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Supplementary material to 'A rescued dataset of sub-daily meteorological observations for Europe and the southern Mediterranean region, 1877–2012'

Autor: Linden Ashcroft, Joan Ramon Coll, Alba Gilabert, Peter Domonkos, Enric Aguilar, Javier Sigró, Mercè Castella, Per Unden, Ian Harris, Phil Jones, Manola Brunet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1262676fdde0de473ad15f58bad5fb09
https://doi.org/10.5194/essd-2018-39-supplement

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Methodologies to characterize uncertainties in regional reanalyses

Autor: Per Unden, Frank Kaspar, Andrea K. Kaiser-Weiss, Michael Borsche

Publikováno v: Advances in Science and Research, Vol 12, Pp 207-218 (2015)

When using climate data for various applications, users are confronted with the difficulty to assess the uncertainties of the data. For both in-situ and remote sensing data the issues of representativeness, homogeneity, and coverage have to be consid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e8c0c8bbd369633f0ce8c7358b41c33
https://doi.org/10.5194/asr-12-207-2015

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Review of the paper : The ALADIN System and its Canonical Model Configurations AROME CY41T1 and ALARO CY40T1 by Termonia et al

Autor: Per Unden

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18e7944e02cf4efb65b758850ab015d7
https://doi.org/10.5194/gmd-2017-103-rc2

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The impact of cloud-affected IR radiances on forecast accuracy of a limited-area NWP model

Autor: Martin Stengel, Nils Gustafsson, Magnus Lindskog, Per Unden

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 139:2081-2096

The impact of cloud-affected satellite radiances on numerical weather prediction (NWP) accuracy is investigated. The NWP model used is the HIgh Resolution Limited Area Model (HIRLAM). Its four-dime ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::edde4a24ddfdaf268114d170a5a3a517
https://doi.org/10.1002/qj.2102

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An extended observation operator in HIRLAM 4D-VAR for the assimilation of cloud-affected satellite radiances

Autor: Nils Gustafsson, Martin Stengel, Per Unden, Magnus Lindskog, Ralf Bennartz

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 136:1064-1074

An extended observation operator for the direct assimilation of cloud-affected infrared satellite radiances in the High Resolution Limited Area Model (HIRLAM) is examined. The operator includes a s ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d65b13e8f4178566863d5c3a5311223
https://doi.org/10.1002/qj.621

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Assimilation of SEVIRI infrared radiances with HIRLAM 4D-Var

Autor: Ralf Bennartz, Per Dahlgren, Magnus Lindskog, Nils Gustafsson, Per Unden, Martin Stengel

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 135:2100-2109

Four-dimensional variational data assimilation (4D-Var) systems are ideally suited to obtain the best possible initial model state by utilizing information about the dynamical evolution of the. atm ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ab72c3ea32f69693b7ebd049a4e92e4
https://doi.org/10.1002/qj.501

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