毛乌素沙地东南缘L3S3 黄土-古土壤色度特征及古气候意义
杨宇哲, 岳大鹏, 赵景波, 刘怡婷, 李嘉宁, 杨天宇

Chroma characteristics and its paleoclimatic significance of L3 and S3 loess-paleosol in the southeast margin of Mu Us Sandy Land
Yuzhe Yang, Dapeng Yue, Jingbo Zhao, Yiting Liu, Jianing Li, Tianyu Yang
表2 柳树峁剖面L3 -S3 层段色度参数垂直变化特征
Table 2 Vertical changes of parameters for the L3-S3 layers in Liushumao section
层位L*a*b*h*/(°)C*
L3-1范围

63.26~68.19

65.97

2.59~3.96

3.25

10.89~14.01

12.47

73.13~76.99

75.41

11.19~14.48

12.89

平均值
L3S范围

63.09~65.33

63.97

3.46~3.99

3.78

12.01~13.24

12.72

72.98~74.21

73.44

12.50~13.83

13.27

平均值
L3-2范围

64.56~65.92

65.25

3.11~3.49

3.27

11.73~12.65

12.13

74.39~75.43

74.94

12.14~13.12

12.56

平均值
L3F范围

68.02~74.86

70.42

1.53~2.94

2.47

9.02~12.89

11.40

76.74~80.65

77.85

9.15~13.22

11.67

平均值
S3-1范围

60.76~64.51

62.71

4.22~5.65

4.86

13.57~14.81

14.01

69.12~72.73

70.92

14.21~15.85

14.83

平均值
S3F范围

63.51~67.23

65.40

2.92~3.82

3.47

10.74~12.78

11.93

73.10~74.79

73.83

11.13~13.34

12.43

平均值
S3-2范围

58.58~68.33

62.35

3.13~6.08

4.89

11.31~15.17

13.84

68.16~74.53

70.63

11.74~16.34

14.68

平均值