基于高分辨率格点数据的1961-2013年青藏高原雪雨比变化

王杰, 张明军, 王圣杰, 任正果, 车彦军, 张富现

Change of snowfall/rainfall ratio in the Tibetan Plateau based on a gridded dataset with high resolution during 1961-2013

Jie WANG, Mingjun ZHANG, Shengjie WANG, Zhengguo REN, Yanjun CHE, Fuxian ZHANG

表2 1961-2013年青藏高原降水量,降雨量,降雪量和雪雨比的突变

Tab. 2 Abrupt analysis of precipitation, rainfall, snowfall and snowfall/rainfall ratio in the Tibetan Plateau during 1961-2013

突变年份 突变前均值 突变后均值 突变后与突变前数值差 降水量(mm) 2005 433.4 469.3 35.9 降雨量(mm) 2004 266.4 318.8 52.4 降雪量(mm) 1996 172.1 151.8 -20.3 雪雨比(%) 1998 70 50 -20