and the paper presents information on the dynamics of the main water use indicators in the country. More frequent droughts in the recent years lead to high crop losses and to a shortage of the main fodder crops. Reclaimed lands can be very productive and their sustainable use could play an important role in the state agricultural production but only with sufficient financial support. Financial resources of Russian Federation could be used to increase the area of both irrigated and drained lands to the level necessary to ensure the food security of the country. The paper provides the data on the operation of drainage ameliorative systems on agricultural lands in the conditions of precipitation repeatedly exceeding the average value. The main parameters and factors affecting the water-air regime of the soils with the expired guarantee for reclamation systems are described. The analysis of the secondary water-logging factors on the reclaimed lands has been conducted. Existing methods of soil survey allow to find out only local faults of old ameliorative systems. More accurate survey of an area where land-reclamation systems failed could be conducted remotely, from images showing the entire land-reclamation system, including the water receiver, transport channels and other hydraulic structures. The paper describes the method of remote drainage amelioration system inspection to support the repair program development for different land reclamation objects.
Keywords: remote sensing, aerial photography, methods, reclamation systems, drainage system, tubular drainage, reclamed land, siltation of drainage, food safety, irrigation systems
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