SCIENTIA GEOGRAPHICA SINICA ›› 2022, Vol. 42 ›› Issue (10): 1829-1837.doi: 10.13249/j.cnki.sgs.2022.10.015

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Distribution Characteristics and Topographic Influence of Erosion Gully in Typical Hilly Region of Northeast China

Jiao Peng1,2(), Yan Baixing2,3(), Ou Yang2,3, Li Mingtang1, Ren Ming4, Wen Leilei4, Cui Hu2, Tian Liping2, Cheng Lei2,5, Liu Huiping2,5   

  1. 1. College of Resource and Environment, Jilin Agricultural University, Changchun 130118, Jilin, China
    2. Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Changchun 130102, Jilin, China
    3. Research Center of Artificial Wetland Construction and Beautiful Countryside Construction in Cold Areas of Jilin Province, Changchun 130102, Jilin, China
    4. Songliao Water Conservancy Commission, Ministry of Water Resources, Changchun 130021, Jilin, China
    5. College of Plant Protection, Jilin Agricultural University, Changchun 130118, Jilin, China
  • Received:2021-09-21 Revised:2022-01-28 Online:2022-10-30 Published:2022-10-20
  • Contact: Yan Baixing;
  • Supported by:
    Erosion Gully Investigation Project Supported by Songliao Water Conservancy Commission


The low mountain and hilly areas in Northeast China are important grain producing areas and commercial grain bases. High-intensity agricultural cultivation has caused serious soil erosion and increasing erosion ditch hazards. An area of 106.5 km2 in the upper reaches of the East Liaohe River was selected as the study area, and the geometric parameters and latitude and longitude of erosion ditches with length ≥ 50 m and depth ≥ 0.5 m in the study area were verified and measured in the field based on the remote sensing images with 2 m resolution and manual prediction of erosion ditches by GIS. Based on DEM, the spatial information of slope gradient, slope aspect and elevation of erosion gullies was obtained; the basic characteristics and spatial and temporal evolution trends of erosion gullies in the study area were analyzed, and the influence of slope gradient and slope aspect on the development of erosion gullies was discussed. The results show that: 1) There are 322 erosion gullies in the study area, with a distribution density of 3.0 gullies /km2, a gully density of 0.8 km/km2, and a fragmentation degree of 1.4%. The development of erosion gullies is fast, and the intensity of gully erosion has reached an intense degree, which should be paid enough attention to. 2) Erosion gullies are mainly distributed on sloping arable land from 6° to 9°, the influence of slope gradient on gully erosion is obvious, and the high-intensity reclamation of sloping arable land is the main driving force for the increase of gully erosion. 3) There are more erosion gullies on the sunny slope (S, E, etc.), and least erosion gullies on the shady slope (N). Slope aspect also has a certain influence on gully erosion. The research results provide scientific data for understanding the occurrence and evolution of erosion gullies in low mountain and hilly areas of Northeast China.

Key words: low mountain and hilly regions of Northeast China, erosion gully, geometric parameters, slope gradient, slope aspect

CLC Number: 

  • S157.1