soil erosion

Research progresses in agricultural non-point source pollution caused by soil erosion;

土壤侵蚀引起的农业非点源污染研究进展

Forecast of influence of coal-mining subsidence on soil erosion and land use;

采煤沉陷对土壤侵蚀与土地利用的影响预测

The variation of Holocene soil erosion and re-deposition on gentle slope ground in the eastern Guanzhong basin;

关中东部缓坡地面全新世土壤侵蚀与沉积发展演变规律研究

Through using the model of productivity index,this paper studies the property of land productivity and its relationship with soil erosion on a watershed of the southern Loess Plateau.

结果显示:泥河沟流域土地生产力的变化差异很大,总体上以林地最高,果园和草地次之,农地最低;整个流域土地生产力呈现出以村庄为中心辐射状递减(农地)和斑状交错(果园)分布特征,土地生产力随着土壤侵蚀强度增大呈现指数规律减小。

Water erosion creates negative impacts on agricultural production,infrastructure,and water quality across the world.

在全世界范围内土壤侵蚀对农业生产和水质量都有着负面影响,因此区域尺度的土壤侵蚀评估非常重要,但是它往往会受可收集到观测数据的数量和质量的限制。

Based on field investigation at the Shangyang Soil Conservation and Reforestation Station in Huizhou, Guangdong Province, China, vegetation development, the vegetation succession process, and soil erosion variation are studied in this paper.

通过对广东惠州市惠阳区上杨试验站等南亚热带典型水土流失地区的研究发现:自然封育状态下,水土流失地区植被恢复和演替缓慢,25a后植被覆盖度只有35%,且主要以阳生性耐贫瘠的灌木及草本为主,土壤侵蚀仍然比较严重。

Area division of sensitivity to water-caused soil loss in ecologically functioning areas of Dongsheng,Erdos

鄂尔多斯东胜地区不同生态功能区的土壤侵蚀敏感性

Based on the RS data,the watershed inventory data derived in 2001 and 2003,and the field data,including physiognomy,vegetation,and rainfall,RUSLE is combined with GIS to estimate the soil loss by erosion.

借用地理信息系统(GIS)和遥感(ERDAS)技术,以修正的通用水土流失方程(RUSLE)为核心,根据吉溪流域2001年和2003年的遥感影像解译数据和统计资料得到地貌、降雨量、植被等资料,量化流域土壤侵蚀评价因子,对吉溪流域土壤侵蚀进行了定量化分析。

Effects of soil and water conservation measures on eroded soil development in the Loess Plateau;

黄土高原水土保持措施对侵蚀土壤发育的效应

The assessment methods of soil degradation and the principles for establishing degradation indexes of eroded soils were instructed.

介绍了国内外土壤退化的评估方法和建立侵蚀土壤退化指标的原则 ;根据侵蚀土壤的发展过程和属性变化特点 ,提出了侵蚀土壤退化指标体系 ;系统全面地论述了侵蚀土壤物理退化、化学退化和生物退化的具体内容和定量指标。

In this paper the writers beliered that making road green in Changsha , the low-altitude TSP pollution of main roads, and soil erosion of green area had been researched.

对长沙市绿化带年土壤侵蚀量进行计算,约为90t/a。

Sediment is a type of pollutants and the carrier of nutrient,so predicting soil erosion would provide exact information for making environmental planning and taking measures.

运用GIS、遥感技术与USLE模型相结合预测东圳库区流域土壤侵蚀量,利用GIS平台建立东圳库区基础地理数据库,以10×10m为栅格单元对库区进行离散化,在GIS空间分析功能支持下,结合USLE土壤侵蚀预测模型,根据合适的USLE因子算法生成栅格图层,通过图层运算,预测了东圳库区土壤侵蚀量,进而标识库区土壤侵蚀严重区域,为库区非点源污染控制及水土流失治理提供定量依据,并通过建立实用的泥沙输移比模型结合水文监测数据,对预测结果进行验证。

As is known,soil erosion is one of the most serious problems in our eco-environmental protection.

将地理信息系统(GIS)、遥感技术(RS)和美国修正的通用土壤流失方程(RUSLE)相结合对武步溪流域的土壤侵蚀量进行计算。

Calculation on soil erosion amount of main river basin in China;

我国主要江河流域土壤侵蚀量测算

By the support of ARC/INFO ge ographical information system and integration of GIS and USLE,the soil erosion amount of Yuzigou small watershed was predicted.

在地理信息系统 ARC/ INFO支持下 ,根据通用土壤流失方程式 ( USL E)对数据库实施运算操作 ,预测了芋子沟小流域土壤侵蚀量。

A STUDY ON SOIL EROSION IN HETIAN,CHANGTING,FUJIAN Ⅱ.Soil Erosion and Eroded Soil

福建长汀河田土壤侵蚀的研究 Ⅱ.河田土壤侵蚀与侵蚀土壤

attempts to reduce soil erosion

减少土壤侵蚀的做法

(2)the main erosion types arte water erosion and gravity erosion;

(2 )土壤侵蚀主要类型为水蚀及重力侵蚀 ;

Study on the Law and Models of Soil Erosion in Red Soil Watershed

红壤小流域土壤侵蚀规律与模型研究

The erosive rain is defined as rain, which can cause soil erosion.

侵蚀性降雨,是指能够引起土壤侵蚀的降雨。

Effect of Soil Erosion on Soil Organic Carbon in Chinese Loess Plateau;

黄土高原坡耕地土壤侵蚀对土壤有机碳的影响

Application of Jute Geotextile for Controlling Soil Erosion

黄麻土工布在土壤侵蚀控制中的应用

An Experimental Study on Soil Detachment and Transport Processes at Loessial Hillslope;

黄土坡面土壤侵蚀—搬运过程试验研究

The Influence of Soil Erosion and Soil Fertility on Planting Coptis Chinensis;

黄连种植对土壤侵蚀及土壤肥力的影响研究

Comparitive Study upon Soil Erosion Processes on Red Soil Hillslope and Loess Hillslope

红壤坡面与黄土坡面土壤侵蚀过程对比研究

Research on Effect of Soil Erosion on Cultivated Land Soil Productivity

土壤侵蚀对耕地土壤生产力的影响研究

THE SOIL EROSION AND ITS CONTROL IN THE GRANITE ERODING AREA OF SOUTHEAST FUJIAN Ⅰ. Effect of Rainfall Parameters on Soil Erosion

闽东南花岗岩侵蚀区的土壤侵蚀与治理 Ⅰ.降雨参数对土壤侵蚀的影响

crop planted to prevent soil erosion and provide green manure.

阻止土壤侵蚀和提供绿色肥料的作物。

off-site impacts of soil erosion

土壤侵蚀对其他地方的影响

Soil erosion is a main contributor to water pollution.

土壤侵蚀是水污染的一个主要根源。

Appraisal and Study on Potential Danger of Soil Erosion in Tsingtao City

青岛市土壤侵蚀潜在危险度评价研究

nonerodible fractions of soil

土壤不易受侵蚀部分

Wind& rain had denuded the mountain side of soil.

风雨侵蚀了山坡的土壤。