Updated streamflow reconstructions for the Upper Colorado River Basin

Connie Woodhouse, Stephen T. Gray, David Meko

Research output: Contribution to journalArticle

234 Citations (Scopus)

Abstract

Updated proxy reconstructions of water year (October-September) streamflow for four key gauges in the Upper Colorado River Basin were generated using an expanded tree ring network and longer calibration records than in previous efforts. Reconstructed gauges include the Green River at Green River, Utah; Colorado near Cisco, Utah; San Juan near Bluff, Utah; and Colorado at Lees Ferry, Arizona. The reconstructions explain 72-81% of the variance in the gauge records, and results are robust across several reconstruction approaches. Time series plots as well as results of cross-spectral analysis indicate strong spatial coherence in runoff variations across the subbasins. The Lees Ferry reconstruction suggests a higher long-term mean than previous reconstructions but strongly supports earlier findings that Colorado River allocations were based on one of the wettest periods in the past 5 centuries and that droughts more severe than any 20th to 21st century event occurred in the past.

Original languageEnglish (US)
Article numberW05415
JournalWater Resources Research
Volume42
Issue number5
DOIs
StatePublished - May 2006

Fingerprint

Green River
Colorado River
stream flow
gauges
Catchments
streamflow
river basin
Rivers
Gages
gauge
growth rings
spectral analysis
river
Drought
time series analysis
runoff
calibration
Runoff
drought
Spectrum analysis

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry
  • Aquatic Science
  • Water Science and Technology

Cite this

Updated streamflow reconstructions for the Upper Colorado River Basin. / Woodhouse, Connie; Gray, Stephen T.; Meko, David.

In: Water Resources Research, Vol. 42, No. 5, W05415, 05.2006.

Research output: Contribution to journalArticle

@article{2174e4ede1c54398884f77c67785734f,
title = "Updated streamflow reconstructions for the Upper Colorado River Basin",
abstract = "Updated proxy reconstructions of water year (October-September) streamflow for four key gauges in the Upper Colorado River Basin were generated using an expanded tree ring network and longer calibration records than in previous efforts. Reconstructed gauges include the Green River at Green River, Utah; Colorado near Cisco, Utah; San Juan near Bluff, Utah; and Colorado at Lees Ferry, Arizona. The reconstructions explain 72-81{\%} of the variance in the gauge records, and results are robust across several reconstruction approaches. Time series plots as well as results of cross-spectral analysis indicate strong spatial coherence in runoff variations across the subbasins. The Lees Ferry reconstruction suggests a higher long-term mean than previous reconstructions but strongly supports earlier findings that Colorado River allocations were based on one of the wettest periods in the past 5 centuries and that droughts more severe than any 20th to 21st century event occurred in the past.",
author = "Connie Woodhouse and Gray, {Stephen T.} and David Meko",
year = "2006",
month = "5",
doi = "10.1029/2005WR004455",
language = "English (US)",
volume = "42",
journal = "Water Resources Research",
issn = "0043-1397",
publisher = "American Geophysical Union",
number = "5",

}

TY - JOUR

T1 - Updated streamflow reconstructions for the Upper Colorado River Basin

AU - Woodhouse, Connie

AU - Gray, Stephen T.

AU - Meko, David

PY - 2006/5

Y1 - 2006/5

N2 - Updated proxy reconstructions of water year (October-September) streamflow for four key gauges in the Upper Colorado River Basin were generated using an expanded tree ring network and longer calibration records than in previous efforts. Reconstructed gauges include the Green River at Green River, Utah; Colorado near Cisco, Utah; San Juan near Bluff, Utah; and Colorado at Lees Ferry, Arizona. The reconstructions explain 72-81% of the variance in the gauge records, and results are robust across several reconstruction approaches. Time series plots as well as results of cross-spectral analysis indicate strong spatial coherence in runoff variations across the subbasins. The Lees Ferry reconstruction suggests a higher long-term mean than previous reconstructions but strongly supports earlier findings that Colorado River allocations were based on one of the wettest periods in the past 5 centuries and that droughts more severe than any 20th to 21st century event occurred in the past.

AB - Updated proxy reconstructions of water year (October-September) streamflow for four key gauges in the Upper Colorado River Basin were generated using an expanded tree ring network and longer calibration records than in previous efforts. Reconstructed gauges include the Green River at Green River, Utah; Colorado near Cisco, Utah; San Juan near Bluff, Utah; and Colorado at Lees Ferry, Arizona. The reconstructions explain 72-81% of the variance in the gauge records, and results are robust across several reconstruction approaches. Time series plots as well as results of cross-spectral analysis indicate strong spatial coherence in runoff variations across the subbasins. The Lees Ferry reconstruction suggests a higher long-term mean than previous reconstructions but strongly supports earlier findings that Colorado River allocations were based on one of the wettest periods in the past 5 centuries and that droughts more severe than any 20th to 21st century event occurred in the past.

UR - http://www.scopus.com/inward/record.url?scp=33745281387&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33745281387&partnerID=8YFLogxK

U2 - 10.1029/2005WR004455

DO - 10.1029/2005WR004455

M3 - Article

AN - SCOPUS:33745281387

VL - 42

JO - Water Resources Research

JF - Water Resources Research

SN - 0043-1397

IS - 5

M1 - W05415

ER -