%0 Journal Article %T THE USE OF GEOGRAPHIC INFORMATION PROGRAMS TO CONSTRUCT A DIGITAL ELEVATION MODEL OF THE CATCHMENT AREA OF THE CHIR RIVER %A Zubkov, A.Y. %A Mulin, M.O. %A Shirokova, V.A. %K GIS technologies, geographic information programs, drainage area, Tsimlyansk reservoir, Chir River, central relief model. %J International Journal of Applied Sciences and Technology Integral %D 2024 %N 0 %P 9 %I Electronic science