نتایج جستجو برای: gully morphology

تعداد نتایج: 146786  

Journal: :Frontiers in Environmental Science 2021

The Loess Plateau has long been suffering from serious soil erosion of which the slope-gully system is now dominant. characterized with distinctive distribution zones consisting inner and inter gully areas wherein patterns spatially vary, acting as both sediment source dominant water transport mechanism. In this paper, a substantial body research reviewed concentrating on processes control prac...

Journal: :ISPRS international journal of geo-information 2021

Gully erosion is well-developed in the Jinsha dry-hot valley region, which has caused serious soil losses. volume regarded as an effective indicator that can reflect development intensity of gully erosion, and evolutionary processes gullies be predicted based on dynamic variation volume. Establishing prediction model essential to determine accurately conveniently. Therefore, this work, empirica...

Journal: :Memoirs of the National Museum of Victoria 1972

Journal: :Journal of Spatial Science 2022

Gully erosion is known to affect soil productivity, and limit land use in many parts of the world. To assess susceptibility soils gully erosion, triggering factors must be analyzed. A simulation development over time was implemented Python – GIS modules based on topographic characteristics study area, properties, measured runoff. The results show that developed allow a successful data preparati...

Journal: :desert 2008
h. ahmadi a. a. mohammadi j. ghodousi a. salajegheh

gully erosion is one of the most complicated and destructive forms of water erosion. in order to prevent this erosion, the important factors advancing gully head must be recognized. nowadays, several models have been proposed in measuring gully head advancement and identifying the severity of erosion. these models must be calibrated for each country to see whether they are applicable or not. so...

Journal: : 2021

Gully Erosion Classification in Kermanshah Province using Relative Similarity Analysis with Morphometric and Soil Auxiliary Variables

2011
S. J. Conway

We found that craters in the mid-latitudes of Mars possess a marked asymmetry, which is linked with the occurrence of gullies. We also found that a prerequisite for gully formation is the occurrence of steep slopes. The analysis was performed in three areas with elevation data from the High Resolution Stereo Camera (HRSC) on-board Mars Express. Figure 1: MOLA global map with our study sites mar...

Journal: :Sustainability 2022

Exploring the phenomenon of surface cracks and abnormal ground behavior during coal mining under gully landforms, laboratory physical similarity simulation models were established to study movement characteristics laws working faces different methods landforms. The results indicate that in cases when a roadway is situated below top slope, corresponding deformation surrounding rock aggravated by...

Journal: :American journal of physical anthropology 2003
Stephen R Frost Thomas Plummer Laura C Bishop Peter Ditchfield Joseph Ferraro Jason Hicks

The Rawi Gully, located on the Homa Peninsula in southwestern Kenya, has produced several fossil elements of a large cercopithecid from sediments approximately 2.5 million years old (Ma). Nearly all of these elements appear to represent a single adult male individual of the colobine species Cercopithecoides kimeui Leakey, 1982. Part of the face, mandible, dentition, and several small postcrania...

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