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ODESSA STATE ENVIRONMENTAL UNIVERSITY
Modeling and assessment of pollution radiocesium culture winter wheat in
the Zhytomyr region
Работа выполнена магистром ОГЭкУЖигайло Т.С
Руководитель: доц., к. геогр. н. Вольвач О.В.
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OBJECTIVES:
1.Estimate the density of contamination of agricultural land,
Zhytomyr region.
2. Modeled the radiocesium contamination of winter wheat yield.
3. Construct maps of the contamination of agricultural land and contamination of grain of winter wheat in the Zhitomir region.
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1986
Ки/км2
CONTAMINATION CESIUM-137 ZHYTOMIR REGION
2006
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Unit of background information
Unitof radiation,
water and heatregimes
Unit of mineral power unit accumulation
of radionuclides
Unitof breathing
Reproductiveorgans
Unit
of photosynthesis
Unit of growth and distribution of assimilates and
radionuclides
Leaves Stems Roots
Mass of
crop The content of
radionuclides
The quantity, quality and environmental cleanliness of
crop
Useful organic
substances
DYNAMICS MODEL OF WINTER WHET PRODUCTIVITY
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UNIT ACCUMULATION OF RADIONUCLIDES
MODELING DYNAMICS OF
BIOMASS
MODELINGLEAVES AREA
MODELING DYNAMICS OF
RADIONUCLIDES
ACCUMULATION
AGROCHEMICALACTIVITIES TO
REDUCE
POLLUTION
ACCUMULATION OF RADIONUCLIDES IN THE TOTAL MASS
OF PLANTS
RADIONUCLIDE ACCUMULATION
IN ECONOMICALLY USEFUL PART
THE RADIONUCLIDE CONTENT IN THE PROCESSED PRODUCTS
MODELING DYNAMICS OF BIOMASS
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The basic formulas model of the formation radionuclide activity in the system
soil - plant - product
Ci(t)= Ci,l (t) + Ci,r(t) (1)
]t)(exp[YA
)t(C rwi
il,i (2)
]t)(exp[LA
)t(C rfss
s
Axim = (FpH Fgum FKO )0,333
(3)Ci,r(t) = [TFі Cs(t)]Axim (1-Fud /Fizv)
(4)
(5)
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Distribution of assimilates and radionuclides:
0
0,2
0,4
0,6
0,8
1
1 2 3 4 5 6 7 8 9 10 11Корни Колосья Листья Стебли decades
Ck(t) = Ck0(t-tрk)Pk
(6)
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CONTAMINATION OF WINTER WHEAT GRAIN INTHE TERRITORY OF ZHYTOMIR REGION CESIUM-137
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THANK YOU
FOR
ATTENTION