Water resources are critical to the sustainability of life on Earth. With a growing population
and climate change, it is imperative to assess the security of these resources. Over the past …

The Gravity Recovery and Climate Experiment (GRACE) satellite mission, which was in
operation from March 2002 to June 2017, was the first remote sensing mission to provide …

Drought is a severe and chronic natural hazard that deeply affects production and
livelihoods. Its characteristics and propagation have been extensively discussed, but the …

Assessing reliability of global models is critical because of increasing reliance on these
models to address past and projected future climate and human stresses on global water …

Groundwater is an increasingly important water supply source globally. Understanding the
amount of groundwater used versus the volume available is crucial to evaluate future water …

Stable isotope ratios of hydrogen and oxygen have been applied to water cycle research for
over 60 years. Over the past two decades, however, new data, data compilations, and …

Abstract The Prediction in Ungauged Basins (PUB) initiative of the International Association
of Hydrological Sciences (IAHS), launched in 2003 and concluded by the PUB Symposium …

In this study, we use observations from the Gravity Recovery and Climate Experiment
(GRACE) satellite mission to evaluate freshwater storage trends in the north‐central Middle …

Global change encompasses changes in the characteristics of inter-related climate variables
in space and time, and derived changes in terrestrial processes, including human activities …

The authors propose a new climatic drought index: the standardized precipitation
evapotranspiration index (SPEI). The SPEI is based on precipitation and temperature data …