soil erosion form

用法例句

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

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。

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。

Research on "3S"-based (RS, GPS, GIS) Dynamic Soil Erosion Monitoring Techniques for Small Watersheds;

基于“3S”的小流域土壤侵蚀动态监测技术研究

Soil Erosion Dynamic Detection in Panshi City Based on Quantitative Remote Sensing

定量遥感支持下的磐石市土壤侵蚀动态监测

Study on Dynamic Changes of Soil Erosion in Hulunbeir Based on GIS

基于GIS的呼伦贝尔地区土壤侵蚀动态变化研究

Simulation and analysis of soil erosion in small watershed in the upstream of Yangtze River

长江上游小流域土壤侵蚀动态模拟与分析

A Case Study for Building up Soil Erosion Dynamic Database in Black Soil Region of the Northeast China Based on the Technology of Remote Sensing, Geographical Information System and Global Positioning System;

基于“3S”技术的东北黑土区土壤侵蚀动态数据库建立案例研究

Characteristics Research on Dynamic Changes of Soil Erosion in the Purple Soil Area, Ninghua, Fujian

福建宁化紫色土地区土壤侵蚀动态变化特征研究

Research on Vegetation and Soil Erosion Dynamic Monitor of upper Reaches of Hanjiang River Based on RS and GIS;

基于遥感和GIS的汉江上游植被与土壤侵蚀动态监测研究

IMPACT OF ACCELERATED EROSION ON DYNAMICS OF SOIL HUMIC ACIDS

加速侵蚀对土壤腐殖酸动态变化的影响

The Soil Erosion Pattern and Dynamic of E Zhuang Watershed Based on Information Technology;

基于“3S”技术的峨庄流域土壤侵蚀格局及动态

Analysis of soil erosion in catchments of Sha River and Ru River

沙汝河流域土壤侵蚀状况动态变化分析

NPS models application in soil erosion simulating.

非点源污染模型在土壤侵蚀模拟中的应用及发展动态

The Relation between Landscape Variation and Soil Erosion Dynamics in the Minjiang River Headwater Region in Sichuan, China;

岷江源头区植被景观与流域土壤侵蚀的动态相关性

Study on Soil Erosion Sensitivity and Its Dynamic Monitoring in Watershed;

基于3S的流域土壤侵蚀敏感性及其动态监测研究

Spatiotemporal Pattern and Dynamic Changes of Soil Erosion in Harbin Region of Songhuajiang Watershed

松花江流域哈尔滨城区段土壤侵蚀时空格局及动态变化研究

Construction of National Ecological Security Pattern of Soil Erosion

国土尺度土壤侵蚀生态安全格局的构建

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

nonerodible fractions of soil

土壤不易受侵蚀部分