| Records |
| Author |
Mahindawansha, A.; Külls, C.; Kraft, P.; Breuer, L. |
| Title |
Estimating water flux and evaporation losses using stable isotopes of soil water from irrigated agricultural crops in tropical humid regions |
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Journal Article |
| Year |
2019 |
Publication |
Hydrology and Earth System Sciences Discussions |
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2019 |
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1-28 |
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THL @ christoph.kuells @ hess-2019-213 |
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105 |
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ElKashouty, M. |
| Title |
Groundwater quality distribution by geostatistical investigation (GIS), Nile Delta, Northern Egypt |
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Journal Article |
| Year |
2019 |
Publication |
J. Environ. Chem. Ecotoxicol. |
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11(1) |
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1-21 |
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CUT @ phaedon.kyriakidis @ ElKashouty2019 |
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110 |
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Kisi, O.; Melo, C.G.L. e.; Fischer, L.; Brandt, H.; Heims, L.; Loaec, A.; Masomy, W.; Parvez, M.; Roehl, J.; Külls, C. |
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Comments on “Machine learning-based time series models for effective CO2 emission prediction in India” by Kumari and Singh, https://doi. org/10.1007/s11356-022–21723-8 |
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Journal Article |
| Year |
2024 |
Publication |
Environmental Science and Pollution Research |
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1-4 |
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Springer Berlin Heidelberg Berlin/Heidelberg |
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THL @ christoph.kuells @ kisi2024comments |
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227 |
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Liu, F.; Wang, S.; Wang, L.; Shi, L.; Song, X.; Yeh, T.-C.J.; Zhen, P. |
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Coupling hydrochemistry and stable isotopes to identify the major factors affecting groundwater geochemical evolution in the Heilongdong Spring Basin, North China |
Type |
Journal Article |
| Year |
2019 |
Publication |
Journal of Geochemical Exploration |
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205 |
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Understanding the interference of natural processes and anthropogenic activities in geochemical evolution of groundwater is vital for groundwater sustainable management in water-stressed regions. This study is devoted to the identification of the main factors controlling the evolution of groundwater chemistry by the combined use of hydrogeochemical indicators along with isotope tracers in the Heilongdong Spring Basin, North China. Thirty-nine groundwater samples and twelve surface water samples were collected, and major ions and stable isotopes were measured during the two campaigns (December 2017 and August 2018). The isotope approach indicates that the groundwater is recharged by precipitation infiltration after evaporation, and interacts with surface water along preferential flow paths in fault zones and karst conduits. Currently, the main chemical facies of groundwater evolve from Ca-HCO3 and Ca-Mg-HCO3 types with low TDS, through Ca-Mg-HCO3-SO4 and Ca-HCO3-SO4 types with moderate TDS, to Ca-SO4, Ca-SO4-Cl and CaCl types with high TDS. Apart from natural processes (involving dissolution/precipitation of minerals, cation exchange, and evaporation) regulating the groundwater quality, the stagnant zones also play a crucial role in the formation of severe localized nitrate contamination. The deterioration in groundwater quality can be attributed to anthropogenic factors (including the change in groundwater exploitation, the leaching of solid waste, and the overuse of agricultural fertilizers). The high loads of agricultural fertilizers in irrigation return flows are likely to be the main contributor of the dissolved nitrate in groundwater. The findings of this work not only have important implications for groundwater sustainable utilization, but also could serve as a template for other rapidly industrialized and water-stressed regions. |
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English |
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0375-6742 |
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THL @ christoph.kuells @ Liu2019 |
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29 |
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Ali, R.; Salama, R.; Pollock, D.; Bates, L. |
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Geochemical interactions between groundwater and soil, groundwater recycling and evaporation in the ORIA |
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Book Whole |
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2002 |
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CSIRO Land and Water |
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no |
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THL @ luqianxue.zhang @ Ali2002 |
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50 |
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