Article
Geosciences, Multidisciplinary
S. A. Hynek, W. H. McDowell, M. P. Bhatt, J. J. Orlando, S. L. Brantley
Summary: This study explores the impact of different types of rocks and fracture patterns on stream chemistry and regolith development. The results demonstrate the significant role of lithology and fracture patterns in dictating water flowpaths, stream chemistry, and regolith development in headwater catchments.
FRONTIERS IN EARTH SCIENCE
(2022)
Article
Environmental Sciences
M. Basilio Hazas, G. Marcolini, M. Castagna, M. Galli, T. Singh, B. Wohlmuth, G. Chiogna
Summary: The management of hydropower plants has a strong impact on the interaction between surface water and groundwater, especially during dry years and winter seasons. In the Alpine region, reservoir operations significantly affect the groundwater fluctuation, which is mainly influenced by specific hydrological year conditions. Under dry conditions, hydropeaking mainly affects the temporal dynamics of rivers and aquifers.
WATER RESOURCES RESEARCH
(2022)
Article
Environmental Sciences
Chinchu Mohan, Tom Gleeson, Tara Forstner, James S. S. Famiglietti, Inge de Graaf
Summary: The importance of ecosystem services in water resources management has led to a focus on environmental-flows requirements for moving waters. However, current management practices often overlook the contribution of groundwater and fail to consider its importance in environmental flows. This study presents two methods for estimating groundwater environmental flow contributions, one based on groundwater and the other on surface water. The methods were tested in British Columbia, Canada and showed comparable results, suggesting their potential applicability in data-scarce, hydrologically complex landscapes globally.
WATER RESOURCES RESEARCH
(2023)
Article
Water Resources
Dounia Dib, Nawel Ababsa, Dalila Addad, Kenza Kadi, Abdelkader Khiari, Mounia Oualdjaoui
Summary: The study aimed to demonstrate the importance of conservation protocols through the evolution of water chemistry. Analysis of ninety-nine samples representing three types of water (tap, spring, and mineral water) showed that pH and alkalinity were most vulnerable to time effects, while chloride and sulfate concentrations were less evolved. PCA analysis found that water type composition was a significant factor, with surface waters being excessively mineralized and groundwater showing variations in pH and magnesium parameters.
APPLIED WATER SCIENCE
(2021)
Article
Environmental Sciences
Claire Welty, Joel Moore, Daniel J. Bain, Mahdad Talebpour, John T. Kemper, Peter M. Groffman, Jonathan M. Duncan
Summary: Synoptic sampling provides insights into spatial distribution of dissolved constituents in urban watersheds. This study conducted six surveys in a highly developed Piedmont watershed using baseflow stream sampling, revealing spatially heterogeneous patterns of groundwater contaminant zones contributing to high stream concentrations. Sparse groundwater measurements were found to be a poor predictor of stream chemistry in this geologic setting. Cross-covariance analysis suggested that urban features drive spatial changes in baseflow solute concentrations. Legacy solute sources were identified as the main drivers of baseflow stream chemistry in the urban critical zone.
WATER RESOURCES RESEARCH
(2023)
Article
Engineering, Civil
Mohammad Daud Hamidi, Darren R. Grocke, Suneel Kumar Joshi, Hugh Christopher Greenwell
Summary: There are concerns about the sustainability of groundwater in Kabul due to rapid depletion. This study used stable isotopic analysis to determine the sources and rates of groundwater recharge. The results showed that precipitation was the main source of groundwater recharge, while river water and irrigation return flow also contributed. The contribution of river water to groundwater recharge varied spatially and with depth. The study highlights the importance of understanding the local water cycle for sustainable groundwater management.
JOURNAL OF HYDROLOGY
(2023)
Article
Biotechnology & Applied Microbiology
Tirumalesh Keesari, Manish Kumar Goyal, Brij Gupta, Nikhil Kumar, Anndasankar Roy, Uday Kumar Sinha, Rao Y. Surampalli, Tian C. Zhang, Ravi Kumar Goyal
Summary: The use of isotopes in water resource management is crucial, providing valuable insights into the source, origin, and distribution of groundwater. By studying hydrological processes, isotopic techniques enhance the understanding of water resources and contribute to sustainable management practices.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Engineering, Civil
Zhenglun Yang, Changyuan Tang, Shunichi Satake, Madoka Orimo, Koichiro Fukumoto, Yingjie Cao
Summary: An artificially constructed small limestone aquifer in Miyako Island, Japan, provides valuable insights into the hydrological connectivity and groundwater recharge process. The study reveals that coral limestone can be considered as a well-developed porous aquifer with heterogeneous hydrological connectivity in both spatial and vertical dimensions.
JOURNAL OF HYDROLOGY
(2023)
Article
Engineering, Civil
Allen June Buenavista, Chuan Wang, Yueqing Xie, Benjamin Gilfredder, Sven Frei, Pere Masque, Grzegorz Skrzypek, Shawan Dogramaci, James L. McCallum
Summary: Quantifying water flux between surface water and groundwater is crucial for water balance determination, surface water quality control, and sustainable allocation of water resources. By analyzing variations in 222Rn activity in sediments, water flow and residence times can be inferred. This study emphasizes the importance of accounting for upward flows in predicting groundwater exchange with surface water bodies.
JOURNAL OF HYDROLOGY
(2023)
Article
Engineering, Civil
Kyotaek Hwang, David G. Chandler, Christa A. Kelleher
Summary: This study investigates the regional and local controls on the hydrological and thermal regimes of wetlands in the St. Lawrence River Valley region of northern New York State. The results show that wetland temperatures are strongly influenced by regional atmospheric forcing and local groundwater offset. Particularly in summer, wetland temperatures exhibit significant spatial variability due to differences in groundwater availability influenced by hydrogeomorphic settings.
JOURNAL OF HYDROLOGY
(2023)
Article
Computer Science, Interdisciplinary Applications
Congjian Sun, Wei Chen, Yanjun Shen
Summary: This study investigated the spatiotemporal variations of chemical and stable isotope composition of groundwater in Shanxi province, revealing mild alkalinity in groundwater samples dominated by bicarbonate and sodium ions. Significant seasonal and spatial variations were observed, with higher TDS concentrations in the quick-flow season. Rock weathering was identified as the key controlling factor for groundwater chemistry, and nitrogen pollution caused by human activities was particularly significant in river valley basins.
EARTH SCIENCE INFORMATICS
(2021)
Article
Engineering, Civil
Xuan Yu, Zexuan Xu, Daniel Moraetis, Nikolaos P. Nikolaidis, Franklin W. Schwartz, Yu Zhang, Lele Shu, Christopher J. Duffy, Bingjun Liu
Summary: Submarine groundwater discharge significantly impacts coastal waters, but its variability is often challenging to compare due to various factors. Research on Crete Island in the Mediterranean Sea showed that fresh SGD contributes substantially to water flow into the Mediterranean, influenced by river mouths and precipitation.
JOURNAL OF HYDROLOGY
(2021)
Article
Engineering, Civil
Chanchai Petpongpan, Chaiwat Ekkawatpanit, Ryan T. Bailey, Duangrudee Kositgittiwong, Phayom Saraphirom
Summary: This study examines the spatio-temporal patterns of surface water-groundwater interactions in the Yom and Nan River basins in Thailand under different future climate conditions. The results show that increased air temperature and rainfall can lead to decreased groundwater recharge from surface water percolation, as well as reduced groundwater flow to rivers. However, the impact on aquifer recharge from rivers is minimal. The findings provide valuable insights into how future climate change can affect water supply in northern Thailand.
WATER RESOURCES MANAGEMENT
(2022)
Article
Geosciences, Multidisciplinary
F. Ziliotto, M. Basilio Hazas, M. Rolle, G. Chiogna
Summary: This study used high-resolution flow-through experiments to investigate transport processes in an aquifer affected by hydropeaking. The results showed that hydropeaking significantly enhances spreading and mixing in the subsurface, highlighting the importance of considering highly transient flow regimes in capturing transport and mixing-controlled biogeochemical reactions at the surface water - groundwater interface.
GEOPHYSICAL RESEARCH LETTERS
(2021)
Article
Environmental Sciences
Hedeff Essaid, James S. Kuwabara, Nicholas T. Corson-Dosch, James L. Carter, Brent R. Topping
Summary: This study examined the nutrient transport processes in lakes and the contributions of groundwater inflow and sediment release to internal nutrient loading. The results showed that groundwater inflow had a significant impact on phosphorus and silicon content in the lake, with spring being the peak period for nutrient absorption in the lake.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Ecology
Dagmar Frisch, Christophe Lejeusne, Masaki Hayashi, Mark T. Bidwell, Javier Sanchez-Fontenla, Andy J. Green
Summary: The study of Artemia franciscana populations in natural saline lakes of Saskatchewan, Canada revealed that geological history, water chemistry, lake size, and location influence genetic diversity. Mitochondrial marker CO1 indicated historical colonization processes, while nuclear markers were related to variation in hydrochemistry. Geochemistry plays a key role in intraspecific genetic variation and may promote isolation by environment, impacting dispersal via waterbirds.
FRESHWATER BIOLOGY
(2021)
Article
Water Resources
Laura R. Morgan, Masaki Hayashi, Edwin E. Cey
Summary: The study compares the hydrological processes under two common land uses in the Canadian prairies and examines their impact on groundwater recharge. Grazed grasslands have greater snowmelt runoff due to higher snow accumulation than croplands, which have shorter and more intense ET periods. Despite previous studies suggesting smaller snowmelt runoff in ungrazed grasslands, the research found only marginal differences in recharge rates between grazed grasslands and croplands.
HYDROLOGICAL PROCESSES
(2021)
Article
Water Resources
Aaron A. Mohammed, Edwin E. Cey, Masaki Hayashi, Michael Callaghan
Summary: The infiltrability of frozen soils plays a key role in snowmelt distribution and landscape hydrology processes. Simulations show that interactions between preferential flow and soil freezing processes have significant impacts on runoff and groundwater recharge in frozen soils.
HYDROLOGICAL PROCESSES
(2021)
Article
Environmental Sciences
Amro Negm, Polina Abdrakhimova, Masaki Hayashi, Kabir Rasouli
Summary: Small depressions in the Northern Prairies play a crucial role in groundwater recharge by receiving lateral inputs of snowmelt runoff. This study examines the effects of climate change on recharge rates using a hydrological model, showing that despite increased precipitation, mean annual recharge rates decreased due to complex interactions with a warmer and wetter climate in cold semiarid regions.
VADOSE ZONE JOURNAL
(2021)
Article
Water Resources
Victoria R. Propp, Susan J. Brown, Pamela Collins, James E. Smith, James W. Roy
Summary: The study successfully used artificial sweeteners to distinguish groundwater discharge areas influenced by historical landfill leachate and wastewater, and found that contaminant discharge patterns were strongly controlled by hyporheic flow and stream sinuosity, differing from past studies.
GROUND WATER MONITORING AND REMEDIATION
(2022)
Article
Geosciences, Multidisciplinary
James W. Roy, Genevieve Bordeleau, Christine Rivard, M. Cathryn Ryan, Xavier Malet, Susan J. Brown, Vincent Tremblay
Summary: This study investigates the use of P-TDG probes for long-term monitoring of methane-rich groundwater. The study finds that P-TDG probes provide a reasonable proxy for methane concentrations and reveal both long-term stability and short-term variability in methane concentrations.
HYDROGEOLOGY JOURNAL
(2022)
Article
Water Resources
Benjamin Roesky, Masaki Hayashi
Summary: Stream thermal regimes are crucial for freshwater habitat stability. This study explores the factors controlling the thermal regime of a mountain headwater stream and the surrounding groundwater processes, providing insights for adapting to stream temperature changes under a warming climate.
HYDROLOGICAL PROCESSES
(2022)
Article
Water Resources
Moritz Feigl, Benjamin Roesky, Mathew Herrnegger, Karsten Schulz, Masaki Hayashi
Summary: This study presents a method and workflow for analyzing errors in process-based models to improve process understanding and prediction. By using machine learning models and explanatory analysis, model errors can be predicted and grouped, leading to hypotheses on error generation. In a case study of a mountain stream model, clustering analysis resulted in three distinct error groups related to shading and vegetation radiation. These findings enhance trust in implemented processes and provide valuable information for model improvement.
HYDROLOGICAL PROCESSES
(2022)
Article
Engineering, Civil
Kyle Robinson, Clare E. Robinson, James W. Roy, Meghan Vissers, Angelos Almpanis, Uwe Schneidewind, Christopher Power
Summary: This study demonstrates the value of DC-IP imaging, in both 3D and high-resolution, for characterizing streambed architecture and interpreting groundwater-surface water exchange patterns. It shows that DC-IP imaging can provide rapid, non-invasive, and continuous information on streambed lithology and its control on GW-SW exchanges, which has been underutilized in previous investigations.
JOURNAL OF HYDROLOGY
(2022)
Article
Engineering, Civil
Meghan A. Vissers, James W. Roy, Adam G. Yates, Kyle Robinson, Sabina Rakhimbekova, Clare E. Robinson
Summary: Streambed sediment and groundwater are important sources of soluble reactive phosphorus (SRP) in freshwater catchments. This study evaluates the variability and controls on porewater SRP in an agricultural streambed, finding high SRP concentrations in low groundwater discharge zones and a link to iron and manganese redox cycling. Temporal variability in porewater SRP was observed, but no distinct seasonal changes were observed along the stream reach.
JOURNAL OF HYDROLOGY
(2023)
Article
Ecology
L. K. Banks, I. Lavoie, M. P. Boreux, S. L. Kroeze, N. Gotkowski, C. E. Robinson, J. W. Roy, A. G. Yates
Summary: This study assessed the association between groundwater and stream biofilm communities and processes in a headwater stream network in southern Ontario, Canada. The results showed that seasonal variation played a significant role in driving diatom assemblage composition and cellulose decomposition. However, there was no association between groundwater input and stream biofilm condition, suggesting surface water influences may have overwhelmed the groundwater signal at the reach scale.
Article
Water Resources
Masaki Hayashi, Garth van der Kamp
Summary: Canadian hydrologists have made significant contributions to the scientific understanding of groundwater flow in the hydrologic cycle. This article focuses on the major episodes that have made fundamental contributions to groundwater hydrology, rather than providing a comprehensive review of all Canadian advances in groundwater research. The researchers have established a new conceptual framework and mathematical tools to describe groundwater flow systems, and their work has expanded the scope of groundwater hydrology to include the interaction of surface water and groundwater, as well as the interaction between hydrological and ecological systems.
CANADIAN WATER RESOURCES JOURNAL
(2023)
Article
Environmental Sciences
Tammy Hua, Victoria R. Propp, Christopher Power, Susan J. Brown, Pamela Collins, James E. Smith, James W. Roy
Summary: This study investigated the exposure of different aquatic organisms to contaminants from a historic landfill plume in a pond. The findings showed that the plume had a significant and variable impact on the various ecological zones of the pond, highlighting the need for improved monitoring, assessment, and remediation protocols.
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
(2023)
Article
Marine & Freshwater Biology
L. K. Banks, I. Lavoie, C. E. Robinson, J. W. Roy, A. G. Yates
Summary: This study assessed the stream biofilm communities and cellulose decomposition in run and riffle habitats across three stream reaches with different groundwater inputs in Kintore Creek, Canada. The results showed that algal biomass and diatom assemblage composition differed between runs and riffles in reaches with moderate and high groundwater inputs, but not in the low groundwater reach. Additionally, streambed cellulose decomposition was faster in riffles than in runs in reaches with moderate and high groundwater input.
Article
Geosciences, Multidisciplinary
Chris M. DeBeer, Howard S. Wheater, John W. Pomeroy, Alan G. Barr, Jennifer L. Baltzer, Jill F. Johnstone, Merritt R. Turetsky, Ronald E. Stewart, Masaki Hayashi, Garth van der Kamp, Shawn Marshall, Elizabeth Campbell, Philip Marsh, Sean K. Carey, William L. Quinton, Yanping Li, Saman Razavi, Aaron Berg, Jeffrey J. McDonnell, Christopher Spence, Warren D. Helgason, Andrew M. Ireson, T. Andrew Black, Mohamed Elshamy, Fuad Yassin, Bruce Davison, Allan Howard, Julie M. Theriault, Kevin Shook, Michael N. Demuth, Alain Pietroniro
Summary: The interior of western Canada, like many similar cold mid- to high-latitude regions worldwide, is experiencing extensive and rapid climate and environmental changes. Understanding changes in coupled climate-land-hydrological systems is crucial but limited by lack of understanding of cold-region process responses and interactions. It is important to consider underlying processes and base predictive models on proper physics, especially under conditions of non-stationarity where the past cannot reliably guide the future.
HYDROLOGY AND EARTH SYSTEM SCIENCES
(2021)