Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/joc.6359 |
Short communication comments on 'DISO: A rethink of Taylor diagram' | |
Xu, Zhongfeng; Han, Ying | |
2019-10-25 | |
发表期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY
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ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | In a recent article, Hu et al. (2019) argued that the commonly used Taylor diagram in climate model evaluation only considered centred statistics, while the absolute error (AE) was not considered. Therefore, they proposed a new index, termed Distance between Indices of Simulation and Observation (DISO), that takes AE, correlation coefficient, and uncentred RMSE into account to comprehensively measure climate model performance. Note that the widely used uncentred RMSE is a function of the AE and correlation coefficient. Therefore, it is not necessary to combine AE and correlation coefficient with the uncentred RMSE again to define DISO. In addition, model performance does not improve monotonically with the decrease in the DISO index, which is also a flaw of the index. Indeed, the Taylor diagram was constructed based on the cosine law between three-centred statistics that cannot measure the mean error of the climate model. However, this limitation can be mitigated by showing the mean error or percent bias on the diagram or constructing the Taylor diagram with uncentred statistics. The uncentred statistics still satisfy the cosine law and can also be illustrated in the Taylor diagram. In our viewpoint, there is nothing wrong with the Taylor diagram. On the contrary, the Taylor diagram can effectively visualize multiple statistics and compare the performance of different climate models. |
英文关键词 | centred statistics climate model evaluation model performance metrics statistical methods Taylor diagram uncentred statistics |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000492431300001 |
WOS关键词 | MODEL PERFORMANCE ; MULTIPLE ASPECTS ; SKILL SCORES |
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/187787 |
专题 | 气候变化 |
作者单位 | Chinese Acad Sci, Inst Atmospher Phys, CAS Key Lab Reg Climate & Environm Temperate East, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Xu, Zhongfeng,Han, Ying. Short communication comments on 'DISO: A rethink of Taylor diagram'[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2019. |
APA | Xu, Zhongfeng,&Han, Ying.(2019).Short communication comments on 'DISO: A rethink of Taylor diagram'.INTERNATIONAL JOURNAL OF CLIMATOLOGY. |
MLA | Xu, Zhongfeng,et al."Short communication comments on 'DISO: A rethink of Taylor diagram'".INTERNATIONAL JOURNAL OF CLIMATOLOGY (2019). |
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