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Hydrology, Volume 10, Issue 4

2023 April - 26 articles

Cover Story: In this work, a sensitivity analysis for the standardized precipitation-evapotranspiration and aridity indexes was carried out using three different PET models, namely the Penman–Monteith model, a temperature-based parametric model, and the Thornthwaite model. The analysis was undertaken in six gauge stations in the California region where long-term drought events have occurred. Having used the Penman–Monteith model as the PET model for estimating the standardized precipitation-evapotranspiration index, our findings highlight the presence of uncertainty in defining the severity of drought, especially for large timescales (12 months to 48 months), and that the PET parametric model is a preferable model to the Thornthwaite model for both the standardized precipitation-evapotranspiration index and the aridity indexes. View this paper
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Articles (26)

  • Article
  • Open Access
3 Citations
6,947 Views
11 Pages

Impact of Gravel Pits on Water Quality in Alluvial Aquifers

  • Igor Karlović,
  • Tamara Marković,
  • Andrew C. Smith and
  • Krešimir Maldini

Gravel pits are considered potentially hazardous in terms of groundwater quality protection as they represent an open part of the aquifer system, increasing the aquifer’s vulnerability to contamination from the surface. The aim of this research...

  • Article
  • Open Access
2,240 Views
12 Pages

Thermally Enhanced Spreading of Miscible Plumes in Porous Media

  • Ryan G. Tigera,
  • Whitney L. Benson and
  • David C. Mays

In situ groundwater remediation often calls for a chemical or biological amendment to be injected as an aqueous solution into a contaminated groundwater aquifer. Accordingly, remediation depends on mixing the amendment into the contaminated groundwat...

  • Article
  • Open Access
3 Citations
3,196 Views
12 Pages

This study aimed to investigate how sustainable forest management can affect litter hydrological properties. We investigated the net precipitation, litter mass, water-holding capacity, effective water-holding and retention capacity, maximum water ret...

  • Article
  • Open Access
12 Citations
10,370 Views
17 Pages

Mapping Projected Variations of Temperature and Precipitation Due to Climate Change in Venezuela

  • Jesús A. Viloria,
  • Barlin O. Olivares,
  • Pedro García,
  • Franklin Paredes-Trejo and
  • Aníbal Rosales

The impacts of climate change will not be homogeneous in all countries or between regions within each country. Mapping projected changes in temperature and precipitation is crucial for formulating region-specific agricultural adaptation measures. The...

  • Article
  • Open Access
14 Citations
4,156 Views
18 Pages

Having a complete hydrological time series is crucial for water-resources management and modeling. However, this can pose a challenge in data-scarce environments where data gaps are widespread. In such situations, recurring data gaps can lead to unfa...

  • Article
  • Open Access
5 Citations
4,139 Views
19 Pages

In the upper and middle reaches of rivers in Japan, river channels used to meander in a comparatively narrow floodplain and heavy rain runoff used to naturally expand over the entire floodplain, retarding floods toward the downstream. Recent continuo...

  • Article
  • Open Access
9 Citations
4,013 Views
20 Pages

Temporal Variations in Temperature and Moisture Soil Profiles in a Mediterranean Maquis Forest in Greece

  • Athanassios Bourletsikas,
  • Nikolaos Proutsos,
  • Panagiotis Michopoulos and
  • Ioannis Argyrokastritis

Soil moisture (SM) and temperature (ST) are critical factors in forest eco-hydrological research. In this study, we investigated the inter- and intra-annual changes in SM and ST profiles in a mixed Mediterranean maquis forest stand together with soil...

  • Article
  • Open Access
6 Citations
2,808 Views
12 Pages

Best management practices (BMPs) are management operations that reduce pollution and improve water quality. This study assessed the spatial variability of BMPs effectiveness within the Yazoo River Watershed (YRW) using Soil and Water Assessment Tool...

  • Feature Paper
  • Article
  • Open Access
26 Citations
6,493 Views
27 Pages

Evaluation of Various Resolution DEMs in Flood Risk Assessment and Practical Rules for Flood Mapping in Data-Scarce Geospatial Areas: A Case Study in Thessaly, Greece

  • Nikolaos Xafoulis,
  • Yiannis Kontos,
  • Evangelia Farsirotou,
  • Spyridon Kotsopoulos,
  • Konstantinos Perifanos,
  • Nikolaos Alamanis,
  • Dimitrios Dedousis and
  • Konstantinos Katsifarakis

Floods are lethal and destructive natural hazards. The Mediterranean, including Greece, has recently experienced many flood events (e.g., Medicanes Zorbas and Ianos), while climate change results in more frequent and intense flood events. Accurate fl...

  • Article
  • Open Access
12 Citations
3,466 Views
18 Pages

Development of Multi-Inflow Prediction Ensemble Model Based on Auto-Sklearn Using Combined Approach: Case Study of Soyang River Dam

  • Seoro Lee,
  • Jonggun Kim,
  • Joo Hyun Bae,
  • Gwanjae Lee,
  • Dongseok Yang,
  • Jiyeong Hong and
  • Kyoung Jae Lim

Accurate prediction of dam inflows is essential for effective water resource management and dam operation. In this study, we developed a multi-inflow prediction ensemble (MPE) model for dam inflow prediction using auto-sklearn (AS). The MPE model is...

  • Article
  • Open Access
9 Citations
2,821 Views
17 Pages

Search for a Relevant Scale to Optimize the Quality Monitoring of Groundwater Bodies in the Occitanie Region (France)

  • Meryem Jabrane,
  • Abdessamad Touiouine,
  • Vincent Valles,
  • Abdelhak Bouabdli,
  • Said Chakiri,
  • Ismail Mohsine,
  • Youssouf El Jarjini,
  • Moad Morarech,
  • Yannick Duran and
  • Laurent Barbiero

In France, and more generally in Europe, the high number of groundwater bodies (GWB) per administrative region is an obstacle for the management and monitoring of water for human consumption by regional health agencies. Moreover, GWBs show a high spa...

  • Communication
  • Open Access
7 Citations
2,671 Views
10 Pages

Effects of the Time Period Length on the Determination of Long-Term Mean Annual Discharge

  • Jana Poórová,
  • Katarína Jeneiová,
  • Lotta Blaškovičová,
  • Zuzana Danáčová,
  • Katarína Kotríková,
  • Katarína Melová and
  • Zuzana Paľušová

Currently, the 40-year-long reference period 1961–2000 is used in Slovakia for systematic assessment of the hydrological regime. The World Meteorological Organization recommends unifying the climatic normal 1991–2020 with a reference peri...

  • Feature Paper
  • Article
  • Open Access
3 Citations
4,323 Views
22 Pages

Hydrological modeling of large river basins and flood plains continues to be challenged by the low availability and quality of observed data for modeling input and model calibration. Global datasets are often used to bridge this gap, but are often di...

  • Article
  • Open Access
15 Citations
2,971 Views
15 Pages

Simulation of Surface and Subsurface Water Quality in Hyper-Arid Environments

  • Ahmed Mohamed,
  • Ahmed Asmoay,
  • Saad S. Alarifi and
  • Musaab A. A. Mohammed

Forty-eight water samples (30 groundwater and 18 surface water samples) were collected from the study region. Physical and chemical examinations were performed on the water samples to determine the values of various variables. Several graphs, sheets,...

  • Article
  • Open Access
22 Citations
7,785 Views
17 Pages

Influence of Dissolved Oxygen, Water Level and Temperature on Dissolved Organic Carbon in Coastal Groundwater

  • Thilagavathi Rajendiran,
  • Chidambaram Sabarathinam,
  • Banajarani Panda and
  • Vetrimurugan Elumalai

The quality of groundwater has been severely impacted by urbanization around coasts. The change in climate and land use patterns has deteriorated the quality and availability of groundwater. One of the main issues in contemporary groundwater quality...

  • Article
  • Open Access
5 Citations
3,656 Views
15 Pages

Application of the Iber Two-Dimensional Model to Recover the Water Quality in the Lurín River

  • Omayra Luzmila Mori-Sánchez,
  • Lia Ramos-Fernández,
  • Willy Eduardo Lluén-Chero,
  • Edwin Pino-Vargas and
  • Lisveth Flores del Pino

The Lurín River is one of the main sources of water for the city of Lima. However, the discharge of domestic wastewater, the presence of dumps, and long periods of drought cause the deterioration of the water resource. In this study, DO, BOD5,...

  • Article
  • Open Access
7 Citations
3,459 Views
16 Pages

Soil–Water–Atmosphere Effects on Soil Crack Characteristics under Field Conditions in a Semiarid Climate

  • Jacques Carvalho Ribeiro Filho,
  • Eunice Maia de Andrade,
  • Maria Simas Guerreiro,
  • Helba Araújo de Queiroz Palácio and
  • José Bandeira Brasil

Soil’s physical and hydrological properties influence the proper modeling, planning, and management of water resources and soil conservation. In areas of vertic soils subjected to wetting and drying cycles, the soil–water–atmosphere...

  • Article
  • Open Access
4 Citations
2,969 Views
23 Pages

Investigating Nitrate with Other Constituents in Groundwater in Two Contrasting Tropical Highland Watersheds

  • Feleke K. Sishu,
  • Seifu A. Tilahun,
  • Petra Schmitter and
  • Tammo S. Steenhuis

Nitrate is globally the most widespread and widely studied groundwater contaminant. However, few studies have been conducted in sub-Saharan Africa, where the leaching potential is enhanced during the rainy monsoon phase. The few monitoring studies fo...

  • Article
  • Open Access
1 Citations
3,027 Views
13 Pages

The Role of Water and Weathering Processes in Landslides in Hungarian Loess Sediments

  • Csilla Király,
  • Dóra Cseresznyés,
  • Norbert Magyar,
  • István Gábor Hatvani,
  • Tamás Egedy,
  • Zsuzsanna Szabó-Krausz,
  • Beatrix Udvardi,
  • Gergely Jakab,
  • György Varga and
  • Zoltán Szalai

Loess-paleosol bluffs can be unstable, but in the course of urbanization, houses may be built in such locations to take advantage of the view. One factor affecting the stability of such bluffs is water, the role of which in mass movements is well est...

  • Article
  • Open Access
13 Citations
4,507 Views
21 Pages

The long-term variability of lacustrine dynamics is influenced by hydro-climatological factors that affect the depth and spatial extent of water bodies. The primary objective of this study is to delineate lake area extent, utilizing a machine learnin...

  • Article
  • Open Access
5 Citations
3,287 Views
16 Pages

The productivity of metamorphic aquifers is generally lower than that of the more common alluvial and carbonates ones. However, in some Mediterranean areas, such as the Calabria region (Italy), water scarcity combined with the presence of extensive m...

  • Article
  • Open Access
11 Citations
7,421 Views
13 Pages

Comparison between the Effects of Normal Rain and Acid Rain on Calcareous Stones under Laboratory Simulation

  • Indira Rodríguez,
  • Almudena Ortiz,
  • Pablo Caldevilla,
  • Sara Giganto,
  • Gabriel Búrdalo and
  • María Fernández-Raga

Acid rain is a problem that despite efforts to reduce atmospheric pollution, continues to impact not only countries where there is a high production of pollutants, but also transboundary areas to which the pollutants are transported. In addition to i...

  • Article
  • Open Access
30 Citations
4,730 Views
14 Pages

Scour Reduction around Bridge Pier Using the Airfoil-Shaped Collar

  • Lav Kumar Gupta,
  • Manish Pandey,
  • P. Anand Raj and
  • Jaan H. Pu

Scouring around the bridge pier is a natural and complex phenomenon that results in bridge failure. Failure of bridges have potential devastation and public safety and economic loss, which lead to political consequences and environmental impacts. The...

  • Feature Paper
  • Article
  • Open Access
8 Citations
6,330 Views
20 Pages

Comprehensive Analysis of Hydrological Processes in a Programmable Environment: The Watershed Modeling Framework

  • Nicolás Velásquez,
  • Jaime Ignacio Vélez,
  • Oscar D. Álvarez-Villa and
  • Sandra Patricia Salamanca

Distributed hydrological modeling has increased its popularity in the community, leading to the development of multiple models with different approaches. However, the rapid growth has also opened a gap between models, interfaces, and advanced users....

  • Article
  • Open Access
4 Citations
2,564 Views
9 Pages

Current streamflow timing metrics, such as the center of volume, or COV, use flow days, which are days at which a specific total streamflow volume, such as 50% for COV, has passed a given point. These metrics have been used as indicators for changes...

  • Feature Paper
  • Article
  • Open Access
8 Citations
4,379 Views
12 Pages

Utilization of Tryptophan-like Fluorescence as a Proxy for E. coli Contamination in a Mixed-Land-Use Karst Basin

  • Ryan T. Dapkus,
  • Alan E. Fryar,
  • Benjamin W. Tobin,
  • Diana M. Byrne,
  • Shishir K. Sarker,
  • Leonie Bettel and
  • James F. Fox

Karst aquifers are susceptible to contamination by pathogenic microorganisms, such as those found in human and animal waste, because the surface and subsurface drainage are well integrated through dissolution features. Fecal contamination of water is...

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Hydrology - ISSN 2306-5338