Evidence map›Paper›PMID 42272490›Full record

ArticleFundamental research2026

Decreasing groundwater temperature relieves seawater intrusion in coastal aquifers.

Pei Xin, Li Pu, Congcong Lao, Xiayang Yu, Yan Bo, Feng Zhou, Saiyu Yuan, Hongwu Tang, Ling Li

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In one paragraph

Article in Fundamental research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

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0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Pei XinThe National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210024, China.
Li PuThe National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210024, China.
Congcong LaoThe National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210024, China.
Xiayang YuThe National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210024, China.
Yan BoLaboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
Feng ZhouLaboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
Saiyu YuanThe National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210024, China.
Hongwu TangThe National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210024, China.
Ling LiSchool of Engineering, Westlake University, Hangzhou 310030, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Fresh submarine groundwater discharge (FSGD), as an important natural and renewable water resource, occurs along much of the global coast but finally gets lost into the sea. Exploiting FSGD, however, could induce seawater intrusion in coastal aquifers. Here, we show that decreasing groundwater temperature (by extracting fresh groundwater from and recharging cooled and more viscous water back into coastal aquifers) can relieve seawater intrusion and lead to safe exploitation of FSGD, based on laboratory experiments and numerical simulations. The performance of groundwater cooling can be approximately quantified by an analytical solution which shows its dependence on the FSGD extraction ratio and temperature contrast. The seawater retreat ratio (ratio of the seawater retreat distance to the length of seawater intrusion prior to water extraction) can reach 47.4% with groundwater cooling and without fresh groundwater exploitation. Furthermore, without incurring further seawater intrusion, groundwater cooling can lead to 35.7% FSGD exploitation.

Indexed as

AquiferHeat conductionSeawater intrusionStorage and recoverySubmarine groundwater discharge

Identifiers

PMID42272490
PMCPMC13247485

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LicenceCC BY-NC-ND
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.