TY - RPRT TI - U.S. Geological Survey core science systems strategy: Characterizing, synthesizing, and understanding the critical zone through a modular science framework AU - R. Sky Bristol AU - Ned H. Euliss AU - Nathaniel L. Booth AU - Nina Burkardt AU - Jay E. Diffendorfer AU - Dean B. Gesch AU - Brian E. McCallum AU - David M. Miller AU - Suzette A. Morman AU - Barbara S. Poore AU - Richard P. Signell AU - Roland J. Viger PY - 2013 DO - 10.3133/cir1383b UR - https://pubs.usgs.gov/publication/cir1383B ID - cir1383B ER -