渤海灣西部沿岸地區(qū)氣溫特征的觀測(cè)研究

doi:10.3969/2012jms.00**

首頁 > 過刊瀏覽>2009年第卷第5期 >694-699. DOI:10.3969/2012jms.00**

渤海灣西部沿岸地區(qū)氣溫特征的觀測(cè)研究
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                        10.3969/2012jms.00**
                    
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中圖分類號(hào):P423.3
基金項(xiàng)目:國(guó)家自然科學(xué)基金重點(diǎn)項(xiàng)目“渤海海冰作為淡水資源的儲(chǔ)量測(cè)算”（40335048），十一五國(guó)家科技支撐計(jì)劃項(xiàng)目（2006BAB03A03）863科技支撐計(jì)劃重大項(xiàng)目課題（2006BABA03）

The observation research of temperature impacted by the sea land breeze in the coastal area of Western Bohai bay

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在渤海灣西岸沿著垂直于海岸的方向從海邊向內(nèi)陸設(shè)置了4個(gè)自動(dòng)氣象觀測(cè)站，以10 min為時(shí)間間隔觀測(cè)地面15 m處氣溫。結(jié)合鄰近氣象臺(tái)站的溫度觀測(cè)，分析渤海灣沿岸氣溫的時(shí)空變化特征。結(jié)果表明：秋、冬季氣溫升降迅速，夏季氣溫升降緩慢；冬季和夏季氣溫日較差小，秋季氣溫日較差大；日平均氣溫與日最低氣溫從海邊向內(nèi)陸逐漸降低，日最高氣溫和氣溫日較差從海邊向內(nèi)陸逐漸升高；夏季海陸風(fēng)日的氣溫時(shí)空變化顯著，海邊地區(qū)的氣溫日變幅小，內(nèi)陸地區(qū)的氣溫日變幅大，海陸溫差隨著離岸距離的增加而加大；秋、冬季海陸風(fēng)日的海邊和內(nèi)陸之間的氣溫日變幅小，海邊和內(nèi)陸之間的海陸溫差變幅基本相當(dāng)；海陸風(fēng)環(huán)流影響海岸地區(qū)氣溫的時(shí)間范圍主要是海陸風(fēng)日，空間范圍從海邊伸向內(nèi)陸?yīng)?0 km左右，最大范圍從海邊伸向內(nèi)陸50~60 km左右。

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Four meteorological stations were set up in a line perpendicular to the western coast of Bohai bay from the coast to the inland.The temperatures at the height of 15 meters were observed at a ten minute interval.On the basis of meteorological data obtained from the observation and from meteorological stations nearby,the temporal and spatial variations of temperature in Bohai bay area were analyzed.The results showed that the temperature had most significant variances in autumn and winter,but the smoothest variance in summer.And the daily mean temperature and lowest temperature both decrease from the coast to the inner land,whereas the daily highest temperature and temperature difference increase from the coast to the inner land.Sea-land breeze days in summer had significant temporal and spatial temperature variances with small daily temperature changes in the coastal area and large changes in inland area.The sea-land days in autumn and winter had small daily variances and similar sea-land temperature differences between coast and inner land.The sea-land breeze day is the time when coastal temperature was influenced by sea-land breeze circulations. And the impacted area was primarily determined as 10 km inland from the coast with the possible maximum value of 50~60 km.

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朱萊茵,許映軍,崔維佳,顧衛(wèi),黃樹青.渤海灣西部沿岸地區(qū)氣溫特征的觀測(cè)研究.氣象科學(xué),2009,(5):694-699 Zhu Laiyin,Xu Yingjun, Cui Weijia, Gu Wei, Huang Shuqing. The observation research of temperature impacted by the sea land breeze in the coastal area of Western Bohai bay. Journal of the Meteorological Sciences,2009,(5):694-699

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