Runoff is an essential factor for regional soil and water loss.
径流是区域水土流失的基础。
The model, NDVI-vegetation coverage, can provide support to develop regional soil erosion model.
多重因子数据库和NDVI-植被盖度关系，可以为区域土壤侵蚀定量评价提供支持。
The method of regional soil nutrient management was studied based on systematic cluster analysis.
探讨了基于系统聚类分析对大田小麦进行区域化土壤养分管理的方法。
Initial results indicate relief is the best topographic factor in assessment of regional soil and water loss.
初步研究表明，其中地形起伏度是区域水土流失评价的最佳地形指标。
The spatial distribution characteristics of regional soil and water loss are affected by geological scale greatly.
山区区域水土流失的空间分布特征很大程度上受地质尺度的控制。
Furthermore, the maps of regional soil drought are obtained based on the model and the needs of crops on soil water.
根据作物对土壤水的要求，进一步求得了区域土壤旱情分布图。
The regional soil erosion situation is evaluated when remote sensing data are applied to interpret vegetation cover.
应用遥感数据解译地表植被覆盖情况，从而进一步评价土壤侵蚀现状。
Regional soil erosion model is a effective tool for regional soil erosion survey and policy-making of water and soil conservation.
区域土壤侵蚀模型是国家和区域土壤侵蚀调查、水土保持宏观规划的支持工具。
It can realize remote sensing monitoring of regional soil loss by taking USLE as a platform through using the technology of remote sensing and GIS.
结合遥感与地理信息系统(GIS)技术，可以实现以usle为平台的区域土壤流失遥感监测。
Under the background of global climate change, extreme rainfall occurs frequently, and it aggravates the situation of regional soil erosion control.
在全球气候变化的大背景下，极端降雨事件时有发生，加重了区域水土流失防治的难度。
At present, how to use a unified standard to simulate and predict regional soil erosion has become a common issue for decision-makers and researchers.
目前，如何用统一的标准来模拟和预测区域土壤侵蚀成为决策者和研究者共同关注的问题。
When the simulation model combined with GIS, it was easy to evaluate regional soil nitrogen behaviors under different treatments of water and nitrogen.
结果表明，通过模型计算与地理信息系统相结合，便于评价不同水氮管理、不同降雨年型条件下区域农田土壤水、氮素行为。
This method is highly efficient and can improve the speed and efficiency of regional soil erosion monitoring. It is an effective way to study regional soil erosion.
该监测方法省时省力，极大地提高了土壤侵蚀动态监测的速度和效率，为大范围的土壤侵蚀动态监测研究提供了有效途径。
It is important to research on the distribution rule of the regional soil carbon pool for the study of global change, soil fertility and ecosystem function appraisal.
研究区域土壤碳库的分布特征对于全球变化研究、土壤肥力和生态系统的功能评价具有重要意义。
Regional soil erosion model is an effective tool for predicting the loss of soil and water, planning soil and water conservation, optimize the utilization soil and water resource.
区域水土流失模型是预报水土流失、指导水土保持措施配置、优化水土资源利用的有效工具。
The geographic distribution of regional soils such as loess soil, laterite soil andexpansive soil in China and their special engineering properties are briefly described in this paper.
文章论述了我国地区性土（黄土、红土和胀缩土）的地理分布和工程地质特性，分析了各类地区性土的物质成分和微结构特征以及它们的区域性变化规律。
The main contents were as follows:1). To divide the regional soil erosion into two sub-processes of water and sand, according to the description of the process of sloping soil erosion;
主要内容：1，基于坡面尺度上对水土流失过程的描述，并将区域尺度水土流失的过程划分为水和沙两个子过程。
In conventional soil environment quality evaluation, the regional soil background values or the contents in the soil control points of evaluated region were used as evaluation criteria.
以往土壤环境质量评价中，一般是以区域土壤背景值或评价区土壤对照点含量作为评价标准。
The macroscopic monitoring for soil erosion, or "regional soil erosion monitoring" is the very data basis for making strategic decision and relevant research of regional soil and water conservation.
土壤侵蚀宏观监测或区域土壤侵蚀监测，是区域水土保持战略决策和相关研究的最基本的数据基础。
The Mediterranean climate, with mild winters and sufficient sunshine especially in spring and autumn, plus specific, regional soil conditions, favour the vinification of wines with character and body.
地中海气候，冬天暖和，春天和夏天阳光充足，加上独特的地方性土壤条件，非常有利于葡萄酒的风格和酒体的形成。
Color differences are most likely due to regional changes in surface composition or the sizes and structures of the grains in the moon's icy soil.
颜色的差异很可能是因为卫星表面冻土的成分或者粒度与结构的区域性变化。
To take charge of works on regional conservation of water and soil; to guide and coordinate the administration and infrastructure construction of countryside water utilities.
负责本区水土保持工作；指导、协调农村水务基本建设和管理。
It is rooted in the vast civil Jianghuai this soil, with distinct regional characteristics and unique artistic features.
它植根于广袤的江淮民间这块土壤之中，具有鲜明的地域特色和独特的艺术特征。
Red soil is a widely regional special soil which has high porosity ratio, high water content, high strength and low compressibility.
红土是一种广泛分布的具有高孔隙比、高含水率、高强度和低压缩性的区域性特殊土。
The coordinate effects of four soil indexes strictly determine the regional differences in water erosion process, shapes and harms.
在地形等因子不变条件下，四个土壤指标的协同作用决定了区域水蚀过程、形态和危害；
Basic data in mapping soil background content has 302 analytical data of soil elements and regional distribution which are mapped with computer plotting and factor analysis.
编制土壤背景值图的基础资料有302个样点的无素测定值和运用计算机制图和因素分析法揭露的元素区域分布规律。
The studies of soil erosion assessment on regional scale is reduced to three categories depending on temporal scales.
对目前区域尺度上土壤侵蚀评价的主要研究内容进行了归纳。
There are a lot of studies on soil erosion models in China in the recent years, and many hillslope models, watershed models and regional models have been built up.
近年来，我国在土壤侵蚀产沙模型方面进行了大量研究，建立大量的坡面、流域及区域侵蚀产沙模型。
The authors make full use of geological structural characteristics of SWRI to estimate the regional distribution of soil moisture in a large area.
利用土壤水资源信息的地质学结构特征，对大面积土壤墒情区域分布预测；
The authors make full use of geological structural characteristics of SWRI to estimate the regional distribution of soil moisture in a large area.
利用土壤水资源信息的地质学结构特征，对大面积土壤墒情区域分布预测；
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