我国新疆北部积雪中痕量元素的时空分布及污染评估
王鑫,王宁练,王俊杰,申保收

Spatial and temporal distribution of trace elements in the snow cover and pollution assessment in northern Xinjiang
Xin WANG,Ninglian WANG,Junjie WANG,Baoshou SHEN
表2 新疆北部各时期积雪痕量元素含量 (ng·g-1)
Table 2 Concentration of trace elements in snow cover of different periods in northern Xinjiang
积累期(样品数=45)稳定期(样品数=49)消融期(样品数=41)
元素最大值最小值平均值SD最大值最小值平均值SD最大值最小值平均值SD
Al6 28650.71 3591 1809 462111.31 7371 8388 72150.91 3471 631
Fe5 37939.11 206987.11 1184121.21 6502 0339 72362.71 2621 676
Mn212.33.648.939.7400.06.062.875.2290.61.940.553.1
Sr136.73.133.832.3126.93.530.326.2103.61.321.521.3
Li10.80.072.21.915.50.123.03.010.90.061.92.0
Be0.540.0040.090.10.40.010.10.10.420.0020.070.1
Cr8.70.082.21.614.00.182.82.818.20.224.03.8
Co5.60.060.950.95.70.091.11.15.30.040.811.0
Ni15.40.192.62.512.20.343.12.89.20.172.51.9
Cu26.10.283.43.840.60.464.26.014.10.263.43.0
Zn85.22.417.614.036.52.514.57.951.23.2416.312.5
Ga3.10.020.60.53.10.070.680.63.20.020.570.7
As10.70.121.61.711.40.141.41.63.60.060.880.8
Cd0.60.010.060.10.550.010.060.10.20.0010.050.01
Ba143.84.029.927.588.13.027.318.3119.63.026.928.1
Pb26.30.294.84.814.00.764.82.8117.30.5115.622.5