usle相关论文
旨在评估不同地类土壤保持能力，预防与处理连云港土壤侵蚀问题。基于ENVI与ArcGIS软件，结合通用土壤流失方程（USLE）,以土壤保持量为评......
文章以USLE方程为理论指导，基于ArcGIS进行土壤侵蚀研究，选择降雨侵蚀力、土壤可蚀性、植被覆盖度、坡度等影响因子构建土壤侵蚀模型......
岷江上游因其特殊的地理位置影响着成都平原和长江下游的生态安全,因此近年来越来越受到关注。本文基于GIS和RS技术,以Landsat卫星......
以改建铁路干塘至武威南铁路增建二线工程为例,基于通用土壤流失方程(USLE),采用人工模拟试验的方法对项目区土壤侵蚀模数进行了测......
Use of 137Cs and 210Pbex fallout radionuclides for spatial soil erosion and redistribution assessmen
The steeply sloping agricultural highlands in Korea have severe soil erosion.Estimation of both soil erosion and sedimen......
Estimating rainfall erosivity by incorporating seasonal variations in parameters into the Richardson
Rainfall erosivity is an important climatic factor for predicting soil loss.Through the application of high-resolution p......
SOIL EROSION ASSESSMENT BASED ON THE UNIVERSAL SOIL LOSS EQUATION AND MULTI-FACTOR HIERARCHICAL COVE
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将地理信息系统与通用土壤流失方程(USLE)相结合进行密云县土壤侵蚀量的预测.在全面调查,收集研究区气候、地形、土壤等基础资料的......
作为全球卷板机行业的知名企业,瑞士HAEUSLER(豪斯乐)集团一直以来在金属成型行业不断树立新的标杆。历经85年的发展,HAEUSLER(豪......
本实验考虑了率定时高度对色斑的直径有一定的影响,并得到色斑直径和雨滴直径的关系为d=0.478D~(0.610),作为研究滤纸色斑法的基础......
The monitoring work was performed on soil erosion in Lizixi drainage arearespectively in 1986 and 1999 by multiple meth......
在加拿大魁北克省的一个小流域试验了AGNPS模型，以评价此模型在该省水文状况下的适用性和作用效果。本次试验对12次暴雨径流产生的......
Much of the western United States is considered to be rangeland. Rangeland areas produce a diverse mix of benefits and p......
With steep terrain and excessive rainfall, Taiwan is affected by severe soil erosion caused by summer typhoons and storm......
土壤侵蚀是全球范围内最严重的土壤问题之一,其发生发展过程直接妨碍水土资源开发利用,威胁着人类和动植物生存,阻碍社会经济进步......
武汉市位于桐柏山大别山国家级水土流失预防区与幕阜山省级水土流失治理区之间,其土壤侵蚀问题对长江中游生态安全具有重要影响。......
Assessing the USLE Crop and Management Factor C for Soil Erosion Modeling in a Large Mountainous Wat
Due to the impoundment of the Yangtze River, the Three Gorges Dam in China fosters high land-use dynamics. Soil erosion ......
Assessment of Soil Erosion and Sediment Yield in Liao Watershed, Jiangxi Province, China, Using USLE
Soil erosion by water is a serious problem all over the world. In China, about 1790000 km2 of land suffers from water er......
结合通用土壤流失方程(USLE)和USEPA开发的PLOAD方程,建立非点源污染计算模型,采用GIS技术及野外实验确定模型中各个因子,并将该模......
A new procedure to estimate the rainfall erosivity factor based on Tropical Rainfall Measuring Missi
Soil erosion by water is the most important land degradation problem worldwide.In this paper a new procedure was develop......
以仙鱼小流域为例,通过对各项措施图斑的平均坡度、坡长、保土措施、植被覆盖度、土地利用方式等调查,采用USLE方程的各参数因子,......
应用RS/GIS技术和景观生态学研究方法,利用通用土壤流失方程(USLE)分析了黄土高原马莲河流域2000年和2007年的景观格局变化与水土......
全球变化引起了一系列环境效应,土壤侵蚀是全球变化最为敏感环境效应之一。选择生态极其脆弱区小江流域作为研究对象,通过遥感影像......
坡长是USLE/RUSLE应用到流域尺度上较难提取的因子。本文从理论上对坡长进行分析,提出以流域分布式侵蚀坡长来反映地形因子的坡长......
Sensitivity analysis and calibration of the Modified Universal Soil Loss Equation(MUSLE) for the upp
Simulation models are widely used for studying physical processes such as surface runoff,sediment transport and sediment......
The impacts of rainfall direction on the degree of hydrological response to rainfall properties were investigated using ......
为较准确地评估洛川县的土壤侵蚀状况,通过结合GIS、RS、USLE、CSLE土壤侵蚀模型定量地分析了洛川县的土壤侵蚀状况。研究结果表明......
通过气象数据分析、实地调查、野外采样及室内分析、DEM计算、遥感解译等,建立了南水北调中线水源地丹江口水库区典型小流域地理数......
In order to monitor the pattern, distribution, and trend of land use/cover change(LUCC) and its impacts on soil erosion,......
以侵蚀模型-元胞自动机(CA)为基础,从其在土壤侵蚀时空演化、侵蚀产沙、荒漠化和盐渍化四种应用分析了元胞自动机在土壤侵蚀过程中......
Relationships Between Permeability and Erodibility of Cultivated Acrisols and Cambisols in Subtropic
The relationships between soil erodibility factor (K) and soil saturated permeability (Kfs) for cultivated Acrisols deri......
植被护坡工程是防治公路路域土壤侵蚀的一种措施,不同的工程措施和植被措施具有不同的防护效应。通过室内坡面径流小区模拟实验,结......
The paper discussed theory and methodologies of soil erosion assessment and established an implementation process accord......
Soil erosion in catchment areas reduces soil productivity and causes a loss of reservoir capacity.Several parametric mod......
Factor value determination and applicability evaluation of universal soil loss equation in granite g
Six types of runoff plots were set up and an experimental study was carried out to examine natural rate of soil and wate......
基于ArcGIS9.2,构建了生态系统减轻水库泥沙淤积的评估模型,并结合泥沙输移比(SDR)和通用水土流失方程(USLE),模拟了二滩水库集水......
以长江上游甘肃省尚沟流域为研究区,在遥感影像和GIS空间分析技术支撑下,根据USLE因子算法生成各因子栅格图,借助地图代数运算,估......
采用RS和GIS技术,基于USLE方程实现了热带地区海南岛松涛水库流域2003~2005年平均土壤侵蚀的定量模拟,通过情景分析研究了流域土壤......
Mapping the Risk of Water Erosion in the Watershed of the Ningxia-Inner Mongolia Reach of the Yellow
Mapping and assessing soil-erosion risk can address the likelihood of occurrence of erosion as well as its consequences.......
土壤保持是生态系统提供的重要调节服务之一,在区域侵蚀控制以及生态安全的维持方面具有不可替代的作用。以全国主体生态功能区划......
本文通过对上海市水土流失现状及水土保持措施总结,提出上海市水土流失重点防治区划分的原则与指标。结合野外实地调查,利用USLE模......
文章运用RS和GIS技术,结合通用土壤流失方程USLE(The Universal Soil Loss Equation),综合野外实地考察资料,建立定量评价内蒙古达......
适应性概念为可持续性科学领域提供了新的研究思维。论文在总结、梳理适应性内涵,整合相关适应性理论与方法的基础上,提出了基于风......
Evaluation of soil erodibility factor(k) for loess derived landforms of Kechik watershed in Golestan
The technique proposed by Wischmeier & Smith for estimating the soil erodibility factor is among the most important meth......
