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Propagation dynamics from meteorological to groundwater drought and their possible influence factors

Han, Zhiming, Huang, Shengzhi, Huang, Qiang, Leng, Guoyong, Wang, Hao, Bai, Qingjun, Zhao, Jing, Ma, Lan, Wang, Lu, and Du, Meng, 2019. Propagation dynamics from meteorological to groundwater drought and their possible influence factors. Journal of Hydrology, 578:124102, doi:10.1016/j.jhydrol.2019.124102.

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@ARTICLE{2019JHyd..57824102H,
       author = {{Han}, Zhiming and {Huang}, Shengzhi and {Huang}, Qiang and {Leng}, Guoyong and {Wang}, Hao and {Bai}, Qingjun and {Zhao}, Jing and {Ma}, Lan and {Wang}, Lu and {Du}, Meng},
        title = "{Propagation dynamics from meteorological to groundwater drought and their possible influence factors}",
      journal = {Journal of Hydrology},
     keywords = {Groundwater drought, Meteorological drought, Drought propagation, Dynamic},
         year = 2019,
        month = nov,
       volume = {578},
          eid = {124102},
        pages = {124102},
     abstract = "{The propagation of meteorological drought in a complete water cycle is
        not limited to hydrological and agricultural droughts, but also
        involves groundwater drought. Moreover, the intensification of
        water cycle under the background of global warming may also
        affect the time of drought propagation. Therefore, studying the
        dynamic propagation and possible influence factors from
        meteorological to groundwater drought is helpful to monitor and
        assess the risk of groundwater drought. Here we use terrestrial
        water storage anomalies observations from the Gravity Recovery
        and Climate Experiment satellites and simulated soil moisture
        and runoff variations from the Global Land Data Assimilation
        System to show that the groundwater storage anomalies in the
        Pearl River Basin (PRB). The standardized precipitation index
        and drought severity index were used to characterize
        meteorological and groundwater drought, respectively. Results
        indicated that: (1) the propagation time of meteorological to
        groundwater drought in the PRB during 2002-2015 was 8 months,
        and that in spring and summer was shorter than that in autumn
        and winter; (2) the time of drought propagation has a
        significant deceasing trend (p < 0.01), indicating that the
        water cycle in the PRB was accelerating; (3) increasing soil
        moisture accelerates the response of groundwater to
        precipitation in the surplus period due to the stored-full
        runoff mechanism, whilst intensifying evapotranspiration rate
        and heat wave facilitate the drought propagation in the deficit
        period; (4) compared with Arctic Oscillation and El-Ni{\~n}o
        Southern Oscillation, Pacific Decadal Oscillation is the main
        driving force to accelerate drought propagation in the PRB.}",
          doi = {10.1016/j.jhydrol.2019.124102},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2019JHyd..57824102H},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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