Analysis of wind speed observations over the North Sea
Wind speed observations of three offshore platforms over the period 1985–1992 have been analysed. These platforms located in the southern North Sea off the Dutch coast, are: K13 Platform (K13), Euro Platform (EPF) and Measuring Post Noordwijk (MPN). First, a statistical analysis of the data was perf...
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Veröffentlicht in: | Journal of wind engineering and industrial aerodynamics 1996, Vol.61 (1), p.51-69 |
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creator | Coelingh, J.P. van Wijk, A.J.M. Holtslag, A.A.M. |
description | Wind speed observations of three offshore platforms over the period 1985–1992 have been analysed. These platforms located in the southern North Sea off the Dutch coast, are: K13 Platform (K13), Euro Platform (EPF) and Measuring Post Noordwijk (MPN). First, a statistical analysis of the data was performed, including calculation of mean wind speeds, availability of data, annual and diurnal variations, the Weibull parameters and the distribution by wind direction. Then, in order to compare the wind speeds of the platforms measured at different heights, Monin-Obukhov similarity theory was applied. Therefore, air and seawater temperature data were used from observations on the platforms (if available) or from Voluntary Observing Ships. The seawater temperatures were fitted to a sine function. Although, on a yearly average, (very) unstable conditions prevail, the calculated wind profiles showed hardly any difference between the logarithmic and the diabatic wind profile. On a seasonal basis, however, the logarithmic and diabatic wind profile differ significantly, for the spring season in particular. Wind speeds increased with increasing distance from the coast. |
doi_str_mv | 10.1016/0167-6105(96)00043-8 |
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These platforms located in the southern North Sea off the Dutch coast, are: K13 Platform (K13), Euro Platform (EPF) and Measuring Post Noordwijk (MPN). First, a statistical analysis of the data was performed, including calculation of mean wind speeds, availability of data, annual and diurnal variations, the Weibull parameters and the distribution by wind direction. Then, in order to compare the wind speeds of the platforms measured at different heights, Monin-Obukhov similarity theory was applied. Therefore, air and seawater temperature data were used from observations on the platforms (if available) or from Voluntary Observing Ships. The seawater temperatures were fitted to a sine function. Although, on a yearly average, (very) unstable conditions prevail, the calculated wind profiles showed hardly any difference between the logarithmic and the diabatic wind profile. On a seasonal basis, however, the logarithmic and diabatic wind profile differ significantly, for the spring season in particular. Wind speeds increased with increasing distance from the coast.</description><identifier>ISSN: 0167-6105</identifier><identifier>EISSN: 1872-8197</identifier><identifier>DOI: 10.1016/0167-6105(96)00043-8</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Aerodynamics ; Calculations ; Coastal environments ; Data reduction ; Distance ; Height ; Marine ; Mathematical analysis ; Mechanical variables measurement ; Oceanography ; Offshore drilling rigs ; Offshore engineering ; Production platforms ; Seawater ; Ships ; Similarity ; Speed ; Statistical analysis ; Statistical methods ; Temperature ; Variations ; Weibull distribution ; Wind engineering ; Wind speed</subject><ispartof>Journal of wind engineering and industrial aerodynamics, 1996, Vol.61 (1), p.51-69</ispartof><rights>1996 Elsevier Science B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-d9dc64b43848cb168fac15eb570c409d650ca4fd650775a6cf38a90d93bd84203</citedby><cites>FETCH-LOGICAL-c398t-d9dc64b43848cb168fac15eb570c409d650ca4fd650775a6cf38a90d93bd84203</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0167-6105(96)00043-8$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,4022,27922,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Coelingh, J.P.</creatorcontrib><creatorcontrib>van Wijk, A.J.M.</creatorcontrib><creatorcontrib>Holtslag, A.A.M.</creatorcontrib><title>Analysis of wind speed observations over the North Sea</title><title>Journal of wind engineering and industrial aerodynamics</title><description>Wind speed observations of three offshore platforms over the period 1985–1992 have been analysed. These platforms located in the southern North Sea off the Dutch coast, are: K13 Platform (K13), Euro Platform (EPF) and Measuring Post Noordwijk (MPN). First, a statistical analysis of the data was performed, including calculation of mean wind speeds, availability of data, annual and diurnal variations, the Weibull parameters and the distribution by wind direction. Then, in order to compare the wind speeds of the platforms measured at different heights, Monin-Obukhov similarity theory was applied. Therefore, air and seawater temperature data were used from observations on the platforms (if available) or from Voluntary Observing Ships. The seawater temperatures were fitted to a sine function. Although, on a yearly average, (very) unstable conditions prevail, the calculated wind profiles showed hardly any difference between the logarithmic and the diabatic wind profile. On a seasonal basis, however, the logarithmic and diabatic wind profile differ significantly, for the spring season in particular. Wind speeds increased with increasing distance from the coast.</description><subject>Aerodynamics</subject><subject>Calculations</subject><subject>Coastal environments</subject><subject>Data reduction</subject><subject>Distance</subject><subject>Height</subject><subject>Marine</subject><subject>Mathematical analysis</subject><subject>Mechanical variables measurement</subject><subject>Oceanography</subject><subject>Offshore drilling rigs</subject><subject>Offshore engineering</subject><subject>Production platforms</subject><subject>Seawater</subject><subject>Ships</subject><subject>Similarity</subject><subject>Speed</subject><subject>Statistical analysis</subject><subject>Statistical methods</subject><subject>Temperature</subject><subject>Variations</subject><subject>Weibull distribution</subject><subject>Wind engineering</subject><subject>Wind speed</subject><issn>0167-6105</issn><issn>1872-8197</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKAzEUhoMoWKtv4GJWXhajyeS-EUrxBkUX6jpkkjM00s7UZFrp25uh4rIuDj-H8_1n8SF0TvANwUTc5pGlIJhfaXGNMWa0VAdoRJSsSkW0PESjP-QYnaT0mSHJJB0hMWntYptCKrqm-A6tL9IKwBddnSBubB-6Np82EIt-DsVLF_t58Qb2FB01dpHg7DfH6OPh_n36VM5eH5-nk1npqFZ96bV3gtWMKqZcTYRqrCMcai6xY1h7wbGzrBlSSm6Fa6iyGntNa69YhekYXe7-rmL3tYbUm2VIDhYL20K3TkYyrgWTmGTyYi9ZiUpwWcl_QcKF0JSwDLId6GKXUoTGrGJY2rg1BJvBuxmkmkGq0XkZvBuVa3e7GmQvmwDRJBegdeBDBNcb34X9D34Atb-H2A</recordid><startdate>1996</startdate><enddate>1996</enddate><creator>Coelingh, J.P.</creator><creator>van Wijk, A.J.M.</creator><creator>Holtslag, A.A.M.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7TC</scope></search><sort><creationdate>1996</creationdate><title>Analysis of wind speed observations over the North Sea</title><author>Coelingh, J.P. ; van Wijk, A.J.M. ; Holtslag, A.A.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-d9dc64b43848cb168fac15eb570c409d650ca4fd650775a6cf38a90d93bd84203</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Aerodynamics</topic><topic>Calculations</topic><topic>Coastal environments</topic><topic>Data reduction</topic><topic>Distance</topic><topic>Height</topic><topic>Marine</topic><topic>Mathematical analysis</topic><topic>Mechanical variables measurement</topic><topic>Oceanography</topic><topic>Offshore drilling rigs</topic><topic>Offshore engineering</topic><topic>Production platforms</topic><topic>Seawater</topic><topic>Ships</topic><topic>Similarity</topic><topic>Speed</topic><topic>Statistical analysis</topic><topic>Statistical methods</topic><topic>Temperature</topic><topic>Variations</topic><topic>Weibull distribution</topic><topic>Wind engineering</topic><topic>Wind speed</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Coelingh, J.P.</creatorcontrib><creatorcontrib>van Wijk, A.J.M.</creatorcontrib><creatorcontrib>Holtslag, A.A.M.</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Mechanical Engineering Abstracts</collection><jtitle>Journal of wind engineering and industrial aerodynamics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Coelingh, J.P.</au><au>van Wijk, A.J.M.</au><au>Holtslag, A.A.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of wind speed observations over the North Sea</atitle><jtitle>Journal of wind engineering and industrial aerodynamics</jtitle><date>1996</date><risdate>1996</risdate><volume>61</volume><issue>1</issue><spage>51</spage><epage>69</epage><pages>51-69</pages><issn>0167-6105</issn><eissn>1872-8197</eissn><abstract>Wind speed observations of three offshore platforms over the period 1985–1992 have been analysed. These platforms located in the southern North Sea off the Dutch coast, are: K13 Platform (K13), Euro Platform (EPF) and Measuring Post Noordwijk (MPN). First, a statistical analysis of the data was performed, including calculation of mean wind speeds, availability of data, annual and diurnal variations, the Weibull parameters and the distribution by wind direction. Then, in order to compare the wind speeds of the platforms measured at different heights, Monin-Obukhov similarity theory was applied. Therefore, air and seawater temperature data were used from observations on the platforms (if available) or from Voluntary Observing Ships. The seawater temperatures were fitted to a sine function. Although, on a yearly average, (very) unstable conditions prevail, the calculated wind profiles showed hardly any difference between the logarithmic and the diabatic wind profile. On a seasonal basis, however, the logarithmic and diabatic wind profile differ significantly, for the spring season in particular. Wind speeds increased with increasing distance from the coast.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/0167-6105(96)00043-8</doi><tpages>19</tpages></addata></record> |
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subjects | Aerodynamics Calculations Coastal environments Data reduction Distance Height Marine Mathematical analysis Mechanical variables measurement Oceanography Offshore drilling rigs Offshore engineering Production platforms Seawater Ships Similarity Speed Statistical analysis Statistical methods Temperature Variations Weibull distribution Wind engineering Wind speed |
title | Analysis of wind speed observations over the North Sea |
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