Climate

Precipitation totals for the period with stable temperature above 10° .

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Authors:

Afonin, A.N., Lee, Y. S., Lipiyaynen, K.L., Tsepelev, V.Y.

Compilation date:

15.10.2005.

Scale:

10 km/pix.

Map's precision:

The map contains precipitation totals for the period with stable temperature above 10° for patches of Earth's surface with the area 10 х 10 km. The layer is derivative and has been derived by way of calculation on the basis of mean monthly air temperature and mean monthly precipitation amount layers.

Projection:

"Albers Equal Area for the USSR":
ref. system : Albers Equal Area Conic for Russia
projection : Albers Equal Area Conic
datum : Pulkovo 1942 (S42)
delta WGS84 : 28 -130 -95
ellipsoid : Krasovsky
major s-ax : 6378245.000
minor s-ax : 6356863.019
origin long : 100
origin lat : 0
origin X : 0
origin Y : 0
scale fac : na
units : m
parameters : 2
stand ln 1 : 44
stand ln 2 : 68

Main content:

A bitmapped map containing precipitation totals for the period with stable temperature above 10°.

Classifier precision:

Precipitation totals are expressed in mm.

Map compilation procedure:

The layer is derivative and has been derived by way of calculation on the basis of mean monthly air temperature and mean monthly precipitation amount layers (Afonin, A.N., Li, Y. S., Lipiyaynen, K.L., Tsepelev, V.Y., 2006). The calculation has been carried out by general method (Losev, A.P., 1994) in Idrisi program using macro-programming. "-100" - designation of pixels outside the Atlas.

Data sources:

Afonin, A.N., Li, Y. S., Lipiyaynen, K.L., Tsepelev, V.Y. (St. Petersburg State University, Faculty of Geography, St. Petersburg, Russia). Averaged Mean Annual Air Temperature and Precipitation Maps In: Afonin, A.N.; Greene, S.L.; Dzyubenko, N.I.; Frolov, A.N. On-Line Atlas of Useful Plants Their Pests and Ecological Factors of Russia and Neighboring Countries [Internet version 1.0]. St. Petersburg, Russia. St. Petersburg State University, Faculty of Geography. 2006, Jan. http://www.agroatlas.ru
Losev, A.P. Practical Training in Agricultural Meteorological Assistance to Plant Cultivation: St. Petersburg, Gidrometeoizdat Publishers, 1994. 244 p.
 

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