نتایج جستجو برای: gullies morphometric
تعداد نتایج: 19253 فیلتر نتایج به سال:
. In this study, morphological variation of three species of Squalius in Iranian basins was studied. For this purpose, 709 specimens were captured from the Caspian Sea, the Urmia Lake, the Namak Lake and the Tigris basin. After anesthetizing in clove oil solution and fixing in 10% neutralized formalin, specimens were transferred to the Isfahan University of Technology Ichthyology Museum (IUT-IM...
planning of watersheds is indispensable in terms of sustainable development and landscape management. therefore, watershed prioritization and morphometric characterization are important to identify hydrological behavior of the basin for conducting management strategies. in this study, geospatial-statistical approach was used for identifying critical and priority sub-watersheds in the golestan w...
[1] We have conducted surveys of gullies that developed in a small, steep watershed in the Idaho Batholith after a severe wildfire followed by intense precipitation. We measured gully length and cross sections to estimate the volumes of sediment loss due to gully formation. These volume estimates are assumed to provide an estimate of sediment transport capacity at each survey cross section from...
different types of soil erosion including gully erosion occur in many parts of iran. the west of iran is further threatened by gully erosion due to its specific physical and climatic conditions. however, few studies have been carried out to study the sediment production of gully erosion in iran. this research was therefore conducted to measure storm-wise sediment production of gully erosion in ...
Soil erosion is one of the most challenging environmental issues in world, causing unsustainable soil loss every year. In South Africa, several episodes gully have been documented and clearly linked to presence Quaternary colluvial deposits on Drakensberg Mountain footslopes. The aim this study was identify assess triggering factors upper Mkhomazi River basin KwaZulu-Natal, Africa. We compiled ...
Focal cortical dysplasias type II (FCD II) are highly epileptogenic lesions frequently causing pharmacoresistant epilepsy. Detection of these lesions on MRI is still challenging as FCDs may be very subtle in appearance and might escape conventional visual analysis. Morphometric MRI analysis is a voxel-based post-processing method based on algorithms of the statistical parametric mapping softwar...
In this study, we present a semi-automatic procedure using Neural Networks— Self Organizing Map—and Shuttle Radar Topography Mission DEMs to characterize morphometric features of the landscape in the Man and Biosphere Reserve “Eastern Carpathians”. We investigate specially the effect of two resolutions, SIR-C with 3 arc seconds and X-SAR with 1 arc second for morphometric feature identification...
in this study, by examining the character of the morphometric and meristic in which cyprinion macrostomus samples obtained from different locality in tigris, morphometric character which are transformed subject to discriminant analysis and depending on grouping model to number of discriminant functions and according to importance of these totally variance, morphogical variance among populations...
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