渤海灣西部沿岸地區(qū)氣溫特征的觀測研究

doi:10.3969/2012jms.00**

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渤海灣西部沿岸地區(qū)氣溫特征的觀測研究
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                        10.3969/2012jms.00**
                    
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中圖分類號:P423.3
基金項目:國家自然科學基金重點項目“渤海海冰作為淡水資源的儲量測算”（40335048）

The observation research of temperature impacted by the sea land breeze in the coastal area of 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)陸設置了4個自動氣象觀測站，以10 min為時間間隔觀測地面15 m處氣溫?；谶@些野外觀測數(shù)據(jù)和鄰近氣象臺站的溫度觀測數(shù)據(jù)，對渤海灣沿岸地區(qū)氣溫的時空變化特征進行了分析。結果表明：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；夏季海陸風日的氣溫時空變化顯著，海邊地區(qū)的氣溫日變化幅度小，內(nèi)陸地區(qū)的氣溫日變化幅度大，海陸溫差隨著離岸距離的增加不斷加大；秋、冬季海陸風日的海邊和內(nèi)陸之間的氣溫日變化幅度小，海邊和內(nèi)陸之間的海陸溫差變化幅度基本相當；海陸風環(huán)流影響海岸地區(qū)氣溫的時間范圍主要是海陸風日，空間范圍初步確認是從海邊伸向內(nèi)陸10 km左右，估計最大范圍可能是從海邊伸向內(nèi)陸50~60 km左右。

Abstract:

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,顧衛(wèi),李寧,崔維佳,黃樹青.渤海灣西部沿岸地區(qū)氣溫特征的觀測研究.氣象科學,2009,(4): Zhu Laiyin, Xü Yingjun, Gu Wei, Li Ning, Cui Weijia, Huang Shuqing. The observation research of temperature impacted by the sea land breeze in the coastal area of Bohai bay. Journal of the Meteorological Sciences,2009,(4):

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