Mass movements of differing magnitude and frequency in a developing high-mountain area of the Moxi basin, Hengduan Mts, China – A hazard assessment

Malik, Ireneusz; Wistuba, Małgorzata; Tie, Yongbo; Owczarek, Piotr; Woskowicz‐Ślęzak, Beata; Łuszczyńska, Katarzyna

doi:10.1016/j.apgeog.2017.08.003

Cited by 19 publications

(11 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…[34][35][36][37][38]. There are also some dendrogeomorphological studies from Asia on landslides [39] and debris flows and rockfalls [40].…”

Section: Introductionmentioning

confidence: 99%

“…The spatial extent and magnitude of landslides are not directly measured with the application of dendrogeomorphological techniques, but they can provide historical intensity estimations. Magnitude is thus expressed as the area affected by reactivation [47], mainly through the spatial distribution and number of disturbed trees [40]. On the other hand, direct measurement of magnitude can be done by measuring the landslide area activated or the volume of the landslide deposit (e.g., [47,63]).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Reconstruction of Landslide Activity Using Dendrogeomorphological Analysis in the Karavanke Mountains in NW Slovenia

Oven

Levanič

Jež

et al. 2019

Forests

View full text Add to dashboard Cite

Tree ring eccentricity was used to reconstruct landslide activity in the last 138 years in the Urbas landslide located at Potoška planina in the NW part of the Karavanke Mountains, Slovenia. The research was based on the dendrochronological sampling of Norway spruce (Picea abies (L.) Karst.) in areas of varying landslide intensity. Analysis of a sudden change in the eccentricity index of 82 curved trees concluded that there were 139 growth disturbances and 16 landslide reactivations between 1880 and 2015, with a landslide return period of 8.5 years. Using lidar data, changes in the surface of the digital terrain model (DTM) were compared with changes in the eccentricity index of trees at the same location in the period 2014–2017. On the basis of temporal changes in the eccentricity index and by using spatial interpolation, landslide activity was reconstructed for the period 1943–2015. During this period, landslide intensity increased in the central part of the landslide. Although categorization into seven categories of different stem curvature was proposed, no distinction between categories with respect to their eccentricity index was found.

show abstract

“…[34][35][36][37][38]. There are also some dendrogeomorphological studies from Asia on landslides [39] and debris flows and rockfalls [40].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reconstruction of Landslide Activity Using Dendrogeomorphological Analysis in the Karavanke Mountains in NW Slovenia

Oven

Levanič

Jež

et al. 2019

Forests

View full text Add to dashboard Cite

show abstract

“…Nevertheless, quantitative studies of sediment production by erosion processes at the watershed scale have still been predominately on water erosion. Sediment production by different magnitude and frequency of mass movement is far understudied by comparison (Malik et al, ). Moreover, the previous inventory datasets of mass movement typically include the number and/or area of large mass movements.…”

Section: Introductionmentioning

confidence: 99%

Spatial variation in the frequency and magnitude of mass movement in a semiarid, complex‐terrain agricultural watershed on the Loess Plateau of China

Zhu

2019

Land Degrad Dev

View full text Add to dashboard Cite

The previous inventory datasets of mass movement typically include large‐sized mass movements (e.g., landslides), whereas small ones are often missing due to either being too small to be interpreted from remote sensing images or too time‐consuming to measure them in the field. Thus, the relative significance of different‐sized mass movement in sediment production remains unknown. In this study, first, a total of 547 recent mass movements, with a volume ranging from 0.3 to 19,000 m3, are surveyed in a small complex‐terrain watershed on the Loess Plateau of China; then, sediment contributions by mass movement of different magnitude and frequency are evaluated; furthermore, the effects of causative factors on both mass movement frequency and magnitude are examined and compared; finally, Geographic Information Systems (GIS) and statistical methods are employed to assess mass movement susceptibility and erosion risk. The results showed that majority of the mass movements are very small (<10 m3). Even though a large mass movement can produce a disproportionally high amount of debris on a per event basis, small‐ and medium‐sized mass movements (<1,000 m3) are overall more important in sediment production in the watershed. The GIS‐based modeling results also demonstrate that there is significant difference in spatial variation between the susceptibility and erosion risk of mass movements. Therefore, although the mass movement susceptibility map is very useful in prioritizing hazard prevention and mitigation, it should be combined with the mass movement erosion risk map in erosion control planning and design, which has not been done in the past.

show abstract

“…in the case of Asia. Attention is also paid to the growing population and increasing development of areas threatened by the occurrence of landslides (Guzzetti et al, 2009;Petley, 2010;Malik et al, 2017). The rising frequency of landslides has resulted in an increasing number of buildings and elements of infrastructure's being destroyed, and a growing number of people killed.…”

Section: Introductionmentioning

confidence: 99%

Dendrochronological dating as the basis for developing a landslide hazard map – An example from the Western Carpathians, Poland

et al. 2018

Self Cite

View full text Add to dashboard Cite

Most landslide hazard maps are developed on the basis of an area’s susceptibility to a landslide occurrence, but dendrochronological techniques allows one to develop maps based on past landslide activity. The aim of the study was to use dendrochronological techniques to develop a landslide hazard map for a large area, covering 3.75 km2. We collected cores from 131 trees growing on 46 sampling sites, measured tree-ring width, and dated growth eccentricity events (which occur when tree rings of different widths are formed on opposite sides of a trunk), recording the landslide events which had occurred over the previous several dozen years. Then, the number of landslide events per decade was calculated at every sampling site. We interpolated the values obtained, added layers with houses and roads, and developed a landslide hazard map. The map highlights areas which are potentially safe for existing buildings, roads and future development. The main advantage of a landslide hazard map developed on the basis of dendrochronological data is the possibility of acquiring long series of data on landslide activity over large areas at a relatively low cost. The main disadvantage is that the results obtained relate to the measurement of anatomical changes and the macroscopic characteristics of the ring structure occurring in the wood of tilted trees, and these factors merely provide indirect information about the time of the landslide event occurrence.

show abstract

Mass movements of differing magnitude and frequency in a developing high-mountain area of the Moxi basin, Hengduan Mts, China – A hazard assessment

Cited by 19 publications

References 52 publications

Reconstruction of Landslide Activity Using Dendrogeomorphological Analysis in the Karavanke Mountains in NW Slovenia

Reconstruction of Landslide Activity Using Dendrogeomorphological Analysis in the Karavanke Mountains in NW Slovenia

Spatial variation in the frequency and magnitude of mass movement in a semiarid, complex‐terrain agricultural watershed on the Loess Plateau of China

Dendrochronological dating as the basis for developing a landslide hazard map – An example from the Western Carpathians, Poland

Contact Info

Product

Resources

About