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John A. Harrison
Washington State University Vancouver
OceanographyGeologyEutrophicationEcologyDenitrification
86Publications
27H-index
5,209Citations
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Publications 86
Newest
#1Philip Steenstra (Washington State University Vancouver)
#2Nikolay Strigul (Washington State University Vancouver)H-Index: 16
Last. John A. Harrison (Washington State University Vancouver)H-Index: 27
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Abstract At high concentrations, tungsten can be toxic to humans, animals, and the environment, though little is known about natural, aqueous tungsten in surface waters. To improve understanding and develop a model predicting tungsten concentrations, we collected water and sediment from 77 water bodies in 20 watersheds in Washington State, USA. We found aqueous tungsten concentrations spanning two orders of magnitude (10.3 ng L−1 - 2.05 μg L−1) with average tungsten concentrations in both water ...
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#1Jeffrey Nielsen (WSU: Washington State University)
#2Corey Ruder (WSU: Washington State University)
Last. Stephen M. Henderson (WSU: Washington State University)H-Index: 1
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#1Sigrid van Grinsven (UU: Utrecht University)H-Index: 1
#2Jaap S. Sinninghe Damsté (UU: Utrecht University)H-Index: 119
Last. Laura Villanueva (UU: Utrecht University)H-Index: 20
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Methanotrophic bacteria play a key role in limiting methane emissions from lakes. It is generally assumed that methanotrophic bacteria are mostly active at the oxic‐anoxic transition zone in stratified lakes, where they use oxygen to oxidize methane. Here, we describe a methanotroph of the genera Methylobacter that is performing high‐rate (up to 72 μM day−1) methane oxidation in the anoxic hypolimnion of the temperate Lacamas Lake (Washington, USA), stimulated by both nitrate and sulfate additio...
2 CitationsSource
#1Sarra E. Hinshaw (UC Davis: University of California, Davis)H-Index: 2
#2Taiping Zhang (SCUT: South China University of Technology)H-Index: 2
Last. Randy A. Dahlgren (UC Davis: University of California, Davis)H-Index: 55
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Abstract The San Joaquin River (SJR) in California is purported to receive high nitrate loadings from surrounding agricultural lands through both surface and groundwater inputs. To investigate the potential removal of nitrate (NO3−) from surface and ground water sources, the spatial variations in dinitrogen (N2) gas concentrations and direct measurements of sediment denitrification potential (DNP), with amended NO3− and carbon (C) treatments, were investigated in the summer along a 95-km reach o...
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#1Kaitlin R. Perkins (Washington State University Vancouver)H-Index: 1
#2Gretchen Rollwagen-Bollens (Washington State University Vancouver)H-Index: 13
Last. John A. Harrison (Washington State University Vancouver)H-Index: 27
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AbstractPerkins KR, Rollwagen-Bollens G, Bollens SM, Harrison JA. 2019. Variability in the vertical distribution of chlorophyll in a spill-managed temperate reservoir. Lake Reserve Manage. 35:119–1...
1 CitationsSource
#1Bridget R. Deemer (Washington State University Vancouver)H-Index: 1
#2John A. Harrison (Washington State University Vancouver)H-Index: 27
In eutrophic lakes and reservoirs, reduced mixing during stratified conditions limits oxygen (O2) supply to the hypolimnion (that is, bottom waters). In the absence of an O2 supply, microbial decomposers consume alternative electron acceptors, generally in order of their thermodynamic favorability, releasing soluble, reduced manganese (Mn), iron (Fe) and methane (CH4) to the water column with implications for reservoir water quality and greenhouse gas dynamics. Still, there are very few studies ...
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#1Nikolay StrigulH-Index: 16
Last. John A. HarrisonH-Index: 27
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#1Annette B.G. Janssen (WUR: Wageningen University and Research Centre)H-Index: 12
#2Jan H. Janse (Netherlands Environmental Assessment Agency)H-Index: 28
Last. Wolf M. Mooij (WUR: Wageningen University and Research Centre)H-Index: 32
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Algal blooms increasingly threaten lake and reservoir water quality at the global scale, caused by ongoing climate change and nutrient loading. To anticipate these algal blooms, models to project future algal blooms worldwide are required. Here we present the state-of-the-art in algal projection modelling and explore the requirements of an ideal algal projection model. Based on this, we identify current challenges and opportunities for such model development. Since most building blocks are prese...
8 CitationsSource
#1John A. Harrison (Washington State University Vancouver)H-Index: 27
#2Arthur H. W. Beusen (UU: Utrecht University)H-Index: 34
Last. Lauriane Vilmin (UU: Utrecht University)H-Index: 8
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Understanding and mitigating the effects of phosphorus (P) overenrichment of waters globally, including the evaluation of the global Sustainability Development Goals, requires the use of global models. Such models quantitatively link land use, global population growth and climate to aquatic nutrient loading and biogeochemical cycling. Here we describe, compare, and contrast the existing global models capable of predicting P transport by rivers at a global scale. We highlight important insights g...
3 CitationsSource
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