@Article{Wang2021,
author="Wang, Q.
and Zeng, J.
and Qi, J.
and Zhang, X.
and Zeng, Y.
and Shui, W.
and Xu, Z.
and Zhang, R.
and Wu, X.
and Cong, J.",
title="A multi-scale daily SPEI dataset for drought characterization at observation stations over  mainland China from 1961 to 2018",
journal="Earth Syst. Sci. Data",
year="2021",
month="Feb",
day="11",
publisher="Copernicus Publications",
volume="13",
number="2",
pages="331--341",
issn="1866-3516",
doi="10.5194/essd-13-331-2021",
url="https://essd.copernicus.org/articles/13/331/2021/",
url="https://essd.copernicus.org/articles/13/331/2021/essd-13-331-2021.pdf",
url="https://doi.org/10.5194/essd-13-331-2021"
}