GSTDTAP  > 气候变化
DOI10.1002/joc.5191
Homogenization of Ukrainian air temperature data
Osadchyi, Volodymyr1; Skrynyk, Olesya2; Radchenko, Roman1; Skrynyk, Oleg1
2018
发表期刊INTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN0899-8418
EISSN1097-0088
出版年2018
卷号38期号:1页码:497-505
文章类型Article
语种英语
国家Ukraine
英文摘要

A database of monthly mean air temperature data collected in Ukraine has been created. The database contains records of 514 stations, which were working at one time or another during the period 1812-2014. Metadata have also been collected using the available descriptions of the stations' histories. Regular observations at a sufficiently large number of stations contained in the database began in the early 1880s. However, due to the disruptions that occurred during World Wars I and II and resulted in a lot of missing data, a reliable homogenized data set can be obtained only for the period 1946-2014. For this period, we have homogenized the data from 178 stations by means of the HOMER software. The total number of breaks that we have identified is 287. However, only approximately 31% of them can be explained by the station relocations or other reasons. The shift magnitudes in annual series do not exceed +/- 1 degrees C with the small negative mean value. Therefore, on average, the inhomogeneities of the time series have an effect of increasing the past temperature slightly over the territory of Ukraine and, consequently, decrease the rate of the temperature rise. The trend analysis of the raw and homogenized time series confirms this conclusion. The homogenized data show a more realistic pattern of the spatial distribution of the temperature tendencies, in contrast to many artificial spots of higher or lower trend values in the raw data. After the homogenization, the areas with insignificant trends were considerably reduced.


英文关键词monthly mean air temperature homogenization of time series HOMER software Ukraine
领域气候变化
收录类别SCI-E
WOS记录号WOS:000419093600034
WOS关键词TIME-SERIES ; CLIMATE ; INHOMOGENEITIES ; HOMOGENEITY ; HOMER
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/37269
专题气候变化
作者单位1.Ukrainian Hydrometeorol Inst, 37 Prospekt Nauky, UA-03028 Kiev, Ukraine;
2.Natl Univ Life & Environm Sci Ukraine, Kiev, Ukraine
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GB/T 7714
Osadchyi, Volodymyr,Skrynyk, Olesya,Radchenko, Roman,et al. Homogenization of Ukrainian air temperature data[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2018,38(1):497-505.
APA Osadchyi, Volodymyr,Skrynyk, Olesya,Radchenko, Roman,&Skrynyk, Oleg.(2018).Homogenization of Ukrainian air temperature data.INTERNATIONAL JOURNAL OF CLIMATOLOGY,38(1),497-505.
MLA Osadchyi, Volodymyr,et al."Homogenization of Ukrainian air temperature data".INTERNATIONAL JOURNAL OF CLIMATOLOGY 38.1(2018):497-505.
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