نتایج جستجو برای: physiographic conditions
تعداد نتایج: 848738 فیلتر نتایج به سال:
India is gifted with heterogeneous landforms and variety of climatic conditions such as the lofty mountains, the raverine deltas, high altitude forests, peninsular plateaus, variety of geological formations endowed with temperature varying from arctic cold to equatorial hot, and rainfall from extreme aridity with a few cms (<10 cm) to perhumid with world’s maximum rainfall (1120 cm) of several ...
The aim of this study was to investigate the relationship between physical and chemical properties of soils with vegetation distribution in Divan-Darre rangeland as one of the most important rangelands in Kurdistan province. For this purpose, a random systematic 150 m × 200 m gird sampling plan was used to establish 90 sampling plots. In each plot, soil factors and percent cover of each plant s...
Estimated time of concentration is one of the most important topics in the study of watershed physiographic and hydrology and relatively accurate estimates of that effects on other hydrologic parameters, including peak flood discharge. Despite numerous empirical formulas and widespread application in Iran, up to now a study hasn’t been done about the best relationship and important physiographi...
In this analysis, a semi-distributed conceptual runoff model was applied in five basins varying in area between 43 and 195 km, lying in different physiographic regions of Switzerland (lowland, alpine, heavily glaciated high alpine basins) representing various runoff regimes. An objective, labour-intensive optimization procedure was developed and found suitable for deriving optimal parameter val...
Wildfire is a global phenomenon that has dramatic effects on erosion and flood potential. On steep slopes, burned areas are more likely to experience significant overland flow during heavy rainfall leading post fire debris flows (PFDFs). Previous work establishes methods for PFDF hazard assessment, often relying regional-scale parameterizations with in-situ measurements categorize as function o...
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