North China (NC) is faced groundwater shortage in the past decades. To understand characteristics of Groundwater Storage (GWS) change NC, GWS Anomaly (GWSA) analyzed by using Independent Component Analysis (ICA) with high-resolution time-variable gravity field model Tongji-RegGrace2019 and hydrological models. According to spatiotemporal Components (ICs), driving factors corresponding mechanism...

To identify the causes of salinization and arsenic contamination of surface water on an embanked island (i.e., polder) in the tidal delta plain of SW Bangladesh we collected and analyzed water samples in the dry (May) and wet (October) seasons in 2012-2013. Samples were collected from rice paddies (wet season), saltwater ponds used for brine shrimp aquaculture (dry season), freshwater ponds and...

Soils overlying two porphyry Cu deposits (Spence, Gaby Sur) and the Pampa del Tamarugal, Atacama Desert, Northern Chile were collected in order to investigate the extent to which saline groundwaters influence ‘‘soil’’ chemistry in regions with thick Miocene and younger sediment cover. Soil carbonate (calcite) was analyzed for C and O isotopes and pedogenic gypsum for S isotopes. Soil calcite is...

The identification of the sources and fate of NO contaminants is important to protect the water quality of aquifer systems. In this study, NO contaminated groundwater from the drinking water wells in the Shijiazhuang area, China, was chemically (NO /Cl− ratio) and isotopically (δ15NNO3, δ18ONO3 and δ13CDOC; δ2HH2O, δ18OH2O) characterized to identify the sources of NO and address subsequent biog...

A distributed model for simulating the land surface hydrological processes in the Heihe river basin was developed and validated on the basis of considering the physical mechanism of hydrological cycle and the artificial system of water utilization in the basin. Modeling approach of every component process was introduced from 2 aspects, i.e., water cycle and energy cycle. The hydrological proces...

Hongjiannao groundwater exchange was the largest desert freshwater lake in China (57.25 km2 1986). However, it shrank sharply over past 34a (1986–2019), with smallest area 31.41 2015. The objective of this study to use Landsat images, ASTER GDEM V2 data, and meteorology statistics combination water balance model calculate dynamics elements, quantify characterize interannual variations lake-grou...