黑垆土是我国西北黄土侵蚀地区主要的地带性土类,也是一种古老的耕种土壤。
The dark loessial soil (Heilutu) is not only a main zonal soil group in the loess plateau of northwestern China, but an ancient cultivated soil.
以野外试验和室内分析相结合的方法,研究了黄土高原南部黄土侵蚀时养分变化的规律。
Based on field experiment and laboratory analysis, regular pattern of variation of soil nutrient was studied in south of the Loess Plateau.
中国的黄土高原是人类活动加剧土壤侵蚀,从而使经济受损的一个极端例子。
The Chinese Loess Plateau is an extreme example of human-induced soil erosion and the resulted economic sufferings.
采用模拟降雨试验方法研究了黄土道路侵蚀过程,取得了如下结果。
Based on simulated rainfall experiments, erosion processes on loess roads are studied, and following results are obtained.
黄土残塬区的沟道由于地质地貌基础及土壤侵蚀强度的不同而具有不同的形态特征。
Gullies located in the remained loess area have different formation features due to the different foundations of geology and geomorphology and intensity of soil erosion.
高含沙水流的频繁发生是黄土高原多沙粗沙区产生高强度侵蚀的重要原因。
The hyperconcentrated flow is an important factor to the high intensity erosion of the high-intensity and coarse sediment producing area of the Loess Plateau.
黄土高原土壤侵蚀异常强烈,并且大部分地区以水蚀为主。
Soil erosion on the loess plateau is very serious with water erosion in the main in most parts of the region.
改善和优化土地利用方式和结构是综合治理黄土高原人为加速侵蚀的关键。
To improve and optimize land use pattern and structure is one of the most effective ways to the control of human-accelerated erosion in the hilly-gully loess region.
黄土高原土壤侵蚀极其严重,这不仅导致了土壤生产力的降低,同时也导致了土壤的退化。
The serious soil erosion of the Loess Plateau has led to not only the reduction of soil productivity but also the soil degeneration.
利用径流冲刷试验,在不同植被格局的坡面上,对黄土丘陵区坡面不同植被格局的侵蚀产沙规律进行了研究。
According to a runoff scouring experiment on different vegetation patterns of slope faces, the loess hilly gully regions different vegetation patterns are studied.
本研究重点利用GIS辅助土壤侵蚀模型对黄土高原西部的祖厉河流域的土壤侵蚀问题进行了研究。
This research focuses on the erosion problem of ZuLi River basin in the western part of the Chinese Loess Plateau using GIS-assisted soil erosion model.
本文在分析黄土高原土壤侵蚀灾害的现状、危害及成因的基础上,提出了防治和减免土壤侵蚀灾害的对策。
The present paper puts forward the countermeasures against the soil erosion disasters in the loess plateau on the basis of analysis of their present situation, harm and causes.
滑坡侵蚀是重力侵蚀的主要类型之一,是黄土高原陡坡侵蚀产沙和沟道侵蚀产沙的主要来源。
Slide erosion, the main resource of gully sediment yield, is one of the most important types of gravity erosion.
该文介绍了这一模型在计算黄土坡面径流量及侵蚀量中的应用,并分析了存在的问题。
The model is used in estimating runoff and erosion from a experimental plot on the loess slope, the results and problems encountered are analysed.
本文介绍一种利用核素示踪技术研究黄土高原不同地形部位土壤侵蚀量的监测新方法。
A new method with nuclear technology to study soil erosion amount monitoring on different topography part in Loess Plateau is reported in this paper.
根据野外调查和实际测量资料,研究了黄土高原构造侵蚀期和期内造成的侵蚀。
According to the material of field investigation and survey, tectonic erosion periods and their erosion are studied.
针对黄土高原小流域土壤侵蚀的特点,对建造土壤侵蚀量模型系统进行了分析。
In accordance with the characteristics of soil erosion of small watershed in the loess plateau, the problem on building the soil erosion model system was analyzed.
现代黄土高原的水土流失是人类长期不合理利用土地资源而加速自然侵蚀的后果。
The soil and water erosion of modern loess plateau is a result that human long-term unreasonable make use of the land resources to accelerate the nature erosion.
坡地降雨漫流过程模拟精度的提高为进一步建立黄土坡地雨洪侵蚀过程数学模型打下了基础。
The improvement of the accuracy of rainfall-overland flow modeling is helpful for establishing the mathematical model of rainfall-erosion processes on the loess slope.
黄土有大空隙和湿陷性,在受水侵蚀后,就会产生很大的变形,引起不均匀沉降,造成建筑物的破坏。
Loess is featured with spacing and collapsibility, which will lead to serious distortion and asymmetry settlement and make buildings be destroyed as being eroded.
利用231个气象站多年平均年雨量资料估算了黄土高原地区多年平均降雨侵蚀力,并绘制了等值线图。
Average annual rainfall data from 231 weather stations were used to determine the spatial distribution of erosive rainfall.
在水力侵蚀作用下黄土破坏实质上是剪切破坏,但土壤抗剪强度表现形式与外载荷作用形式密切相关。
The destruction of soil is shearing in effect, but the representation of soil anti-shearing strength is closely related to the mode of external load action.
通过室内人工降雨模拟试验,研究黄土坡面水流的水力学特征参数与土壤侵蚀量间的关系。
The relationship between hydraulic characteristics and soil erosion amount has been studied through rainfall simulator experiment on loess slope.
如何评价黄土高原自然侵蚀与人为加速侵蚀作用 ,恢复与重建植被的可能性和必要性等是近年来治理黄河的热点问题。
There have been many arguments on how to evaluate the natural erosion and man_made accelerated erosion, the possibility to recover and rebuild vegetation on loess plateau.
紫色土区目前已经成为仅次于黄土区的第二大侵蚀区,直接影响到长江流域以及三峡库区水土流失和生态环境。
This area affecting the soil and water loss and Ecological Environment of Yangtze River watershed and Three Gorges area directly has become the second largest erosion area after the Loess Plateau.
黄土高原是我国,也是世界上土壤侵蚀最严重的地区之一。
The Loess Plateau is one of the most serious regions of soil erosion both in China and in the world.
黄土高原是我国,也是世界上土壤侵蚀最严重的地区之一。
The Loess Plateau is one of the most serious regions of soil erosion both in China and in the world.
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