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投稿时间:2008-08-26 修订日期:2009-12-17
投稿时间:2008-08-26 修订日期:2009-12-17
中文摘要: 利用RHtestV2软件包,对三峡库区逐月气压气候序列进行了均一性检验并做了初步订正。发现RHtestV2软件包对大部分台站都能基本检验出与元数据资料中给出的迁站信息基本一致或接近的不均一或突变出现的时间,同时,也能合理地订正逐月气压气候序列,这有利于进行气候变化研究以及分析水库蓄水后的局地气候效应。对有平行观测资料的秭归站,对用差值法和用RHtestV2软件包订正的气压序列做了对比,可以看出两种方法订正后的结果比较接近,都能合理地对气压气候序列进行订正。
中文关键词: 三峡库区, 气压, 不均一性, 检验, 订正
Abstract:Using an RHtestV2 software package, this paper tested the inhomogeneities of monthly air pressure series in Three Gorges areas and then the discontinuities were adjusted. The results show that for most stations, the inhomogeneities or change points can be detected and are almost consistent with the station relocation time in metadata. At the same time, the air pressure series were adjusted. This adjusted dataset is more reliable in climate change research or local climate impact analysis after Three Gorges sluice. At Zigui Station, there were 7 year parallel observations and we also use the difference method to adjust the air pressure series. The results show that the two methods both gave reasonably adjusted air pressure series.
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基金项目:国务院三峡工程建设委员会办公室生态环境补偿经费(SX2009 004)、国际科技合作计划(2010DFA21340)、国家科技支撑计划课题(2007BAC29B05)共同资助
作者 | 单位 |
曾红玲 | 国家气候中心, 北京 100081 |
张强 | 中国气象局预报与网络司, 北京 100081 |
祝昌汉 | 国家气候中心, 北京 100081 |
引用文本:
曾红玲,张强,祝昌汉,2010.三峡库区气压资料的不均一性检验及订正[J].气象,36(10):57-61.
ZENG Hongling,ZHANG Qiang,ZHU Changhan,2010.Detecting and Adjusting on Temporal Inhomogeneities of Air Pressure Datasets in Three Gorges Areas[J].Meteor Mon,36(10):57-61.
曾红玲,张强,祝昌汉,2010.三峡库区气压资料的不均一性检验及订正[J].气象,36(10):57-61.
ZENG Hongling,ZHANG Qiang,ZHU Changhan,2010.Detecting and Adjusting on Temporal Inhomogeneities of Air Pressure Datasets in Three Gorges Areas[J].Meteor Mon,36(10):57-61.