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  • Fluvial Processes | NASA Earthdata
    The physical interaction of flowing water and the natural channels of rivers and streams Such processes play an essential and conspicuous role in the denudation of land surfaces and the transport of rock detritus from higher to lower levels Definition source: Britannica
  • Sedimentation | NASA Earthdata
    NASA’s Earth science data help scientists study sediments to learn more about topics like river flows, natural disasters, and deforestation
  • Efeitos de Variabilidade Climática e Desmatamento No . . . - Earthdata
    escoamento fluvial com ambas as regiões, norte e sul, mostrando aumento no fluxo fluvial no período de 1945 a 1960 e uma diminuição de escoamento fluvial no período de 1970 a 1990 Guyot et al [1998] usaram dados de vazão de 17 grandes sub-bacias no Brasil, que mostraram forte diminuição
  • Aeolian Landforms | NASA Earthdata
    Wind can sweep sediment into formations and carry sand or ice crystals that wear down geological structures Aeolian landforms are especially common in areas that have few obstacles to block the wind and little vegetation to hold sediment in place, such as deser
  • O Papel dos Rios no Balanço Regional de Carbono - Earthdata
    arte da dinâmica fluvial da Bacia Amazônica naquela época Com relação ao ciclo do carbono, os autores levantaram uma série de questões que tratam da natureza da transferência de matéria orgânica de ambientes terrestres para o fluvial, bem como o destino fluvial da matéria orgânica: (1) De que
  • The Flood Hunters | NASA Earthdata
    Fluvial geomorphologist Bob Brakenridge first tested the idea of using satellite imagery to map flooding when the Mississippi River overflowed its banks in 1993 With images from the European Space Agency's ERS-1 satellite in hand, he flew over the river valley and found that the flood extent in the satellite images matched the flooding he saw
  • Dunes | NASA Earthdata
    A hill of sand built by aeolian processes Dunes occur in different forms and sizes, formed by interaction with the wind Most kinds of dunes are longer on the windward side where the sand is pushed up the dune and have a shorter 'slip face' in the lee of the wind
  • PALSAR | NASA Earthdata
    NASA's PALSAR is a synthetic aperture radar (SAR) that actively emits microwave signals and receives the reflection from the ground to acquire information
  • Aqua Turns 20 | NASA Earthdata
    On May 4, 2002, at 2:55 am Pacific Time, a rocket carrying NASA’s Aqua satellite—the second flagship satellite of the agency’s Earth Observing System (EOS)—launched into space from Vandenberg Air Force Base, located in California





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