2024-03-28T13:03:45Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/2131862020-12-10T11:46:15Zcom_10261_37com_10261_4col_10261_290
DIGITAL.CSIC
author
Herrera, S.
author
Cardoso, Rita M.
author
Matos Soares, Pedro
author
Espírito-Santo, Fátima
author
Viterbo, Pedro
author
Gutiérrez, José M.
funder
Ministerio de Economía y Competitividad (España)
funder
European Commission
funder
Fundação para a Ciência e a Tecnologia (Portugal)
funder
Instituto Dom Luiz
2020-06-03T11:06:12Z
2020-06-03T11:06:12Z
2019
Earth System Science Data 11: 1947-1956 (2019)
http://hdl.handle.net/10261/213186
10.5194/essd-11-1947-2019
http://dx.doi.org/10.13039/501100003329http://dx.doi.org/10.13039/501100000780http://dx.doi.org/10.13039/501100001871http://dx.doi.org/10.13039/501100011656
The present work presents a new observational gridded dataset (referred to as Iberia01) for daily precipitation and temperatures produced using a dense network (thousands) of stations over the Iberian Peninsula for the period 1971-2015 at 0.1° regular (and 0.11° CORDEX-compliant rotated) resolutions. We analyze mean and extreme indices and compare the results with the E-OBS v17 dataset (using both the standard and ensemble versions, at 0.25 and 0.1° resolutions, respectively), in order to assess observational uncertainty in this region. We show that Iberia01 produces more realistic precipitation patterns than E-OBS for the mean and extreme indices considered, although both are comparable for temperatures. To assess the differences between these datasets, a new probabilistic intercomparison analysis was performed, using the E-OBS ensemble (v17e) to characterize observational uncertainty and testing whether Iberia01 falls within the observational uncertainty range provided by E-OBS. In general, uncertainty values are large in the whole territory, with the exception of a number of kernels where the uncertainty is small, corresponding to the stations used to build the E-OBS grid. For precipitation, significant differences-at the 10% level-between both datasets were found for fewer than 25% of days over the Iberian Peninsula. For temperature, a very inhomogeneous spatial pattern was obtained, with either a small (in most of the regions) or large fraction of significantly different days, thus indicating sensible regions for observational uncertainty.
openAccess
Iberia01: A new gridded dataset of daily precipitation and temperatures over Iberia
artículo
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URL
https://digital.csic.es/bitstream/10261/213186/1/ib01over.pdf
File
MD5
26ce0a996be1ba089199a99aefd2d75a
2503445
application/pdf
ib01over.pdf