风蚀强度

风蚀强度的空间差异及影响分析

Spatial Difference of Wind Erosion Intensity and Impact Analysis

定量评价中国北方粉尘源区地表覆盖类型对表土风蚀强度的影响

Quantitatively assessing the influence of various surface land cover types on wind erosion intensity in dust sources in China

艾比湖干涸湖底不同地表类型风蚀强度及粉尘输移通量的风洞试验研究

Wind Tunnel Study of Wind Erosion and Dust Flux on Different Surfaces in Dry Ebinur Lake , Xinjiang , China

6%含水量水平是风蚀强度由强变弱的一个转折点。

The ' content of soil moisture equal 6 % is turning point from severity to light for the rate of wind erosion .

进一步推导出土壤风蚀强度（风蚀率）随空气相对湿度的增加呈－8次幂函数减少的理论关系。

Then it is derived that the wind erosion rate reduces with an increase of the atmospheric relative humidity by the negative eighth power function .

不同覆盖条件下地表可蚀性组分粒度分布和粗糙度长度的差异是造成风蚀强度差异的主要原因。

The great differences of wind erosion intensities between various land cover types result from different characters of erodible fraction size distribution and aerodynamic roughness length of the land cover types .

实验结果表明：抗风蚀强度以40%浓度处理的固沙模型最强，20%最弱，但30%浓度防风蚀效果较为实用。

The results were as follows : The biggest intensity of erosion resistance was sand-fixing sampling of 40 % concentration , and the treatment of 20 % was the worst , but treatment of 30 % was more practical .

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 .

风蚀率（风蚀强度）随含水率的增加呈二次幂函数减少。

The wind erosion rate ( intensity ) reduces with an increase of moisture content by the sec-ond power function .

风蚀作用是限制排土场植被恢复的主要因素，而一定密度的人工灌丛可以减轻排土场平台的风蚀强度，形成地表凋落物覆盖层，改良土壤，加速植被的恢复。

Strong wind erosion is a limit factor to vegetation recover in refuse dump , but it can be reduced by artificial glomerate boskage , the litter will be fixed and form cover in bare ground , to fertilize soil and improve plants growth .