沙尘天气

沙尘天气对环境空气中PM（10）影响分析

Analysis of Ambient Air PM_ ( 10 ) in Sand and Dust Weather

沙尘天气对沈阳市空气质量的影响分析

Analysis on the Effect of Sand and Dust Weather to Shenyang Urban Environmental Air Quality

非沙尘天气样品中富Ca颗粒含量高达14.5%，其中约有一半来自人为源排放。

The content of Ca-rich particles was as high as 14.5 % in non-dust-storm ( NDS ) sample .

西北春季区域性沙尘天气MOS预报方法探讨

MOS Forecasting Method for Regional Sand-Dust Weather during Spring in Northwest China

分析表明，预报系统不仅能定性预报沙尘天气的空间分布与时间演变，而且能定量预报沙尘源地、大气中的沙尘浓度、沙尘的输送以及沉降。Air（初三适用）

Analysis shows that the system not only can quantitatively predicate the spatial distribution and temporal change of the dust , but also the source , density in the air , transfer and deposition .

按照《地面气象观测规范》规定，能见度VV与风速V是对沙尘天气进行分级的重要指标。

According to " the criterion of surface meteorological observation ", visibility and wind speed are important targets to classify dust-stormy weather .

本系统应用微软access数据库系统建立了西北沙尘天气数据库，采用C/S结构在数据库环境下编程，设计了数据挖掘系统（数据挖掘机）、资料维护系统、数据接口系统。

Using the microsoft access database system , a database of sandstorm in arid region in Northwest China has been created . We designed system of data mining ( data mining machine ), data maintaining , data querying and data interface by C / S programming structure under database environment .

就阿拉善地区增多的沙尘天气，政府、国际国内NGO、科学家、专业团体、当地农牧民等多个群体，展开了各种项目。

On the sand dust weather increasing in the A-La-Shan area , the government , international and domestic NGO , the scientists , the professional organization , the local herdsman has taken many projects .

利用NCEP再分析资料以及台站观测资料，对可能影响2003年春季我国北方地区沙尘天气异常的气候与环境背景进行了分析。

By using NCEP reanalysis data and station observational data , the climatic and environmental background which may be responsible for the weak spring sandstorm activities for 2003 has been investigated .

沙尘天气中，AOD增大，浑浊度系数与AOD变化趋势保持一致，呈正相关关系，波长指数与它们呈较弱的负相关。

After dust the AOD was increased , with a trend of turbidity coefficient keeping consistently with AOD positively , and the AOD had a weak negative correlation with wave length exponent .

利用NCEP分析资料和常规气象观测资料对造成2006年3月9&10日华北大范围强沙尘天气，产生大风的蒙古气旋快速发展过程进行了分析。

Based on the NCEP-NCAR data and the observational data on March 9-10 , 2006 , a diagnostic analysis is conducted for the development of Mongolia cyclone inducing the severe dust storm .

沙尘天气对黄海海域TSP浓度和沉降通量的贡献表现为从西到东递减，对气溶胶沉降通量的影响主要集中在较大粒径段的颗粒。

The contributions of dust weather to the concentrations and deposition fluxes of TSP reduced with longitude from west to east , and the impact of dust weather on the deposition fluxes of aerosols mainly focused on those of the large particles .

而春季气溶胶光学厚度则在近2年有明显增加，源自沙尘天气，且Angstrom指数亦变小，表明大粒子比例增加，因此需要加强对沙尘源的治理。

Moreover , the Angstrom exponent tends to be lower , indicating that the ratio of larger particles increased . So it is necessary to enhance the dust source harnessing .

土壤尘的季节平均浓度从夏季逐步上升，至次年春季达到最高（211μg·m-3），表明春季频繁发生的沙尘天气对土壤尘细粒子有重要贡献。

Soil dust concentration increased from a low level in summer to the peak value ( 21 1 μ g · m - 3 ) in spring , suggesting that frequent dust events made a significant contribution to fine soil dust .

另外笔者认为AOD与水平能见度之比值能够较全面地考虑水平和垂直两个方向的要素变化，衡量沙尘天气强度更具有合理意义，值得更深一步的探讨。

In addition , the authors considered that the ratio of AOD to visibility could roundly reflect the factor change in both horizontal and vertical directions , so it was reasonable to measure the intensity of dusty weather .

结果表明：利用EPTOMS气溶胶指数并结合气象观测资料，可以对大规模的沙尘天气进行及时判别、监视，并预报影响范围及传输路径；

The results show that the EP / TOMS aerosol index data in combination with the meteorological observational data can be used to timely recognize and monitor large dust storms , and to forecast their influencing scopes and transportation paths .

应用场发射扫描电子显微镜和X射线能谱仪，研究了2005年4月北京市区2次典型沙尘天气PM10样品中矿物单颗粒的形貌、数量-粒度分布和化学组成。

Field emission scanning electron microscopy ( FESEM ) and energy dispersive X-ray spectrometry ( EDX ) were used to obtain the morphology , number-size distribution and chemical compositions of individual mineral particles collected during the two dust storm episodes in April 2005 in Beijing .

定义了使用EPTOMS气溶胶指数定量描述沙尘天气强度的指标体系，并对1998年3&4月间发生的沙尘天气的强度及其演变进行了详细的分析。

The indicator system applying EP / TOMS aerosol index to quantitatively describe the intensity of dust storm was put forward . The intensity and evolution of dust storms that happened during March to April , 1998 , were analyzed in detail .

沙尘天气持续过程中，近地面温度先降低后升高，水汽含量略有增加，积分水汽含量不超过1cm。

During the process , the temperature near the surface decreased first and then increased ; the water vapor content was slightly larger than before ; the integrated water vapor content was less than lcm .

同时分析沙尘天气对我国城市空气质量的影响表明，我国北方城市尤其是西北城市，受沙尘天气的影响比较大，PM10污染相对严重。

Review the influence of dust-sand weather indicated that the city ambient air quality in the north China especially in the northwest China was seriously influenced by dust-storms and PM_ ( 10 ) was the main pollutant in these areas .

利用常规观测资料、卫星云图、雷达及NECP等资料对2005年5月10日冀南地区强沙尘暴天气过程进行分析，探讨了这次强对流型沙尘天气的成因。

Using conventional observational data , satellite images , Dopper radar echo and NECP data , the causality of the strong convective severe sand-dust storm in the south of Hebei on May 10,2005 is discussed .

在中尺度气象模式最新版本MM5V3.7的基础上，通过与一个起沙模式的耦合，建立了一个新的中国科学院大气物理研究所（IAP/CAS）沙尘天气数值预测系统（IAPS2.0）。

An improved IAP integrated dust-storm prediction system ( IAPS 2.0 ) has been developed at the Institute of Atmospheric Physics ( IAP ), Chinese Academy of Sciences , through the coupling of the latest version of meso-scale meteorological model ( MM5V3.7 ) with a physical based wind erosion model .

沙尘天气主要发生在春季和冬季。

The sand-Dust weather occurred frequently in both Spring and Autumn .

明代北京的沙尘天气及其成因

Dust Weather and Its Contributing Factors in Beijing of Ming Dynasty

北京地区沙尘天气及其对大气环境质量的影响

The Dust Storm of Beijing and Its Impact on Air Quality

元江县城沙尘天气成因及输送过程

The Origin and Transportation of Dust Weather in the Yuanjiang Country

天津地区沙尘天气与沙尘污染程度特征分析

Sand-dust Weather and Feature of Particulate Matter Pollution Extent in Tianjin

运城市沙尘天气特征分析

Analysis on the Features of the Sand-dust Weather in Yuncheng City

2006年4月16日-18日强沙尘天气的多源数据分析

Analysis of Sandstorm Weather in April 16 ~ 18 , 2006

近年来北京沙尘天气特征及成因分析

Features and Causes of Dust Weather in Recent Years in Beijing