基于新型自動(dòng)站運(yùn)行狀態(tài)的數(shù)據(jù)質(zhì)量判識(shí)
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Judgment on Observation Data Quality Based on Operation Status Information of NewType Automatic Weather Stations in China
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    摘要:

    通過(guò)統(tǒng)計(jì)新型自動(dòng)氣象站相關(guān)設(shè)備監(jiān)測(cè)點(diǎn)運(yùn)行狀態(tài)信息及同時(shí)段地溫、氣壓、氣溫、濕度、風(fēng)、降水6要素?cái)?shù)據(jù)質(zhì)量的正常或異常頻率,對(duì)觀測(cè)要素?cái)?shù)據(jù)與設(shè)備狀態(tài)信息做了相關(guān)性分析,并針對(duì)各要素統(tǒng)計(jì)了相關(guān)狀態(tài)監(jiān)測(cè)點(diǎn)的命中率、誤警率等指標(biāo)。結(jié)果表明通信狀態(tài)、設(shè)備自檢狀態(tài)及傳感器3個(gè)監(jiān)測(cè)點(diǎn)運(yùn)行正常時(shí)與觀測(cè)數(shù)據(jù)間的一致性較好,正常命中率高于96%,而采集器、通信接口、計(jì)數(shù)器、AD、主板溫度等部件狀態(tài)異常時(shí)與觀測(cè)數(shù)據(jù)間一致性較差,異常命中率低于3%。利用國(guó)內(nèi)新型自動(dòng)站運(yùn)行狀態(tài)文件來(lái)輔助判斷相關(guān)觀測(cè)要素質(zhì)量,雖然在應(yīng)用中還存在一定問(wèn)題和需改進(jìn)方向,但有利于改進(jìn)數(shù)據(jù)質(zhì)量控制方法、提高數(shù)據(jù)的真實(shí)性和可用性。

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    Based on the statistics of normal and abnormal frequencies of the monitoring status and data quality of ground temperature, pressure, temperature, humidity, wind and precipitation from newtype automatic meteorological stations, the correlation analysis between observation data and equipment status information is conducted, and the accuracy rate and error rate are calculated in this paper. The results show that there is a good consistency between observational data and communication status, equipment selftest status and sensors, with normalaccuracy rate exceeding 96%, while the consistency between observational data and the collector, communication interface, counter, AD and motherboard temperature, etc., is poor, with abnormalaccuracy rate less than 3%. The operational status information of domestic newtype AWSs is utilized for the quality judgment of observation elements for the first time. Although there are still certain problems in application needing improvement, this study is of significance for improving the data quality control methods and promoting the authenticity and availability of AWS’s data.

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周青,賈樹(shù)澤,張樂(lè)堅(jiān),劉銀鋒,李雁,李峰,秦世廣.基于新型自動(dòng)站運(yùn)行狀態(tài)的數(shù)據(jù)質(zhì)量判識(shí)[J].氣象科技,2017,45(6):980~987

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  • 收稿日期:2016-11-30
  • 定稿日期:2017-03-30
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  • 在線發(fā)布日期: 2017-12-28
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