台湾海峡西岸晴天近地面大气电场日变化及其影响因素
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摘要
利用台湾海峡西岸晴天近地面大气电场、PM_(10)、SO_2、NO_2、CO、NO、NO_X、温度、相对湿度和气压的同步观测资料,对大气电场日变化及其与典型大陆复杂型大气电场的差异进行了研究,并分析了大气电场与各影响因子之间的关系.结果表明:台湾海峡西岸晴天大气电场日变化呈双峰双谷特征,峰值分别出现在4时和10时,谷值分别出现在14时和19时,相比其他区域大气电场的差异性特征,台湾海峡西岸大气电场的日变化与海陆风关系较为密切.PM10、SO_2、NO_2、CO、NO、NO_X、相对湿度和气压与大气电场呈现正相关性,O_3和温度与大气电场呈负相关.
By using the synchronous observation data including atmospheric electric field,PM_(10),SO_2,NO_2,CO,NO,NO_X,temperature,relative humidity and air pressure under the clear day near the ground of the west coast of theTaiwan Strait,the differences between diurnal variation of theatmospheric electric field and thetypical complex atmospheric electric field are studied.We also analyze the relationship between the atmospheric electric field and its influencing factors.The diurnal variation of atmospheric electric field under the clear day near the ground of the west coast of theTaiwan Strait shows the characteristics of double peaks and double valleys.The peaks appear at 04:00 and 10:00,and the valley values at 14:00 and 19:00.Compared to the different characteristics of other regional atmospheric electric field,the diurnal variation of theatmospheric electric field in thewest coast of theTaiwan Strait is more closely relatedto sea land breeze.The atmospheric electric field is in a positive correlation with PM10,SO2,NO2,CO,NO,NOX,relative humidity and air pressure and in a negative correlation with O_3 and temperature.
By using the synchronous observation data including atmospheric electric field,PM_(10),SO_2,NO_2,CO,NO,NO_X,temperature,relative humidity and air pressure under the clear day near the ground of the west coast of theTaiwan Strait,the differences between diurnal variation of theatmospheric electric field and thetypical complex atmospheric electric field are studied.We also analyze the relationship between the atmospheric electric field and its influencing factors.The diurnal variation of atmospheric electric field under the clear day near the ground of the west coast of theTaiwan Strait shows the characteristics of double peaks and double valleys.The peaks appear at 04:00 and 10:00,and the valley values at 14:00 and 19:00.Compared to the different characteristics of other regional atmospheric electric field,the diurnal variation of theatmospheric electric field in thewest coast of theTaiwan Strait is more closely relatedto sea land breeze.The atmospheric electric field is in a positive correlation with PM10,SO2,NO2,CO,NO,NOX,relative humidity and air pressure and in a negative correlation with O_3 and temperature.
引文
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[3]陈渭民.雷电学原理[M].北京:气象出版社,2006.
[4]周筠珺,陈成品,刘黎平,等.青藏高原那曲地区冰雹天气场系统中的大气电场[J].高原气象,2000,19(3):339-347.
[5]郄秀书,RALF T.卫星观测到的青藏高原雷电活动特征[J].高原气象,2003,22(3):288-294.
[6]言穆弘,肖庆复,申巧南.1988年9-11月西太平洋海区大气电场特征分析[J].高原气象,1990,9(4):395-404.
[7]DHANORKAR S S,DESHPANDE C G,KAMRA A K.Observations of Some Atmospheric Electrical Parameters in the Surface Layer[J].Atmospheric Environments,1989,23(4):839-841.
[8]KAMRA A K.Fair Weather Space Charge Distribution in the Lowest Two Meters of Atmosphere[J].Journal of Geophysical Research,1982,87(6):4257-4263.
[9]SERRANO C,REIS A H,ROSA R,et al.Influences of Cosmic Radiation,Artifical Radioactivity and Aerosol Concentration Upon the Fair Weather Atmospheric Electric Field in Lisbon(1955-1991)[J].Atmos Res,2006,81(3):236-249.
[10]LATHA R.Diurnal Variation of Surface Electric Field at a Tropical Station in Different Seasons:a Study of Plausible Influences[J].Earth Planets and Space,2003,55(11):677-685.
[11]吴亭,吕伟涛,刘晓阳,等.北京地区不同天气条件下近地面大气电场特征[J].应用气象学报,2009,20(4):394-401.
[12]徐斌,张颖,贾焕玉,等.西藏羊八井地区近地面晴天大气电场周期变化[J].高原气象,2009,28(2):314-318.
[13]张华明,张义军,杨世刚,等.太原地区大气电场及其与大气污染物关系[J].环境科学与及技术,2013,36(9):66-69,95.
[14]张祎,张卫斌,王振会,等.欧亚大陆晴天大气电场变化特征统计分析[J].大气科学学报,2015,38(5):703-709.
[15]HARRISON R G.Long-Term Measurements of the Global Atmospheric Electric Circuit at Eskdalemuir,Scotland,1911-1981[J].Atmospheric Research,2004,70(1):1-19.
[16]刘畅,靳小兵,陆茂,等.成都地区晴天地面大气电场特征研究[C].天津:第32届中国气象年会论文集,2015.
[17]张春龙,李春影,吕东波,等.哈尔滨地区大气电场的特征及在雷电预警中的应用[C].天津:第32届中国气象年会论文集,2015.
[18]盛裴轩,毛节泰,李建国,等.大气物理学[M].北京:北京大学出版社,2006.