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¡¶ÄϾ©Ê¦´óѧ±¨£¨×ÔÈ»¿Æѧ°æ£©¡·[ISSN:1001-4616/CN:32-1239/N]

Issue:

2020Äê02ÆÚ

Page:

56-62

Research Field:

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Publishing date:

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Title:

Spatial Fractal Properties of Loess Plateauin the Northern Shaanxi Province of China

Author(s):

Kamila J Kabo-bah¹; 2; 3; Tang Guoan¹; 4; Yang Xin¹; 5; Na Jiaming⁴; 5; Xiong Liyang¹; 5

(1.School of Geography,Nanjing Normal University,Nanjing 210023,China)(2.School of Geosciences,University of Energy and Natural Resources,Sunyani 214,Ghana)(3.Earth Observation Research and Innovation Centre(EORIC),University of Energy and Natural Resources,Sunyani 214,Ghana)(4.Key Laboratory of Virtual Geographic Environment of Ministry of Education,Nanjing Normal University,Nanjing 210023,China)(5.Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application,Nanjing 210023,China)

Keywords:

digital elevation model; grid size; fractal dimension; Strahler number; landform types

PACS:

P208

DOI:

10.3969/j.issn.1001-4616.2020.02.010

Abstract:

The Loess Plateau of the Northern Shaanxi Province of China is an important area of research for geomorphological studies. Several studies have been conducted in the past in this particular subject of geomorphology. However,spatial variability of fractal dimension(FD)vis-¨¤-vis its relationship with landform characteristics have been limited. Thus,the paper assessed the application of fractal methodology to investigate the fractal properties the terrain and stream networks. The results show that Grid Size(GS)for the FD estimation affects the distribution of the values obtained. It was recommended that for the Loess Plateau understudy,a GS of 32 was realistic and mimics well with the landform classification types provided by other studies. The GS of 16 and 64 underestimates and overestimates the FD respectively. The FD values for the stream networks indicate that Strahler Numbers(SN)and FD are related. For instance,the higher SN,the higher FD. However,a more in-depth analysis of the SN and FD needs to be conducted in future studies. The findings from this study could provide a baseline support for future research on geomorphology in the Loess Plateau and support for other regions interested in similar work.

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Last Update: 2020-05-15