Tailoring circulation type classification outcomes
نویسندگان
چکیده
Efforts to intercompare many existing circulation type classification (CTC) methods have found no consistency in their outcomes. Therefore, when confronted with a task classify atmospheric types, it is difficult find clear guidelines. This study explores the ways of increasing between and obtaining physically meaningful practically useful results. By applying range CTC sea-level pressure fields over Scandinavian domain, shown that using same similarity measure (pattern correlation (CORR) or Euclidean distance (DIST)) higher consistency. It further outcomes can be tailored towards specific user requirements by properly manipulating input data. Using unprocessed data DIST-based frequently results classes containing inconsistent members because procedure obfuscated circulation-irrelevant information spatially standardized leads considerably improved agreement CORR-based brings high physical within individual classes. However, standardizing removes too much circulation-relevant improvement partitioning dependent variables such as precipitation. Best performance achieved spatial mean removed. simple focuses use only hence both consistent optimally performing variables. Consequently, recommended guideline would spatial-mean-removed generally most effective approach.
منابع مشابه
A new circulation type classification based upon Lagrangian air trajectories
Alexandre M. Ramos*, Michael Sprenger, Heini Wernli , Ana M. Durán-Quesada, Maria N. Lorenzo and Luis Gimeno 1 Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal 2 Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland 3 School of Physics and Center for Geophysical Research, University of Costa Rica, San Jose, Costa Rica 4 Environmental P...
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The following articles are being highlighted as part of Circulation’s Topic Review series. This series summarizes the most important manuscripts, as selected by the editors, published in Circulation and the Circulation subspecialty journals. The studies included in this article represent the Editors’ Picks for each Circulation: Cardiovascular Quality and Outcomes’ issue published in 2011. (Circ...
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ژورنال
عنوان ژورنال: International Journal of Climatology
سال: 2021
ISSN: ['0899-8418', '1097-0088']
DOI: https://doi.org/10.1002/joc.7171