AGU journal highlights -- Sept. 9, 2009

Featured in this release are research papers on the following topics: "Dry years getting drier in Pacific Northwest;" "Explaining the rainfall-humidity relationship;" "Radioactive tracers illuminate ancient solar cycles;" "New clues found in Saturn rotation mystery;" "Flapping sheet affects Saturn's magnetism;" "Balancing Earth's energy budget" and "Ancient Antarctica had more room for ice than was thought."