| 1. Identificação | |
| Tipo de Referência | Artigo em Evento (Conference Proceedings) |
| Site | marte3.sid.inpe.br |
| Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identificador | 6qtX3pFwXQZ3r59YCT/H3FPq |
| Repositório | sid.inpe.br/iris@1905/2005/08.03.23.42 |
| Última Atualização | 2015:11.19.13.56.23 (UTC) marciana |
| Repositório de Metadados | sid.inpe.br/iris@1905/2005/08.03.23.42.27 |
| Última Atualização dos Metadados | 2018:06.06.03.55.16 (UTC) administrator |
| Chave Secundária | INPE-9322-PRE/4986 |
| Rótulo | 10241 |
| Chave de Citação | DAlmeidaVöBaMaGuWi:2002:ScIs |
| Título | Effects of Deforestation in Amazonia on the Local Hydrological Cycle: The Scale-Dependence Issue  |
| Ano | 2002 |
| Data Secundária | 20021107 |
| Data de Acesso | 25 maio 2024 |
| Tipo Secundário | PRE CI |
| Número de Arquivos | 1 |
| Tamanho | 469 KiB |
| 2. Contextualização | |
| Autor | 1 D' Almeida, Cassiano 2 Vörösmarty, J. Charles 3 Balazs, Fekete 4 Marengo, José Antonio 5 Guenni, Lelys B. 6 Willmott, Cort |
| Grupo | 1 CPT-INPE-MCT-BR |
| Nome do Evento | International LBA Scientific Conference, 2. |
| Localização do Evento | Manaus, Br |
| Data | 7-10 July 2002 |
| Histórico (UTC) | 2015-05-21 18:37:14 :: administrator -> marciana :: 2002 2015-11-19 13:56:23 :: marciana -> administrator :: 2002 2018-06-06 03:55:16 :: administrator -> marciana :: 2002 |
| 3. Conteúdo e estrutura | |
| É a matriz ou uma cópia? | é a matriz |
| Estágio do Conteúdo | concluido |
| Transferível | 1 |
| Tipo do Conteúdo | External Contribution |
| Palavras-Chave | METEOROLOGIA |
| Resumo | Despite all the concern from the scientific community on major impacts of Amazonian deforestation, its effects on the regional hydrological cycle are still uncertain. While many modeling studies have observed that large-scale conversion of the Amazonian rainforest into pastures, or croplands tend to induce an overall reduction in precipitation, there are also meso-scale experiments that predicted the establishment of enhanced rainfall over deforested areas. These contrasting results suggest that the net effect of deforestation on precipitation might depend on the size of the clearing area. However, precipitation in Amazonia follows more closely the fluctuations in the general circulation of the atmosphere, which seems to be still offsetting the effects of deforestation. Since runoff is not directly dependent on such remote forcings, it may, unlike precipitation, carry the signal of deforestation and permit a better assessment on the scale-dependence of its effects. The present work applies different methods of tend Analysis to historical discharge records in the Amazon Basin, to detect significant trends potentially associated with deforestation. Spectral Analysis is also applied to identify significant oscillations present in the data, which are then removed after the application of suitable frequency filters. Based on current and predicted deforestation scenarios, a numerical model representing the Water Budget Closure (WBC)system in Amazonia is also applied, providing high-resolution gridded runoff and discharge outputs. Preliminary results indicate the existence of organized spatial patterns in the trends of non-filtered discharge records, indicating a potential association with deforested areas. After removing significant oscillations from these records - determined from power spectrum calculations -, these patterns might get intensified. The application of WBC as proposed, will assess the coherence of deforestation and trend patterns. |
| Área | MET |
| Arranjo | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > CGCPT > Effects of Deforestation... |
| Conteúdo da Pasta doc | acessar |
| Conteúdo da Pasta source | não têm arquivos |
| Conteúdo da Pasta agreement | não têm arquivos |
| 4. Condições de acesso e uso | |
| URL dos dados | http://urlib.net/ibi/6qtX3pFwXQZ3r59YCT/H3FPq |
| URL dos dados zipados | http://urlib.net/zip/6qtX3pFwXQZ3r59YCT/H3FPq |
| Arquivo Alvo | dalmeida.pdf |
| Grupo de Usuários | administrator marciana |
| Grupo de Leitores | administrator marciana |
| Visibilidade | shown |
| Permissão de Leitura | allow from all |
| Permissão de Atualização | não transferida |
| 5. Fontes relacionadas | |
| Unidades Imediatamente Superiores | 8JMKD3MGPCW/3EUPEJL |
| Lista de Itens Citando | sid.inpe.br/bibdigital/2013/10.06.18.03 1 |
| Acervo Hospedeiro | sid.inpe.br/banon/2001/04.03.15.36 |
| 6. Notas | |
| Campos Vazios | affiliation archivingpolicy archivist booktitle callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition editor electronicmailaddress format isbn issn language lineage mark mirrorrepository nextedition notes numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress resumeid rightsholder schedulinginformation secondarymark serieseditor session shorttitle sponsor subject tertiarymark tertiarytype type url versiontype volume |
| 7. Controle da descrição | |
| e-Mail (login) | marciana |
| atualizar | |