The main objective of this research work was to study the accuracy GNSS code receivers under poor sky visibility conditions based on measurements three different objects (point, line, and surface) additionally test results point positioning with good conditions. measurement 3 smartphones (in same mode check repeatability) 2 handheld (working in GPS+GLONASS modes). methodology RTK technique, who...

in this research, using an expansive channel in plan and along the longitudinal profile, deltaic reservoir sedimentation was studied. sedimentation in bed load governed conditions and delta formation in reservoir environment is a function of various parameters such as: geometrical shape of reservoir, bottom slope, hydrological properties and hydraulic conditions of inflowing stream, sediment lo...