Results 141 to 150 of about 874,608 (259)

Deciphering the contribution of submarine groundwater discharge to estuary hypoxia

open access: yesEnvironmental Research Letters
Submarine groundwater discharge (SGD) is increasingly recognized as an important pathway supplying nutrients, carbon, and metal elements to coastal oceans, yet its role in driving coastal hypoxia remains poorly constrained.
Yancheng Wang   +11 more
doaj   +1 more source

Validation of a Particle Image Velocimetry Algorithm Through Comparative Field and Laboratory Analysis

open access: yesRiver Research and Applications, Volume 42, Issue 8, Page 1654-1672, October 2026.
ABSTRACT Flow velocity measurement is fundamental to hydrological and hydraulic studies, providing essential data for streamflow estimation and river dynamics analysis. Traditional in situ methods like propeller gauges and acoustic Doppler current profilers are accurate but intrusive and labour‐intensive, while non‐intrusive image processing methods ...
Ghazaleh Nassaji Matin   +4 more
wiley   +1 more source

Application of a Presumptive Standards Approach to Evaluate Environmental Flows in a Highly Regulated River Basin

open access: yesRiver Research and Applications, Volume 42, Issue 8, Page 1736-1754, October 2026.
ABSTRACT The presumptive standards approach to environmental flows offers a method to develop interim guidelines for ecological and social‐cultural flow needs. The approach is based on deriving acceptable percent‐of‐flow limits based on naturalised flows (the absence of depletion or alteration of flow), and it can be an effective precursor to a full ...
Jennifer Lento   +6 more
wiley   +1 more source

Submarine Groundwater Discharge in South Bay, Virginia

open access: yes
South bay is a bay off the coast of Virginia that provides a habitat for many marine plants and animals native to Virginia Bays. This project seeks to investigate the possibility of submarine groundwater discharge (SGD) in the middle of this bay and how ...
Lavezzo, Cecil, Tamborski, Joeseph J.
core  

Impact of the Addition of a Shading Algorithm in a Physically Based Conceptual River Hydrological–Temperature Model

open access: yesRiver Research and Applications, Volume 42, Issue 8, Page 1771-1780, October 2026.
ABSTRACT Anthropogenic impacts on the thermal regime of rivers include climate change and deforestation. For the latter, developing modelling tools that can account for the impact of varying vegetation cover on river temperatures is essential. This study describes a new addition to the CEQUEAU hydrological and water temperature model: a shading ...
Zouhir Dichane   +4 more
wiley   +1 more source

Quantification of flash flood peaks using computer simulation for potential hill torrents of Pakistan: A modeling study

open access: yesRiver, Volume 5, Issue 3, Page 432-452, August 2026.
Abstract This study investigates rainfall runoff behavior of five major torrential Nullahs' of Dera Ghazi Khan (D. G. Khan) for flash flood events. The integration, and fusion of satellite‐based meteorological, topographical, and pedo‐transferred function's (PTF) derived soil hydraulic datasets at 250 m grid size substantially proves a viable approach ...
Bilal A. Munir   +4 more
wiley   +1 more source

Integrated hydrologic and hydrodynamic modeling for flood hazard assessment in Ajay River Basin, West Bengal, India

open access: yesRiver, Volume 5, Issue 3, Page 465-483, August 2026.
Abstract The Ajay River, originating from the Chotanagpur Plateau (Bihar) and flowing through Jharkhand into West Bengal before merging with the Bhagirathi‐Hugli near Katwa, is among the most flood‐prone rivers in the region. Its lower reaches frequently experience rainfall‐induced flooding and embankment breaches during the mid‐ to late‐monsoon season.
Shanku Ghosh, C. Prakasam
wiley   +1 more source

Modification of the Madeira River morphology following large hydropower projects detected by satellite data

open access: yesRiver, Volume 5, Issue 3, Page 369-387, August 2026.
Abstract Estimating suspended sediment concentration (SSC) in river channels is essential for understanding hydro‐sedimentological processes, managing water quality, and conserving aquatic ecosystems. This study evaluated different empirical equations to estimate SSC in the lower Madeira River and analyzed its hydro‐sedimentary dynamics based on MODIS ...
Matheus Silveira de Queiroz   +5 more
wiley   +1 more source

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