jgg     2014 34 (5):  139-143    ISSN: 0412-1961  CN: 21-1139/TG ANALYSIS OF THE CHARACTERISTICS OF GPS PRECIPITABLE  WATER VAPOR IN ARCTIC YELLOW RIVER STATION 1）Chinese Antarctic Center of Surveying and Mapping，Wuhan 430079 2）City Exploring and Surveying Institute of Jinan，Jinan 250013 Received: 2013-06-21  Revised: null  Online: 2014-09-26 Supporting info