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Holocene paleoenvironmental evolution of the Aljezur alluvial
Freitas, Conceição; Andrade, Cesar; Alday, Maria; Cearreta, Alejandro; Gama, Cristina; Cruces, Anabela; Lopes, VeraThe 36 km-long Aljezur stream outlets at the southern tip of the Amoreira beach in the SW coast of Portugal, 150km south of Lisbon. In its seaward 5km, the stream meanders across a wide (275-670m) sediment choked flat-flored valley from which one 25m-long core was obtained about 4km upstream of the coast. The core sampled Pleisto- Holocene sediments resting over Paleozoic basement. Sedimentological and paleoenv...
Micropalaeontological record of Holocene estuarine and marine
Alday, María; Alejandro, Cearreta; Mário, Cachão; Conceição, Freitas; Andrade, Cesar; Cristina, GamaThe Corgo do Porto is a small tributary of the Mira River, outleting 3.5 km upstream of its mouth. The valley is flat-floored due to terrigenous siltation and forms an alluvial plain reclaimed for agriculture/aquaculture. These conditions were quite distinct in the recent past because of extensive marine flooding of this area during the high-rate positive eustatism that followed the Last Glacial Maximum. The Ho...
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