نتایج جستجو برای: geomorphic index

تعداد نتایج: 398158  

Journal: :مرتع و آبخیزداری 0
امید بیات گروه خاک شناسی دانشگاه صنعتی اصفهان حمیدرضا کریم زاده استادیار مرتع و ابخیزداری/ دانشکده مهندسی منابع طبیعی/ دانشگاه صنعتی اصفهان مصطفی کریمیان اقبال دانشیار خاکشناسی/ دانشگاه تربیت مدرس حسین خادمی گروه خاکشناسی/ دانشگاه صنعتی اصفهان

despite of suitable geological and climatic conditions for forming and evolution of alluvial fans and importance of this landform as soil and water resources in arid regions, there are limited studies about this landform in iran. in the present study, evolution and pedogenic development of geomorphic surfaces of an alluvial fan in eastern isfahan were studied by using remote sensing, field and ...

2005
ElSayed Ali Hermas Ibrahim

Analyzing the Connectivity Potential of Landscape Geomorphic Systems: A Radar Remote Sensing and GIS Approach, Estufa Canyon, Texas, USA. (August 2005) ElSayed Ali Hermas Ibrahim, B.S., Mansoura University; M.S., Mansoura University Chair of Advisory Committee: Dr. John R. Giardino Connectivity is considered one of the fundamental aspects that influences the rate of mass movement in the landsca...

Journal: :پژوهش های جغرافیای طبیعی 0
فریبا کرمی

in this study, the quaternary deformation and tectonic activity of saeedabad-chai drainage basin, are assessed using geomorphic approach. this drainage basin is located in northern slope of sahand mountain. north tabriz fault (ntf), is passing from the saeedabad-chai basin. variation in the morphology of mountain front provied the basis for geomorphic assessment of tectonic activity. therefore,...

Journal: :مدیریت خاک و تولید پایدار 0
شمس الله ایوبی دانشکده کشاورزی، دانشگاه صنعتی اصفهان فریده عباس زاده گروه خاکشناسی- دانشگاه صنعتی اصفهان اعظم جعفری دانشگاه باهنر کرمان حسین خادمی گروه خاکش ناسی دانشگاه صنعتی اصفهان

knowledge about spatial soil variation in terms of measured pedodiversity offers the possibility to estimate the quality and variance within a soil map. diversity indices and abundance distribution models are statistical tools which ecologists have applied for decades for analyzing the intrinsic regularities of various ecological entities. in this study relationships between soils evolution, la...

Journal: :journal of tethys 0

study of tectonic affects in many fluvial systems shows that, rivers are valuable tools to active tectonics surveying. study of stream channels and their associated deposits offset by faulting may reveal the amount displacement at particular site and give information that is critical for future earthquake hazards evaluation. study area which is a subbasin of atrak river is located at the ne ira...

Journal: :journal of tethys 0

in central part of kopeh dagh there is an array of active right-lateral strike-slip faults that obliquely cut the range and produce offsets of several kilometers in the geomorphology and geological structure. geomorphic indices indicate the presence of differential uplifting in history of this area. tectonic activity of the study area is investigated by a large number of dem derived catchments ...

2017
Scott R. Abella

Geomorphology is a dominant factor influencing vegetation distribution in the southern Appalachians, and quantifying landform characteristics is increasingly important for forest ecosystem classification. This study used slope gradient and two previously published geomorphic indices, terrain shape index and landform index that quantify landform shape and protection, to develop a field-based lan...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1971
L B Ronca

Two ages are attributed to each circular lunar sea, the age of formation of the circular basin, probably by impact, and the age of the filling of the basin by lava-like effusions.Each lunar-sea surface displays a range of geomorphic indices. This is interpreted as being due to the presence of effusions of different ages on the surface of each sea. The landing sites of Apollo 11 and 12 have geom...

Extended abstract 1- Introduction Soil erosion by water is a dominant geomorphic process which threatens food security in most parts of the world .The geomorphic characteristics of a watershed play an important role in watershed hydrology, soil erosion processes and sediment yield. Geomorphic characteristics can be an indicator of soil erosion and sedimentation of a watershed. Geomorphic char...

Journal: :Journal of environmental management 2017
M Rinaldi B Belletti M Bussettini F Comiti B Golfieri B Lastoria E Marchese L Nardi N Surian

Hydromorphological stream assessment has significantly expanded over the last years, but a need has emerged from recent reviews for more comprehensive, process-based methods that consider the character and dynamics of the river with greater accuracy. With this as a focus, a series of hydromorphological tools have been developed and/or further extended in Europe within the context of the REFORM ...

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