Results 161 to 170 of about 3,060 (251)

Long‐Term Change in the Concentration‐Discharge Relationship Suggests Controls on Watershed Exports of Dissolved Organic Carbon From Forested Headwater Streams

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 131, Issue 8, August 2026.
Abstract Dissolved organic carbon (DOC) export from watersheds by streams is an important and changing component of the global carbon cycle. We examined controls on DOC export by quantifying changes in the DOC concentration‐discharge relationship between 1992 and 2022 for nine forested headwater catchments at the Hubbard Brook Experimental Forest ...
Christopher T. Solomon   +4 more
wiley   +1 more source

Exploring the Influence of Morphologic Heterogeneity and Discharge on Downstream Transport in Streams With Multiple Logjams: 2. Insight From Numerical Models

open access: yesWater Resources Research, Volume 62, Issue 8, August 2026.
Abstract Logjams in streams create complex morphologic features such as pools, bars, and branching channels that enhance stream water storage and force water through the streambed. We examine how these features alter solute retention in stream corridors as discharge increases, backwaters expand, new channels activate, and jams become more submerged ...
Xiaolang Zhang   +3 more
wiley   +1 more source

A theoretical approach to the remediation of saline streamflow conditions downstream of the Nwanedi catchment reservoir. [PDF]

open access: yesSci Rep
Gumbo AD   +7 more
europepmc   +1 more source

Adaptive Turbine Replacement Improves Hydropower Flexibility in a Changing Climate

open access: yesWater Resources Research, Volume 62, Issue 8, August 2026.
Abstract Hydropower plants will operate under new conditions as water regimes shift, reservoir operating rules evolve, and the grid requires flexible balancing of wind and solar. Hydropower plant turbine systems are traditionally designed to operate at the highest efficiency within narrow ranges of flow and reservoir levels while deviations from design
Veysel Yildiz   +2 more
wiley   +1 more source

Vertical Hydraulic Gradients as Key Calibration Constraints in Regional Groundwater Models

open access: yesWater Resources Research, Volume 62, Issue 8, August 2026.
Abstract In typical clastic sedimentary aquifer systems, interbedded coarse‐ and fine‐grained deposits impede vertical flow and promote horizontal flow. This effect, known as vertical anisotropy, is often underestimated in regional groundwater models, leading to overestimated vertical aquifer communication.
Yara M. Pasner   +3 more
wiley   +1 more source

A Hierarchical Deep Learning Framework for Runoff Prediction Using Raster‐Based Spatial Representations

open access: yesWater Resources Research, Volume 62, Issue 8, August 2026.
Abstract Large‐sample deep learning runoff models rely primarily on aggregated catchment attributes, which may obscure informative spatial patterns. Using 531 watersheds in the contiguous United States, we develop a hierarchical deep learning framework that represents static watershed properties from watershed‐averaged raster aggregation to ...
De‐Hui Ouyang, E Deng, Yi‐Qing Ni
wiley   +1 more source

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