Research Paper GEOSPHERE Paleodischarge of the Mojave River, southwestern United States, investigated with single-pebble measurements of 10Be GEOSPHERE; v. 11, no. 4 Andrew J. Cyr1, David M. Miller1, and Shannon A. Mahan2 1U.S. Geological Survey, 345 Middlefield Road, MS 973, Menlo Park, California 94025, USA doi:10.1130/GES01134.1 2U.S. Geological Survey, Box 25046, MS 974, Denver Federal Center, Denver, Colorado 80225, USA 6 figures; 2 tables; 5 supplemental files ABSTRACT climatic drivers (e.g., Enzel et al., 2003, and references therein; Miller et al., CORRESPONDENCE:
[email protected] 2010; Kirby et al., 2012; Lyle et al., 2012; Antinao and McDonald, 2013). How- The paleohydrology of ephemeral stream systems is an important con- ever, placing constraints on the paleodischarge of fluvial systems remains a CITATION: Cyr, A.J., Miller, D.M., and Mahan, S.A., straint on paleoclimatic conditions in arid environments, but remains difficult difficult problem. 2015, Paleodischarge of the Mojave River, south- western United States, investigated with single- to measure quantitatively. For example, sedimentary records of the size and Reconstructions of the paleohydrology of arid regions, particularly south- pebble measurements of 10Be: Geosphere, v. 11, extent of pluvial lakes in the Mojave Desert (southwestern USA) have been western North America, are often based on geologic and geomorphic evidence no. 4, p. 1158–1171, doi:10.1130/GES01134.1. used as a proxy for Quaternary climate variability. Although the delivery mech- of the size and extent