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根据有效温度和风冷指数 ,结合漯河地区的天气与气候特点 ,用多因子权重回归方法建立了适合漯河地区的有效温度和风冷指数数学模式 ,在此基础上制作出人体舒适度专业预报产品 ,并把人体舒适度与着装量建立关系 ,更好地服务于人民生活。1 数学模式夏季模式为ｔｅｚ=1.2 5ｔａ- 0 .5× (ｔａ - 10 ) (1-Ｕ) - 0 .5冬季模式为Ｗｚ=- 0 .0 44 (10 0Ｖ +10 .45 -Ｖ)× (33-ｔａ) +33.88其中 ,ｔｅｚ为有效温度 ,Ｗｚ 为风冷指数 ,ｔａ 为气温 ,Ｕ为相对湿度 ,Ｖ为风速。2 专业产品发布为更好服务于人民生活 ,将舒适度等级、有效温度、风冷指数… 相似文献
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为做好天津电力气象服务工作,提供符合电力负荷预测需求的人体舒适度预报产品,本文根据国内外多种人体舒适度预报模型,利用2002—2005年夏季天津逐日电力负荷数据和气象数据,计算天津市逐日平均人体舒适度,详细分析各模型计算结果与平均气温和气象负荷的对应关系。结果发现,UTCI模型、吕伟林室外预报模型和李源模型计算的人体舒适度更符合天津市人体舒适度感觉,且与电力气象负荷的线性相关性较好。鉴于吕伟林模型在我国应用较广,本文采用最小二乘法对吕伟林室外预报模型进行拟合订正,建立出符合天津市电力气象服务需求的人体舒适度预报模型。 相似文献
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利用额济纳旗1960—2017年9月21日—10月31日气象资料,分析了最佳观赏期内人体舒适度指数、温湿指数、风寒指数、着衣指数、旅游气候舒适度。结果表明,近58 a来,研究区平均气温和最低气温呈上升趋势,相对湿度和风速呈减小趋势;胡杨林景区最佳观赏期人体舒适度指数、温湿指数、旅游气候舒适度指数呈上升趋势,风寒指数、着衣指数呈下降趋势;旅游气候舒适度、人体舒适度指数、温湿指数均与平均气温、最低气温呈极显著正相关关系,与风速呈极显著负相关关系,风寒指数、着衣指数分别与平均气温、最低气温呈极显著负相关关系,与风速呈极显著正相关关系(P0.01),气温升高是人体舒适度和旅游气候舒适度变化的主导因子。 相似文献
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采用标准有效温度和不舒适指标,分析了南京市热舒适状况。以南京市2010年全年的逐时气温和相对湿度资料为基础,计算了2010年逐月每小时气温和相对湿度平均值。通过假定在均匀的环境条件下,遮阴的室内,伏案工作活动量为1.0 met,夏季服装热阻为0.6 clo,春、秋、冬季服装热阻为0.9 clo,室内风速约为0.125 m/s,计算出各月逐时标准有效温度和不舒适指标。结果表明,南京市的热舒适状况具有明显的季节变化和日变化特征。季节变化特征显示：夏冬两季热舒适度偏低,夏季平均标准有效温度和不舒适指标分别为27.6℃和0.7,人体感觉偏热;冬季平均标准有效温度和不舒适指标分别为9.4℃和-2.8,人体感觉偏冷;春秋两季热舒适度指数高,春季平均标准有效温度和不舒适指标分别为19.7℃和-0.8,秋季为17.2℃和-1.3,人体普遍感觉舒适,但舒适期持续时间短,全年约62天。就日变化特征而言,冬季白天人体热舒适度普遍高于夜间,夏季则相反。上述结果能够较好地反映南京市人体的普遍热舒适感,可为旅游、建筑、医疗、交通等相关行业和部门提供参考。 相似文献
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基于1970—2019年呼和浩特、包头、鄂尔多斯（呼包鄂）地区25个气象站日值,以温湿指数、风效指数、着衣指数及舒适度综合指数为气候舒适度评价指标,利用趋势分析法、M-K突变检验法、通径分析法,对该地区的气候舒适度指数变化特征、影响舒适度指数的关键气象因子及舒适日数的空间分布特征进行分析。结果表明: 呼包鄂地区近50 a的温湿指数、风效指数、舒适度综合指数呈显著上升趋势,着衣指数呈显著下降趋势; 综合舒适期为4—10月,舒适日数在5—9月达到68%—93%,其中6—8月全月为舒适或较舒适日,在20世纪90年代内蒙古中部气候变化背景下,温湿舒适性和风效舒适性向暖转变,人体综合舒适度越来越高,适宜居住、旅游和避暑; 影响该地区气候舒适度的关键气象因子是温度和风速,其次是日照; 舒适和较舒适日数整体呈“北少南多”分布,舒适日数分布整体呈波动变化,较舒适级日数整体持续增多。工业生产、人类活动、生态环境在一定程度上影响气候舒适和较舒适日数。 相似文献
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从电力气象服务需求出发,利用2001—2010年5—9月河北省南电网逐日电力日峰负荷、日谷负荷与对应时间的气象资料,探讨晴热天气和闷热天气对电力日峰负荷、日谷负荷的影响特征。分析发现持续3 d以上的闷热天气相对晴热天气使电力日峰负荷、日谷负荷增长更显著;日最高气温32℃是引起河北省南电网日峰负荷增长的初始气温敏感点,35℃为强气温敏感点,38℃为极强气温敏感点,日最低气温25℃为引起日谷负荷增加的敏感气温临界点;建立了引入积温热累积效应的日峰负荷、日谷负荷多元回归气象预测模型,经2011—2013年应用检验,日峰负荷、日谷负荷预测平均相对误差分别为4.8%和3.5%,提高了预测准确率,对电力调度具有参考价值。 相似文献
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基于1991-2020年巍山县国家气象观测站气温、相对湿度、风速及日照等常规资料,主要对巍山县气温要素及温湿指数、风效指数、人体舒适度指数等表征宜居气候指标进行分析评价.结果表明,巍山县气候具有冬夏短、春秋长,冬无严寒,夏无酷暑,越冬条件好等特点,属四季分明区.5月至10月温湿指数、风效指数和人体舒适度指数表现较好,是... 相似文献
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Fei LIU Chen XING Jinbao LI Bin WANG Jing CHAI Chaochao GAO Gang HUANG Jian LIU Deliang CHEN 《大气科学进展》2020,37(7):663-670
正The Taal Volcano in Luzon is one of the most active and dangerous volcanoes of the Philippines. A recent eruption occurred on 12 January 2020(Fig. 1a), and this volcano is still active with the occurrence of volcanic earthquakes. The eruption has become a deep concern worldwide, not only for its damage on local society, but also for potential hazardous consequences on the Earth's climate and environment. 相似文献
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Analysis of Atmospheric Boundary Layer Height Characteristics over the Arctic Ocean Using the Aircraft and GPS Soundings 
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下载免费PDF全文 正ERRATUM to: Atmospheric and Oceanic Science Letters, 4(2011), 124-130 On page 126 of the printed edition (Issue 2, Volume 4), Fig. 2 was a wrong figure because the contact author made mistake giving the wrong one. The corrected edition has been updated on our website. The editorial office is sincerely sorry for any 相似文献
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《大气科学进展》2014,(6)
正AN Junling;see LI Ying et al.;(5),1221—1232AN Junling;see QU Yu et al.;(4),787-800AN Junling;see WANG Feng et al.;(6),1331-1342Ania POLOMSKA-HARLICK;see Jieshun ZHU et al.;(4),743-754Baek-Min KIM;see Seong-Joong KIM et al.;(4),863-878BAI Tao;see LI Gang et al.;(1),66-84BAO Qing;see YANG Jing et al.;(5),1147—1156BEI Naifang; 相似文献
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《Acta Meteorologica Sinica》2014,(6)
正Journal of Meteorological Research is an international academic journal in atmospheric sciences edited and published by Acta Meteorologica Sinica Press,sponsored by the Chinese Meteorological Society.It has been acting as a bridge of academic exchange between Chinese and foreign meteorologists and aiming at introduction of the current advancements in atmospheric sciences in China.The journal columns include Articles.Note and Correspondence,and research letters.Contributions from all over the world are welcome. 相似文献
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自地球形成至寒武纪将近40亿年（距今46亿～5.4亿年,通常称为前寒武纪）的气候演变是一个具有特殊难度和挑战性的研究领域,同时也是基础和前沿的研究领域。文章选择了前寒武纪气候演化中的三个重要科学问题进行综述：大气演化、两次全球性的冰川期以及暗弱太阳问题。关于大气演化,本文首先描述了大气成分的演化历史,然后简述了影响大气成分演化的三个基本过程：大气逃逸、两次大气氧含量突然增加、碳酸盐-硅酸盐循环及其对气候系统的负反馈作用。两次全球性的冰川期分别发生在古元古代（距今24亿～21亿年）和新元古代（距今8亿～5.8亿年）,文章简述了其成因以及相关的气候模拟结果。暗弱太阳问题是地球历史气候演化的一个经典问题,论文简要地综述了一些最新的研究成果和观点。 相似文献
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淮河流域水文极值预测模型研究 总被引：1，自引：0，他引：1
为探索气候变化影响下水文极值的非平稳性和预测方法,建立了水文极值非平稳广义极值（GEV）分布的统计预测模型。利用1952-2010年淮河上游流域累计面雨量和流量年最大值资料、同期500 hPa环流特征量资料以及17个CMIP5模式对环流特征量的模拟结果,筛选出对水文极值影响显著的年平均北半球极涡强度指数作为GEV分布参数的预测因子。分析了在RCP2.6、RCP4.5和RCP8.5情景下2006-2050年淮河上游流域水文极值对气候变化的响应。结果表明,10年以下与10年以上重现期的水文极值在非平稳过程中呈现前者下降而后者上升的相反变化趋势;多模型预测的集合平均在未来情景中均呈现上升趋势,情景排放量越大增幅越大,重现期越长增幅也越大。与极值的常态相比,极值的极端态更易受气候变化影响。 相似文献
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The spatial and temporal variations of daily maximum temperature(Tmax), daily minimum temperature(Tmin), daily maximum precipitation(Pmax) and daily maximum wind speed(WSmax) were examined in China using Mann-Kendall test and linear regression method. The results indicated that for China as a whole, Tmax, Tmin and Pmax had significant increasing trends at rates of 0.15℃ per decade, 0.45℃ per decade and 0.58 mm per decade,respectively, while WSmax had decreased significantly at 1.18 m·s~(-1) per decade during 1959—2014. In all regions of China, Tmin increased and WSmax decreased significantly. Spatially, Tmax increased significantly at most of the stations in South China(SC), northwestern North China(NC), northeastern Northeast China(NEC), eastern Northwest China(NWC) and eastern Southwest China(SWC), and the increasing trends were significant in NC, SC, NWC and SWC on the regional average. Tmin increased significantly at most of the stations in China, with notable increase in NEC, northern and southeastern NC and northwestern and eastern NWC. Pmax showed no significant trend at most of the stations in China, and on the regional average it decreased significantly in NC but increased in SC, NWC and the mid-lower Yangtze River valley(YR). WSmax decreased significantly at the vast majority of stations in China, with remarkable decrease in northern NC, northern and central YR, central and southern SC and in parts of central NEC and western NWC. With global climate change and rapidly economic development, China has become more vulnerable to climatic extremes and meteorological disasters, so more strategies of mitigation and/or adaptation of climatic extremes,such as environmentally-friendly and low-cost energy production systems and the enhancement of engineering defense measures are necessary for government and social publics. 相似文献
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Atmospheric Infra Red Sounder(AIRS) measurements are a valuable supplement to current observational data, especially over the oceans where conventional data are sparse. In this study, two types of AIRS-retrieved temperature and moisture profiles, the AIRS Science Team product(Sci Sup) and the single field-of-view(SFOV) research product, were evaluated with European Centre for Medium-Range Weather Forecasts(ECMWF) analysis data over the Atlantic Ocean during Hurricane Ike(2008) and Hurricane Irene(2011). The evaluation results showed that both types of AIRS profiles agreed well with the ECMWF analysis, especially between 200 h Pa and 700 h Pa. The average standard deviation of both temperature profiles was approximately 1 K under 200 h Pa, where the mean AIRS temperature profile from the AIRS Sci Sup retrievals was slightly colder than that from the AIRS SFOV retrievals. The mean Sci Sup moisture profile was slightly drier than that from the SFOV in the mid troposphere. A series of data assimilation and forecast experiments was then conducted with the Advanced Research version of the Weather Research and Forecasting(WRF) model and its three-dimensional variational(3DVAR) data assimilation system for hurricanes Ike and Irene. The results showed an improvement in the hurricane track due to the assimilation of AIRS clear-sky temperature profiles in the hurricane environment. In terms of total precipitable water and rainfall forecasts, the hurricane moisture environment was found to be affected by the AIRS sounding assimilation.Meanwhile, improving hurricane intensity forecasts through assimilating AIRS profiles remains a challenge for further study. 相似文献