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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
05/02/2016 |
Data da última atualização: |
24/03/2016 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
REZENDE, L. F. C.; ARENQUE, B. C.; AIDAR, S. de T.; MOURA, M. S. B. de; RANDOW, C. V.; TOURIGNY, E.; MENEZES, R. S. C.; OMETTO, J. P. H. B. |
Afiliação: |
L. F. C. REZENDE, INPE; B. C. ARENQUE, USP; SAULO DE TARSO AIDAR, CPATSA; MAGNA SOELMA BESERRA DE MOURA, CPATSA; C. VON RANDOW, INPE; E. TOURIGNY, INPE; R. S. C. MENEZES, UFPE; J. P. H. B. OMETTO, INPE. |
Título: |
Evolution and challenges of dynamic global vegetation models for some aspects of plant physiology and elevated atmospheric CO2. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
International Journal of Biometeorology, 2015. |
Idioma: |
Inglês |
Conteúdo: |
Dynamic global vegetation models (DGVMs) simulate surface processes such as the transfer of energy, water, CO2, and momentum between the terrestrial surface and the atmosphere, biogeochemical cycles, carbon assimilation by vegetation, phenology, and land use change in scenarios of varying atmospheric CO2 concentrations. DGVMs increase the complexity and the Earth system representation when they are coupled with atmospheric global circulation models (AGCMs) or climate models. However, plant physiological processes are still a major source of uncertainty in DGVMs. The maximum velocity of carboxylation (Vcmax), for example, has a direct impact over productivity in the models. This parameter is often underestimated or imprecisely defined for the various plant functional types (PFTs) and ecosystems. Vcmax is directly related to photosynthesis acclimation (loss of response to elevated CO2), a widely known phenomenon that usually occurs when plants are subjected to elevated atmospheric CO2 and might affect productivity estimation in DGVMs. Despite this, current models have improved substantially, compared to earlier models which had a rudimentary and very simple representation of vegetation-atmosphere interactions. In this paper, we describe this evolution through generations of models and the main events that contributed to their improvements until the current state-of-the-art class of models. Also, we describe some main challenges for further improvements to DGVMs. |
Palavras-Chave: |
CO2; Distribuição de carbono; GVMs; Mudanças Climáticas; Mudanças globais; Velocidade máxima de carboxilação. |
Thesagro: |
Aclimatação; Carbono; Fisiologia vegetal; Planta; Vegetação. |
Thesaurus Nal: |
Plant physiology. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02516naa a2200349 a 4500 001 2036304 005 2016-03-24 008 2015 bl uuuu u00u1 u #d 100 1 $aREZENDE, L. F. C. 245 $aEvolution and challenges of dynamic global vegetation models for some aspects of plant physiology and elevated atmospheric CO2.$h[electronic resource] 260 $c2015 520 $aDynamic global vegetation models (DGVMs) simulate surface processes such as the transfer of energy, water, CO2, and momentum between the terrestrial surface and the atmosphere, biogeochemical cycles, carbon assimilation by vegetation, phenology, and land use change in scenarios of varying atmospheric CO2 concentrations. DGVMs increase the complexity and the Earth system representation when they are coupled with atmospheric global circulation models (AGCMs) or climate models. However, plant physiological processes are still a major source of uncertainty in DGVMs. The maximum velocity of carboxylation (Vcmax), for example, has a direct impact over productivity in the models. This parameter is often underestimated or imprecisely defined for the various plant functional types (PFTs) and ecosystems. Vcmax is directly related to photosynthesis acclimation (loss of response to elevated CO2), a widely known phenomenon that usually occurs when plants are subjected to elevated atmospheric CO2 and might affect productivity estimation in DGVMs. Despite this, current models have improved substantially, compared to earlier models which had a rudimentary and very simple representation of vegetation-atmosphere interactions. In this paper, we describe this evolution through generations of models and the main events that contributed to their improvements until the current state-of-the-art class of models. Also, we describe some main challenges for further improvements to DGVMs. 650 $aPlant physiology 650 $aAclimatação 650 $aCarbono 650 $aFisiologia vegetal 650 $aPlanta 650 $aVegetação 653 $aCO2 653 $aDistribuição de carbono 653 $aGVMs 653 $aMudanças Climáticas 653 $aMudanças globais 653 $aVelocidade máxima de carboxilação 700 1 $aARENQUE, B. C. 700 1 $aAIDAR, S. de T. 700 1 $aMOURA, M. S. B. de 700 1 $aRANDOW, C. V. 700 1 $aTOURIGNY, E. 700 1 $aMENEZES, R. S. C. 700 1 $aOMETTO, J. P. H. B. 773 $tInternational Journal of Biometeorology, 2015.
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Embrapa Semiárido (CPATSA) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Pantanal. |
Data corrente: |
18/08/2008 |
Data da última atualização: |
21/05/2010 |
Autoria: |
POTT, A.; POTT, V. J.; NUNES DA CUNHA, C.; DAMASCENO, G.; SALIS, S. M.; SANTOS, S. A.; DIAS, E. S.; SARTORI, A.; GUARIN NETO, G.; M. A. SCARNIELLO; ISHII, I. H. |
Afiliação: |
ARNILDO POTT, UFMS; VALI JOANA POTT, UFMS; CÁTIA NUNES DA CUNHA, UFMT; GERALDO DAMASCENO, UFMS; SUZANA MARIA SALIS, CPAP; SANDRA APARECIDA SANTOS, CPAP; EDNA SCREMIN DIAS, UFMS; ANGELA SARTORI, UFMS; GERMANO GUARIN NETO, UFMT; IRIA HIROMI ISHII, UFMS. |
Título: |
Flora the Pantanal wetland. |
Ano de publicação: |
2008 |
Fonte/Imprenta: |
In: INTECOL INTERNATIONAL WETLANDS CONFERENCE, 8., Cuiabá, 2008. Big wetlands, big concerns: abstracts. [Sl.: s.n], 2008. |
Páginas: |
p.172 |
Idioma: |
Inglês |
Thesagro: |
Flora. |
Thesaurus NAL: |
Pantanal. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00722naa a2200265 a 4500 001 1812822 005 2010-05-21 008 2008 bl --- 0-- u #d 100 1 $aPOTT, A. 245 $aFlora the Pantanal wetland. 260 $c2008 300 $ap.172 650 $aPantanal 650 $aFlora 700 1 $aPOTT, V. J. 700 1 $aNUNES DA CUNHA, C. 700 1 $aDAMASCENO, G. 700 1 $aSALIS, S. M. 700 1 $aSANTOS, S. A. 700 1 $aDIAS, E. S. 700 1 $aSARTORI, A. 700 1 $aGUARIN NETO, G. 700 1 $aM. A. SCARNIELLO 700 1 $aISHII, I. H. 773 $tIn: INTECOL INTERNATIONAL WETLANDS CONFERENCE, 8., Cuiabá, 2008. Big wetlands, big concerns: abstracts. [Sl.: s.n], 2008.
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