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A 1973-2008 archive of climate surfaces for NW Maghreb

AuthorsRuiz Moreno, Alberto ; Sanjuán, María E. ; Barrio, G. del ; Puigdefábregas, Juan
Spatial interpolation
Issue Date2016
CitationRuiz Moreno, Alberto; Sanjuán, María E.; Barrio, G. del; Puigdefábregas, Juan; 2016; A 1973-2008 archive of climate surfaces for NW Maghreb [Dataset]; DIGITAL.CSIC; http://dx.doi.org/10.20350/digitalCSIC/5575
DescriptionClimate archives are time series. They are used to assess temporal trends of a climate-dependent target variable, and to make climate atlases. A high-resolution gridded dataset with 1728 layers of monthly mean maximum, mean and mean minimum temperatures and precipitation for the NW Maghreb (28ºN-37.3ºN, 12ºW-12ºE, 1-km resolution) from 1973 through 2008 is presented. The surfaces were spatially interpolated by ANUSPLIN, a thin-plate smoothing spline technique approved by the World Meteorological Organization (WMO), from georeferenced climate records drawn from the Global Surface Summary of the Day (GSOD) and the Global Historical Climatology Network-Monthly (GHCN-Monthly version 3) products. Absolute errors for surface temperatures are approximately 0.5ºC for mean and mean minimum temperatures, and peak up to 1.76ºC for mean maximum temperatures in summer months. For precipitation, the mean absolute error ranged from 1.2 to 2.5 mm, but very low summer precipitation caused relative errors of up to 40% in July. The archive successfully captures climate variations associated with large to medium geographic gradients. This includes the main aridity gradient which increases in the S and SE, as well as its breaking points, marked by the Atlas mountain range. It also conveys topographic effects linked to kilometric relief mesoforms.
Focus on Morocco, Algeria and Tunisia North of 28ºN
ReferencesRuiz Moreno, Alberto; Sanjuán, María E.; Barrio, G. del; Puigdefábregas, Juan; A 1973–2008 Archive of Climate Surfaces for NW Maghreb. doi:10.3390/data1020008 . http://hdl.handle.net/10261/134261
Appears in Collections:(EEZA) Conjuntos de datos
Files in This Item:
File Description SizeFormat 
TMIN1973_2008.7zMonthly mean minimun temperature raster dataset: ene-1973 to dic-2008, NetCdf format746,75 MBUnknownView/Open
RAIN1973_2008.7zMonthly precipitation raster dataset: ene-1973 to dic-2008, NetCdf format570,07 MBUnknownView/Open
TMAX1973_2008.7zMonthly mean maximun temperature raster dataset: ene-1973 to dic-2008, NetCdf format680,06 MBUnknownView/Open
TMED1973_2008.7zMonthly mean temperature raster dataset: ene-1978 to dic-2008, NetCdf format723,39 MBUnknownView/Open
ReadMe_climate_surfaces_nw_Maghreb.txt2,06 kBTextView/Open
readme_archive.txt2,1 kBTextView/Open