NDLI: Variability of extreme events in the Colombian Pacific and Caribbean catchment basins

Content Provider	Springer Nature Link
Author	Hoyos, Isabel Baquero Bernal, Astrid Jacob, Daniela Rodríguez, Boris A.
Copyright Year	2012
Abstract	This paper analyses the behavior of extreme events of surface precipitation and temperature inside the Pacific and Caribbean Catchment Basins in Colombia using several datasets such as observations, reconstructed data, NCEP-NCAR and ERA-40 reanalyses and data from the regional model REMO. We use an extreme value method that selects the time series excesses over a nonstationary threshold and adjusts them to a generalized Pareto distribution. The goodness of fit is evaluated through a test that includes the Cramer–von Mises, Kolmogorov–Smirnov and Anderson–Darling statistics and the p values generated by parametric bootstrap resampling. The test not only evaluates the goodness of fit but also the threshold choice. The parameters are presented in maps that allow recognition of the features of the extreme behaviour inside the catchment basins, and differences and similarities between them. Maps of return periods for the maximum extreme events are also presented. A strong influence of the El Niño–Southern oscillation on the extreme events of both temperature and precipitation is found in the two catchment basins.
Starting Page	1985
Ending Page	2003
Page Count	19
File Format	PDF
ISSN	09307575
Journal	Climate Dynamics
Volume Number	40
Issue Number	7-8
e-ISSN	14320894
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-09-06
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Colombian Caribbean catchment basin Colombian Pacific catchment basin Extremes of temperature Extremes of precipitation Atmospheric hindcast Regional model validation Geophysics/Geodesy Climatology Oceanography
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science

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