نتایج جستجو برای: gully
تعداد نتایج: 1038 فیلتر نتایج به سال:
Astract: This paper shows how recent situation of soil erosion evaluation and prediction on a regional scale based on the techniques of spatial information. The study, which was carried out in central China, identified sediment discharge, precipitation, soil composition, gully density and land use as erosion factors at the regional level. It showed that soil erosion can be assessed and predicte...
A new survey of Mars Orbiter Camera (MOC) narrow-angle images of gullies in the 30◦–45◦ S latitude band includes their distribution, morphology, local topographic setting, orientation, elevation, and slopes. These new data show that gully formation is favored over a specific range of conditions: elevation (−5000 to +3000 m), slope (>10◦), and orientation (83.8% on pole-facing slopes). These dat...
The paper presents the way in which the electrical control and automation system of the 5 mc combined sewer and gully cleaning vehicle equipped by a local company was designed, using the intelligent relay of the easy 700 type of Moeller (Eaton) company. The control of all the equipments is performed locally from the control panel and some of them can also by remote controlled by means of the ra...
The primary purpose of this study was to extend theory and research regarding the emergence of mental models and transactive memory in teams. Utilizing Kozlowski, Gully, Nason, and Smith's (1999) model of team compilation, we examined the effect of role identification behaviors and posited that such behaviors represent the initial building blocks of team cognition during the role compilation ph...
Environmental conflict management involves the management of multiple stakeholders with conflicting stakes. In this paper, an attempt is made to develop a shared mental model of stakeholders in an environmental conflict. The Transmission Gully project, a large-scale transport infrastructure project in the Wellington region of New Zealand is used as a case study. Selected stakeholders of this pr...
Article history: Incised coastal channels ar Received 22 February 2008 Received in revised form 21 April 2008 Accepted 23 April 2008 Available online 8 May 2008
Gully erosion is a major environmental problem, posing significant threats to sustainable development. However, insights on techniques prevent and control gullying are scattered incomplete, especially regarding failure rates effectiveness. This review aims address these issues contribute more successful gully prevention strategies by synthesizing the data from earlier studies. Preventing format...
Badlands and gullied areas are among those geomorphic environments with the highest erosion rates worldwide. Nevertheless, records of their evolution and their relations with anthropogenic land transformation are scarcer. Here we combine historical data with aerial photographs and tree-ring records to reconstruct the evolution of a badland in a Mediterranean environment of Central Spain. Histor...
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