نتایج جستجو برای: gentle slope corridor
تعداد نتایج: 61862 فیلتر نتایج به سال:
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Abstract The reasonable scale of urban river ecological space and the connectivity bank slope water soil exchange are basic conditions to keep flow matter, energy species in unimpeded, as well way out for dilemma governance. concept resilience spatial planning is used break artificial partition between land space, explore compound function realize integration synergism space.The research shows ...
The Ice Free Corridor has been invoked as a route for Pleistocene human and animal dispersals between eastern Beringia and more southerly areas of North America. Despite the significance of the corridor, there are limited data for when and how this corridor was used. Hypothetical uses of the corridor include: the first expansion of humans from Beringia into the Americas, northward postglacial e...
The Sistan Plain for a long time has faced hazards of flood, drought and sandstorm. Also due to existence of abundant water resources it had been one of the important places for men’s placement. So far, no comprehensive study has been done on environmental hazards which would include ways to overcome or decrease their impacts in Achaemenid era. The present survey aims for studying the reciproca...
Ecological aspects of abandoned lands can be determine from many aspects, including the family diversity and ability to absorb water. This study aims important value index based on tree water (infiltration rate permeability) land after traditional gardens. The vegetation survey trees with a diameter at breast height (DBH) >5 cm was carried out 10 sub-plots each measuring 20 m × m. Infiltrati...
Miombo woodlands (MW) are increasingly experiencing widespread land use and cover change (LULCC). This study explores the influence of fire, agriculture, slope variability on LULCC in miombo Beira Corridor. Land data were derived from three Landsat images for 2001, 2008, 2018. Slope attributes Shuttle Radar Topography Mission (SRTM). Monthly burned Moderate-Resolution Imaging Spectroradiometer ...
Transport networks play a crucial part in the global economy, with roads and railways being of particular importance at regional and national scales. However, roads and railways are founded on earthworks such as embankments, which can be susceptible to slope failure. Slope instability is a costly problem, which can lead to travel disruption, and injury or loss of life. Earthwork stability asses...
The rhyolitic flows and sills in the extremity of Ghal'eh-chay river (East of Ajabshir, East Azerbaidjan) are exposed in the Lalun sandstone deposits. Compositionally, these rocks are rhyolite and are composed of euhedral quartz phenocrystals and subhedral perthitic orthoclases in a glassy to fine grained matrix containing quartz, k-feldspar and minor sodic plagioclases. There are not any ferro...
Recently, D’Odorico and Fagherazzi (2003) proposed “A probabilistic model of rainfall-triggered shallow landslides in hollows” (Water Resour. Res., 39, 2003). Their model describes the long-term evolution of colluvial deposits through a probabilistic soil mass balance at a point. Further building blocks of the model are: an infinite-slope stability analysis; a steady-state kinematic wave model ...
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