Publications related to the GRACE Missions (no abstracts)

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Terrestrial water storage and Pacific SST affect the monthly water balance of Itacaiúnas River Basin (Eastern Amazonia)

Cavalcante, Rosane B. L., Pontes, Paulo R. M., Tedeschi, Renata G., Costa, Cláudia P. W., Ferreira, Douglas B. S., Souza-Filho, Pedro W. M., and de Souza, Everaldo B., 2020. Terrestrial water storage and Pacific SST affect the monthly water balance of Itacaiúnas River Basin (Eastern Amazonia). International Journal of Climatology, 40(6):3021–3035, doi:10.1002/joc.6380.

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@ARTICLE{2020IJCli..40.3021C,
       author = {{Cavalcante}, Rosane B.~L. and {Pontes}, Paulo R.~M. and {Tedeschi}, Renata G. and {Costa}, Cl{\'a}udia P.~W. and {Ferreira}, Douglas B.~S. and {Souza-Filho}, Pedro W.~M. and {de Souza}, Everaldo B.},
        title = "{Terrestrial water storage and Pacific SST affect the monthly water balance of Itacai{\'u}nas River Basin (Eastern Amazonia)}",
      journal = {International Journal of Climatology},
         year = 2020,
        month = may,
       volume = {40},
       number = {6},
        pages = {3021-3035},
     abstract = "{At subannual timescales, terrestrial water storage (TWS) plays a
        critical role in the partitioning of precipitation into runoff
        and evapotranspiration, and Amazonia stands out due to the great
        amplitude of the annual cycles. In this study, we analyse the
        monthly variation of the water balance and extreme hydrological
        events using GRACE data for a watershed situated in the ``arc-
        of-deforestation'' in the Eastern Brazilian Legal Amazon. The
        existence of a correlation and lag time response between the
        monthly sea surface temperatures in the Pacific and North
        Atlantic and the variables of the water balance were also
        investigated. The results showed a weak seasonal cycle of
        evapotranspiration, with higher water intercepted by the
        vegetation canopy in the rainy season and higher potential
        evapotranspiration supplied by TWS in the dry season. The lowest
        value of water storage was reached in December 2015 during the
        strongest El Ni{\~n}o event observed in the analysed period
        (2002-2016). This value impacted the streamflow for at least the
        entire rainy season. The correlation analysis showed that
        positive anomalies of the Ni{\~n}o 3.4 index from October to
        March caused a significant decrease in precipitation in the
        following March to May and in November, a significant increase
        in the reference evapotranspiration in April and May, and longer
        lasting effects on the streamflow and TWS. Although the
        underlying mechanisms contributing to the time delays remain
        incompletely understood, the results indicate that consideration
        of the ENSO influence on the water balance and of the TWS
        influence on streamflow would improve flood and drought
        forecasts with benefits for water management.}",
          doi = {10.1002/joc.6380},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2020IJCli..40.3021C},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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