نتایج جستجو برای: pediment
تعداد نتایج: 82 فیلتر نتایج به سال:
Paleosols provide invaluable data on paleoclimatic conditions of the area. These soils widely exist in central Iran. Micromorphology and clay mineralogy are among valuable techniques which are useful for interpretation and identification of these soils. The present research was performed to compare the micromorphology and clay mineralogy of paleosols and modern soils of Jiroft area. After field...
In recent years, the occurrence of water and wind erosion indifferent parts of country due to the changes of land use from the forest andpasture into the agricultural and also construction of communication lineshave increased. The study and research on this phenomenon, the effectivefactors in creating them and also identification of geomorphology faciestypes are necessary to prevent the waste o...
abstract geomorphology and soil genesis and its development are closely related. besides, soil-landscape studies provide a better understanding of soil forming processes. the objectives of the present research include soil genesis studies, micromorphology and clay mineralogy of soils related to geomorphic surfaces in jiroft area. soil temperature and moisture regimes of the area are hyperthermi...
These days, application of geomorphology in regional development has attracted the attention of all planners. Role of geomorphology in recognition of desert regions the method of developing these regions by surveying type / unit and fascias can confirm them as being desert on not. This becomes important when in sensitive regions whereas the recognition of the border between deserts and other re...
Landsat TM and ASTER data were used in the neotectonics study of Western Mongolia. The latter has been one of the most seismically active intracontinental regions of the world in this century. The occurrences of earthquakes are mostly controlled by active faults. The relief in the area is remarkable due to its sharp contrasts and the multitude and variability of the morphological elements: high...
in order to recognize the wind erosion situation of a region, the survey of its windiness is not sufficient and the physical characteristics of earth are of importance too. in fact, the outbreak of dust storms in a region is due to the sensitivity of earth and domination of wind in that region. in this investigation we have tried to find a way for determining the regions in which a dust storm i...
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