WiseWoodhouseMccabeEtAl2018

Référence

Wise, E.K., Woodhouse, C.A., Mccabe, G.J., Pederson, G.T. and St-Jacques, J.-M. (2018) Hydroclimatology of the missouri river basin. Journal of Hydrometeorology, 19(1):161-182. (Scopus )

Résumé

Despite the importance of the Missouri River for navigation, recreation, habitat, hydroelectric power, and agriculture, relatively little is known about the basic hydroclimatology of the Missouri River basin (MRB). This is of particular concern given the droughts and floods that have occurred over the past several decades and the potential future exacerbation of these extremes by climate change. Here, observed and modeled hydroclimatic data and estimated natural flow records in theMRB are used to 1) assess themajor source regions of MRBflow, 2) describe the climatic controls on streamflow in the upper and lower basins, and 3) investigate trends over the instrumental period. Analyses indicate that 72% of MRB runoffis generated by the headwaters in the upper basin and by the lowest portion of the basin near themouth. Spring precipitation and temperature and winter precipitation impacted by changes in zonal versus meridional flow from the PacificOcean play key roles in surface water supply variability in the upper basin. Lower basin flow is significantly correlated with precipitation in late spring and early summer, indicative of Atlantic-influenced circulation variability affecting the flow of moisture from the Gulf of Mexico. Although increases in precipitation in the lower basin are currently overriding the effects of warming temperatures on totalMRBflow, the upper basin's long-term trend toward decreasing flows, reduction in snow versus rain fraction, and warming spring temperatures suggest that the upper basin may less often provide important flow supplements to the lower basin in the future. © 2018 American Meteorological Society.

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@ARTICLE { WiseWoodhouseMccabeEtAl2018,
    AUTHOR = { Wise, E.K. and Woodhouse, C.A. and Mccabe, G.J. and Pederson, G.T. and St-Jacques, J.-M. },
    TITLE = { Hydroclimatology of the missouri river basin },
    JOURNAL = { Journal of Hydrometeorology },
    YEAR = { 2018 },
    VOLUME = { 19 },
    NUMBER = { 1 },
    PAGES = { 161-182 },
    NOTE = { cited By 0 },
    ABSTRACT = { Despite the importance of the Missouri River for navigation, recreation, habitat, hydroelectric power, and agriculture, relatively little is known about the basic hydroclimatology of the Missouri River basin (MRB). This is of particular concern given the droughts and floods that have occurred over the past several decades and the potential future exacerbation of these extremes by climate change. Here, observed and modeled hydroclimatic data and estimated natural flow records in theMRB are used to 1) assess themajor source regions of MRBflow, 2) describe the climatic controls on streamflow in the upper and lower basins, and 3) investigate trends over the instrumental period. Analyses indicate that 72% of MRB runoffis generated by the headwaters in the upper basin and by the lowest portion of the basin near themouth. Spring precipitation and temperature and winter precipitation impacted by changes in zonal versus meridional flow from the PacificOcean play key roles in surface water supply variability in the upper basin. Lower basin flow is significantly correlated with precipitation in late spring and early summer, indicative of Atlantic-influenced circulation variability affecting the flow of moisture from the Gulf of Mexico. Although increases in precipitation in the lower basin are currently overriding the effects of warming temperatures on totalMRBflow, the upper basin's long-term trend toward decreasing flows, reduction in snow versus rain fraction, and warming spring temperatures suggest that the upper basin may less often provide important flow supplements to the lower basin in the future. © 2018 American Meteorological Society. },
    AFFILIATION = { Department of Geography, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States; School of Geography and Development, The University of Arizona, Tucson, AZ, United States; Denver Federal Center, U.S. Geological Survey, Denver, CO, United States; Northern Rocky Mountain Science Center, U.S. Geological Survey, Bozeman, MT, United States; Concordia University, Montreal, QC, Canada },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1175/JHM-D-17-0155.1 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85041057784&doi=10.1175%2fJHM-D-17-0155.1&partnerID=40&md5=930adfb04e4e50a047675560803ccc92 },
}

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