نتایج جستجو برای: Gullying process

تعداد نتایج: 1312408  

2010
Leslie M. Reid Nicholas J. Dewey Thomas E. Lisle Susan Hilton

a r t i c l e i n f o The distribution and morphological characteristics of channels were mapped in a redwood forest at Caspar Creek, California, USA, to evaluate the extent to which recent logging has influenced channel conditions in the area. In the North Fork Caspar Creek watershed, second-cycle logging of the early 1990s appears to have triggered increased coalescence of discontinuous gulli...

Journal: :Journal of Engineering and Applied Science 2023

Abstract Safety and maintenance of railway tracks has been very crucial, for sustainable economic development many nations. Almost the entire Indian were built over raised earth embankments. These embankments are susceptible to slope failure due numerous reasons. One major cause is seepage surface runoff during rainy (monsoon) season. Erosion by gullying regarded as most significant scar. Vario...

2016
Naïm Perreault Esther Lévesque Daniel Fortier Laurent J. Lamarque

Continuous permafrost zones with well-developed polygonal ice-wedge networks are particularly vulnerable to climate change. Thermo-mechanical erosion can initiate the development of gullies that lead to substantial drainage of adjacent wet habitats. How vegetation responds to this particular disturbance is currently unknown but has the potential to significantly disrupt function and structure o...

2017
Andrew Brooks John Spencer Jon Knight

Alluvial gully erosion is a likely key sediment source into many large rivers in tropical Australia. This type of gullying differs fundamentally to the generally accepted gully model from Southern Australia, in that it is found exclusively within alluvium and can propagate entirely as a result of basal sapping. The process is found to varying degrees within alluvial river types along most Gulf ...

Journal: :Earth Sciences Research Journal 2022

Soil degradation induced by gully erosion represents a worldwide problem in the many arid and semi-arid countries, such as Iran. This study assessed: (1) importance of variables that control using Boruta algorithm, (2) relationship among causative gullied locations evidential belief function model (EBF), (3) development algorithms boosted regression tree (BRT) support vector machine (SVM). Base...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده ادبیات 1391

nothing affects learners more than assessment, so it is important to involve them in assessment process. involvment of learners in assessment helps them to become autonoumos learners. despite this importance iranian learners specialy javanroodian ones are not activily involved in the process. hence the aim of this thesis is to invesrtigate thier ability in th eassessment process

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