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An algorithm for daily temperature comparison: Co.Temp - comparing series of temperature
Earth Science Informatics ( IF 2.7 ) Pub Date : 2019-10-19 , DOI: 10.1007/s12145-019-00414-y
D. Guenzi , F. Acquaotta , D. Garzena , A. Baronetti , S. Fratianni

Having a high-quality database is a necessary condition to study the climate variations in a location, in a nation or in a continent. The World Meteorological Organization, WMO, is aware of the importance of identifying the non-climate factors that can modify the recorded values of the meteorological variables. According to this, WMO wrote a set of guidelines recognizing the need for National Meteorological Services to improve databases managing this kind of information (WMO 2007). One of these guidelines points out that this work can be done using parallel observations. Comparing series of Temperature, CoTemp, is a free and open source software written in R language that could help the identification of discontinuity caused by non-climate factors, change in instrumentation, change in positioning or change in the network. It works on parallel series with an overlapping period of at least 1 year. CoTemp starts with a statistical analysis, classifies the events (in cold, mean and heat events), and then shows their differences. CoTemp is a cross-platform software, easily adaptable to different needs, that takes in input a single text file with daily information of two temperature series and outputs tables (in CSV format) and plots (as PDF images) that help in the interpretation of the data. CoTemp code has been tested and used on different temperature series in the Piedmont region (northwestern Italy) and in the Gaspè Peninsula (Canada).

中文翻译:

每日温度比较的算法:Co.Temp-比较温度序列

拥有高质量的数据库是研究某个国家,某地区或整个大陆的气候变化的必要条件。WMO世界气象组织意识到识别非气候因素的重要性,这些因素可以修改气象变量的记录值。据此,WMO编写了一套准则,认识到国家气象部门需要改进管理此类信息的数据库(WMO 2007)。这些准则之一指出,可以使用平行观察来完成这项工作。比较温度系列CoTemp是一种用R语言编写的免费开源软件,可以帮助识别由非气候因素,仪器变化,位置变化或网络变化引起的不连续性。它适用于平行系列,重叠时间至少为一年。CoTemp首先进行统计分析,对事件进行分类(冷,中,热事件),然后显示其差异。CoTemp是一款跨平台软件,可轻松适应不同需求,它输入单个文本文件,其中包含两个温度系列的每日信息,并输出表格(CSV格式)和图表(以PDF图像形式),以帮助解释数据。CoTemp代码已在皮埃蒙特地区(意大利西北部)和加斯佩半岛(加拿大)的不同温度序列上进行了测试和使用。易于适应不同的需求,它输入单个文本文件,其中包含两个温度系列的每日信息,并输出有助于解释数据的表格(CSV格式)和图表(作为PDF图像)。CoTemp代码已在皮埃蒙特地区(意大利西北部)和加斯佩半岛(加拿大)的不同温度序列上进行了测试和使用。易于适应不同的需求,它输入单个文本文件,其中包含两个温度系列的每日信息,并输出有助于解释数据的表格(CSV格式)和图表(作为PDF图像)。CoTemp代码已在皮埃蒙特地区(意大利西北部)和加斯佩半岛(加拿大)的不同温度序列上进行了测试和使用。
更新日期:2019-10-19
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