Abstract:

Since 2005,Chinese Arctic National Research Expediton(CHINARE) has been carried out high precise GPS measurements on two glaciers, Austre Lovénbreen and Pedersenbreen nearby Chinese Arctic Yellow River station, acquired precise locations of observation poles on the two glaciers. On April 2009, CHINARE acquired high density GPS point positioning data on the two glaciers with Novatel SMART-V1 GPS instrument, which is a kind of integrated single frequency GPS receiver. This paper introduced the field work of topographic surveying with SMART-V1 GPS, analyzed the possibility to use the single frequency GPS point positioning data for topographic surveying on glaciers, and acquired the DEM of glaciers’ surface. Then produced contour lines in Arcmap and exported contour data into CorelDraw for mapping. The precision of adjusted GPS point positioning data reach 0.78m in altitude apart. This is less than the altitude change in seasonal wave and the year-around melting. As a widely used part in pulseEKKO GPR, the SMART-V1 GPS receiver is capable of topographic surveying on glaciers. And the data processing method in this paper is of reference for similar works.

Key words: Chinese Arctic Yellow River station, glacier, GPS, topographic map