Release of mercury from Rocky Mountain forest fires
Concentrations of mercury (Hg) in soil profiles and vegetation were examined in unburned areas and in areas recently burned by wildfires of low, medium, and high fire severities in western Wyoming. Paired unburned and burned sampling sites with similar tree species composition, forest stand age, cli...
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| Veröffentlicht in: | Global biogeochemical cycles 2007-03, Vol.21 (1), p.n/a |
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| creator | Biswas, A Blum, J.D Klaue, B Keeler, G.J |
| description | Concentrations of mercury (Hg) in soil profiles and vegetation were examined in unburned areas and in areas recently burned by wildfires of low, medium, and high fire severities in western Wyoming. Paired unburned and burned sampling sites with similar tree species composition, forest stand age, climate, and geological substrate were studied. Results indicate that Hg release from forest fires is dependent on the tree species composition of the forest, which affects prefire Hg accumulation, as well as the forest fire severity. On the basis of an average of 2.7 × 106 ha of forest and shrubland burned annually in the United States we estimate that wildfires and prescribed burns in the United States release 19 to 64 × 106g of Hg annually. This represents between 13 and 42% of the estimated United States anthropogenic Hg flux of 150 × 106g. |
| doi_str_mv | 10.1029/2006GB002696 |
| format | Article |
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Paired unburned and burned sampling sites with similar tree species composition, forest stand age, climate, and geological substrate were studied. Results indicate that Hg release from forest fires is dependent on the tree species composition of the forest, which affects prefire Hg accumulation, as well as the forest fire severity. On the basis of an average of 2.7 × 106 ha of forest and shrubland burned annually in the United States we estimate that wildfires and prescribed burns in the United States release 19 to 64 × 106g of Hg annually. 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Cycles</addtitle><description>Concentrations of mercury (Hg) in soil profiles and vegetation were examined in unburned areas and in areas recently burned by wildfires of low, medium, and high fire severities in western Wyoming. Paired unburned and burned sampling sites with similar tree species composition, forest stand age, climate, and geological substrate were studied. Results indicate that Hg release from forest fires is dependent on the tree species composition of the forest, which affects prefire Hg accumulation, as well as the forest fire severity. On the basis of an average of 2.7 × 106 ha of forest and shrubland burned annually in the United States we estimate that wildfires and prescribed burns in the United States release 19 to 64 × 106g of Hg annually. This represents between 13 and 42% of the estimated United States anthropogenic Hg flux of 150 × 106g.</description><subject>air pollution</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>atmospheric deposition</subject><subject>Biological and medical sciences</subject><subject>botanical composition</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>fire</subject><subject>forest</subject><subject>forest fires</subject><subject>forest soils</subject><subject>forest trees</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>gas emissions</subject><subject>General aspects</subject><subject>Geochemistry</subject><subject>mercury</subject><subject>smoke</subject><subject>soil pollution</subject><subject>Synecology</subject><subject>vegetation</subject><subject>wildfires</subject><issn>0886-6236</issn><issn>1944-9224</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kEtPQjEQRhujiYju3Hs3uvLq9EEfS0FFiY8EJSybUlpz5UK1hSj_3pJr1JWzmc0530w-hA4xnGEg6pwA8H4XgHDFt1ALK8ZKRQjbRi2QkpecUL6L9lJ6BcCs01EtRIeudia5Ivhi7qJdxXXhY5gXw2Bn6-I-rBZLUy0KH6JLy8JXee2jHW_q5A6-dxuNrq-eezfl3WP_tndxV1pGpSyxoyKPnTDhGbOCS6BEWWPk1LupxYRLpaaKCMVNftky7p2YEmEpsZKwCW2jkyb3LYb3VT6v51Wyrq7NwoVV0gRDByinGTxtQBtDStF5_RaruYlrjUFvmtF_m8n48XeuSdbUPpqFrdKvIwUWDG9iccN9VLVb_5up-91eNmR2ysap0tJ9_jgmzjQXVHT0-KGvx4NB90YwpS8zf9Tw3gRtXmL-Y_REAFMAIRhwTL8A1P6HSg</recordid><startdate>200703</startdate><enddate>200703</enddate><creator>Biswas, A</creator><creator>Blum, J.D</creator><creator>Klaue, B</creator><creator>Keeler, G.J</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7TG</scope><scope>7TV</scope><scope>C1K</scope><scope>KL.</scope></search><sort><creationdate>200703</creationdate><title>Release of mercury from Rocky Mountain forest fires</title><author>Biswas, A ; Blum, J.D ; Klaue, B ; Keeler, G.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4388-1e37777cb47f44c7680329caa8dfedc126899d92796a026c46fe7d27c32c824b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>air pollution</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>atmospheric deposition</topic><topic>Biological and medical sciences</topic><topic>botanical composition</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>fire</topic><topic>forest</topic><topic>forest fires</topic><topic>forest soils</topic><topic>forest trees</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>gas emissions</topic><topic>General aspects</topic><topic>Geochemistry</topic><topic>mercury</topic><topic>smoke</topic><topic>soil pollution</topic><topic>Synecology</topic><topic>vegetation</topic><topic>wildfires</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Biswas, A</creatorcontrib><creatorcontrib>Blum, J.D</creatorcontrib><creatorcontrib>Klaue, B</creatorcontrib><creatorcontrib>Keeler, G.J</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Global biogeochemical cycles</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Biswas, A</au><au>Blum, J.D</au><au>Klaue, B</au><au>Keeler, G.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Release of mercury from Rocky Mountain forest fires</atitle><jtitle>Global biogeochemical cycles</jtitle><addtitle>Global Biogeochem. Cycles</addtitle><date>2007-03</date><risdate>2007</risdate><volume>21</volume><issue>1</issue><epage>n/a</epage><issn>0886-6236</issn><eissn>1944-9224</eissn><coden>GBCYEP</coden><abstract>Concentrations of mercury (Hg) in soil profiles and vegetation were examined in unburned areas and in areas recently burned by wildfires of low, medium, and high fire severities in western Wyoming. Paired unburned and burned sampling sites with similar tree species composition, forest stand age, climate, and geological substrate were studied. Results indicate that Hg release from forest fires is dependent on the tree species composition of the forest, which affects prefire Hg accumulation, as well as the forest fire severity. On the basis of an average of 2.7 × 106 ha of forest and shrubland burned annually in the United States we estimate that wildfires and prescribed burns in the United States release 19 to 64 × 106g of Hg annually. 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| subjects | air pollution Animal and plant ecology Animal, plant and microbial ecology atmospheric deposition Biological and medical sciences botanical composition Earth sciences Earth, ocean, space Exact sciences and technology fire forest forest fires forest soils forest trees Fundamental and applied biological sciences. Psychology gas emissions General aspects Geochemistry mercury smoke soil pollution Synecology vegetation wildfires |
| title | Release of mercury from Rocky Mountain forest fires |
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