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作者： Ting Ding,~a Weihong Qian~(a*) and Zhongwei Yan~b a Monsoon and environment Research Group,Department of {1. {2.,School of physics,Peking University,beijing,China b key laboratory of regional climate-environment Research for temperate {1.} {1.},{1.} of {1. physics,{1.} {1.} of {2.,beijing,China

Based on the daily maximum temperature(DMT) records at 51.0}stations during 1.61.-2.07,the geographical patterns and temporal variations of hot days(HDs) and heat waves(HWs,including those persisting for 3-5 days and longer) over China’s mainland were *** HD(and hence HW) was defined in two ways,one by an absolute criterion,DMT >35℃,as applied in the nationwide meteorological agencies and another in a relative sense,DMT > the 90th percentile threshold of a local daily temperature distribution around the *** centers of high frequencies(over 5 days per year) of the absolute HDs during June-September were found in the regions of Xinjiang and the mid-lower reaches of the Yangtze *** highest frequencies of the absolute HWs were about 1.5 times per year in the Xinjiang region and to the south of the mid-lower reaches of the Yangtze *** frequencies of the relative HWs were about 1.1.5 times per year in most of *** HDs and HWs increased significantly during the studied period in most of China,especially over the southeastern coast and northern China(by over 4 days per decade for relative HDs and 0.4 times per decade for relative HWs),but decreased significantly at some stations in the lower reaches of the Yellow *** most of China except northwestern China,the frequency of HDs was high during the 1.60s-1.70s,low in the 1.80s,and high afterwards,with strong intcrannual variations.A remarkable increasing trend of HDs occurred after the 1.90s in all *** changes in HDs and HWs were closely related to those in rain days and {1. circulation patterns at the interannual and interdecadal *** ? 2.09 Royal Meteorological Society

关键词： climate extremes climate trend hot days heat waves China

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Responses of east {1. Monsoon {2.-ecosystems to Global Changes

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Bulletin of the chinese academy of sciences 2005年第2期19卷 109-114页

作者： key {1. of {2. climate-Envi-ronment for temperate east asia (RCE-TEA), In- stitute of atmospheric physics Fu Congbin, Ji Jinjun, Wen Gang, Yan Zhongwei and Yan Xiaodong

At the 04’ National Conference for Science and Tech- nology (S&T) Awards held on March 2., 2.05 in beijing, CAS scientists were honored by 1. prizes of the National Natural Science Awards and 1. prizes of National Aw... 详细信息

关键词： CAS 中国科学院科学技术科学研究科技创新

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Changes in Wind Speed and Wind Speed Extremes in beijing during 1.60-{1.08 Based on Homogenized Observations

Changes in Wind Speed and Wind Speed Extremes in Beijing dur...

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International Workshop on Urban Weather and climate:Observation and Modeling

作者： LI Zhen~(1.2),YAN Zhongwei~(*1),TU Kai~1,LIU Weidong~3,and WANG Yingchun~4 ~1key laboratory of {1. climate-environment in temperate east asia,institute of atmospheric physics,{1.},{1.} {1.},China ~2Graduate University of the{1.},{1.} 100049,China ~3institute of Urban Meteorology,China Meteorological Administration,{1.} 100089 ~4{1.} Meteorological Bureau,{1.} 100089,China

Daily observations of wind speed at 1.0}stations in the Greater {1. Area during 1.60-2.08 were homogenized using the Multiple Analysis of Series for Homogenization *** linear trends in the {1. mean annual and ... 详细信息

Daily observations of wind speed at 12.stations in the Greater beijing Area during 1960-2.08 were homogenized using the Multiple Analysis of Series for Homogenization *** linear trends in the {1. mean annual and seasonal(winter,spring,summer and autumn) wind speed series were -0.2.,-0.39,-0.30,-0.12.and -0.2. m s 10yr,*** showed the greatest magnitude in declining wind speed,followed by spring,autumn and *** annual and seasonal frequencies of wind speed extremes(days) also decreased,more prominently for winter than for the other *** declining trends in wind speed and extremes were formed mainly by some rapid declines during the 1970s and *** maximum declining trend in wind speed occurred at Chaoyang(CY),a station within the central business district(CBD) of beijing with the highest level of *** declining trends were in general smaller in magnitude away from the city center,except for the winter case in which the maximum declining trend shifted northeastward to rural Miyun(MY).The influence of urbanization on the annual wind speed was estimated to be about -0.05 m s(10 yr) during 1960-2.08,accounting for around one fifth of the {1. mean declining *** annual and seasonal geostrophic wind speeds around beijing,based on daily mean sea level pressure (MSLP) from the ERA-40 reanalysis dataset,also exhibited decreasing trends,coincident with the results from site observations.A comparative analysis of the MSLP fields between 1966-1975 and 1992.2.01 suggested that the influences of both the winter and summer monsoons on beijing were weaker in the more recent of the two *** is suggested that the bulk of wind in beijing is influenced considerably by urbanization,while changes in strong winds or wind speed extremes are prone to large-scale climate change in the region.

关键词： homogenization daily mean wind speed urbanization mean sea level pressure geostrophic wind east {1.n monsoon

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Radiative forcing and temperature response of dust aerosols over east {1. in the latest decade

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Research in Cold and Arid Regions 2012年第4期04卷 351-356页

作者： XingTao Su 1,HanJie Wang 2,ZhiBiao Zhang 3 1.institute of Meteorology,PLA University of Science and Technology,Nanjing,Jiangsu 211101,China 2.key {1. of regional climate-environment Research for temperate east asia,chinese academy of Science,{1.} {1.},China 3.{1.} institute of Applied Meteorology,{1.} {1.},China institute of Meteorology PLA University of Science and TechnologyNanjingJiangsu 211101China key {1. of {2. climate-environment Research for temperate east asia Chinese Academy of ScienceBeijing100029China beijing {1. of Applied Meteorology Beijing 100029China

A regional {1. model,RegCM3,coupled with an online dust module,is used to simulate the radiative forcing(RF) and temperature response of dust aerosols over {2. asia in the latest decade(2.00-2.09).The simulation results show that the geographical and seasonal differences of dust aerosols distribution over {2. asia are *** exist two extremes of dust aerosols with column burden(CB) greater than 1.000 mg/m 2.;one is in the Taklimakan Desert of the Xinjiang Uigur Autonomous Region,China,and the other is in the Badain Jaran Desert of the Inner Mongolian Autonomous Region,*** maximum value of CB appears in spring,the secondary maximum in winter,and the minimum in *** RF of dust aerosols has distribution characteristics similar to *** regional averaged RF over {2. asia at the top of atmosphere(TOARF) is 1.72.W/m2.in spring and 1.1. W/m2.in autumn,and that at the surface(SURRF) is 4.34 W/m2.in spring and 2.33 W/m2.in *** temperature at the surface is decreased by dust aerosols;the regional averaged temperature decrease over {2. asia is 0.1.4 °C in spring and 0.085 °C in *** are different impacts of dust aerosols on air temperature at different *** air temperature is decreased by dust aerosols in the lower troposphere,but the extent of the decrease diminishes with increasing *** air temperature is in fact increased by dust aerosols at the height of 300-400 hPa in spring,which is greatly different from that in autumn.

关键词： dust aerosols column burden radiative forcing temperature

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Chemical Composition and Size Distribution of Airborne Particulate Water-Soluble Species in Xi'an,Central China during Spring 2.09:Implications for Heterogeneous Reactions of Anthropogenic Pollutants with Mineral Dust

Chemical Composition and Size Distribution of Airborne Parti...

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第八届海峡两岸气溶胶技术研讨会暨第三届空气污染技术研讨会

作者： Gehui Wang1, Bianhong Zhou2, ianjun Li1, Chunlei Cheng1, Ting Zhang1, Wenting Dai1, Junji Cao1, Renjian Zhang3 1 State key laboratory of Loess and Quaternary Geology, {1. of Earth environment, chinese academy of sciences, Xi’an 710075, China 2 Department of Geographical Science and environment Engineering, Baoji University of Art and Science, Baoji 721013, China 3 key laboratory of regional climate-environment for east {1.},{1.}, chinese academy of sciences,{1.}, China

PM1. and size-resolved (9-stage) aerosol samples in the urban air of Xi’an, China were collected during the spring of 2.09 including a massive dust storm occurring on April 2.th and measured for inorganic ions, water-soluble organic (WSOC) and inorganic carbon (WSIC), water-soluble organic nitrogen (WSON), EC and OC. Characteristics of chemical compositions and size-distributions of those measured species in the urban samples were investigated and further compared with those simultaneously observed on the mountaintop of Mt. Hua, which is located about 1.0 km east to the city, to recognize the impact of dust storm on aerosol chemistry of the downwind region. PM1. in Xi’an during the non-dust storm period ranged from 58-42. g m-3 (2.7±79 g m-3), and sharply increased to a 3-hr maximum of 890 g m-3 (av. 589±2.3 g m-3) on the dust storm day (April 2.th). Mass-closure study results showed that during the non-dust storm period organic matters accounted for 2.% of the PM1. particle mass, followed by SO42. (1.%), NO3- (1.%), water-soluble carbonate (1.%), EC (5%), NH4+ (4%), and other ions (7%). In contrast, water-soluble carbonate became the most abundant among the measured species during the dust storm period, accounting for 1.0} of the PM1. mass, followed by organic matters (1.%), SO42. (3%), Ca2.(2.) and NO3- (1.5%). Such a changes in chemical compositions suggests a significant heterogeneous reaction of acidic gases (e.g., H2.O4, HNO3, SO2.and N2.5) with dust to form water-soluble mineral compounds. A bimodal size distribution of particles was observed during the non-dust time with two equivalent peaks in the fine (2.1.m) and coarse (>2.1.m) ranges, in contrast to a unimodal pattern (i.e., coarse mode) observed on the dusty day. All the measured ions except NH4+ significant shifted toward larger particles during the dust storm time. Similar size-distribution patterns of particles were found on the mountaintop of Mt. Hua, which are bimodal during the non-dust period and

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年际增量的预测方法在北大西洋飓风频次的季节预测(英文)

年际增量的预测方法在北大西洋飓风频次的季节预测(英文)

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第2.届中国气象学会年会

作者： Ke Fan1,2.1 Nansen-Zhu International Research Center,institute of {1. {2.,chinese academy of sciences,beijing 1.002.,China 2.key laboratory of regional {1.}-{1.} Research for {1.} {1.} {1.} chinese academy of Science,beijing 1.002.,China

基于年际增量的预测方法发展高效的飓风季节（6月1.-1.月30日）内大西洋热带风暴（包括飓风）频次的预测模型。首先预测大西洋热带风暴频次的年际增量再预测大西洋热带风暴频次。通过以下两个途径考察年际增量预测方法的应用潜力:（1...

基于年际增量的预测方法发展高效的飓风季节（6月1.-1.月30日）内大西洋热带风暴（包括飓风）频次的预测模型。首先预测大西洋热带风暴频次的年际增量再预测大西洋热带风暴频次。通过以下两个途径考察年际增量预测方法的应用潜力:（1.将年际增量的预测方法分别与原始变量线性和非线性Poisson预测模型比较（图）;（2.与Gray等（2.09,2.1.）发展大西洋热带风暴频次的预测系统比较。研究表明,年际增量的方法及预测模型有较高的预测技巧。相对于大西洋热带风暴的气候预测平均的绝对误差4.1.在2.04-2.09年际增量的预测模型预测技巧提高了2.%,1.85-2.09的交叉检验的回报的预测技巧提高46%,高于同期Gray等（2.09,2.1.）的预测技巧。作者已基于年际增量的方法发展了有效的东亚夏季降水、气温,西太平洋台风频次和登陆气旋数的预测模型,此项工作表明它还可以应用到大西洋热带风暴（包括飓风频次）的季节预测中。

关键词： year-by-year increment Atlantic named tropical storm prediction model

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An improved mesoscale dust forecasting system RAPES/CUACE/dust over east {1.: 1. online coupling dust-assimilation-direct radiative processes

An improved mesoscale dust forecasting system RAPES/CUACE/du...

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第2.届中国气象学会年会

作者： Hong Wang 1 Tao Niu1 Xiaoye Zhang 1 Sunling Gong 1 2.1Center for Atmosphere Watch and Service(CAWAS) chinese {1. of Meteorological {2.(CAMS) beijing China.2.ir Quality Research Division Science & Technology Branch environment Canada 4905 Dufferin Street Toronto Ontario M3H 5T4 Canada 3State key laboratory of atmospheric Boundary Layer and atmospheric(LAPC) institute of atmospheric {1.}(IAP) chinese {1. of {2.(CAS) beijing China.

＜正＞*** emission and transport models has been becoming more and more important in regional dust forecasting and are providing valuable quantitative prediction of dusts concentration and aerosol optical depth（AOD）etc in different area and regions[e.g.,Wang et al.,{1.00;Park and In,{1.03;Gong et al.,{1.03;Liu et al.,{1.03;Shao et al.,{1.03;Uno et al.,{1.01.{1.03;Zhou et al.,{1.08;Wang et al.,{1.09.]

关键词： dust prediction radiation parameterization direct radiative effects data assimilation

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1.81.2.05年长江三角洲能见度变化趋势分析（英文）

1981-2005年长江三角洲能见度变化趋势分析（英文）

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第八届海峡两岸气溶胶技术研讨会暨第三届空气污染技术研讨...

作者： Lina Gao1. Gensuo Jia1.,Renjian Zhang1. , Congbin Fu1.3 ,Tijian Wang4 ,Meigen Zhang5 ,Hong Jiang4 1.key {1. of {1. climate-environment Research for temperate east asia, chinese academy of sciences, beijing 2 key {1. of {1.} Chemistry (LAC), Centre for Atmosphere Watch and Services (CAWAS), {1.} {1.} of Meteorological {1.} (CAMS), CMA, beijing 3 Department of climate and Global Change, Nanjing University, Nanjing, Jiangsu Province 4 Department of {1.} Science, Nanjing University, Nanjing, Jiangsu Provinc 5 State key {1. of {1.} Boundary Layer {1.} and {1.} Chemistry, chinese academy of sciences, beijing

Visual range （VR） data from 1.81.to 2.05 are examined for 2. meteorological monitoring sites in the Yangtze River Delta Region （YRDR） of China. Cumulative percentile analysis was used to construct VR trend. The 2....

Visual range （VR） data from 1981 to 2.05 are examined for 2. meteorological monitoring sites in the Yangtze River Delta Region （YRDR） of China. Cumulative percentile analysis was used to construct VR trend. The 2.-year average domain average 50% VR was about 2..9 ± 1.9 km. Domain average 50% VR decreased from 1981 to 2.05 with a trend of -2.41 km /decade. The worst 2.%, 50% and best 2.% VR and variation rates for the 2. sites are analyzed. The 50% VR of the town, county-level city and prefecture-level city sites are 2..1 km, 2..5 km and 19.4 km, respectively. The best 2.% VR decreased fastest with the rate -3.5 km/decade. regional median VR decreased from the coastal sites to the inland sites. Ridit analysis and cumulative percentile have been adopted to study the VR variation properties between economically developed areas （e.g., Nanjing and Hangzhou） and remote areas （e.g., Lvsi）. The two analyses both show that VR decreased in Nanjing and Hangzhou while remained constant in Lvsi from 1981 to 2.05.

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Modeling Ecosystems of Tibetan Plateau under a Changing environment:Issue,Challenge and Opportunity

Modeling Ecosystems of Tibetan Plateau under a Changing Envi...

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第三世界生态高峰会

作者： Peng Changhui~(1.*) Ouyang Hua~2.Zhang Feng~2.Wu Haibin~1.1.Institiute of environment {1.,University of Quebec at Montreal Case postale 8888,succ Centre-Ville,Montréal(QC),Canada H3C 3P8 2.{2. of Geographic {1. & Natural Resources Research chinese academy of sciences,PO Box 971..beijing 1.01.1.China

The Qinghai-Tibetan Plateau,characterized by high elevation,high irradiance,low atmospheric pressure,low temperature,unique location, and undisturbanced vegetation,is the highest plateau in the world, and has strong effects on {1. and {2. asian climate system and regional *** terrestrial ecosystems of the Plateau are so diverse including subtropical,temperate and boreal forests,tundra, alpine,grassland,wetland and peatland and provide an ideal natural laboratory to investigate the potential impacts of global change on ecosystem structure and function,and their possible response to future global *** quantitatively examine the effects of global change on Plateau ecosystems,a number of models have been developed and tested over the past *** this paper,we are going to review the state of the art models,recent progress and their current applications to the Plateau regions in *** current issues,future challenges and collaboration opportunity will be also discussed.

关键词： Modeling Ecosystems of Tibetan Plateau under a Changing environment:Issue,Challenge and Opportunity

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