| 1. Identificação | |
| Tipo de Referência | Artigo em Revista Científica (Journal Article) |
| Site | mtc-m16b.sid.inpe.br |
| Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identificador | 6qtX3pFwXQZGivnK2Y/TQGMa |
| Repositório | sid.inpe.br/mtc-m17@80/2008/04.22.12.46 (acesso restrito) |
| Última Atualização | 2008:04.22.12.46.07 (UTC) administrator |
| Repositório de Metadados | sid.inpe.br/mtc-m17@80/2008/04.22.12.46.08 |
| Última Atualização dos Metadados | 2022:03.26.18.01.07 (UTC) administrator |
| Chave Secundária | INPE--PRE/ |
| DOI | 10.1023/A:1005155706417 |
| ISSN | 0049-6979 |
| Chave de Citação | FortiBoulMelfNeal:2000:CoNaDe |
| Título | Hydrogeochemistry of a small catchment in Northeastern Amazonia: A comparison between natural with deforested parts of the catchment (Serra doNavio, Amapá State, Brazil)  |
| Ano | 2000 |
| Data Secundária | 200003 |
| Mês | Mar. |
| Data de Acesso | 06 maio 2024 |
| Tipo Secundário | PRE PI |
| Número de Arquivos | 1 |
| Tamanho | 289 KiB |
| 2. Contextualização | |
| Autor | 1 Forti, Maria Cristina 2 Boulet, R. 3 Melfi, A. J. 4 Neal, C. |
| Identificador de Curriculo | 1 8JMKD3MGP5W/3C9JHR6 |
| Grupo | 1 DMA-INPE-MCT-BR |
| Afiliação | 1 Instituto Nacional de Pesquisas Espaciais (INPE/CPTEC) 2 ORSTOM, Instituto de Geociências DGG USP, CP 20899, CEP 01498-970 São Paulo/SP, Brasil 3 NUPEGEL, Instituto Astronômico e Geofísico USP, CP 9638 CEP 4 Institute of Hydrology, Maclean Building, Wallingford, OXON OX10 8BB, U.K. |
| Endereço de e-Mail | deicy@cptec.inpe.br |
| Revista | Water, Air, and Soil Pollution |
| Volume | 118 |
| Número | 3-4 |
| Páginas | 263-279 |
| Histórico (UTC) | 2008-04-22 12:55:25 :: deicy -> banon :: 2008-11-19 10:48:45 :: banon -> administrator :: 2010-05-11 02:50:22 :: administrator -> deicy :: 2010-07-06 18:31:53 :: deicy -> administrator :: 2012-07-13 22:32:07 :: administrator -> banon :: 2000 2012-09-28 16:37:48 :: banon -> administrator :: 2000 2022-03-26 18:01:07 :: administrator -> marciana :: 2000 |
| 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 | Amazonia deforestation hydrochemistry rainforest water quality |
| Resumo | To undertake a comprehensive study of the disturbance effects due to mining activities (manganese ore exploitation) on the chemical composition of drainage waters, a 164 ha catchment in North-eastern Amazonia tropical forest was sampled weekly for a year period (June 1993 to June 1994) to determine the contrasts in rainwater, throughfall and stream water chemistry between the upper undisturbed area and the lower part affected by deforestation and mining works. During the 3 dry months season only about 15% of the total annual input-output of chemical species to and from the catchment occurs. In the three wettest months, about 30% of the flux occurs, except 60% of the potassium and nitrate release from the catchment occurs in these three months. The rain waters are slightly acidic (pH approximate to 5.2) with low alkalinity, while the stream water is nearly neutral (pH approximate to 6.9): alkalinity is generated within the soil and soil water system. The rainfall-throughfall relationship of the chemical species in the natural areas exhibits strong internal recycling and little export from the catchment. In the area changed by deforestation and mining works almost all chemical species show a net export in surface waters: these are mainly derived from the deforested area of the basin, where most probably due to enhanced weathering processes because the vegetation cover has to re-establish itself. |
| Área | MET |
| Arranjo | urlib.net > BDMCI > Fonds > Produção até 2016 > DMA > Hydrogeochemistry of a... |
| 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 | |
| Idioma | en |
| Arquivo Alvo | forti_2000.pdf |
| Grupo de Usuários | administrator banon deicy |
| Visibilidade | shown |
| Política de Arquivamento | denypublisher denyfinaldraft12 |
| Permissão de Leitura | deny from all and allow from 150.163 |
| 5. Fontes relacionadas | |
| Unidades Imediatamente Superiores | 8JMKD3MGPCW/46JKC45 |
| Divulgação | WEBSCI; PORTALCAPES. |
| Acervo Hospedeiro | lcp.inpe.br/ignes/2004/02.12.18.39 cptec.inpe.br/walmeida/2003/04.25.17.12 |
| 6. Notas | |
| Campos Vazios | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel documentstage electronicmailaddress format isbn label lineage mark mirrorrepository nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project readergroup rightsholder schedulinginformation secondarymark session shorttitle sponsor subject tertiarymark tertiarytype typeofwork url versiontype |
| 7. Controle da descrição | |
| e-Mail (login) | marciana |
| atualizar | |