本文選題：海霧 + 氣候特征��； 參考：《科學(xué)技術(shù)與工程》2016年36期

【摘要】：利用廣西北部灣典型地面氣象觀測站數(shù)據(jù),全面分析廣西北部灣地區(qū)輕霧、大霧的年際、年代際、逐月變化規(guī)律;并在此基礎(chǔ)上利用氣溫和相對濕度多個氣候因子分析北部灣海霧氣候特征變化的可能原因。結(jié)果表明:廣西北部灣地區(qū)多數(shù)站點(diǎn)輕霧發(fā)生頻次呈增加趨勢,其發(fā)生頻次經(jīng)過不同次數(shù)和幅度的波動�？傮w來說,多數(shù)站點(diǎn)輕霧20世紀(jì)70年代前為降低趨勢,70年代后為增加趨勢;各站點(diǎn)輕霧年代際變化規(guī)律波動較大。北部灣地區(qū)多數(shù)站點(diǎn)大霧發(fā)生頻次呈減少趨勢,較之于輕霧而言,其波動更頻繁,周期更短。多數(shù)站點(diǎn)20世紀(jì)80年代前為增加趨勢,80年代后為減少趨勢;各站點(diǎn)大霧年代際變化規(guī)律波動也較大。各站點(diǎn)輕霧、大霧主要集中發(fā)生在每年在1~4月和12月,這5個月輕霧出現(xiàn)概率達(dá)53.9%~83.3%、大霧出現(xiàn)概率達(dá)80.1%~98.4%。北部灣地區(qū)溫度的升高和大氣濕度的降低是其輕霧日數(shù)增加和大霧日數(shù)減少的可能原因。
[Abstract]:Based on the data of typical surface meteorological observation station in Beibu Gulf of Guangxi, the variation of light fog and heavy fog in Beibu Gulf region of Guangxi is analyzed in terms of interannual, decadal and monthly variation. On this basis, the possible reasons for the variation of climate characteristics of sea fog in Beibu Gulf were analyzed by using several climatic factors of air temperature and relative humidity. The results show that the frequency of light fog in most stations of Beibu Gulf of Guangxi shows an increasing trend and its frequency fluctuates through different times and ranges. On the whole, most stations had a decreasing trend before the 1970s and an increasing trend after the 1970s, and the interdecadal variation of light fog at most stations fluctuated greatly. The occurrence frequency of fog in most stations of Beibu Gulf shows a decreasing trend, which fluctuates more frequently and has a shorter period than that of light fog. Most sites increased the trend before the 1980s and decreased after the 1980s, and the interdecadal variation of fog at various stations fluctuated greatly. The fog occurred mainly in January to April and December of each year. The probability of light fog in these five months was 53.9 and 83.3, and the probability of heavy fog was 80.1 and 898.498.498.498.498. The increase of temperature and the decrease of atmospheric humidity in Beibu Gulf are the possible reasons for the increase of light fog days and the decrease of heavy fog days.
【作者單位】： 廣西壯族自治區(qū)氣象減災(zāi)研究所/國家衛(wèi)星氣象中心遙感應(yīng)用試驗(yàn)基地氣象GIS應(yīng)用聯(lián)合實(shí)驗(yàn)室;
【基金】：廣西自然學(xué)科學(xué)基金(2013GXNSFBA019225,2012GXNSFBA053133,2013GXNSFAA019288) 廣西科學(xué)研究與技術(shù)開發(fā)計(jì)劃(桂科攻1598017-13)資助
【分類號】：P732

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