Climate and Seasonal Temperature Controls on Biogeochemical Transformations in Unconfined Coastal Aquifers

Cogswell, Clara; Heiss, James W.

doi:10.1029/2021jg006605

Cited by 13 publications

(7 citation statements)

References 76 publications

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“…; Dunham, J.B [ 49 ]. 2017 Thermal effect of climate change on groundwater-fed ecosystems Water Resources Research Carlson, AK; Taylor, WW; Infante, DM [ 50 ] 2019 Developing precipitation- and groundwater-corrected stream temperature models to improve brook charr management amid climate change Hydrobiologia Cavelan, A; Golfier, F; Colombano, S; Davarzani, H; Deparis, J; Faure, P [ 51 ] 2022 A critical review of the influence of groundwater level fluctuations and temperature on LNAPL contaminations in the context of climate change Science of the Total Environment Chu, C; Jones, NE; Mandrak, NE; Piggott, AR; Minns, CK [ 52 ] 2008 The influence of air temperature, groundwater discharge, and climate change on the thermal diversity of stream fishes in southern Ontario watersheds Canadian Journal of Fisheries and aquatic sciences Cogswell, C; Heiss, JW [ 53 ] 2021 Climate and Seasonal Temperature Controls on Biogeochemical Transformations in Unconfined Coastal Aquifers Journal of Geophysical Research - Biogeosciences Colombani, N; Giambastiani, BMS; Mastrocicco, M [ 54 ] 2016 Use of shallow groundwater temperature profiles to infer climate and land use change: interpretation and measurement challenges Hydrological Processes Dittbrenner, BJ; Schilling, JW; Torgersen, CE; Lawler, JJ [ 55 ] 2022 Relocated beaver can increase water storage and decrease stream temperature in headwater streams Ecosphere Egidio, E; Mancini, S; De Luca, DA; Lasagna, M [ 17 ] 2022 The Impact of Climate Change on Groundwater Temperature of the Piedmont Po Plain (NW Italy) Water Epting, J; Huggenberger, P [ 56 ] …”

Section: Resultsmentioning

confidence: 99%

“…Accurate temperature proﬁles were crucial for inferring the inﬂuence of land use and CC on GW. Cogswell and Heiss [ 53 ] studied the roles of global and seasonal variability of GW and coastal ocean temperatures on the spatial and temporal trends of the N cycle in coastal aquifers. More specifically, they noted that GWT has a strong control on the reactivity of coastal aquifers: e.g.…”

Section: Resultsmentioning

confidence: 99%

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How groundwater temperature is affected by climate change: A systematic review

Egidio,

De Luca,

Lasagna

2024

Heliyon

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

How groundwater temperature is affected by climate change: A systematic review

Egidio,

De Luca,

Lasagna

2024

Heliyon

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“…First, temperature is an important control on groundwater flow and biogeochemical activity in aquifers due to its effect on fluid viscosity and microbial reaction kinetics. Previous studies have determined the temperature varied from 5°C to 35°C significantly changed the aerobic respiration rate (Cogswell & Heiss, 2021;Zheng & Cardenas, 2018;Zheng et al, 2016). Assuming that the salinity of the surface water fluctuates very minor during the day, the spatial extent of DO in the hyporheic zone may vary due to temperature fluctuations, because the DO consumption rates are different during the day and night according the Arrhenius law (Dawson & Murphy, 1972).…”

Section: Discussionmentioning

confidence: 99%

Transition Zone Morphology Dynamics of Dissolved Oxygen (DO) in a Salinity‐Impacted Hyporheic Zone

Jiang

Kaufman

Jin

et al. 2022

Geophysical Research Letters

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Freshwater salinization is a common yet underappreciated environmental problem in rivers, yet how this process impacts the transport of dissolved oxygen (DO) in the hyporheic zone remains unknown. Using flume experiments and numerical simulations, we have demonstrated that the morphological dynamics of the DO transition zone are controlled by the dimensionless number Da·Ra−2, a measure of the rate of aerobic respiration to free convection. At low Da·Ra−2, the oxic front breaks up into fingers which subsequently grow, and leads to accelerating of DO transport and shrinking of the anaerobic zone in the underlying sediment. As Da·Ra−2 increases, the growth rate of the instability decreases, and the DO plume fingers are suppressed and delayed compared with the saltwater‐freshwater interface, the mixing area between saltwater and freshwater. These results indicate that the freshwater salinization syndrome can have significant impacts on the functioning of aquifer ecosystems unless regulated and managed effectively.

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“…The mixing of land-sourced and sea-sourced chemicals could be strengthened in highly heterogeneous aquifers. Furthermore, freshwater and seawater temperatures would further change biogeochemical reactions in coastal aquifers (Cogswell and Heiss, 2021), influencing marine ecosystems (e.g., causing coastal eutrophication, algal blooms (Santos et al, 2021)).…”

Section: Figure 12mentioning

confidence: 99%

Thermal effects on flow and salinity distributions in heterogeneous coastal aquifers with fixed-flux inland boundaries

Xin

2022

Front. Environ. Sci.

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Freshwater-seawater (FW-SW) temperature contrasts widely exist in natural coastal aquifers. The significant effects of thermal forcing on water flow and salinity distributions for homogeneous aquifers have been demonstrated recently, however, the impact on heterogeneous aquifers remains unclear. This study conducted simulations of variable-density flow, and heat and salt transport with Monte-Carlo realizations of log-normally distributed permeability fields to examine such impacts. The averaged results showed that warmer freshwater could lead to a significant landward intrusion of freshwater-seawater interface in the heterogeneous aquifer. The random permeability fields increased the thermal effects of warmer freshwater and thus facilitated landward seawater intrusion. Furthermore, under warmer seawater conditions, salt dispersion was enhanced and density effects were reduced in heterogeneous coastal aquifers, thus altering the two opposing seawater circulation cells induced by double diffusion of salt and heat. The clockwise seawater circulation was strengthened whereas the anticlockwise one was weakened. Sensitivity analyses showed that an increased variance of permeability field further inhibited the anticlockwise seawater circulation cell caused mainly by heat diffusion. A larger correlation length of permeability field facilitated the thermal effect on the salinity distribution, increasing the associated uncertainty range caused by FW-SW temperature contrasts.

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Climate and Seasonal Temperature Controls on Biogeochemical Transformations in Unconfined Coastal Aquifers

Abstract: Submarine groundwater discharge is an important pathway for land-derived nutrients and contaminants to nearshore marine environments, potentially rivaling riverine nutrient inputs on a regional scale (

Cited by 13 publications

References 76 publications

How groundwater temperature is affected by climate change: A systematic review

How groundwater temperature is affected by climate change: A systematic review

Transition Zone Morphology Dynamics of Dissolved Oxygen (DO) in a Salinity‐Impacted Hyporheic Zone

Thermal effects on flow and salinity distributions in heterogeneous coastal aquifers with fixed-flux inland boundaries

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