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D. Scott Mackay

Editor, Water Resources Research

Conceptual diagram showing how solute transport in saturated fine-textured and course-textured soils is altered by root exudates.
Posted inEditors' Highlights

Plant Root Exudates Mediate Soil Nutrient Transport

by D. Scott Mackay 9 December 20218 April 2022

Plant roots mediate solute transport through the soil immediately surrounding them by introducing polymers and other binding compounds that disrupt water transport pathways between soil pore spaces.

A conceptual model showing how phosphorous from individual household waste is transported to surface waters.
Posted inEditors' Highlights

Water Quality Policy Must Consider Stored Watershed Phosphorous

by D. Scott Mackay 6 December 20213 December 2021

Phosphorous stored in watersheds and affects water quality for decades. A new model predicts phosphorus accumulation and depletion, and the consequences for water quality conservation measures.

Six plots showing spatial distribution of steady-state groundwater aquifer salinity (colors) and flow streamlines (white) for the two-dimensional simulations of the floodplain
Posted inEditors' Highlights

Evaporation Reverses Groundwater Flow and Forms Hyper-Salinity

by D. Scott Mackay 4 December 20201 December 2022

A numerical model of groundwater-surface water systems shows how floodplain evaporation can reverse stream-groundwater flow and produce strong buoyancy changes associated with salinity.

Map showing the location of study in northern Italy and inset image showing bathymetry of Lake Tovel
Posted inEditors' Highlights

Climate Warming Improves Oxygen Mixing in a High-Altitude Lake

by D. Scott Mackay 10 September 202020 April 2022

Long term weather and lake data from a high elevation lake in the Alps demonstrate that climate warming may actually improve the ability of high-altitude deep lakes to mix their waters.

Land use map of the Selke river catchment in central Germany
Posted inEditors' Highlights

New Isotope Model Predicts Denitrification from Riparian Zones

by D. Scott Mackay 13 January 202015 November 2022

A new model quantifies the relative contributions of denitrification and other processes of nitrogen uptake, such as by plants, from groundwater in riparian areas around streams.

Water droplets on leaf
Posted inEditors' Vox

Ecohydrology: What’s in a Name?

by D. Scott Mackay 13 May 20191 April 2022

Scientists were studying ecohydrology for decades before it became an official ‘ology’. Find out how this field has evolved over the past century.

Posted inEditors' Highlights

Long-term Dataset Reveals How Management Affects River Biology

by D. Scott Mackay 16 October 201812 January 2023

River systems are affected by societies against a backdrop of climate change. A new dataset reveals how these forces affect river flow, chemistry, and the biological health of the river.

Posted inEditors' Highlights

Massive Scale Evaporative Water Losses from Irrigation

by D. Scott Mackay 21 September 20189 May 2022

Evaporation can demonstrate the effects of crop irrigation on decadal trends in evapotranspiration at a regional spatial extent.

Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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