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Tree rings, carbon dioxide, and climatic change
Tree rings have been used in various applications to reconstruct past climates as well as to assess the effects of recent climatic and environmental change on tree growth. In this paper we briefly review two ways that tree rings provide information about climate change and CO2: (i) in determining wh...
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Published in: | Proceedings of the National Academy of Sciences - PNAS 1997-08, Vol.94 (16), p.8350-8353 |
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creator | Jacoby, G.C. (Lamont-Doherty Earth Observatory, Palisades, NY.) D'Arrigo, R.D |
description | Tree rings have been used in various applications to reconstruct past climates as well as to assess the effects of recent climatic and environmental change on tree growth. In this paper we briefly review two ways that tree rings provide information about climate change and CO2: (i) in determining whether recent warming during the period of instrumental observations is unusual relative to prior centuries to millennia, and thus might be related to increasing greenhouse gases; and (ii) in evaluating whether enhanced radial growth has taken place in recent decades that appears to be unexplained by climate and might instead be due to increasing atmospheric CO2 or other nutrient fertilization. It is found that a number of tree-ring studies from temperature-sensitive settings indicate unusual recent warming, although there are also exceptions at certain sites. The present tree-ring evidence for a possible CO2 fertilization effect under natural environmental conditions appears to be very limited |
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(Lamont-Doherty Earth Observatory, Palisades, NY.)</creatorcontrib><creatorcontrib>D'Arrigo, R.D</creatorcontrib><title>Tree rings, carbon dioxide, and climatic change</title><title>Proceedings of the National Academy of Sciences - PNAS</title><addtitle>Proc Natl Acad Sci U S A</addtitle><description>Tree rings have been used in various applications to reconstruct past climates as well as to assess the effects of recent climatic and environmental change on tree growth. In this paper we briefly review two ways that tree rings provide information about climate change and CO2: (i) in determining whether recent warming during the period of instrumental observations is unusual relative to prior centuries to millennia, and thus might be related to increasing greenhouse gases; and (ii) in evaluating whether enhanced radial growth has taken place in recent decades that appears to be unexplained by climate and might instead be due to increasing atmospheric CO2 or other nutrient fertilization. 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(Lamont-Doherty Earth Observatory, Palisades, NY.)</creatorcontrib><creatorcontrib>D'Arrigo, R.D</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Pollution Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jacoby, G.C. (Lamont-Doherty Earth Observatory, Palisades, NY.)</au><au>D'Arrigo, R.D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tree rings, carbon dioxide, and climatic change</atitle><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle><addtitle>Proc Natl Acad Sci U S A</addtitle><date>1997-08-05</date><risdate>1997</risdate><volume>94</volume><issue>16</issue><spage>8350</spage><epage>8353</epage><pages>8350-8353</pages><issn>0027-8424</issn><eissn>1091-6490</eissn><notes>1997052025</notes><notes>P40</notes><notes>F40</notes><notes>ObjectType-Article-2</notes><notes>SourceType-Scholarly Journals-2</notes><notes>ObjectType-Feature-1</notes><notes>content type line 23</notes><notes>SourceType-Conference Papers & Proceedings-1</notes><notes>ObjectType-Conference-3</notes><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>To whom reprint requests should be addressed. e-mail: druid@ldeo.columbia.edu.</notes><notes>This paper was presented at a colloquium entitled “Carbon Dioxide and Climate Change,” organized by Charles D. Keeling, held November 13–15, 1995, at the National Academy of Sciences, Irvine, CA.</notes><abstract>Tree rings have been used in various applications to reconstruct past climates as well as to assess the effects of recent climatic and environmental change on tree growth. In this paper we briefly review two ways that tree rings provide information about climate change and CO2: (i) in determining whether recent warming during the period of instrumental observations is unusual relative to prior centuries to millennia, and thus might be related to increasing greenhouse gases; and (ii) in evaluating whether enhanced radial growth has taken place in recent decades that appears to be unexplained by climate and might instead be due to increasing atmospheric CO2 or other nutrient fertilization. It is found that a number of tree-ring studies from temperature-sensitive settings indicate unusual recent warming, although there are also exceptions at certain sites. The present tree-ring evidence for a possible CO2 fertilization effect under natural environmental conditions appears to be very limited</abstract><cop>United States</cop><pub>National Academy of Sciences of the United States of America</pub><pmid>11607744</pmid><doi>10.1073/pnas.94.16.8350</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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source | JSTOR Archival Journals and Primary Sources Collection; PubMed Central |
subjects | ANILLO DE CRECIMIENTO ARBOLES ARBRE ATMOSFERA ATMOSPHERE CAMBIO CLIMATICO CARBON DIOXIDE CERNE CHANGEMENT CLIMATIQUE Climate Climate change Climate models CLIMATIC CHANGE CLIMATOLOGIA CLIMATOLOGIE CLIMATOLOGY DENDROCLIMATOLOGY DIOXIDO DE CARBONO DIOXYDE DE CARBONE Fertilization Global climate models GLOBAL WARMING GROWTH RINGS Paleoclimatology Papers from a Colloquium Tree growth TREES |
title | Tree rings, carbon dioxide, and climatic change |
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