流域侵蚀特征跟土地利用类型密切相关。
Erosion characteristics of watershed are closely related with land-use types.
人类活动是该流域侵蚀景观时空变化的主要驱动因素。
Human activity is the main driving factor for the dynamic variation of spatial pattern of landscape in this area.
该文以纸坊沟流域为例,分析了治理小流域侵蚀特征、产沙特征及综合治理减沙效益。
The features of erosion, sediment yield and sediment reduction by the comprehensive controlling are studied in Zhifang gully catchment.
目前关于流域侵蚀产沙与输移过程随流域尺度复杂变化的研究,缺乏应有的广度和深度。
Now researches about soil erosion and sediment transport course with varying watershed scales lacks certain extent and depth.
基于大量实测资料,用经验统计方法研究了人类活动和降水变化对嘉陵江流域侵蚀产沙的影响。
Based on hydrometric and meteorological dada, effect of human activities and precipitation on sediment yield of the Jialingjiang River basin has been evaluated by using empirical statistical approach.
在碳酸盐岩地区,流域侵蚀过程中硫酸是否参与,对于我们正确理解流域化学风化速率,以及流域侵蚀对大气co2的消耗和全球碳循环等都有重要的意义。
It is important to ascertain the role of sulfuric acid in carbonate weathering so as to understand the chemical weathering rate carbonate rocks, CO2 consumption and global carbon cycle.
植物平衡了生态系统、保护了流域、减缓了侵蚀、缓和了气候,为许多动物物种提供了庇护所。
Plant life balances ecosystems, protects watersheds, mitigates erosion, moderates climate and provides shelter for many animal species.
因此石灰华中泥沙含量的变化趋势表征流域内土壤侵蚀的变化趋势。
Therefore, the change trend of the silt content in travertine shows the change trend of soil erosion in valley.
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.
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。
Moreover, the author makes a test research with the system on soil erosion in Yangdaogou gully of Wangjiagou Watershed in Lishi County, Shaanxi Province, and evaluates the results systematically.
本文分析研究了贵州乌江流域喀斯特土壤在不同植被类型和不同侵蚀程度条件下的土壤主要物理性质。
Based on the analysis and study on the physical properties of karst soil in Guizhou Wujiang river basin in different type of vegetation and different degree of erosion.
河流输沙的情况如何,是最为客观反映该流域内土壤侵蚀状况的标志。
How are sediment load in river? It is the objective mark for soil erosion in the valley.
严重的沟道侵蚀显著增加了运移到流域出口的泥沙。
Because there is serious gully erosion, the sediment loading of watershed outlet is obviously added.
全流域的水沙过程包括降雨产流、汇流的全过程,以及泥沙侵蚀、输移、沉积的不同运动形态。
The whole process of water and sediment in watershed consist of water generation and concentration, sediment erosion, transportation and deposition.
介绍了滇池流域冲沟和强侵蚀区水土和氮磷流失控制研究的内容、方法及取得的效果等。
The paper introduces the research on comprehensive control technology of soil and water loss and nitrogen and phosphorus loss in stormed crack and excessive eroded soil in Dianchi lake basin.
笔者提出一种基于不同时相实测数据建立交互数字高程模型研究坡面土壤沉积与搬运间的量化关系的方法,进而获得小流域坡面不同时相间的土壤侵蚀量。
Using alternant dem the study raised a new method based on the relation of sedimentation and precipitation to acquire the amount of soil erosion on hillslopes.
降雨、径流和植被是红壤小流域土壤侵蚀的主要影响因素。
Rainfall, runoff and vegetation are mainly factors impacting soil loss in red soil watershed.
沟壑区的不同部位具有不同的侵蚀产沙现象,并在不同的空间尺度上表现出迥异的水沙运动规律。为此需将流域分为坡面与沟道两大系统分别研究。
Different positions in gully area have different phenomena of erosion and sediment yield, and even represent disparate patterns of water and sediment processes in different watershed scales.
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.
在南方红壤区,由于光热条件较好,在没有人为破坏的情况下,流域植被一般可以恢复到很好的状态,植被覆盖度的增加可以明显减少土壤侵蚀。
Under condition of good light and heat in South China, if there were destruction by human vegetation could restored very well. So soil erosion could be ignored.
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.
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.
土壤侵蚀预报模型在空间尺度上可以划分为坡面、小流域和区域三个层次。
Soil erosion forecasting model can be divided into three levels of slope, small watershed and region in spatial scale.
文章分析了蜚克图河流域工程建设、林草植被破坏、土壤侵蚀、水质污染、超负荷用水等使流域生态系统面临的威胁。
The paper analyses the stress faced by the ecological system of Feiketu river basin due to project construction, vegetation damage, soil erosion, water pollution and overburden water use.
研究结果指出,由于流域土地利用不合理,管理措施不当,土壤侵蚀和土地沙化严重,土壤瘠薄,农业生产水平很低。
The results show that there are serious soil erosion and desertification and extensive land degradation in this catchment because of irrational land use and improper managements.
并以鄂东花岗片麻岩侵蚀区的某荒坡小流域为例,计算了其坡面土壤侵蚀量和侵蚀模数,计算结果与径流场实测结果十分接近。
The erosion amount and the modulus of erosion of the watershed calculated by the model are very close to those determined by the runoff experimental fields.
针对这一问题,提出一套测量流域土壤侵蚀动态变化过程变量的自动化测量系统。
An automated system is presented for the measurements of the factors affecting soil erosion dynamic processes.
林草覆盖率越高,植被对侵蚀的绝对控制能力越强,否则流域地形因素的影响亦不可忽视。
The larger grass and forest coverage, the stronger the absolute control capacity of vegetation on soil erosion, or influencing factors about topography may not be ignored.
林草覆盖率越高,植被对侵蚀的绝对控制能力越强,否则流域地形因素的影响亦不可忽视。
The larger grass and forest coverage, the stronger the absolute control capacity of vegetation on soil erosion, or influencing factors about topography may not be ignored.
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