Predicting N2O emissions from agricultural land through related soil parameters
Summary An empirical model of nitrous oxide emission from agricultural soils has been developed. It is based on the relationship between N2O and three soil parameters – soil mineral N (ammonium plus nitrate) content in the topsoil, soil water‐filled pore space and soil temperature – determined in a...
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| Veröffentlicht in: | Global change biology 2000-04, Vol.6 (4), p.417-426 |
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| creator | Conen, F. Dobbie, K. E. Smith, K. A. |
| description | Summary
An empirical model of nitrous oxide emission from agricultural soils has been developed. It is based on the relationship between N2O and three soil parameters – soil mineral N (ammonium plus nitrate) content in the topsoil, soil water‐filled pore space and soil temperature – determined in a study on a fertilized grassland in 1992 and 1993. The model gave a satisfactory prediction of seasonal fluxes in other seasons when fluxes were much higher, and also from other grassland sites and from cereal and oilseed rape crops, over a wide flux range ( 20 kg N2O‐N ha−1 y−1). However, the model underestimated emissions from potato and broccoli crops; possible reasons for this are discussed. This modelling approach, based as it is on well‐established and widely used soil measurements, has the potential to provide flux estimates from a much wider range of agricultural sites than would be possible by direct measurement of N2O emissions. |
| doi_str_mv | 10.1046/j.1365-2486.2000.00319.x |
| format | Article |
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An empirical model of nitrous oxide emission from agricultural soils has been developed. It is based on the relationship between N2O and three soil parameters – soil mineral N (ammonium plus nitrate) content in the topsoil, soil water‐filled pore space and soil temperature – determined in a study on a fertilized grassland in 1992 and 1993. The model gave a satisfactory prediction of seasonal fluxes in other seasons when fluxes were much higher, and also from other grassland sites and from cereal and oilseed rape crops, over a wide flux range (< 1 to > 20 kg N2O‐N ha−1 y−1). However, the model underestimated emissions from potato and broccoli crops; possible reasons for this are discussed. This modelling approach, based as it is on well‐established and widely used soil measurements, has the potential to provide flux estimates from a much wider range of agricultural sites than would be possible by direct measurement of N2O emissions.</description><identifier>ISSN: 1354-1013</identifier><identifier>EISSN: 1365-2486</identifier><identifier>DOI: 10.1046/j.1365-2486.2000.00319.x</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Science Ltd</publisher><subject>agricultural soil ; modelling ; nitrogen ; nitrous oxide ; soil water ; temperature</subject><ispartof>Global change biology, 2000-04, Vol.6 (4), p.417-426</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3619-d7e1ada0257516da2f2343d3038183dc2877005f375866bf79f9906cb679ad243</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1046%2Fj.1365-2486.2000.00319.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1046%2Fj.1365-2486.2000.00319.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Conen, F.</creatorcontrib><creatorcontrib>Dobbie, K. E.</creatorcontrib><creatorcontrib>Smith, K. A.</creatorcontrib><title>Predicting N2O emissions from agricultural land through related soil parameters</title><title>Global change biology</title><description>Summary
An empirical model of nitrous oxide emission from agricultural soils has been developed. It is based on the relationship between N2O and three soil parameters – soil mineral N (ammonium plus nitrate) content in the topsoil, soil water‐filled pore space and soil temperature – determined in a study on a fertilized grassland in 1992 and 1993. The model gave a satisfactory prediction of seasonal fluxes in other seasons when fluxes were much higher, and also from other grassland sites and from cereal and oilseed rape crops, over a wide flux range (< 1 to > 20 kg N2O‐N ha−1 y−1). However, the model underestimated emissions from potato and broccoli crops; possible reasons for this are discussed. This modelling approach, based as it is on well‐established and widely used soil measurements, has the potential to provide flux estimates from a much wider range of agricultural sites than would be possible by direct measurement of N2O emissions.</description><subject>agricultural soil</subject><subject>modelling</subject><subject>nitrogen</subject><subject>nitrous oxide</subject><subject>soil water</subject><subject>temperature</subject><issn>1354-1013</issn><issn>1365-2486</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNo9kF9PwjAUxRujiYh-hz75ttk_a7slvggomhDwQcPjTVk7KG4M2y3Ct3cTw9M9yT3n5OSHEKYkpiSRD9uYcikilqQyZoSQmBBOs_hwgQbnx2WvRRJRQvk1uglh2xk5I3KAFu_eGpc3brfGc7bAtnIhuHoXcOHrCuu1d3lbNq3XJS71zuBm4-t2vcHelrqxBofalXivva5sY324RVeFLoO9-79D9Pny_DF-jWaL6dv4aRblXNIsMspSbTRhQgkqjWYF4wk3nPCUptzkLFWKEFFwJVIpV4XKiiwjMl9JlWnDEj5E96feva-_Wxsa6Ibntuw22roNQFOhaKqyzvh4Mv640h5h712l_REogR4fbKGnBD0l6PHBHz44wHQ86kQXj05xFxp7OMe1_wKpunWwnE9BjCYTNmdLEPwXjXd0Kw</recordid><startdate>200004</startdate><enddate>200004</enddate><creator>Conen, F.</creator><creator>Dobbie, K. E.</creator><creator>Smith, K. A.</creator><general>Blackwell Science Ltd</general><scope>BSCLL</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>200004</creationdate><title>Predicting N2O emissions from agricultural land through related soil parameters</title><author>Conen, F. ; Dobbie, K. E. ; Smith, K. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3619-d7e1ada0257516da2f2343d3038183dc2877005f375866bf79f9906cb679ad243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>agricultural soil</topic><topic>modelling</topic><topic>nitrogen</topic><topic>nitrous oxide</topic><topic>soil water</topic><topic>temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Conen, F.</creatorcontrib><creatorcontrib>Dobbie, K. E.</creatorcontrib><creatorcontrib>Smith, K. A.</creatorcontrib><collection>Istex</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Global change biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Conen, F.</au><au>Dobbie, K. E.</au><au>Smith, K. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Predicting N2O emissions from agricultural land through related soil parameters</atitle><jtitle>Global change biology</jtitle><date>2000-04</date><risdate>2000</risdate><volume>6</volume><issue>4</issue><spage>417</spage><epage>426</epage><pages>417-426</pages><issn>1354-1013</issn><eissn>1365-2486</eissn><abstract>Summary
An empirical model of nitrous oxide emission from agricultural soils has been developed. It is based on the relationship between N2O and three soil parameters – soil mineral N (ammonium plus nitrate) content in the topsoil, soil water‐filled pore space and soil temperature – determined in a study on a fertilized grassland in 1992 and 1993. The model gave a satisfactory prediction of seasonal fluxes in other seasons when fluxes were much higher, and also from other grassland sites and from cereal and oilseed rape crops, over a wide flux range (< 1 to > 20 kg N2O‐N ha−1 y−1). However, the model underestimated emissions from potato and broccoli crops; possible reasons for this are discussed. This modelling approach, based as it is on well‐established and widely used soil measurements, has the potential to provide flux estimates from a much wider range of agricultural sites than would be possible by direct measurement of N2O emissions.</abstract><cop>Oxford, UK</cop><pub>Blackwell Science Ltd</pub><doi>10.1046/j.1365-2486.2000.00319.x</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Global change biology, 2000-04, Vol.6 (4), p.417-426 |
| issn | 1354-1013 1365-2486 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_18571879 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | agricultural soil modelling nitrogen nitrous oxide soil water temperature |
| title | Predicting N2O emissions from agricultural land through related soil parameters |
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