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As part of a NASA-funded study of sediment flux rates at a Mars analog site, we installed a suite of instruments in a small dune field near Grand Falls, Arizona. Data released in this report were collected from 10/28/2013 to 11/04/2016. The Grand Falls (GF) dune field is located on the Navajo Nation. It lies ~70 km NE of Flagstaff, AZ, 2 km east of Grand Falls, and just north of the Little Colorado River (LCR). The dune field consists of barchans, smaller dunes, ripples, and bare, indurated interdune surfaces; all features commonly found on the Martian surface. We measured sediment flux using a Sensit saltation sensor and a set of three Big Spring Number Eight (BSNE) passive sediment samplers, at 20, 50, and 100...
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As part of a NASA-funded study of sediment flux rates at a Mars analog site, we installed a suite of instruments in a small dune field near Grand Falls, Arizona. Data released in this report was collected from 02/07/2017 to 05/22/2019. The Grand Falls (GF) dune field is located on the Navajo Nation. It lies ~70 km NE of Flagstaff, AZ, 2 km east of Grand Falls, and just north of the Little Colorado River (LCR). The dune field consists of barchans, smaller dunes/ripples, and bare interdunes with indurated surfaces, all features commonly found on the Martian surface. We measured sediment flux using a Multi Layer Solid State Saltation Sensor (MLS4) and a set of three Big Spring Number Eight (BSNE) passive sediment samplers,...


    map background search result map search result map USGS 1:62500-scale Quadrangle for Leupp, AZ 1955 USGS 1:62500-scale Quadrangle for Leupp, AZ 1955 Grand Falls, Arizona: Dune Field Sand Transport 2013 - 2016 Grand Falls, Arizona: Dune Field Sand Transport 2017 - 2019 USGS 1:62500-scale Quadrangle for Leupp, AZ 1955 USGS 1:62500-scale Quadrangle for Leupp, AZ 1955