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1. Identificação
Tipo de ReferênciaArtigo em Evento (Conference Proceedings)
Sitemtc-m12.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador6qtX3pFwXQZ3r59YD6/GPhAL
Repositóriosid.inpe.br/iris@1912/2005/07.20.10.43.48
Última Atualização2015:12.09.14.10.24 (UTC) marciana
Repositório de Metadadossid.inpe.br/iris@1912/2005/07.20.10.44
Última Atualização dos Metadados2021:02.13.04.09.54 (UTC) administrator
Chave SecundáriaINPE-6517-PRE/2556
Rótulo7876
Chave de CitaçãoSoaresRenn:1996:SoMoRe
TítuloSoil moisture retrieval from active microwave remote sensing
Ano1996
Data Secundária19980131
Data de Acesso13 maio 2024
Tipo SecundárioPRE CI
Número de Arquivos1
Tamanho1243 KiB
2. Contextualização
Autor1 Soares, Joao Vianei
2 Renno, Camilo Daleles
Grupo1 DSR-INPE-MCT-BR
2 DPI-INPE-MCT-BR
Nome do EventoLatin-American Seminar on Radar Sensing, 1.
Localização do EventoBuenos Aires, AR
Data2-4 dec. 1996
VolumeESA SP - 407
Páginas195-203
OrganizaçãoCONAE/INPE/ESA/SELPER/CIDA/DI-UFPe
Histórico (UTC)2008-06-09 21:49:54 :: administrator -> jefferson ::
2010-07-07 18:52:51 :: jefferson -> administrator ::
2015-04-16 13:23:10 :: administrator -> marciana :: 1996
2016-02-12 18:20:02 :: marciana -> administrator :: 1996
2016-06-04 23:29:40 :: administrator -> marciana :: 1996
2016-09-12 13:58:58 :: marciana -> administrator :: 1996
2021-02-13 04:09:54 :: administrator -> marciana :: 1996
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Palavras-ChaveEmpiric
Model
Polarization
SAR
Scattering
Soil moisture
Surface
ResumoIt is well know that microwave reflectivity of agricultural targets is primarily associated with soil roughness, soil dielectric properties and the presence of vegetation. The dielectric constant of a completely dry soil is around 3 and that of pure water approaches 80. Then, as the wetness of the soil top layer increases the reflectivity will also rise. On the other hand there is a dichotomy: rough and dry soils could produce a higher backscatter (scatter in the receiving antenna direction)than smooth wet soils, since most of the fields could experience specular reflection away from the radar. This paper briefly reviews the theory and methods of retrieving soil moisture from remote active microwave systems, its application, conditions of validity and limitations as practical use is concerned. Methods based on a simple linear regression between radar backscatter and soil moisture as well as those based on the inversion of surface scattering models are presented. The validity conditions are discussed. Finally, we introduce the preliminary results on the inversion of a semi-empirical surface scattering model to retrieve top layer (first few centimeters)soil moisture using the SIR-C L and C band multipolarization imagery acquired over the Bebedouro Irrigation Project test site, in the semi-arid Sao Francisco river valley in the northeast Brazil. "In situ" soil moisture and soil roughness for some bare and low vegetated fields, were measured simultaneously with the radar data acquisition during the first flight of the SIR-C/X-SAR mission in April 1994.
ÁreaSRE
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Conteúdo da Pasta docacessar
Conteúdo da Pasta sourcenão têm arquivos
Conteúdo da Pasta agreementnão têm arquivos
4. Condições de acesso e uso
URL dos dadoshttp://urlib.net/ibi/6qtX3pFwXQZ3r59YD6/GPhAL
URL dos dados zipadoshttp://urlib.net/zip/6qtX3pFwXQZ3r59YD6/GPhAL
Idiomaen
Arquivo AlvoINPE 6517.pdf
Grupo de Usuáriosadministrator
marciana
Grupo de Leitoresadministrator
marciana
Visibilidadeshown
Permissão de Leituraallow from all
Permissão de Atualizaçãonão transferida
5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/3EQCCU5
8JMKD3MGPCW/3ER446E
Acervo Hospedeirosid.inpe.br/banon/2001/04.06.10.52
6. Notas
Campos Vaziosaffiliation archivingpolicy archivist booktitle callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition editor electronicmailaddress format isbn issn lineage mark mirrorrepository nextedition notes numberofvolumes orcid parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress resumeid rightsholder schedulinginformation secondarymark serieseditor session shorttitle sponsor subject tertiarymark tertiarytype type url
7. Controle da descrição
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