1200 years of Upper Missouri River streamflow reconstructed from tree rings
AuthorMartin, Justin T.
Pederson, Gregory T.
Woodhouse, Connie A.
Cook, Edward R.
McCabe, Gregory J.
Wise, Erika K.
Littell, Jeremy S.
Gray, Stephen T.
George, Scott St.
Jacques, Jeannine St.
AffiliationUniv Arizona, Sch Geog & Dev
Univ Arizona, Tree Ring Res Lab
Upper Missouri River
MetadataShow full item record
PublisherPERGAMON-ELSEVIER SCIENCE LTD
CitationMartin, J., Pederson, G.T., Woodhouse, C.A., Cook, E.R, McGuire, M., Broman, D., Lanini, J., et al. 2019. 1200 years of Upper Missouri River streamflow reconstructed from tree rings. Quaternary Science Reviews, 224, 105971. doi.org/10.1016/j.quascirev.2019.105971
JournalQUATERNARY SCIENCE REVIEWS
RightsPublished by Elsevier Ltd.
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at firstname.lastname@example.org.
AbstractPaleohydrologic records can provide unique, long-term perspectives on streamflow variability and hydroclimate for use in water resource planning. Such long-term records can also play a key role in placing both present day events and projected future conditions into a broader context than that offered by instrumental observations. However, relative to other major river basins across the western United States, a paucity of streamflow reconstructions has to date prevented the full application of such paleohydrologic information in the Upper Missouri River Basin. Here we utilize a set of naturalized streamflow records for the Upper Missouri and an expanded network of tree-ring records to reconstruct streamflow at thirty-one gaging locations across the major headwaters of the basin. The reconstructions explain an average of 68% of the variability in the observed streamflow records and extend available records of streamflow back to 886 CE on average. Basin-wide analyses suggest unprecedented hydroclimatic variability over the region during the Medieval period, similar to that observed in the Upper Colorado River Basin, and show considerable synchrony of persistent wet-dry phasing with the Colorado River over the last 1200 years. Streamflow estimates in individual sub-basins of the Upper Missouri demonstrate increased spatial variability in discharge during the Little Ice Age (similar to 1400-1850 CE) compared with the Medieval Climate Anomaly (similar to 800-1400 CE). The network of streamflow reconstructions presented here fills a major geographical void in paleohydrologic understanding and now allows for a long-term assessment of hydrological variability over the majority of the western U.S. Published by Elsevier Ltd.
Note24 month embargo; published online: 15 October 2019
VersionFinal accepted manuscript
SponsorsNational Science Foundation (NSF) Paleo Perspectives on Climate Change (P2C2) Program [1404188, 1403957, 1401549]; NSF Graduate Research Fellowship Program (GRFP)National Science Foundation (NSF)NSF - Office of the Director (OD) ; Graduate Research Internship Program (GRIP); U.S. Bureau of Reclamation WaterSMART Program (Sustain and Manage America's Resources for Tomorrow); state of Montana Department of Natural Resources and Conservation; U.S. Geological Survey Land Resources Mission Area; North Central Climate Adaptation Science Center