Publications related to the GRACE Missions (no abstracts)

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Identification of ENSO signature in the boreal hydrological cycle through canonical correlation with sea surface temperature anomalies

Zhang, Jinwei, Tourian, Mohammad J., and Sneeuw, Nico, 2020. Identification of ENSO signature in the boreal hydrological cycle through canonical correlation with sea surface temperature anomalies. International Journal of Climatology, 40(15):6219–6241, doi:10.1002/joc.6573.

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@ARTICLE{2020IJCli..40.6219Z,
       author = {{Zhang}, Jinwei and {Tourian}, Mohammad J. and {Sneeuw}, Nico},
        title = "{Identification of ENSO signature in the boreal hydrological cycle through canonical correlation with sea surface temperature anomalies}",
      journal = {International Journal of Climatology},
         year = 2020,
        month = dec,
       volume = {40},
       number = {15},
        pages = {6219-6241},
     abstract = "{An increasing number of studies suggest that climate change causes
        variation in the terrestrial water cycle. It is known that the
        precipitation as the source of water storage change on land and
        ocean is directly influenced by sea surface temperature (SST).
        At scales larger than, say, 350 km, such water storage variation
        can be monitored by the satellite gravimetry mission, the
        Gravity Recovery and Climate Experiment (GRACE). How the water
        cycle changes inter-annually in the boreal region and how the
        hydrological variables such as precipitation, evaporation, run-
        off and terrestrial water storage relate to El Nino Southern
        Oscillation Index (ENSO) are still unanswered questions. We
        explore the teleconnection patterns of the boreal hydrological
        cycle and climate change indicated by ENSO over 2003-2014. We
        use monthly total water storage changes derived from GRACE,
        precipitation, run-off and evaporation on a 1{\textdegree}
        {\texttimes} 1{\textdegree} grid, land surface temperature
        anomalies on a 0.5{\textdegree} {\texttimes} 0.5{\textdegree}
        grid and global SST anomalies with 5{\textdegree} resolution. We
        apply canonical correlation analysis to link all the
        hydrological variables to ENSO through SST to identify the
        implicit relationship between the hydrological cycle on land and
        ENSO. We identify significant correlations larger than 0.6
        between Nino 3.4 and each hydrological variable via SST. The
        associated spatial patterns indicate a clear ENSO signature in
        boreal catchments, especially Ob and Yenisei. ENSO correlates to
        abnormal increase of temperature in Ob, Yenisei and Lena. A
        notable ENSO-related increase of precipitation is found over Ob
        and a decrease over Lena and Yenisei. The negative water balance
        of Lena and Yenisei reveals a teleconnection between boreal
        water cycle and ENSO. In addition, the ENSO-associated modes
        from terrestrial variables are investigated with aid of cross
        wavelet coherency. The phase shifts obtained by cross
        correlation analysis and wavelet coherency maps indicate the
        response of boreal hydrological cycle with a 1-2 month lag to
        ENSO.}",
          doi = {10.1002/joc.6573},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2020IJCli..40.6219Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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