GSTDTAP  > 气候变化
DOI10.1002/joc.4849
A homogenized long-term temperature record for the Western Cape Province in South Africa: 1916-2013
Lakhraj-Govender, Rakhee1,2; Grab, Stefan2; Ndebele, Nothabo E.3
2017-04-01
发表期刊INTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN0899-8418
EISSN1097-0088
出版年2017
卷号37期号:5
文章类型Article
语种英语
国家South Africa
英文摘要

To establish precise climate trend analyses, highly reliable and accurate homogenous historical climate data are required. To this end, we undertake a robust quality control and homogenization process of daily T-max and T-min data (1916-2013) for the Western Cape Province, South Africa, using RClimDex, ProClimDB and Anclim software. Inhomogeneities were detected using the pairwise method in AnClim, suggesting possible artificial shifts in the time series. The adjustment of time series utilized ProClimDB software to create reference series using highly correlated or nearest neighbour stations. Given few available long-term data sets, the study is limited to eight suitable stations. The modified Mann Kendall test in XLSTAT 2015 software identified annual and seasonal trends in the newly homogenized monthly T-max and T-min data. Annual T-max and T-min adjusted data over the Western Cape region indicate statistically significant increasing temperature trends over the period 1916-2013, with the exception of an insignificant decreasing T-max trend at Cape St Blaize. A statistically significant increasing trend (0.13 degrees C/decade) for all stations used in this study is recorded for the common period 1937-2001. The seasonal trends also support significant increasing trends, with the exception of T-max trends for summer (-0.03 degrees C/decade) and autumn (0 degrees C/decade) at Kirstenbosch.


英文关键词homogeneity temperature trend analysis Mann Kendall Western Cape
领域气候变化
收录类别SCI-E
WOS记录号WOS:000398859700012
WOS关键词DATA QUALITY-CONTROL ; MANN-KENDALL ; TIME-SERIES ; TREND ; PRECIPITATION ; SHIFTS ; TESTS
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/36899
专题气候变化
作者单位1.Tshwane Univ Technol, Sch Environm Water & Earth Sci, Pretoria, South Africa;
2.Univ Witwatersrand, Sch Geog Archaeol & Environm Studies, Johannesburg, South Africa;
3.Univ Witwatersrand, Sch Stat & Actuarial Sci, Johannesburg, South Africa
推荐引用方式
GB/T 7714
Lakhraj-Govender, Rakhee,Grab, Stefan,Ndebele, Nothabo E.. A homogenized long-term temperature record for the Western Cape Province in South Africa: 1916-2013[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2017,37(5).
APA Lakhraj-Govender, Rakhee,Grab, Stefan,&Ndebele, Nothabo E..(2017).A homogenized long-term temperature record for the Western Cape Province in South Africa: 1916-2013.INTERNATIONAL JOURNAL OF CLIMATOLOGY,37(5).
MLA Lakhraj-Govender, Rakhee,et al."A homogenized long-term temperature record for the Western Cape Province in South Africa: 1916-2013".INTERNATIONAL JOURNAL OF CLIMATOLOGY 37.5(2017).
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