衡陽(yáng)地區(qū)自動(dòng)站與人工觀測(cè)站氣溫對(duì)比分析

doi:10.3969/2012jms.0155

首頁(yè) > 過(guò)刊瀏覽>2014年第34卷第1期 >112-118. DOI:10.3969/2012jms.0155

衡陽(yáng)地區(qū)自動(dòng)站與人工觀測(cè)站氣溫對(duì)比分析
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                        10.3969/2012jms.0155
                    
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基金項(xiàng)目:公益性行業(yè)（氣象）科研專(zhuān)項(xiàng)（GYHY20130616）；衡陽(yáng)市科技局社會(huì)發(fā)展科技支撐項(xiàng)目（2010KS07）；國(guó)家自然科學(xué)基金資助項(xiàng)目（41171075）

Comparison of the temperatures between automatic instrument recording and manual observation in Hengyang city

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利用衡陽(yáng)站、常寧站、南岳高山站2004—2006年自動(dòng)與人工平行觀測(cè)資料，運(yùn)用相關(guān)分布、對(duì)比差值等分析方法，研究了自動(dòng)站與人工站氣溫的差異性及變化特點(diǎn)。結(jié)果表明：自動(dòng)氣象站與人工站氣溫值的穩(wěn)定性均很好，未出現(xiàn)大的系統(tǒng)性偏差。衡陽(yáng)自動(dòng)站以偏低為主，南岳高山和常寧自動(dòng)站則以偏高為主。在氣溫較低的地區(qū)或時(shí)間段，自動(dòng)站與人工站氣溫值相等出現(xiàn)幾率更大。對(duì)比差值在逐時(shí)變化中表現(xiàn)出"單峰型"分布特征，最大值出現(xiàn)在11時(shí)，最小值出現(xiàn)在20時(shí)。影響對(duì)比差值大小變化的主要因素是氣溫的變化幅度，這種反應(yīng)存在一定的滯后性，同時(shí)這種變化也是非對(duì)稱(chēng)性的，對(duì)比差上升增速要大于其下降的減速。衡陽(yáng)站、南岳高山站氣溫對(duì)比差值，月平均誤差范圍小，達(dá)到《地面氣象觀測(cè)規(guī)范》要求。常寧自動(dòng)氣象站氣溫以偏高為主，溫差變化大，特別在春、夏季部分月份表現(xiàn)更為明顯。

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Based on the two series data of daily temperature from 2004 to 2006 in Hengyang, Changning and Nanyue weather stations, the difference between the automatic recording and manual observation is studied by using correlation analysis and deviation comparison method. The results show that (1) the temperatures from the automatic recording and manual observation are both stable, and no huge systematic deviation is available; the difference between the two temperatures at Hengyang station is small, while at Nanyue and Changning station, the differences are obvious. (2) The hourly difference between the two temperatures shows 'single peak value' model, with the maximum value appears at 11:00 in the morning, the minimum at 20:00. The main reason of the difference is the changing degree of the temperatures, a little lagging is possible. (3) In specific hourly observations, the difference between them changes with the real temperature values, the automatic records are higher than manual observations at 08:00 and 14:00 but lower at 02:00 and 20:00. (4) The average monthly difference between automatic and manual records is negligcble according to the standard of the criterion for surface meteorological observation. However, the temperature from the automatic instrument at Changning station is often higher than that from manual observation; the difference between them changes widely, especially in spring and summer.

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陳濤,葉成志,李超.衡陽(yáng)地區(qū)自動(dòng)站與人工觀測(cè)站氣溫對(duì)比分析.氣象科學(xué),2014,34(1):112-118 CHEN Tao, YE Chengzhi, LI Chao. Comparison of the temperatures between automatic instrument recording and manual observation in Hengyang city. Journal of the Meteorological Sciences,2014,34(1):112-118

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收稿日期:2012-08-28
最后修改日期:2012-10-29
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在線(xiàn)發(fā)布日期: 2014-02-21
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