Study on the Singularity Strength of Topographic Anisotropy of Loess Tableland, Ridge, Hill in Loess Plateau based on Terrain Profile

Jianjun CAO; Guoan TANG; Xuan FANG; Yongjuan LIU; Jiaming NA; Ying ZHU; Jinlian LI

doi:10.12082/dqxxkx.2020.190555

Journals >Journal of Geo-information Science >Volume 22 >Issue 3 >Page 442 > Article

Journal of Geo-information Science
Vol. 22, Issue 3, 442 (2020)

Study on the Singularity Strength of Topographic Anisotropy of Loess Tableland, Ridge, Hill in Loess Plateau based on Terrain Profile

Jianjun CAO^{1、1、2、2、*}, Guoan TANG^2、2, Xuan FANG^{1、1、2、2}, Yongjuan LIU^1、1, Jiaming NA^2、2, Ying ZHU^1、1, and Jinlian LI^1、1

Author Affiliations

¹School of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China

¹南京晓庄学院环境科学学院,南京 211171

²Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Nanjing 210023, China

²虚拟地理环境教育部重点实验室（南京师范大学）,南京 210023

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DOI: 10.12082/dqxxkx.2020.190555 Cite this Article

Jianjun CAO, Guoan TANG, Xuan FANG, Yongjuan LIU, Jiaming NA, Ying ZHU, Jinlian LI. Study on the Singularity Strength of Topographic Anisotropy of Loess Tableland, Ridge, Hill in Loess Plateau based on Terrain Profile[J]. Journal of Geo-information Science, 2020, 22(3): 442 Copy Citation Text

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Fig. 1. The study area and sampling sites of loess tableland, loess ridge and loess hill

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Fig. 2. The data of loess tableland, loess ridge and loess hill

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$Multi-fractal analysis of topographic anisotropy of the east terrain profile in Chunhua site$

Fig. 3. Multi-fractal analysis of topographic anisotropy of the east terrain profile in Chunhua site

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$Multi-fractal analysis of topographic anisotropy of the east terrain profile in Ganquan site$

Fig. 4. Multi-fractal analysis of topographic anisotropy of the east terrain profile in Ganquan site

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$Multi-fractal analysis of topographic anisotropy of the east terrain profile in Suide site$

Fig. 5. Multi-fractal analysis of topographic anisotropy of the east terrain profile in Suide site

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Fig. 6. Probability distribution of singularity strength for topographic anisotropy in sample sites

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研究样区	剖面编号	波动阶数	质量指数	奇异指数	分形维数	赫斯特指数	奇异强度
淳化	1（东方向）	-5	-12.5525	2.4748	0.1787	2.3105	1.5594
		0	-1	1.7651	1	1.8008
		5	4.1856	0.9154	0.3913	1.0371
	9（北方向）	-5	-12.0216	2.3706	0.1686	2.2043	1.3519
		0	-1	1.5347	1	1.5633
		5	4.6423	1.0186	0.4510	1.1285
	17（西方向）	-5	-12.5910	2.5003	0.0893	2.3182	1.1683
		0	-1	1.7889	1	1.8079
		5	6.1382	1.3320	0.5221	1.4276
	25（南方向）	-5	-12.9688	2.6012	-0.0370	2.3938	1.4984
		0	-1	1.6622	1	1.6915
		5	4.9918	1.1027	0.5219	1.1984
甘泉	1（东方向）	-5	-9.6280	1.9154	0.0511	1.7256	0.7454
		0	-1	1.2390	1	1.2431
		5	4.9730	1.1700	0.8769	1.1946
	9（北方向）	-5	-11.8572	2.3967	-0.1262	2.1714	1.4216
		0	-1	1.4349	1	1.4527
		5	4.5126	0.9706	0.3403	1.1025
	17（西方向）	-5	-11.1124	2.2205	0.0098	2.0225	0.9254
		0	-1	1.5057	1	1.5120
		5	5.8723	1.2951	0.6034	1.3745
	25（南方向）	-5	-10.9682	2.1815	0.0609	1.9936	0.8208
		0	-1	1.6014	1	1.6091
		5	6.1585	1.3606	0.6445	1.4317
	1（东方向）	-5	-9.5202	1.8849	0.0957	1.7040	0.7132
		0	-1	1.3744	1	1.3795
		5	5.2177	1.1717	0.6410	1.2435
绥德	9（北方向）	-5	-9.5046	1.9024	0.0076	1.7009	0.9605
		0	-1	1.2206	1	1.2294
		5	4.1827	0.9419	0.5269	1.0365
	17（西方向）	-5	-10.1930	2.0422	-0.0181	1.8386	1.0032
		0	-1	1.2235	1	1.2306
		5	4.5034	1.0391	0.6919	1.1007
	25（南方向）	-5	-9.9855	1.9817	0.0769	1.7971	0.8563
		0	-1	1.3785	1	1.3857
		5	5.0525	1.1255	0.5747	1.2105

Table 1. Parameters of topographic anisotropy by multi-fractal analysis of the study sites

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