中国沙漠 ›› 2024, Vol. 44 ›› Issue (5): 143-154.DOI: 10.7522/j.issn.1000-694X.2024.00045
娄俊鹏1,2(), 蔡迪文2,3(
), 马文勇2,4, 焦琳琳2
收稿日期:
2024-02-21
修回日期:
2024-04-15
出版日期:
2024-09-20
发布日期:
2024-10-15
通讯作者:
蔡迪文
作者简介:
蔡迪文(E-mail: caidw@lingnan.edu.cn)基金资助:
Junpeng Lou1,2(), Diwen Cai2,3(
), Wenyong Ma2,4, Linlin Jiao2
Received:
2024-02-21
Revised:
2024-04-15
Online:
2024-09-20
Published:
2024-10-15
Contact:
Diwen Cai
摘要:
为探究浑善达克沙地风蚀物粒度和化学元素的分异特征及相互关系,通过风洞试验分析了不同风速下风蚀物的粒径级配、粒度分布频率曲线和粒度参数等特征以及风蚀物元素含量的变化规律。结果表明:土壤风蚀速率与风速符合指数函数关系,不同风速下风蚀物的粒度分布曲线皆为单峰且峰态皆非常宽,平均粒径2.46~2.58 Ф,分选性较差,呈极度正偏。风蚀物中元素含量随风速变化模式主要包括连续下降型、“W”下降型和先升后降型,大部分元素含量与风蚀物中<125 μm部分极显著正相关关系,而与125~500 μm部分极显著负相关。
中图分类号:
娄俊鹏, 蔡迪文, 马文勇, 焦琳琳. 浑善达克沙地风蚀物粒度和元素分异特征[J]. 中国沙漠, 2024, 44(5): 143-154.
Junpeng Lou, Diwen Cai, Wenyong Ma, Linlin Jiao. Grain size and element differentiation during aeolian processe in Otindag Sandy Land[J]. Journal of Desert Research, 2024, 44(5): 143-154.
参数 | 风速/(m·s-1) | |||||||
---|---|---|---|---|---|---|---|---|
8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | |
最小值/(g·m-2·s-1) | 0.00 | 0.00 | 0.02 | 0.10 | 0.19 | 0.37 | 0.52 | 0.50 |
最大值/(g·m-2·s-1) | 0.08 | 1.74 | 5.74 | 8.73 | 13.25 | 23.76 | 32.07 | 40.29 |
平均值/(g·m-2·s-1) | 0.01 | 0.30 | 1.09 | 2.30 | 4.26 | 7.08 | 10.29 | 13.41 |
CV/% | 210.6 | 176.7 | 159.3 | 118.3 | 99.0 | 106.8 | 103.0 | 102.9 |
表1 不同风速下土壤样品风蚀速率
Table 1 Characteristics of soil erosion intensity at different wind speeds
参数 | 风速/(m·s-1) | |||||||
---|---|---|---|---|---|---|---|---|
8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | |
最小值/(g·m-2·s-1) | 0.00 | 0.00 | 0.02 | 0.10 | 0.19 | 0.37 | 0.52 | 0.50 |
最大值/(g·m-2·s-1) | 0.08 | 1.74 | 5.74 | 8.73 | 13.25 | 23.76 | 32.07 | 40.29 |
平均值/(g·m-2·s-1) | 0.01 | 0.30 | 1.09 | 2.30 | 4.26 | 7.08 | 10.29 | 13.41 |
CV/% | 210.6 | 176.7 | 159.3 | 118.3 | 99.0 | 106.8 | 103.0 | 102.9 |
粒径参数 | 表土样 | 风速/(m·s-1) | 蚀余物 | ||||||
---|---|---|---|---|---|---|---|---|---|
10 | 12 | 14 | 16 | 18 | 20 | 22 | |||
平均粒径Mz /Φ | 2.86 | 2.46 | 2.46 | 2.58 | 2.51 | 2.50 | 2.49 | 2.48 | 2.72 |
分选系数σ | 2.13 | 1.26 | 1.38 | 1.75 | 1.77 | 1.76 | 1.83 | 1.78 | 2.16 |
偏度SK | 1.70 | 3.32 | 3.27 | 2.48 | 2.34 | 2.41 | 2.31 | 2.33 | 1.73 |
峰态Kg | 5.65 | 17.66 | 15.98 | 9.58 | 9.02 | 9.36 | 8.78 | 9.13 | 5.74 |
表2 不同风速下风蚀物粒度参数
Table 2 Grain size parameters in wind blow sediment at different wind velocity
粒径参数 | 表土样 | 风速/(m·s-1) | 蚀余物 | ||||||
---|---|---|---|---|---|---|---|---|---|
10 | 12 | 14 | 16 | 18 | 20 | 22 | |||
平均粒径Mz /Φ | 2.86 | 2.46 | 2.46 | 2.58 | 2.51 | 2.50 | 2.49 | 2.48 | 2.72 |
分选系数σ | 2.13 | 1.26 | 1.38 | 1.75 | 1.77 | 1.76 | 1.83 | 1.78 | 2.16 |
偏度SK | 1.70 | 3.32 | 3.27 | 2.48 | 2.34 | 2.41 | 2.31 | 2.33 | 1.73 |
峰态Kg | 5.65 | 17.66 | 15.98 | 9.58 | 9.02 | 9.36 | 8.78 | 9.13 | 5.74 |
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 |
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 |
元素 | 黏土 <2 μm | 粉沙 2~63 μm | 极细沙 63~125 μm | 细沙 125~250 μm | 中沙 250~500 μm | 粗沙 500~1 000 μm |
---|---|---|---|---|---|---|
Al2O3 | 0.426** | -0.131** | 0.398** | -0.084 | -0.461** | -0.182* |
CaO | 0.479** | 0.067** | 0.031 | -0.339** | -0.038 | -0.091 |
Fe2O3 | 0.824** | 0.316** | 0.486** | -0.607** | -0.499** | 0.157 |
K2O | -0.250** | -0.644** | 0.230** | 0.665** | -0.420** | -0.194* |
MgO | 0.810** | 0.175** | 0.284** | -0.571** | -0.277** | -0.064 |
Na2O | -0.042 | -0.197* | 0.164* | 0.198* | -0.190* | -0.013 |
Cu | 0.168* | -0.090 | 0.159 | 0.009 | -0.192* | 0.047 |
Zn | 0.284** | -0.057** | 0.210** | -0.104 | -0.217** | 0.048 |
Ti | 0.864** | 0.352** | 0.457** | -0.666** | -0.462** | 0.126 |
Lu | 0.774** | 0.360** | 0.453** | -0.633** | -0.425** | 0.075 |
Ba | -0.336** | -0.658** | -0.140 | 0.645** | 0.010 | -0.306** |
Cr | 0.414** | 0.141** | 0.128 | -0.328** | -0.128 | -0.010 |
Li | 0.708** | 0.267** | 0.375** | -0.534** | -0.363** | 0.122 |
Mn | 0.835** | 0.341** | 0.370** | -0.655** | -0.379** | 0.094 |
Ni | 0.878** | 0.301** | 0.532** | -0.651** | -0.512** | 0.094 |
P | 0.256** | 0.062* | 0.288** | -0.130 | -0.316** | 0.192* |
Pb | 0.336** | 0.079** | 0.321** | -0.233** | -0.231** | 0.014 |
Sc | 0.757** | 0.295** | 0.395** | -0.599** | -0.366** | 0.066 |
Sr | 0.145 | -0.375** | 0.017 | 0.184* | -0.100 | -0.268** |
V | 0.876** | 0.267** | 0.474** | -0.632** | -0.462** | 0.049 |
Ag | 0.573** | 0.124** | 0.332** | -0.381** | -0.320** | 0.042 |
Cd | 0.615** | 0.223** | 0.276** | -0.466** | -0.260** | 0.064 |
Ga | -0.113 | -0.560** | 0.123 | 0.505** | -0.269** | -0.186* |
Gd | 0.802** | 0.331** | 0.393** | -0.633** | -0.389** | 0.046 |
As | 0.049 | -0.218** | 0.048 | 0.127 | -0.098 | 0.032 |
S | 0.020 | 0.008 | 0.026 | 0.020 | -0.057 | 0.117 |
Co | 0.878** | 0.300** | 0.522** | -0.648** | -0.494** | 0.063 |
Tl | 0.113 | -0.210** | 0.460** | 0.104 | -0.478** | -0.128 |
Cs | 0.334** | 0.183** | 0.219** | -0.278** | -0.229** | 0.127 |
In | 0.828** | 0.275** | 0.499** | -0.610** | -0.481** | 0.097 |
Rb | 0.070 | -0.420** | 0.415** | 0.337** | -0.569** | -0.149 |
U | 0.808** | 0.363** | 0.493** | -0.658** | -0.473** | 0.094 |
Bi | 0.766** | 0.340** | 0.453** | -0.611** | -0.401** | 0.117 |
Mo | 0.076 | -0.045 | 0.226** | -0.015 | -0.175* | -0.020 |
Be | 0.661** | 0.047** | 0.625** | -0.311** | -0.669** | 0.041 |
Y | 0.775** | 0.396** | 0.429** | -0.653** | -0.415** | 0.107 |
La | 0.752** | 0.256** | 0.393** | -0.547** | -0.407** | 0.032 |
Ce | 0.772** | 0.258** | 0.433** | -0.571** | -0.412** | 0.019 |
Pr | 0.730** | 0.217** | 0.293** | -0.537** | -0.305** | -0.025 |
Nd | 0.772** | 0.334** | 0.359** | -0.631** | -0.350** | 0.038 |
Sm | 0.783** | 0.284** | 0.414** | -0.590** | -0.417** | 0.033 |
Eu | 0.698** | 0.042** | 0.508** | -0.363** | -0.540** | -0.048 |
Tb | 0.772** | 0.326** | 0.464** | -0.598** | -0.458** | 0.084 |
Dy | 0.808** | 0.359** | 0.420** | -0.657** | -0.408** | 0.062 |
Ho | 0.803** | 0.345** | 0.465** | -0.638** | -0.446** | 0.082 |
Er | 0.754** | 0.334** | 0.417** | -0.608** | -0.384** | 0.063 |
Tm | 0.776** | 0.414** | 0.417** | -0.687** | -0.366** | 0.078 |
Yb | 0.630** | 0.451** | 0.321** | -0.615** | -0.280** | 0.119 |
表4 浑善达克沙地风蚀物粒径与元素含量相关关系
Table 4 The correlation coefficient between grain size and elements in wind blow sediment of the Otindag Sand Land
元素 | 黏土 <2 μm | 粉沙 2~63 μm | 极细沙 63~125 μm | 细沙 125~250 μm | 中沙 250~500 μm | 粗沙 500~1 000 μm |
---|---|---|---|---|---|---|
Al2O3 | 0.426** | -0.131** | 0.398** | -0.084 | -0.461** | -0.182* |
CaO | 0.479** | 0.067** | 0.031 | -0.339** | -0.038 | -0.091 |
Fe2O3 | 0.824** | 0.316** | 0.486** | -0.607** | -0.499** | 0.157 |
K2O | -0.250** | -0.644** | 0.230** | 0.665** | -0.420** | -0.194* |
MgO | 0.810** | 0.175** | 0.284** | -0.571** | -0.277** | -0.064 |
Na2O | -0.042 | -0.197* | 0.164* | 0.198* | -0.190* | -0.013 |
Cu | 0.168* | -0.090 | 0.159 | 0.009 | -0.192* | 0.047 |
Zn | 0.284** | -0.057** | 0.210** | -0.104 | -0.217** | 0.048 |
Ti | 0.864** | 0.352** | 0.457** | -0.666** | -0.462** | 0.126 |
Lu | 0.774** | 0.360** | 0.453** | -0.633** | -0.425** | 0.075 |
Ba | -0.336** | -0.658** | -0.140 | 0.645** | 0.010 | -0.306** |
Cr | 0.414** | 0.141** | 0.128 | -0.328** | -0.128 | -0.010 |
Li | 0.708** | 0.267** | 0.375** | -0.534** | -0.363** | 0.122 |
Mn | 0.835** | 0.341** | 0.370** | -0.655** | -0.379** | 0.094 |
Ni | 0.878** | 0.301** | 0.532** | -0.651** | -0.512** | 0.094 |
P | 0.256** | 0.062* | 0.288** | -0.130 | -0.316** | 0.192* |
Pb | 0.336** | 0.079** | 0.321** | -0.233** | -0.231** | 0.014 |
Sc | 0.757** | 0.295** | 0.395** | -0.599** | -0.366** | 0.066 |
Sr | 0.145 | -0.375** | 0.017 | 0.184* | -0.100 | -0.268** |
V | 0.876** | 0.267** | 0.474** | -0.632** | -0.462** | 0.049 |
Ag | 0.573** | 0.124** | 0.332** | -0.381** | -0.320** | 0.042 |
Cd | 0.615** | 0.223** | 0.276** | -0.466** | -0.260** | 0.064 |
Ga | -0.113 | -0.560** | 0.123 | 0.505** | -0.269** | -0.186* |
Gd | 0.802** | 0.331** | 0.393** | -0.633** | -0.389** | 0.046 |
As | 0.049 | -0.218** | 0.048 | 0.127 | -0.098 | 0.032 |
S | 0.020 | 0.008 | 0.026 | 0.020 | -0.057 | 0.117 |
Co | 0.878** | 0.300** | 0.522** | -0.648** | -0.494** | 0.063 |
Tl | 0.113 | -0.210** | 0.460** | 0.104 | -0.478** | -0.128 |
Cs | 0.334** | 0.183** | 0.219** | -0.278** | -0.229** | 0.127 |
In | 0.828** | 0.275** | 0.499** | -0.610** | -0.481** | 0.097 |
Rb | 0.070 | -0.420** | 0.415** | 0.337** | -0.569** | -0.149 |
U | 0.808** | 0.363** | 0.493** | -0.658** | -0.473** | 0.094 |
Bi | 0.766** | 0.340** | 0.453** | -0.611** | -0.401** | 0.117 |
Mo | 0.076 | -0.045 | 0.226** | -0.015 | -0.175* | -0.020 |
Be | 0.661** | 0.047** | 0.625** | -0.311** | -0.669** | 0.041 |
Y | 0.775** | 0.396** | 0.429** | -0.653** | -0.415** | 0.107 |
La | 0.752** | 0.256** | 0.393** | -0.547** | -0.407** | 0.032 |
Ce | 0.772** | 0.258** | 0.433** | -0.571** | -0.412** | 0.019 |
Pr | 0.730** | 0.217** | 0.293** | -0.537** | -0.305** | -0.025 |
Nd | 0.772** | 0.334** | 0.359** | -0.631** | -0.350** | 0.038 |
Sm | 0.783** | 0.284** | 0.414** | -0.590** | -0.417** | 0.033 |
Eu | 0.698** | 0.042** | 0.508** | -0.363** | -0.540** | -0.048 |
Tb | 0.772** | 0.326** | 0.464** | -0.598** | -0.458** | 0.084 |
Dy | 0.808** | 0.359** | 0.420** | -0.657** | -0.408** | 0.062 |
Ho | 0.803** | 0.345** | 0.465** | -0.638** | -0.446** | 0.082 |
Er | 0.754** | 0.334** | 0.417** | -0.608** | -0.384** | 0.063 |
Tm | 0.776** | 0.414** | 0.417** | -0.687** | -0.366** | 0.078 |
Yb | 0.630** | 0.451** | 0.321** | -0.615** | -0.280** | 0.119 |
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