季风期前后西藏纳木错湖水及入湖河流水化学特征变化

王君波, 鞠建廷, 朱立平

Water Chemistry Variations of Lake and Inflowing Rivers Between Pre- and Post-monsoon Season in Nam Co,Tibet

Jun-bo WANG, Jian-ting JU, Li-ping ZHU

表4 纳木错周边16条河流主要离子含量变化（10月下旬相比于5月中旬）的统计量（%）

Table 4 Statistics of variation of major ions concentrations from the 16 rivers around Nam Co(%) (data in late October compared to that of middle May)

统计量 Na+ K+ Mg2+ Ca2+ F- Cl- NO3- SO42- HCO3- 最小值 -12.13 -30.90 10.57 9.05 -47.94 -59.09 -87.85 -0.86 6.07 平均值 22.30 2.75 42.56 35.60 -10.30 -33.30 -7.77 33.62 41.25 最大值 80.70 30.07 91.95 70.52 20.40 -9.33 57.04 86.35 82.72