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Hydrology, Volume 12, Issue 7

July 2025 - 35 articles

Cover Story: Groundwater resources worldwide are facing a decline in hydraulic heads due to the combined impacts of urbanization and climate forcings. This study evaluated the impact of these two forcings on groundwater resources during the Pre- and Post-Urbanization Periods (PreUP:1980–1988; PostUP:2000–2008) within a multi-layer aquifer system. Our findings indicate a significant decrease in hydraulic heads of about 5 m from the PreUP to PostUP in the unconfined aquifer, influenced by land use and climate change. In contrast, the average head decline in deep confined aquifers is about 4 m and is mainly influenced by long-term climatic variations. The impervious land use types experienced greater declines in hydraulic heads than permeable areas due to impeded groundwater recharge, which exacerbates the climate variability effect. View this paper
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Articles (35)

  • Article
  • Open Access
761 Views
24 Pages

The Yellow River is a renowned sediment-laden river and analyzing its water–sediment evolution characteristics and trends is critical for rational water resource utilization and water security. Using annual runoff and sediment transport data fr...

  • Article
  • Open Access
2 Citations
2,213 Views
20 Pages

Impacts of Urbanization and Climate Variability on Groundwater Environment in a Basin Scale

  • Olawale Joshua Abidakun,
  • Mitsuyo Saito,
  • Shin-ichi Onodera and
  • Kunyang Wang

Globally, groundwater resources are experiencing a decline in hydraulic heads resulting from the dual effects of urbanization and climate change, highlighting the need for integrated and sustainable water resources management. Urban development in th...

  • Article
  • Open Access
1 Citations
1,154 Views
25 Pages

Flooding is a recurrent natural hazard in Romania, causing significant socio-economic impacts. Historical data highlights the severity of floods, particularly the unprecedented flood of 1926. Between 1960 and 2010, Romania experienced over 400 major...

  • Article
  • Open Access
1,094 Views
31 Pages

In data-scarce regions and ungauged basins, remotely sensed evapotranspiration (ET) products are increasingly employed to support hydrological model calibration. In this study, a high-resolution hydrological model was developed for the Upper Anthemou...

  • Article
  • Open Access
783 Views
19 Pages

The advent of machine learning (ML) has significantly transformed hydrology, particularly in the simulation of hydrological flows. However, ML techniques have not been employed to the same extent in stochastic hydrology. In applied sciences, the most...

  • Article
  • Open Access
1,323 Views
14 Pages

A Paleo-Perspective of 21st Century Drought in the Hron River (Slovakia)

  • Igor Leščešen,
  • Abel Andrés Ramírez Molina and
  • Glenn Tootle

The Hron River is a vital waterway in central Slovakia. In evaluating observed streamflow records for the past ~90 years, the Hron River displayed historically low hydrologic summer (April–May–June–July–August–September...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,561 Views
22 Pages

This study develops a numerical model to simulate groundwater flow and contaminant transport in a “typical hydrogeological environment” of northern New Jersey, addressing freshwater decline. Focusing on the Lower Passaic water management...

  • Feature Paper
  • Article
  • Open Access
5 Citations
3,261 Views
19 Pages

Deep Learning-Based Daily Streamflow Prediction Model for the Hanjiang River Basin

  • Jianze Huang,
  • Jialang Chen,
  • Haijun Huang and
  • Xitian Cai

The sharp decline in streamflow prediction accuracy with increasing lead times remains a persistent challenge for effective water resources management and flood mitigation. In this study, we developed a coupled deep learning model for daily streamflo...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,187 Views
25 Pages

Comparative Analysis of Satellite-Based Rainfall Products for Drought Assessment in a Data-Poor Region

  • Hansini Gayanthika,
  • Dimuthu Lakshitha,
  • Manthika Chathuranga,
  • Gouri De Silva and
  • Jeewanthi Sirisena

Drought is one of the most impactful natural disasters, and it significantly impacts three main sectors of a country: the environment, society, and the economy. Therefore, drought assessment and monitoring are essential for reducing vulnerability and...

  • Article
  • Open Access
1,833 Views
17 Pages

Monitoring the Impacts of Human Activities on Groundwater Storage Changes Using an Integrated Approach of Remote Sensing and Google Earth Engine

  • Sepide Aghaei Chaleshtori,
  • Omid Ghaffari Aliabad,
  • Ahmad Fallatah,
  • Kamil Faisal,
  • Masoud Shirali,
  • Mousa Saei and
  • Teodosio Lacava

Groundwater storage refers to the water stored in the pore spaces of underground aquifers, which has been increasingly affected by both climate change and anthropogenic activities in recent decades. Therefore, monitoring their changes and the factors...

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Hydrology - ISSN 2306-5338