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O presente estudo visou classificar os quinze estuarios do Estado de Pernambuco, adotando como base as caracteristicas geomorfologicas. A base de dados utilizada para a classificacao foram imagens de satelites do Landsat 5-TM. Foram realizadas analises visuais das imagens de satelite e posteriormente efetuados trabalhos de campo com o intuito de validar as interpretacoes realizadas. Na zona costeira pernambucana os estuarios classificam-se como: Planicie Costeira (vale inundado), Formado por Barras e por Outros Processos. As interacoes espaco-temporal dos processos ambientais durante o Quaternario foram de fundamental importância para a atual configuracao das areas estuarinas classificadas, tendo em vista que tectonismo, erosao e sedimentacao recorrente das regressoes e transgressoes marinhas foram processos recursivos durante a formacao dos estuarios e que deixaram registros na paisagem. Foram definidos como planicie costeira os estuarios do Goiana/Megao, Jaguaribe, Paratibe, Maracaipe, Sirinhaem e Formoso. Do tipo construido pro barra tem-se o Timbo, Beberibe, Jaboatao/Pirapama, Mamucabas/Ilhetas e Una. Estuarios tipo ria sao os de Itapessoca e Canal de Santa Cruz, enquanto os de laguna costeira sao o Ipojuca e o Capibaribe. Palavras-chave: Estuarios, Zona Costeira Pernambucana, Quaternario Geomorphologic Classification of Estuaries of the State of Pernambuco (Brazil) Based on Landsat 5 TM Images ABSTRACT This study aimed to classify the fifteen estuaries of the State of Pernambuco-Brazil, using as base the geomorphological characteristics. The database used for the classification were satellite images of Landsat-5 TM. Were performed visual analysis of satellite images and were later made field work to validate the interpretations made. In the coastal zone of Pernambuco are found three classifications of estuaries: coastal plain (the flood plain), formed by bars and other processes. The space-time interactions of environmental processes during the Quaternary were of fundamental importance to the current configuration of estuarine areas classified in order to tectonics, erosion and sedimentation of the applicant marine transgressions and regressions were recursive processes during the formation of estuaries and left records in the landscape. Were defined as the coastal plain estuaries of Goiana/Megao, Jaguaribe, Paratibe, Olinda, Sirinhaem and Formoso. Type built by bar has the Timbo, Beberibe, Jaboatao/Pirapama, Mamucaba/Ilhetas and Una. Estuaries are the kind of laughed Itapessoca and Channel and Santa Cruz, while the coastal lagoon and are Ipojuca and Capibaribe. Key-words: Estuary, coastal Pernambuco, quaternary