浑善达克沙地风蚀物粒度和元素分异特征

娄俊鹏, 蔡迪文, 马文勇, 焦琳琳

Grain size and element differentiation during aeolian processe in Otindag Sandy Land

Junpeng Lou, Diwen Cai, Wenyong Ma, Linlin Jiao

表3 不同风速下风蚀物元素含量

Table 3 The concentration of chemical elements in wind blow sediment at different wind velocity

元素含量 风速/（m·s-1） 8 10 12 14 16 18 20 22 Al2O3/% 9.01 9.12 8.80 8.84 8.27 8.16 8.35 8.27 CaO/% 1.64 1.52 1.34 1.35 1.18 1.22 1.13 1.19 Fe2O3/% 2.01 1.98 1.87 1.67 1.72 1.66 1.68 1.62 K2O/% 3.01 3.04 2.99 2.96 2.87 2.89 2.83 2.84 MgO/% 0.61 0.60 0.56 0.54 0.50 0.50 0.47 0.49 Na2O/% 2.14 1.97 1.91 1.79 1.97 1.84 1.78 1.79 Ti/(mg·kg-1) 2 033.63 1 865.10 1 624.62 1 525.46 1 410.91 1 428.78 1 425.96 1 393.84 P/(mg·kg-1) 443.66 418.46 399.27 308.63 423.21 365.48 357.10 332.35 Ba/(mg·kg-1) 728.41 726.54 689.41 704.10 663.93 689.00 647.65 684.85 Cr/(mg·kg-1) 51.40 54.33 70.37 44.12 42.79 39.64 39.15 37.80 Li/(mg·kg-1) 15.96 16.23 15.05 14.66 14.20 14.27 13.48 13.78 Mn/(mg·kg-1) 293.47 298.42 267.88 250.17 247.62 234.39 232.61 228.05 Ni/(mg·kg-1) 10.03 10.52 9.86 9.05 8.65 8.66 8.65 8.28 Yb/(mg·kg-1) 1.25 1.17 1.12 1.08 1.14 1.01 1.13 1.06 Lu/(mg·kg-1) 0.18 0.18 0.17 0.16 0.15 0.15 0.16 0.15 Mo/(mg·kg-1) 0.66 0.96 1.46 1.40 1.19 0.86 0.71 0.82 Be/(mg·kg-1) 1.41 1.37 1.30 1.27 1.20 1.27 1.21 1.19 Y/(mg·kg-1) 13.20 13.08 11.78 11.66 11.01 10.90 11.65 11.10 La/(mg·kg-1) 18.35 18.37 16.73 16.40 14.73 15.83 14.07 15.72 Bi/(mg·kg-1) 0.16 0.16 0.15 0.15 0.14 0.14 0.13 0.14 U/(mg·kg-1) 0.84 0.77 0.74 0.70 0.64 0.69 0.64 0.69 Pr/(mg·kg-1) 3.37 3.38 3.03 2.94 2.65 2.93 2.58 2.81 V/(mg·kg-1) 33.19 33.27 30.24 29.60 26.13 28.33 27.79 28.06 Cu/(mg·kg-1) 26.13 23.10 18.47 18.24 19.19 18.84 16.28 19.70 Zn/(mg·kg-1) 52.39 43.59 39.85 38.09 39.88 40.88 36.21 36.99 Ag/(mg·kg-1) 0.04 0.05 0.04 0.03 0.04 0.04 0.04 0.04 Cd/(mg·kg-1) 0.07 0.07 0.06 0.05 0.05 0.05 0.05 0.05 Ga/(mg·kg-1) 10.43 10.29 10.00 9.90 9.48 9.96 9.25 9.70 Gd/(mg·kg-1) 1.24 1.22 1.12 1.08 0.97 1.02 0.98 1.02 As/(mg·kg-1) 21.05 18.78 15.91 14.70 16.45 17.87 14.97 15.48 Tb/(mg·kg-1) 0.27 0.26 0.24 0.24 0.21 0.22 0.22 0.22 Co/(mg·kg-1) 4.43 4.55 4.29 3.97 3.91 3.76 3.63 3.67 Tl/(mg·kg-1) 0.51 0.50 0.50 0.48 0.47 0.47 0.45 0.46 Cs/(mg·kg-1) 3.27 3.38 3.53 3.57 3.23 3.09 2.83 2.97 In/(mg·kg-1) 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 Rb/(mg·kg-1) 94.65 93.41 93.26 91.56 86.91 89.32 86.06 87.91 Ce/(mg·kg-1) 35.28 34.79 31.17 30.89 27.28 29.93 26.47 29.00 Nd/(mg·kg-1) 12.77 13.03 11.46 11.00 9.90 11.00 9.70 10.32 Sm/(mg·kg-1) 2.60 2.56 2.32 2.27 2.06 2.20 2.05 2.14 Eu/(mg·kg-1) 0.72 0.70 0.66 0.67 0.61 0.61 0.61 0.61 Dy/(mg·kg-1) 1.65 1.58 1.48 1.42 1.31 1.34 1.39 1.35 Ho/(mg·kg-1) 0.45 0.44 0.41 0.39 0.36 0.37 0.39 0.38 Er/(mg·kg-1) 1.03 0.98 0.89 0.90 0.82 0.84 0.87 0.85 Tm/(mg·kg-1) 0.24 0.24 0.22 0.21 0.20 0.20 0.21 0.20 Pb/(mg·kg-1) 16.30 14.44 13.06 13.17 13.05 13.49 11.73 12.40 Sc/(mg·kg-1) 5.57 5.56 4.93 4.47 4.36 4.39 4.30 4.54 Sr/(mg·kg-1) 206.64 205.11 188.47 194.39 179.08 181.98 180.00 182.85 S/(mg·kg-1) 413.97 340.70 329.85 278.75 398.12 350.13 300.66 322.29