Abstract: A new, well-verified, multiproxy reconstruction of the winter North Atlantic Oscillation (NAO) index is described that can be used to examine the variability of the NAO prior to twentieth century greenhouse forcing. It ...

Abstract: Reconstructions of annual (prior August?current July) precipitation and streamflow, 345 yr in length (1651?1995), are presented for northeastern Mongolia based on tree-ring width data. These precipitation and streamflow ...

Abstract: orthwestern North America has one of the highest rates of recent temperature increase in the world, but the putative ?divergence problem? in dendroclimatology potentially limits the ability of tree-ring proxy data at high ...