风蚀

利用室内风洞试验装置模拟了不同地面坡度、不同地表风速、不同PAM处理的土样在净风和挟沙风作用下的风蚀情况。

It simulates the wind erosion of soil samplers treated by different PAM with the actions of non - sand-driving wind and sand-driving wind under the conditions of different slopes and different wind speed of surface .

对SH固沙的强度、抗风蚀能力、耐水性、耐老化性、抗冻融稳定性进行了室内试验，并开展了现场固沙试验研究。

Strength of SH-fixated sand , resistance to wind erosion , water resistance , resistance to ageing , freezing-thawing resistance were tested in an indoor experiment . The experiment of SH-fixated sand was also conducted in the field .

到1980年，迈阿密海滩已经完全风蚀了。

By 1980 , Miami beach had all but totally eroded

PAM对土壤抗风蚀能力的影响

Influence of PAM to Capability of Anti - Wind Erosion of Soil

青海共和盆地土壤风蚀的~（137）Cs法研究（Ⅰ）&~（137）Cs分布特征

Application of Caesium-137 Technique on Wind Erosion in Gonghe Basin , Qinghai Province (ⅰ) - ~ ( 137 ) Cs Distribution Characteristics

结果表明，PS材料可以较好的提高交河故城土体的力学性能及抗风蚀、雨蚀能力，原状土样加固后的抗风蚀能力提高7-16倍。

The results indicated that the PS material can improve the capacities of anti-wind erosion and anti-rain erosion abilities of the Ruins of Jiaohe .

刚性驱动轮在松散沙土上重复通过时的性能预测利用PAM防治松散扰动沙土风蚀效果的风洞试验研究

Prediction of the Multi-Performance of a Rigid Driven Wheel in Sand Wind tunnel experiment on the impacts of polyacrylamide on wind erosion of loosen soil materials

随着PS材料浓度的增大，加固土的抗风蚀、雨蚀能力显著提高，随模数的增大而有所降低；

Both its strength and capability to prevent the erosion of wind and rain have been enhanced with the increase of concentration , while they reduce with the increase of modulus .

在水分和PAM的共同作用下，黏粒含量高的土壤的抗风蚀能力要强于黏粒含量低的土壤。

Soil with higher clay content has the higher capability preventing soil from wind erosion than one with less clay content under the together action of PAM and water .

在土壤风蚀研究中，Bagnold建立的干沙子的起动风速与沙粒粒径关系的表达式已被广泛接受。

The widely accepted Bagnold type function to calculate threshold wind velocity or shear velocity was developed for dry sands .

宁夏回族自治区总面积5.18万km2。以1997年、1998年的TM数据为信息源，结合实地验证，建立了风蚀区土壤侵蚀强度分级遥感解译标志。

The total area of NingXia municipality is 5 . 18 × 104km2 . Based on TM data of 1997 and 1998 and investigation , the explanation signs on remote sensing were studied .

保护性耕作可明显地提高起沙风速，减少农田土壤损失，当秸秆高度为30cm时，风蚀量仅为传统耕地的1/4左右。

Compared with conventional moldboard plough practice , the conservation tillage with 30 cm height stubble could remarkably increase threshold velocity and reduce the soil loss by about 3 / 4 .

以美国环境保护局（EPA）推荐的计算料堆风蚀扬尘排放因子的方法为基础，探讨料堆风蚀扬尘排放量的估算，包括计算所需参数及其估算方法和计算过程。

Based on the method of calculating the emission factor of wind erosion dust from storage piles recommended by US EPA , estimation of wind erosion dust emissions from storage piles are explored , including the calculation needed parameters and then estimation method , and calculating procedure .

在15m·s-1风速和3cm表土含水率为45%的条件下，垄向与风向成0°时的风蚀量为90°时的48倍。

Furthermore , the wind blown mass in the direction of ridge 0 ° is same as 4 8 times in that of 90 ° at 15 ? m / s wind speed and 4 5 % moisture content in surface soil .

由于直立残茬和植被覆盖的共同作用结果，风洞集沙仪收集的保护性耕作农田最大土壤风蚀量集中在距地表18～40cm的高度范围内。

As the result of the co-action of the erect stubble and vegetation cover , The position that the maximum soil wind erosion amount for conservation tillage farmland measured by sand sampler located in the height range of 18 ~ 40cm .

对风蚀物各粒级含量与高度的相关分析表明：易以迁移形式运动的粒径0.25～0.1mm土粒百分量以幂函数形式向上递减；

The correlation between the percent of different grain size and height shows : the percent of particles with diameter of 0 25 ￣ 0 1 mm easy to moved in saltation decreases in power function law ;

随风速和植被盖度的增加保护性耕作农田的抗风蚀效率增加，风速为18m？s-1时，70%盖度下保护性耕作农田的抗风蚀效率达90.8%。

Moreover , the anti-erosion efficiency is increased with the increase of the central wind speed and vegetation coverage . In the wind speed of 18 m ? s-1 , under 70 percent coverage , the anti-wind erosion efficiency of the conservation tillage farmland can reach 90.8 % . 3 .

影响土壤风蚀主要因素的风洞实验研究

Study on Some Factors Influencing Soil Erosion by Wind Tunnel Experiment

中国黄土高原地区的风蚀灾害及其防治

Wind erosion disaster and its control in Loess Plateau of China

聚丙烯酰胺改善砂土抗风蚀性试验研究

Test Study for Improving Sand Soil against Wind Erosion with Polyacrylamide

第四，土壤风蚀土壤亚模型和预测系统的建立和动态研究阶段。

The fourth is setting up sub soil model prediction system .

若干风蚀粉尘释放模型述评

Review on Progress in Modeling Dust Emission Caused by Wind Erosion

风成沙粒度特征对其风蚀可蚀性的影响

Wind Erodibility of Aeolian Sand as Influenced by Grain size Parameters

戈壁风蚀面与植被覆盖面地表性质粗糙度长度的确定

Determination of Roughness Length on Gobi Deflation Plane and Vegetated Surface

典型草原抗风蚀能力的实验研究

Experimental Research on the Anti - Wind Erosion of Typical Grasslands

西北地区戈壁和绿洲风蚀起沙（尘）的研究

Studies on dust emission in Gobi and oasis of Northwest China

关于水蚀风蚀交错带植被建设中的几个问题

Several Problems of Vegetation Construction in Criss-cross Belt of Wind-water Erosion

土壤风蚀中有关土壤性质因子的研究历史与动向

Research history and trend on soil property factors concerning wind erosion

防治旱作农田土壤风蚀的研究

Study on the prevention of wind erosion of soil from dry cropland

风沙土水分抗风蚀性研究

On Resistance of Eolian Sandy Soil Moisture to Wind Erosion