globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85043401291
论文题名:
Definition of a temporal distribution index for high temporal resolution precipitation data over Peninsular Spain and the Balearic Islands: the fractal dimension; and its synoptic implications
作者: Meseguer-Ruiz O.; Osborn T.J.; Sarricolea P.; Jones P.D.; Cantos J.O.; Serrano-Notivoli R.; Martin-Vide J.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2019
卷: 52, 期:2019-01-02
起始页码: 439
结束页码: 456
语种: 英语
英文关键词: Fractal dimension ; Iberian Peninsula ; Jenkinson & Collison ; Precipitation ; Weather types ; Western Mediterranean
英文摘要: Precipitation on the Spanish mainland and in the Balearic archipelago exhibits a high degree of spatial and temporal variability, regardless of the temporal resolution of the data considered. The fractal dimension indicates the property of self-similarity, and in the case of this study, wherein it is applied to the temporal behaviour of rainfall at a fine (10-min) resolution from a total of 48 observatories, it provides insights into its more or less convective nature. The methodology of Jenkinson & Collison which automatically classifies synoptic situations at the surface, as well as an adaptation of this methodology at 500 hPa, was applied in order to gain insights into the synoptic implications of extreme values of the fractal dimension. The highest fractal dimension values in the study area were observed in places with precipitation that has a more random behaviour over time with generally high totals. Four different regions in which the atmospheric mechanisms giving rise to precipitation at the surface differ from the corresponding above-ground mechanisms have been identified in the study area based on the fractal dimension. In the north of the Iberian Peninsula, high fractal dimension values are linked to a lower frequency of anticyclonic situations, whereas the opposite occurs in the central region. In the Mediterranean, higher fractal dimension values are associated with a higher frequency of the anticyclonic type and a lower frequency of the advective type from the east. In the south, lower fractal dimension values indicate higher frequency with respect to the anticyclonic type from the east and lower frequency with respect to the cyclonic type. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122465
Appears in Collections:气候变化事实与影响

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作者单位: Departamento de Ciencias Históricas y Geográficas, Universidad de Tarapacá, 2222, 18 de septiembre, Arica, Chile; Climatic Research Unit, School of Environmental Sciences, University of East Anglia, Norwich, United Kingdom; Department of Geography, University of Chile, Santiago, Chile; Center of Excellence for Climate Change Research, Department of Meteorology, King Abdulaziz University, Jeddah, 21589, Saudi Arabia; Interuniversitary Institute of Geography, University of Alicante, Alicante, Spain; Barcelona Supercomputing Center, Barcelona, Spain; Climatology Group, University of Barcelona, Barcelona, Spain

Recommended Citation:
Meseguer-Ruiz O.,Osborn T.J.,Sarricolea P.,et al. Definition of a temporal distribution index for high temporal resolution precipitation data over Peninsular Spain and the Balearic Islands: the fractal dimension; and its synoptic implications[J]. Climate Dynamics,2019-01-01,52(2019-01-02)
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