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Long-term water budget imbalances and error sources for cold region drainage basins

Wang, Shusen, Huang, Jianliang, Yang, Daqing, Pavlic, Goran, and Li, Junhua, 2015. Long-term water budget imbalances and error sources for cold region drainage basins. Hydrological Processes, 29(9):2125–2136, doi:10.1002/hyp.10343.

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@ARTICLE{2015HyPr...29.2125W,
       author = {{Wang}, Shusen and {Huang}, Jianliang and {Yang}, Daqing and {Pavlic}, Goran and {Li}, Junhua},
        title = "{Long-term water budget imbalances and error sources for cold region drainage basins}",
      journal = {Hydrological Processes},
         year = 2015,
        month = apr,
       volume = {29},
       number = {9},
        pages = {2125-2136},
     abstract = "{This study assessed the long-term (1979-2008) water budget closures for
        19 large cold region drainage basins in Canada using recently
        developed datasets for precipitation (P), land surface
        evapotranspiration and water surface evaporation, and observed
        streamflow. Total water storage (TWS) trends from the GRACE
        satellite observations were also used to assist the assessment.
        The objectives are to quantify the magnitudes and spatial
        patterns of the water budget imbalance
        ({\ensuremath{\varepsilon}}) and its source of errors for these
        cold region basins. Results showed that the water budget was
        closed within 10\% of the P on average for all the basins. The
        {\ensuremath{\varepsilon}} showed a general pattern of positive
        values in the south and negative values in the north and
        mountainous regions over the country. Basins with large
        {\ensuremath{\varepsilon}} values were mostly found in the
        north. Uncertainties in the water budget variables, particularly
        P, were found to play a major role in the
        {\ensuremath{\varepsilon}}. Significant trends in TWS were found
        over 11 basins, which accounted for 31\% of their
        {\ensuremath{\varepsilon}} on average. Improvements in the
        observation network, data quality assurance, and spatial models
        for P are critical for further improving the water budget
        closure for the cold region drainage basins.}",
          doi = {10.1002/hyp.10343},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015HyPr...29.2125W},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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