Climatology of the planetary boundary layer over the continental United States and Europe
Although boundary layer processes are important in climate, weather and air quality, boundary layer climatology has received little attention, partly for lack of observational data sets. We analyze boundary layer climatology over Europe and the continental U.S. using a measure of boundary layer heig...
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| Veröffentlicht in: | Journal of Geophysical Research: Atmospheres 2012-09, Vol.117 (D17), p.n/a |
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| creator | Seidel, Dian J. Zhang, Yehui Beljaars, Anton Golaz, Jean-Christophe Jacobson, Andrew R. Medeiros, Brian |
| description | Although boundary layer processes are important in climate, weather and air quality, boundary layer climatology has received little attention, partly for lack of observational data sets. We analyze boundary layer climatology over Europe and the continental U.S. using a measure of boundary layer height based on the bulk Richardson number. Seasonal and diurnal variations during 1981–2005 are estimated from radiosonde observations, a reanalysis that assimilates observations, and two contemporary climate models that do not. Data limitations in vertical profiles introduce height uncertainties that can exceed 50% for shallow boundary layers ( |
| doi_str_mv | 10.1029/2012JD018143 |
| format | Article |
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Key Points
New 25 year PBL climatology shows diurnal, seasonal, and spatial structures
Two climate models and one reanalysis show PBL climates similar to radiosondes
Shallow nighttime and winter PBL heights are more uncertain, too high in models</description><identifier>ISSN: 0148-0227</identifier><identifier>ISSN: 2169-897X</identifier><identifier>EISSN: 2156-2202</identifier><identifier>EISSN: 2169-8996</identifier><identifier>DOI: 10.1029/2012JD018143</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Air quality ; Atmospheric sciences ; Boundary layers ; Climate change ; Climate models ; Climatology ; Diurnal variations ; Earth ; Earth sciences ; Earth, ocean, space ; Europe ; Exact sciences and technology ; Geophysics ; mixing height ; planetary boundary layer ; Seasonal variations ; Summer ; Troposphere ; United States ; Winter</subject><ispartof>Journal of Geophysical Research: Atmospheres, 2012-09, Vol.117 (D17), p.n/a</ispartof><rights>2012. American Geophysical Union. All Rights Reserved.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright American Geophysical Union 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5554-4c1597bf2212f9d14b733f31852695843cd1539a7d9561c8609c1a8823b3e8093</citedby><cites>FETCH-LOGICAL-c5554-4c1597bf2212f9d14b733f31852695843cd1539a7d9561c8609c1a8823b3e8093</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F2012JD018143$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2012JD018143$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,11493,27901,27902,45550,45551,46384,46443,46808,46867</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26419542$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Seidel, Dian J.</creatorcontrib><creatorcontrib>Zhang, Yehui</creatorcontrib><creatorcontrib>Beljaars, Anton</creatorcontrib><creatorcontrib>Golaz, Jean-Christophe</creatorcontrib><creatorcontrib>Jacobson, Andrew R.</creatorcontrib><creatorcontrib>Medeiros, Brian</creatorcontrib><title>Climatology of the planetary boundary layer over the continental United States and Europe</title><title>Journal of Geophysical Research: Atmospheres</title><addtitle>J. Geophys. Res</addtitle><description>Although boundary layer processes are important in climate, weather and air quality, boundary layer climatology has received little attention, partly for lack of observational data sets. We analyze boundary layer climatology over Europe and the continental U.S. using a measure of boundary layer height based on the bulk Richardson number. Seasonal and diurnal variations during 1981–2005 are estimated from radiosonde observations, a reanalysis that assimilates observations, and two contemporary climate models that do not. Data limitations in vertical profiles introduce height uncertainties that can exceed 50% for shallow boundary layers (<1 km) but are generally <20% for deeper boundary layers. Climatological heights are typically <1 km during daytime and <0.5 km at night over both regions. Seasonal patterns for daytime and nighttime differ; daytime heights are larger in summer than winter, but nighttime heights are larger in winter. The four data sets show similar patterns of spatial and seasonal variability but with biases that vary spatially, seasonally, and diurnally. Compared with radiosonde observations, the reanalysis and the climate models produce deeper layers due to difficulty simulating stable conditions. The higher‐time‐resolution reanalysis reveals the diurnal cycle in height, with maxima in the afternoon, and with amplitudes that vary seasonally (larger in summer) and regionally (larger over western U.S. and southern Europe). The lower‐time‐resolution radiosonde data and climate model simulations capture diurnal variations better over Europe than over the U.S., due to differences in local sampling times.
Key Points
New 25 year PBL climatology shows diurnal, seasonal, and spatial structures
Two climate models and one reanalysis show PBL climates similar to radiosondes
Shallow nighttime and winter PBL heights are more uncertain, too high in models</description><subject>Air quality</subject><subject>Atmospheric sciences</subject><subject>Boundary layers</subject><subject>Climate change</subject><subject>Climate models</subject><subject>Climatology</subject><subject>Diurnal variations</subject><subject>Earth</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Europe</subject><subject>Exact sciences and technology</subject><subject>Geophysics</subject><subject>mixing height</subject><subject>planetary boundary layer</subject><subject>Seasonal variations</subject><subject>Summer</subject><subject>Troposphere</subject><subject>United States</subject><subject>Winter</subject><issn>0148-0227</issn><issn>2169-897X</issn><issn>2156-2202</issn><issn>2169-8996</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kEtv1DAUhS1EJUZDd_yASAiJBQFfPxJ7CdMyUI0GRB-IleVxHEhx7antAPn3dTRVhVhwF75n8Z2j64PQM8CvARP5hmAgZycYBDD6CC0I8KYmBJPHaIGBiRoT0j5Bxyld4zKMNwzDAn1bueFG5-DC96kKfZV_2GrvtLdZx6nahdF3s3B6srEKv8ozEyb4PHjrs3bVpR-y7arzrLNNlfZddTrGsLdP0VGvXbLH93uJLt-fXqw-1JtP64-rt5vacM5ZzQxw2e56QoD0sgO2ayntKQhOGskFo6YDTqVuO8kbMKLB0oAWgtAdtQJLukQvD7n7GG5Hm7K6GZKxbv5EGJOCwjDWAJvR5_-g12GMvlxXKCpbWopsC_XqQJkYUoq2V_tYOopTgdRctfq76oK_uA_VyWjXR-3NkB48pGEgOSOFowfu9-Ds9N9Mdbb-clJUkUtUH1xDyvbPg0vHn6ppacvV1-1aXfHtRlxtP6t39A6zuZja</recordid><startdate>20120916</startdate><enddate>20120916</enddate><creator>Seidel, Dian J.</creator><creator>Zhang, Yehui</creator><creator>Beljaars, Anton</creator><creator>Golaz, Jean-Christophe</creator><creator>Jacobson, Andrew R.</creator><creator>Medeiros, Brian</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H8D</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>L7M</scope><scope>M2O</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P5Z</scope><scope>P62</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>7TV</scope></search><sort><creationdate>20120916</creationdate><title>Climatology of the planetary boundary layer over the continental United States and Europe</title><author>Seidel, Dian J. ; Zhang, Yehui ; Beljaars, Anton ; Golaz, Jean-Christophe ; Jacobson, Andrew R. ; Medeiros, Brian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5554-4c1597bf2212f9d14b733f31852695843cd1539a7d9561c8609c1a8823b3e8093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Air quality</topic><topic>Atmospheric sciences</topic><topic>Boundary layers</topic><topic>Climate change</topic><topic>Climate models</topic><topic>Climatology</topic><topic>Diurnal variations</topic><topic>Earth</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Europe</topic><topic>Exact sciences and technology</topic><topic>Geophysics</topic><topic>mixing height</topic><topic>planetary boundary layer</topic><topic>Seasonal variations</topic><topic>Summer</topic><topic>Troposphere</topic><topic>United States</topic><topic>Winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seidel, Dian J.</creatorcontrib><creatorcontrib>Zhang, Yehui</creatorcontrib><creatorcontrib>Beljaars, Anton</creatorcontrib><creatorcontrib>Golaz, Jean-Christophe</creatorcontrib><creatorcontrib>Jacobson, Andrew R.</creatorcontrib><creatorcontrib>Medeiros, Brian</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Research Library</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Pollution Abstracts</collection><jtitle>Journal of Geophysical Research: Atmospheres</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seidel, Dian J.</au><au>Zhang, Yehui</au><au>Beljaars, Anton</au><au>Golaz, Jean-Christophe</au><au>Jacobson, Andrew R.</au><au>Medeiros, Brian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Climatology of the planetary boundary layer over the continental United States and Europe</atitle><jtitle>Journal of Geophysical Research: Atmospheres</jtitle><addtitle>J. Geophys. Res</addtitle><date>2012-09-16</date><risdate>2012</risdate><volume>117</volume><issue>D17</issue><epage>n/a</epage><issn>0148-0227</issn><issn>2169-897X</issn><eissn>2156-2202</eissn><eissn>2169-8996</eissn><abstract>Although boundary layer processes are important in climate, weather and air quality, boundary layer climatology has received little attention, partly for lack of observational data sets. We analyze boundary layer climatology over Europe and the continental U.S. using a measure of boundary layer height based on the bulk Richardson number. Seasonal and diurnal variations during 1981–2005 are estimated from radiosonde observations, a reanalysis that assimilates observations, and two contemporary climate models that do not. Data limitations in vertical profiles introduce height uncertainties that can exceed 50% for shallow boundary layers (<1 km) but are generally <20% for deeper boundary layers. Climatological heights are typically <1 km during daytime and <0.5 km at night over both regions. Seasonal patterns for daytime and nighttime differ; daytime heights are larger in summer than winter, but nighttime heights are larger in winter. The four data sets show similar patterns of spatial and seasonal variability but with biases that vary spatially, seasonally, and diurnally. Compared with radiosonde observations, the reanalysis and the climate models produce deeper layers due to difficulty simulating stable conditions. The higher‐time‐resolution reanalysis reveals the diurnal cycle in height, with maxima in the afternoon, and with amplitudes that vary seasonally (larger in summer) and regionally (larger over western U.S. and southern Europe). The lower‐time‐resolution radiosonde data and climate model simulations capture diurnal variations better over Europe than over the U.S., due to differences in local sampling times.
Key Points
New 25 year PBL climatology shows diurnal, seasonal, and spatial structures
Two climate models and one reanalysis show PBL climates similar to radiosondes
Shallow nighttime and winter PBL heights are more uncertain, too high in models</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2012JD018143</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0148-0227 |
| ispartof | Journal of Geophysical Research: Atmospheres, 2012-09, Vol.117 (D17), p.n/a |
| issn | 0148-0227 2169-897X 2156-2202 2169-8996 |
| language | eng |
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| source | Wiley Free Content; Wiley-Blackwell AGU Digital Library; Wiley Online Library Journals Frontfile Complete; Alma/SFX Local Collection |
| subjects | Air quality Atmospheric sciences Boundary layers Climate change Climate models Climatology Diurnal variations Earth Earth sciences Earth, ocean, space Europe Exact sciences and technology Geophysics mixing height planetary boundary layer Seasonal variations Summer Troposphere United States Winter |
| title | Climatology of the planetary boundary layer over the continental United States and Europe |
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