Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products

This article presents a climatology of total cloud cover (TCC) in the area of the three inland Eurasian seas (Black, Caspian, and Aral Sea). Analyses are performed on the basis of 20 years of data (1991<br>2010), collected from almost 200 ground stations. Average TCC is 49%, with broad spatial...

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Autores: Calbó Angrill, Josep, Badosa i Franch, Jordi, González Gutiérrez, Josep Abel, Dmitrieva, Lidya, Khan, Valentina M., Enríquez Alonso, Aarón, Sánchez Lorenzo, Arturo
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2016
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/11617
Acceso en línea:http://hdl.handle.net/10256/11617
Access Level:acceso abierto
Palabra clave:Climatologia
Climatology
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network_name_str España
repository_id_str
dc.title.none.fl_str_mv Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
title Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
spellingShingle Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
Calbó Angrill, Josep
Climatologia
Climatology
title_short Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
title_full Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
title_fullStr Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
title_full_unstemmed Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
title_sort Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis products
dc.creator.none.fl_str_mv Calbó Angrill, Josep
Badosa i Franch, Jordi
González Gutiérrez, Josep Abel
Dmitrieva, Lidya
Khan, Valentina M.
Enríquez Alonso, Aarón
Sánchez Lorenzo, Arturo
author Calbó Angrill, Josep
author_facet Calbó Angrill, Josep
Badosa i Franch, Jordi
González Gutiérrez, Josep Abel
Dmitrieva, Lidya
Khan, Valentina M.
Enríquez Alonso, Aarón
Sánchez Lorenzo, Arturo
author_role author
author2 Badosa i Franch, Jordi
González Gutiérrez, Josep Abel
Dmitrieva, Lidya
Khan, Valentina M.
Enríquez Alonso, Aarón
Sánchez Lorenzo, Arturo
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (Espanya)
dc.subject.none.fl_str_mv Climatologia
Climatology
topic Climatologia
Climatology
description This article presents a climatology of total cloud cover (TCC) in the area of the three inland Eurasian seas (Black, Caspian, and Aral Sea). Analyses are performed on the basis of 20 years of data (1991<br>2010), collected from almost 200 ground stations. Average TCC is 49%, with broad spatial and seasonal variability: minimum TCC values are found in summer and to the southeast, whereas maximum values correspond to winter and to the northwest. For the whole area, linear trend analyses show that TCC did not vary during the study period. We only detected a statistically significant positive trend (+1.2% decade−1) in autumn. We obtained different results for the regions delimited by means of a principal component analysis: a clear decrease, both for the annual, spring, and summer series, was detected for the south of Black Sea, while increasing TCC was found for the annual, autumn, and winter series in the north Caucasus and the west and north of Black Sea. We also analysed the TCC data from global gridded products, including satellite projects [International Satellite Cloud Climatology Project (ISCCP), Pathfinder Atmospheres Extended (PATMOS-x), cLoud, Albedo & Radiation (CLARA)], reanalyses [ERA-interim, National Centers for Environmental Prediction/Department of Energy (NCEP/DOE), Modern-Era Retrospective Analysis for Research and Applications (MERRA)], and surface observations [Climatic Research Unit (CRU)]. Although all these products capture the seasonal evolution over the study area, they differ substantially both among them and in relation to the ground observations: reanalyses produce much lower values of TCC, while ISCCP and CLARA provide a summer minimum that is too high. Trend analyses applied to these data generally showed a decrease in TCC; only CRU and NCEP/DOE tally with the ground data as regards the absence of overall trends. These results are discussed in relation to previous studies presenting trends of other variables such as sunshine duration, diurnal temperature range, or precipitation; we also discuss the connections with changes in synoptic patterns and environmental changes, in particular in the Aral Sea region
publishDate 2016
dc.date.none.fl_str_mv 2016
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10256/11617
http://hdl.handle.net/10256/11617
url http://hdl.handle.net/10256/11617
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1002/joc.4435
info:eu-repo/semantics/altIdentifier/issn/0899-8418
info:eu-repo/semantics/altIdentifier/eissn/1097-0088
info:eu-repo/grantAgreement/MICINN//CGL2010-18546
info:eu-repo/grantAgreement/EC/FP7/247512
dc.rights.none.fl_str_mv Tots els drets reservats
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Tots els drets reservats
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv © International Journal of Climatology, 2016, vol. 36, núm. 3, p. 1428-1443
Articles publicats (D-F)
Calbó Angrill, Josep Badosa i Franch, Jordi González Gutiérrez, Josep Abel Dmitrieva, Lidya Khan, Valentina M. Enríquez Alonso, Aaron Sanchez Lorenzo, Arturo 2015 Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991<br>2010): a comparison of surface observations with satellite and reanalysis products International Journal of Climatology
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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spelling Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991-2010): a comparison of surface observations with satellite and reanalysis productsCalbó Angrill, JosepBadosa i Franch, JordiGonzález Gutiérrez, Josep AbelDmitrieva, LidyaKhan, Valentina M.Enríquez Alonso, AarónSánchez Lorenzo, ArturoClimatologiaClimatologyThis article presents a climatology of total cloud cover (TCC) in the area of the three inland Eurasian seas (Black, Caspian, and Aral Sea). Analyses are performed on the basis of 20 years of data (1991<br>2010), collected from almost 200 ground stations. Average TCC is 49%, with broad spatial and seasonal variability: minimum TCC values are found in summer and to the southeast, whereas maximum values correspond to winter and to the northwest. For the whole area, linear trend analyses show that TCC did not vary during the study period. We only detected a statistically significant positive trend (+1.2% decade−1) in autumn. We obtained different results for the regions delimited by means of a principal component analysis: a clear decrease, both for the annual, spring, and summer series, was detected for the south of Black Sea, while increasing TCC was found for the annual, autumn, and winter series in the north Caucasus and the west and north of Black Sea. We also analysed the TCC data from global gridded products, including satellite projects [International Satellite Cloud Climatology Project (ISCCP), Pathfinder Atmospheres Extended (PATMOS-x), cLoud, Albedo & Radiation (CLARA)], reanalyses [ERA-interim, National Centers for Environmental Prediction/Department of Energy (NCEP/DOE), Modern-Era Retrospective Analysis for Research and Applications (MERRA)], and surface observations [Climatic Research Unit (CRU)]. Although all these products capture the seasonal evolution over the study area, they differ substantially both among them and in relation to the ground observations: reanalyses produce much lower values of TCC, while ISCCP and CLARA provide a summer minimum that is too high. Trend analyses applied to these data generally showed a decrease in TCC; only CRU and NCEP/DOE tally with the ground data as regards the absence of overall trends. These results are discussed in relation to previous studies presenting trends of other variables such as sunshine duration, diurnal temperature range, or precipitation; we also discuss the connections with changes in synoptic patterns and environmental changes, in particular in the Aral Sea regionThis research was developed under the auspices of, and with funding from, the project ‘CLIMSEAS: Climate Change and Inland Seas: Phenomena, Feedbacks, and Uncertainties. The Physical Science Basis’, of the Seventh Framework Programme, European Union People-Marie Curie Actions, International Research Staff Exchange Scheme (FP7-PEOPLE-2009-IRSES N. 247512). Several authors are involved within the project NUCLIERSOL (CGL2010-18546), funded by the Spanish Ministry of Economy and Competitiveness. Aarón Enriquez-Alonso was given a grant from the FPI program (BES-2011-049095) of the same ministry. Arturo Sanchez-Lorenzo was supported by the ‘Secretaria per a Universitats i Recerca del Departament d'Economia i Coneixement, de la Generalitat de Catalunya i del programa Cofund de les Accions Marie Curie del 7è Programa marc d'R+D de la Unió Europea’ (2011 BP-B 00078) and the postdoctoral fellowship JCI-2012-12508. Partial support was provided to the Hydrometeorological Center of Russia by Russian Foundation for Basic Research (№13-05-00562). The ISCCP-D2 data were obtained from the International Satellite Cloud Climatology Project web site (http://isccp.giss.nasa.gov), maintained by the NASA Goddard Institute for Space Studies, New York. Data from EUMETSAT's Satellite Application Facility on Climate Monitoring (CM SAF) were used. PATMOS-x data are available via ftp from the University of Wisconsin, Space Science and Engineering Center (SSEC), and the Cooperative Institute for Meteorological Satellite Studies (CIMSS). ERA-Interim data are supported by the European Center for Medium-range Weather Forecast (ECMWF). NCEP Reanalysis data are provided by the National Oceanic and Atmospheric Administration (NOAA), Oceanic and Atmospheric Research (OAR). Earth System Research Laboratory (ESRL), Physical Sciences Division (PSD) (http://www.esrl.noaa.gov/psd/). MERRA files were obtained from the NASA Goddard Earth Sciences Data and Information Services Center. CRU TS3.20 Time-Series (TS) of High Resolution Gridded Data were provided by the University of East Anglia Climatic Research Unit (CRU)WileyMinisterio de Ciencia e Innovación (Espanya)2016info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttp://hdl.handle.net/10256/11617http://hdl.handle.net/10256/11617© International Journal of Climatology, 2016, vol. 36, núm. 3, p. 1428-1443Articles publicats (D-F)Calbó Angrill, Josep Badosa i Franch, Jordi González Gutiérrez, Josep Abel Dmitrieva, Lidya Khan, Valentina M. Enríquez Alonso, Aaron Sanchez Lorenzo, Arturo 2015 Climatology and changes in cloud cover in the area of the Black, Caspian, and Aral seas (1991<br>2010): a comparison of surface observations with satellite and reanalysis products International Journal of Climatologyreponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/semantics/altIdentifier/doi/10.1002/joc.4435info:eu-repo/semantics/altIdentifier/issn/0899-8418info:eu-repo/semantics/altIdentifier/eissn/1097-0088info:eu-repo/grantAgreement/MICINN//CGL2010-18546info:eu-repo/grantAgreement/EC/FP7/247512Tots els drets reservatsinfo:eu-repo/semantics/openAccessoai:recercat.cat:10256/116172026-05-29T05:05:01Z
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