نتایج جستجو برای: landslides

تعداد نتایج: 4980  

2004
Sigurjón Jónsson Kristján Ágústsson

Landslides and debris flows have caused both fatalities and considerable economic loss in Iceland during the past centuries. In a recently started project we plan to study known landslides in eastern and central-north Iceland using satellite radar interferometry (InSAR) and survey many other slopes in search for other active landslides that may exist. Our initial results show that a landslide i...

2006
Yang Hong Robert Adler George Huffman

[1] Intense storms with high-intensity, long-duration rainfall have great potential to trigger rapidly moving landslides, resulting in casualties and property damage across the world. In recent years, through the availability of remotely sensed datasets, it has become possible to conduct global-scale landslide hazard assessment. This paper evaluates the potential of the real-time NASA TRMMbased...

2017
Sangseom Jeong Kwangwoo Lee Junghwan Kim Yongmin Kim

This paper investigates rainfall-induced landslides on partially saturated soil slopes using the 2011 Umyeonsan landslides at the center of Seoul, Korea. An integrated analysis of rainfall-induced landslide was carried out through laboratory tests, field tests, and numerical analysis. The results of comprehensive investigations in the Umyeonsan region demonstrate that landslide activity is clos...

2014
Praveen Kumar Rai Kshitij Mohan

Landslides are amongst the most damaging natural hazards in the mountainous terrain like Himalaya. The study of landslides has drawn worldwide attention mainly due to increasing awareness of socio-economic impacts of landslides. Remote sensing images provide many useful land use information to combine in a GIS environment with other spatial factors influencing the occurrence of landslide. The l...

2012
Phil Cullen

Seedling surveys indicated that landslide faces provide opportunities for Athrotaxis seialiinoides and Nothr'/m'U" to regenerate in lhamnlc and high altitude callidendrous rainforest. The spatial distribution of mature A. stems at some sites suggests that they have originated on past landslides. Leptospermum scoparium and Eucalyptus vemicosa seedlings were also present at some of the sites inve...

2014
Devin McPhillips Paul R. Bierman Dylan H. Rood

Geologic records of landslide activity o er rare glimpses into landscapes evolving under the influence of tectonics and climate. Because the deposits of individual landslides are unlikely to be preserved, landslide activity in the geologic past is often reconstructed by extrapolating from historic landslide inventories. Landslide deposits have been interpreted as palaeoclimate proxies relating ...

2017
Zongji Yang Wei Shao Jianping Qiao Dong Huang Hongling Tian Xiaoqin Lei Taro Uchimura

Landslide monitoring and early warning systems are the most successful countermeasures to reduce fatalities and economic losses from landslide hazards. The traditional strategies such as GPS and extensometers are relatively expensive and difficult to be installed in steep, high mountains. In this study, a MEMS (Micro Electro Mechanical Systems) based multivariate wireless monitoring sensor unit...

2016
F. Guzzetti M. Galli P. Reichenbach F. Ardizzone M. Cardinali

We present the results of the application of a recently proposed model to determine landslide hazard. The model predicts where landslides will occur, how frequently they will occur, and how large they will be in a given area. For the Collazzone area, in the central Italian Apennines, we prepared a multi-temporal inventory map through the interpretation of multiple sets of aerial photographs tak...

2017
H. B. Wang J. M. Li B. Zhou Y. Zhou Z. Q. Yuan Y. P. Chen

Background: In the last few decades, the development of Geographical Information Systems (GIS) technology has provided a method for the evaluation of landslide susceptibility and hazard. Slope units were found to be appropriate for the fundamental morphological elements in landslide susceptibility evaluation. Results: Following the DEM construction in a loess area susceptible to landslides, the...

Journal: :Remote Sensing 2016
Xuguo Shi Mingsheng Liao Menghua Li Lu Zhang Cory Cunningham

In recent years, satellite synthetic aperture radar interferometry (InSAR) has been adopted as a spaceborne geodetic tool to successfully measure surface deformation of a few well-known landslides in the Three Gorges area. In consideration of the fact that most events of slope failure happened at places other than those famous landslides since the reservoir impoundment in 2003, focusing on a li...

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