Journal of Geo-information Science

The Extraction of Characteristic Elements of Mountain based on DEM

HU Jinlong, TANG Mengge, LUO Mingliang, WEI Lan, YAN Zihong, QIN Zihan

Journal of Geo-information Science, 2020, 22(3): 422-430. DOI: 10.12082/dqxxkx.2020.190558

	数量/条	最长长度/km	最短长度/km	平均长度/km	最低高程/m	最高高程/m	平均高程/m
主脉	9	133.54	27.13	60.73	789	4212	3037
一级支脉	53	27.03	0.06	2.86	761	4113	2755
二级支脉	60	28.09	0.26	1.76	767	4062	2531
全部山脉	230	133.54	0.06	2.01	752	4212	2425

Tab. 3 The attribution statistic of ridge lines of Liangshan plateau mountain

Other figure/table from this article

Fig. 1 The DEM of Liangshan plateau mountain in Sichuan province, China
Fig. 2 The process of systematic mountain structure extraction based on DEM
Fig. 3 The coding principle of ridge line
Tab. 1 Elevation information of peaks of Liangshan plateau mountain
Fig. 4 The peaks distribution of Liangshan plateau mountain and detailed local peaks
Tab. 2 The names of the main mountain peaks of Liangshan plateau mountain
Fig. 5 The distribution of ridge lines of Liangshan plateau mountain
Fig. 6 Mountain peaks distribution in Liangshan plateau mountain
Fig. 7 Mountain ridges distribution in Liangshan plateau mountain
Tab. 4 The names of main ridge line of Liangshan plateau mountain
Fig. 8 the relationship between fuzzy membership and number of peaks in Liangshan
Fig. 9 The comparison between the main peaks extracted by fuzzy membership and algorithm in Liangshan
Fig. 10 The main ridge lines extracted by fuzzy membership in Liangshan