Details zur Publikation |
| Kategorie | Textpublikation |
| Referenztyp | Zeitschriften |
| DOI | 10.1126/sciadv.ady2322 |
Lizenz  |
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| Titel (primär) | Paleo–salt water dominates coastal aquifer salinization: A continental-scale study in China |
| Autor | Zheng, T.; Guo, B.; Chang, Q.; Sun, Q.; Chen, X.; Zheng, X.; Wu, J.; Zheng, Z.; Gao, S.; Zheng, C.; Liu, J.; Wang, D.; Liu, T.; Liu, X.; Chen, G.; Xu, X.; Zhang, B.; Zhang, L.; Wu, Y.; Kolditz, O.
; Luo, J.; Guadagnini, A. |
| Quelle | Science Advances |
| Erscheinungsjahr | 2026 |
| Department | ENVINF |
| Band/Volume | 12 |
| Heft | 21 |
| Seite von | eady2322 |
| Sprache | englisch |
| Topic | T8 Georesources |
| Daten-/Softwarelinks | https://doi.org/10.5281/zenodo.18417421 |
| Supplements | Supplement 1 |
| Abstract | Seawater intrusion poses a major threat to
freshwater resources in coastal aquifers worldwide. In China alone,
these types of aquifers provide a vital groundwater source for nearly
400 million people. Whereas modern seawater intrusion is often
attributed to human activities and climate change, the role of
paleo–salt water remains poorly quantified. This continental-scale
investigation of seawater intrusion in China reveals that paleo–salt
water, not modern seawater, dominates salinity patterns in large
sedimentary basins. Analysis of over 2100 water samples shows a strong
correlation between intrusion and tectonic subsidence zones, with
paleo–salt water affecting 66% of the observed salinized areas. In
northern coastal plains, paleo–salt water trapped in confined aquifers
is characterized by salinity levels exceeding 144.6 grams per liter,
whereas modern seawater intrusion (34%) occurs in hilly regions with
thinner sediments. Isotopic signatures (δ18O) trace
paleo–salt water intrusion to Quaternary sea level changes. These
findings improve seawater intrusion source identification and inform
global salinity management. |
| Zheng, T., Guo, B., Chang, Q., Sun, Q., Chen, X., Zheng, X., Wu, J., Zheng, Z., Gao, S., Zheng, C., Liu, J., Wang, D., Liu, T., Liu, X., Chen, G., Xu, X., Zhang, B., Zhang, L., Wu, Y., Kolditz, O., Luo, J., Guadagnini, A. (2026): Paleo–salt water dominates coastal aquifer salinization: A continental-scale study in China Sci. Adv. 12 (21), eady2322 10.1126/sciadv.ady2322 |
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