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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)

  • Review
  • Open Access
1,700 Views
29 Pages

Half-Century Review and Advances in Closed-Form Functions for Estimating Soil Water Retention Curves

  • Ali Rasoulzadeh,
  • Javad Bezaatpour,
  • Javanshir Azizi Mobaser and
  • Jesús Fernández-Gálvez

This review provides a comprehensive overview of the closed-form expressions developed for estimating the soil water retention curve (SWRC) from 1964 to the present. Since the concept of the SWRC was introduced in 1907, numerous closed-form functions...

  • Article
  • Open Access
1,168 Views
14 Pages

Refining Rainfall Derived from Satellite Radar for Estimating Inflows at Lam Pao Dam, Thailand

  • Nathaporn Areerachakul,
  • Jaya Kandasamy,
  • Saravanamuthu Vigneswaran and
  • Kittitanapat Bandhonopparat

This project aimed to evaluate the use of meteorological satellite-derived rainfall data to estimate water inflows to dams. In this study, the Lam Pao Dam in the Chi Basin, Thailand, was used as a case study. Rainfall data were obtained using the PER...

  • Article
  • Open Access
1 Citations
1,404 Views
30 Pages

Addressing Weather Data Gaps in Reference Crop Evapotranspiration Estimation: A Case Study in Guinea-Bissau, West Africa

  • Gabriel Garbanzo,
  • Jesus Céspedes,
  • Marina Temudo,
  • Tiago B. Ramos,
  • Maria do Rosário Cameira,
  • Luis Santos Pereira and
  • Paula Paredes

Crop water use (ETc) is typically estimated as the product of crop evapotranspiration (ETo) and a crop coefficient (Kc). However, the estimation of ETo requires various meteorological data, which are often unavailable or of poor quality, particularly...

  • Article
  • Open Access
2 Citations
2,465 Views
29 Pages

Groundwater is the main source of water for both domestic and agricultural use in arid regions. This study assessed the hydrogeochemical characteristics and suitability of groundwater for drinking and irrigation in Kenya’s Ewaso Ng’iro&nd...

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Hydrology - ISSN 2306-5338