Publications de David Andrew Barry

Buoyancy-tilted Shear Layers and Coherent Structures in Hyperpycnal River Plume Plunging

David Andrew Barry, Ulrich Lemmin, Haoran Shi

Shear layers and corresponding Kelvin Helmholtz-type Coherent Structures (KHCS) can be generated by rivers discharging into laterally-unconfined quiescent open water bodies (e.g., lakes). When the river discharge has a greater density than the receiving wa ...

AMER GEOPHYSICAL UNION2025

Effects of Benthic Burrows on Hyporheic Exchange

David Andrew Barry

Macrobenthic invertebrates are widely distributed on sediments, and the micro‐morphology such as burrows and sand mounds due to their bioturbation activities can cause substantial changes in hyporheic exchange (HE). This study explores the characteristics ...

American Geophysical Union (AGU)2025

Identifying and quantifying unexpected deep zooplankton diel vertical migration in a large deep lake

David Andrew Barry, Ulrich Lemmin, Htet Kyi Wynn, Rafael Sebastian Reiss, Valentin Kindschi, Violaine Florette Piton

Diel Vertical Migration (DVM), a widespread zooplankton behavior in freshwater and marine systems, affects ecological interactions and biogeochemical cycles. In lakes, DVM has mainly been studied in the upper 50 m of the water column. However, based on aco ...

American Society of Limnology and Oceanography2025

Direct impact of climate change on groundwater levels in the Iberian Peninsula

David Andrew Barry

The Iberian Peninsula is a water-scarce region that is increasingly reliant on groundwater. Climate change is expected to exacerbate this situation due to projected irregular precipitation patterns and frequent droughts. Here, we utilised convolutional neu ...

2025

Effects of Seasonal Temperature Fluctuations on Tidally Influenced Coastal Unconfined Aquifers

David Andrew Barry

Land surface and seawater temperatures fluctuate seasonally. However, their impacts on salinity distribution and water exchange in tidally influenced unconfined aquifers remain unclear. This study examines these impacts based on two‐dimensional numerical s ...

Wiley2025

Stochastic optimization to maximize water supply index in conjunctive use of surface and groundwater

David Andrew Barry, Paolo Perona

Systematic operation of water resources systems requires rules that consider the uncertainties affecting system performance. Here, stochastic dynamic programming (SDP) is used to structure and solve a full-scale surface and groundwater conjunctive use mode ...

Elsevier BV2025

Deep-Circulating Groundwater From the Tibetan Plateau Constructed the Loess Plateau

David Andrew Barry

China's Loess Plateau (LP) is a quintessential example of a desert transitional environment characterized by a distinctive soil profile comprising of a red clay layer overlain by loess. The source of the sedimentary materials that formed the plateau, as we ...

AMER GEOPHYSICAL UNION2025

Efficient Implementation of Tidal Forcing in Simulations of Groundwater Dynamics in Subterranean Estuaries

David Andrew Barry

Submarine groundwater discharge from subterranean estuaries is affected by tides, which are represented in computational models as time-dependent boundary conditions on the seaward boundary. Conventionally, a small time step is used in the numerical model ...

AMER GEOPHYSICAL UNION2025

Hydro-sedimentary processes of a plunging hyperpycnal river plume revealed by synchronized remote imagery and gridded current measurements

David Andrew Barry, Ulrich Lemmin, Koen Blanckaert

The present knowledge of plunging hyperpycnal river plumes is mainly based on two-dimensional (confined) laboratory experiments. Several hypotheses on three-dimensional (unconfined) flow processes have been made, but not tested in situ. In this field study ...

American Geophysical Union2024

Field Observations Reveal How Plunging Mixing and Sediment Resuspension Affect the Pathway of a Dense River Inflow Into a Deep Stratified Lake

David Andrew Barry, Ulrich Lemmin

The pathway of dense river inflows into lakes, which affects the lake water quality, is not accurately predicted by existing models. The pathway of a dense riverine inflow in a lake with a submerged canyon is analyzed based on measurements during a 4-month ...

Amer Geophysical Union2024