搜索结果: 1-15 共查到“理学 debris flow”相关记录24条 . 查询时间(0.082 秒)
Microscopic characterization and formation mechanisms of deepwater sandy-debris-flow and turbidity-current sandstones in a lacustrine basin: a case study in the Yanchang Formation of the Ordos Basin, China
Sandy debris flow Turbidite Ordos Basin Petrology Reservoir properties
2018/4/2
Deep-water deposition is a current issue in sedimentological research. Sandy-debris-flow sandstones and turbidity-current sandstones are the main types of sandstone that are the focus of considerable ...
Application of Rough Set Feature Selection in the Hazard Assessment of Debris Flow
Attribute Reduction Debris Flow Rough Sets Value Reduction
2011/12/21
In this thesis, the risk of debris flow have been studied. And it used feature selection based on rough set to construct debris flow hazard assessment model.The innovation of this thesis is:the on the...
Activity Degree Evaluation of Glacial Debris Flow along International Karakorum Highway (KKH) Based on Fuzzy Theory
Activity Degree Evaluation Fuzzy Evaluation Method Glacial Debris Flow International Karakorum Highway (KKH)
2011/12/20
The area of international Karakorum Highway(KKH), is an area with dense and frequent glacial debris flow disasters due to unique geology, geomorphology and landform conditions,which connects northern ...
Rockfall-induced impact force causing a debris flow on a volcanoclastic soil slope: a case study in southern Italy
Rockfall-induced debris flow on a volcanoclastic soil slope southern Italy
2010/10/21
On 10 January 2003, a rockfall of approximately 10 m3 affected a cliff some 25 m high located along the northern slopes of Mt. St. Angelo (Nocera Inferiore, province of Salerno) in the southern Italia...
The efficiency of a risk reduction program for debris-flow disasters – a case study of the Songhe community in Taiwan
The efficiency risk reduction program debris-flow disasters case study the Songhe community Taiwan
2010/10/21
A risk reduction program was developed after debris-flow disaster analysis is conducted using mitigation structures, evacuation measures and community restrained expansion strategy. The risk assessmen...
Critical conditions of bed sediment entrainment due to debris flow
Critical conditions bed sediment entrainment debris flow
2009/12/14
The present study describes entrainment characteristics of bed material into debris flow, based on flume tests, numerical and dimensional analyses. Flume tests are conducted to investigate influences ...
Relations between rainfall and triggering of debris-flow:case study of Cancia(Dolomites,Northeastern Italy)
rainfall triggering debris-flow ase study Cancia
2009/12/11
Debris-flows occurring in the area of Cancia (Dolomites, Northeastern Italy) in recent years have exposed the population to serious risk. In response to the recurring hazard, an alarm and monitoring s...
Observations and modelling of soil slip-debris flow initiation processes in pyroclastic deposits:the Sarno 1998 event
Observations modelling soil slip-debris flow initiation processes pyroclastic deposits
2009/12/11
Pyroclastic soils mantling a wide area of the Campanian Apennines are subjected to recurrent instability phenomena. This study analyses the 5 and 6 May 1998 event which affected the Pizzo d’Alvano (Ca...
Debris-flow susceptibility assessment through cellular automata modeling: an example from 15–16 December 1999 disaster at Cervinara and San Martino Valle Caudina (Campania, southern Italy)
Debris-flow susceptibility assessment cellular automata modeling Cervinara and San Martino Valle Caudina
2009/12/10
On 15–16 December 1999, heavy rainfall severely stroke Campania region (southern Italy), triggering numerous debris flows on the slopes of the San Martino Valle Caudina-Cervinara area. Soil slips orig...
Large scale debris-flow hazard assessment: a geotechnical approach and GIS modelling
Large scale debris-flow hazard assessment a geotechnical approach GIS modelling
2009/12/10
A deterministic distributed model has been developed for large-scale debris-flow hazard analysis in the basin of River Vezza (Tuscany Region – Italy). This area (51.6 km 2 ) was affected by over 250 l...
Debris flow characteristics and relationships in the Central Spanish Pyrenees
Debris flow characteristics and relationships the Central Spanish Pyrenees
2009/12/10
Unconfined debris flows (i.e. not in incised channels) are one of the most active geomorphic processes in mountainous areas. Since they can threaten settlements and infrastructure, statistical and phy...
Influence of check dams on debris-flow run-out intensity
Influence check dams debris-flow run-out intensity
2010/1/4
Debris flows are very dangerous phenomena claiming thousands of lives and millions of Euros each year over the world. Disaster mitigation includes non-structural (hazard mapping, insurance policies), ...
The use of airborne LiDAR data for the analysis of debris flow events in Switzerland
airborne LiDAR data flow events Switzerland
2009/12/31
A methodology of magnitude estimates for debris flow events is described using airborne LiDAR data. Light Detection And Ranging (LiDAR) is a widely used technology to generate digital elevation inform...
Assessing potential debris flow runout: a comparison of two simulation models
potential debris flow runout two simulation models
2009/12/30
In this frame, the two codes RASH3D and FLO2D are used to numerically analyse the propagation of potential debris flows affecting two study sites in Southern Italy.
For these two study sites, a lack ...
Spatial variability and potential impacts of climate change on flood and debris flow hazard zone mapping and implications for risk management
Spatial variability and potential impacts climate change flood and debris flow hazard zone mapping and implications risk management
2009/12/30
The main goals of this study were to identify the alpine torrent catchments that are sensitive to climatic changes and to assess the robustness of the methods for the elaboration of flood and debris f...