搜索结果: 1-6 共查到“土壤学 R factor”相关记录6条 . 查询时间(0.265 秒)
EFFECT OF DEM RESOLUTION ON LS FACTOR COMPUTATION
LS factor DEM resolution slope exponent multi-flow direction algorithm watershed
2019/2/27
LS factor plays a key role in soil erosion risk assessment using widely adopted empirical models such as RUSLE (Revised Universal Soil Loss Equation). The study was carried out to estimate the impact ...
Comparison of different approaches to LS factor calculations based on a measured soil loss under simulated rainfall
geographic information systems topographic factor universal soil loss equation water erosion
2017/6/26
Geographic Information Systems (GIS) in combination with soil loss models can enhance evaluation of soil erosion estimation. SAGA and ARC/INFO geographic information systems were used to estimate the ...
Soil organic carbon dynamics and its influence on the soil erodibility factor
agrotechnical erosion control measures soil erodibility factor soil erosion soil organic carbon
2015/3/5
The effect of erosion and erosion control measures on changes in the amount of organic matter in soil was studied. We investigated the influence of organic matter inputs into the soil on surface runof...
Differentiation and regionalization of rainfall erosivity factor values in the Czech Republic
rainfall rainfall erosivity factor water erosion
2015/3/5
The rain erosivity R-factor is one of the main parameters in the Universal Soil Loss Equation (USLE). This paper describes the procedure used to update, differentiate and regionalize the rainfall eros...
Revised soil erodibility K-factor for soils in the Czech Republic
water erosion soil erodibility soil structure permeability soil texture organic matter
2015/1/30
In the territory of the Czech Republic there are more than 50% of agricultural soils exposed to water erosion; it is a very urgent problem both at present and for the future. It must be solved now whe...
Field Determination of the Specific Input Characteristics to Calculate the Value of C Factor of Time-variable Crops for the Revised Universal Soil Loss Equation (RUSLE)
soil erosion by water soil loss RUSLE time-variable characteristics of crops effective root mass canopy cover fall height
2015/1/28
To determine specific characteristics necessary for the computation of the C factor in RUSLE for timevariable crops, measurements were carried out in fields with selected agricultural crops grown by c...