Regional heat flux over the NOPEX area estimated from the evolution of the mixed-layer
The atmospheric mixed layer grows in response to regional turbulent fluxes, including the aggregation of small-scale processes. In this study, a method to determine the regional integrated sensible heat flux from information on the evolution of the mixed layer over the Northern hemisphere climate-Pr...
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Veröffentlicht in: | Agricultural and forest meteorology 1999-12, Vol.98, p.159-167 |
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creator | Gryning, S.E Batchvarova, E |
description | The atmospheric mixed layer grows in response to regional turbulent fluxes, including the aggregation of small-scale processes. In this study, a method to determine the regional integrated sensible heat flux from information on the evolution of the mixed layer over the Northern hemisphere climate-Processes land-surface Experiment (NOPEX) area is derived, which is applicable when the mixed-layer height is well above the layer. The data required can be derived from wind speed and temperature profiles obtained by radiosoundings. As illustration, the method is used to estimate the regional heat flux over the NOPEX area for 3 d in 1994. Results show that the heat fluxes at the two agricultural sites are comparable, both showing the characteristic daily cycle of a maximum around noon. The heat flux at the forest sites reaches two to three times higher values than at the agricultural sites. |
doi_str_mv | 10.1016/S0168-1923(99)00095-7 |
format | Article |
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In this study, a method to determine the regional integrated sensible heat flux from information on the evolution of the mixed layer over the Northern hemisphere climate-Processes land-surface Experiment (NOPEX) area is derived, which is applicable when the mixed-layer height is well above the layer. The data required can be derived from wind speed and temperature profiles obtained by radiosoundings. As illustration, the method is used to estimate the regional heat flux over the NOPEX area for 3 d in 1994. Results show that the heat fluxes at the two agricultural sites are comparable, both showing the characteristic daily cycle of a maximum around noon. The heat flux at the forest sites reaches two to three times higher values than at the agricultural sites.</description><identifier>ISSN: 0168-1923</identifier><identifier>EISSN: 1873-2240</identifier><identifier>DOI: 10.1016/S0168-1923(99)00095-7</identifier><language>eng</language><subject>agricultural land ; atmosphere ; boreal forests ; estimation ; experiment (nopex) ; heat flow ; land use ; landscapes ; mathematical models ; measurement ; meteorological parameters ; northern hemisphere climate processes land-surface</subject><ispartof>Agricultural and forest meteorology, 1999-12, Vol.98, p.159-167</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-3570ff7b666c4764b42c091c302cf1eb3ce6ff6a1d9798b06020dc7ce34dd54d3</citedby><cites>FETCH-LOGICAL-c337t-3570ff7b666c4764b42c091c302cf1eb3ce6ff6a1d9798b06020dc7ce34dd54d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Gryning, S.E</creatorcontrib><creatorcontrib>Batchvarova, E</creatorcontrib><title>Regional heat flux over the NOPEX area estimated from the evolution of the mixed-layer</title><title>Agricultural and forest meteorology</title><description>The atmospheric mixed layer grows in response to regional turbulent fluxes, including the aggregation of small-scale processes. In this study, a method to determine the regional integrated sensible heat flux from information on the evolution of the mixed layer over the Northern hemisphere climate-Processes land-surface Experiment (NOPEX) area is derived, which is applicable when the mixed-layer height is well above the layer. The data required can be derived from wind speed and temperature profiles obtained by radiosoundings. As illustration, the method is used to estimate the regional heat flux over the NOPEX area for 3 d in 1994. Results show that the heat fluxes at the two agricultural sites are comparable, both showing the characteristic daily cycle of a maximum around noon. The heat flux at the forest sites reaches two to three times higher values than at the agricultural sites.</description><subject>agricultural land</subject><subject>atmosphere</subject><subject>boreal forests</subject><subject>estimation</subject><subject>experiment (nopex)</subject><subject>heat flow</subject><subject>land use</subject><subject>landscapes</subject><subject>mathematical models</subject><subject>measurement</subject><subject>meteorological parameters</subject><subject>northern hemisphere climate processes land-surface</subject><issn>0168-1923</issn><issn>1873-2240</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqFkFtLAzEQhYMoWC8_QcyT6MPq5LLJ5lHEG4gVq-JbSLOTurI1NdlK--9dW_HVlxmYOWeY8xFywOCUAVNno75UBTNcHBtzAgCmLPQGGbBKi4JzCZtk8CfZJjs5vwMwrrUZkJdHnDTxw7X0DV1HQztf0PiFiXZvSO-HD5ev1CV0FHPXTF2HNQ0pTldb_IrtvOvNNIbVYNossC5at8S0R7aCazPu__Zd8nx1-XRxU9wNr28vzu8KL4TuClFqCEGPlVJeaiXHknswzAvgPjAcC48qBOVYbbSpxqCAQ-21RyHrupS12CVH67uzFD_n_ZN22mSPbes-MM6zZRUYkKr8XyhLXgE3vbBcC32KOScMdpb65GlpGdgf3HaF2_6wtMbYFW6re9_h2hdctG6SmmyfRxxYH8XIUjMmvgGIpXvV</recordid><startdate>19991231</startdate><enddate>19991231</enddate><creator>Gryning, S.E</creator><creator>Batchvarova, E</creator><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>19991231</creationdate><title>Regional heat flux over the NOPEX area estimated from the evolution of the mixed-layer</title><author>Gryning, S.E ; Batchvarova, E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-3570ff7b666c4764b42c091c302cf1eb3ce6ff6a1d9798b06020dc7ce34dd54d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>agricultural land</topic><topic>atmosphere</topic><topic>boreal forests</topic><topic>estimation</topic><topic>experiment (nopex)</topic><topic>heat flow</topic><topic>land use</topic><topic>landscapes</topic><topic>mathematical models</topic><topic>measurement</topic><topic>meteorological parameters</topic><topic>northern hemisphere climate processes land-surface</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gryning, S.E</creatorcontrib><creatorcontrib>Batchvarova, E</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Agricultural and forest meteorology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gryning, S.E</au><au>Batchvarova, E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Regional heat flux over the NOPEX area estimated from the evolution of the mixed-layer</atitle><jtitle>Agricultural and forest meteorology</jtitle><date>1999-12-31</date><risdate>1999</risdate><volume>98</volume><spage>159</spage><epage>167</epage><pages>159-167</pages><issn>0168-1923</issn><eissn>1873-2240</eissn><abstract>The atmospheric mixed layer grows in response to regional turbulent fluxes, including the aggregation of small-scale processes. In this study, a method to determine the regional integrated sensible heat flux from information on the evolution of the mixed layer over the Northern hemisphere climate-Processes land-surface Experiment (NOPEX) area is derived, which is applicable when the mixed-layer height is well above the layer. The data required can be derived from wind speed and temperature profiles obtained by radiosoundings. As illustration, the method is used to estimate the regional heat flux over the NOPEX area for 3 d in 1994. Results show that the heat fluxes at the two agricultural sites are comparable, both showing the characteristic daily cycle of a maximum around noon. The heat flux at the forest sites reaches two to three times higher values than at the agricultural sites.</abstract><doi>10.1016/S0168-1923(99)00095-7</doi><tpages>9</tpages></addata></record> |
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source | Elsevier ScienceDirect Journals Complete |
subjects | agricultural land atmosphere boreal forests estimation experiment (nopex) heat flow land use landscapes mathematical models measurement meteorological parameters northern hemisphere climate processes land-surface |
title | Regional heat flux over the NOPEX area estimated from the evolution of the mixed-layer |
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