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。
The studies of soil erosion assessment on regional scale is reduced to three categories depending on temporal scales.
传统数据采集方法严重制约了土壤侵蚀评价实时、快速的要求。
The traditional data collection method for purpose of soil erosion evaluation can not satisfy the real time and frequent request.
利用遥感技术有助于土壤侵蚀的评价,它可以为土壤侵蚀评价提供所需的空间数据。
Remote sensing contributes to assess erosion, and it can provide the spatial data, which is required by assessing erosion.
因此,进行土壤侵蚀评价是非常重要的,但其往往受到数据可用性和数据质量的限制。
Then it is very important to assess erosion, which is limited by data availability and data quality.
采用AML编程方式实现计算机自动化土壤侵蚀评价,过程可重复性强,结果更加客观、合理。
Soil erosion assessment was calculated by computer automatically by the AML program. The assessment process was easy to repeat and the result was more impersonal and reasonable.
用该系统对山西省离石县王家沟流域羊道沟的土壤侵蚀进行了试验研究,并对试验结果进行了系统评价。
Moreover, the author makes a test research with the system on soil erosion in Yangdaogou Gully of Wangjiagou Watershed in Lish County, Shanxi Province, and evaluates the test results systematically.
利用该系统对密云水库上游密云县境内水源保护林的水源涵养与防止土壤侵蚀效益进行了定量评价。
A quantitative evaluation of beneficial result in conserving water and protecting soil erosion of froest in the upper stream of Miyun reservoir is produced from the information system.
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 model, NDVI-vegetation coverage, can provide support to develop regional soil erosion model.
采用RUSLE模型,从建立的河北省农业资源环境数据库中提取相关数据,对河北省土壤侵蚀风险进行定量化评价。
The correlative data was selected from the established database of agricultural resources and environment, and the soil erosion risk was quantified by using RUSLE model.
本研究成果对于漾濞县的土壤侵蚀防治,水土资源管理和土壤侵蚀定量评价具有重要意义。
The results of this study can be used to control soil loss, manage water and soil resources and evaluate soil erosion in Yangbi.
对稳定性稀土元素和几种核素复合示踪土壤侵蚀与泥沙来源研究的国内外研究进展,进行了总结和评价。
The studies of those that stable rare earth elements trace soil erosion process and several nuclides are compounded together to distinguish source of sediment are also summarized and evaluated.
AGNPS模型是美国研制的、专用于模拟小流域土壤侵蚀、养分流失和预测评价农业非点源污染状况的计算机模型。
AGNPS (agricultural non point source) model is a computer model specialized for predicting and evaluating the agricultural non point source pollution of a watershed.
介绍并评价目前开发建设项目土壤侵蚀模数预测的几种方法。
This paper analyses the present prediction methods on soil erosion modulus for development and construction projects.
在世界上的许多地方,土壤侵蚀预测在土地管理及评价方面已具重要作用。
The prediction of soil erosion has played a very important role in the management and assessment of land in most parts of the world.
通过土壤资源的适宜性评价与土壤利用现状比较,指出土壤资源利用不合理是导致土壤侵蚀退化的根本原因。
Meanwhile, it shows that the reason of soil degenerated by erosion is the unreasonable use of land by comparing present situation of land utilization and its adaptability.
植被破坏加速侵蚀过程及其导致的土壤质量退化是土壤侵蚀环境效应评价的重要内容。
Accelerated erosion process and soil degradation caused by deforestation is important research topic in soil erosion effect assessment.
其中区域土壤侵蚀现状又被区分为土壤侵蚀风险评价和侵蚀量估算。
Soil erosion actual status survey and assessment on regional scale also can be divided into soil erosion risk ranking and soil loss quantitative assessment.
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。
The regional soil erosion situation is evaluated when remote sensing data are applied to interpret vegetation cover.
研究结果对定量评价草被减流减沙作用和深化土壤侵蚀力学过程有一定的参考意义。
The experiment results are meaningful for quantifying runoff and sediment reduction and deepening soil erosion mechanical process also.
研究结果对定量评价草被减流减沙作用和深化土壤侵蚀力学过程有一定的参考意义。
The experiment results are meaningful for quantifying runoff and sediment reduction and deepening soil erosion mechanical process also.
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