@article{daiincreasing2013,
  title={Increasing drought under global warming in observations and models},
  author={Aiguo Dai},
  journal={Nature Climate Change},
  volume={3},
  number={1},
  pages={52-58},
  year={2013},
  doi={10.1038/nclimate1633},
  url={http://dx.doi.org/10.1038/nclimate1633}
}