Impacts of sea-level rise and urbanization on groundwater availability and sustainability of coastal communities in semi-arid South Texas

Uddameri, Venkatesh; Singaraju, Sreeram; Hernandez, E. Annette

doi:10.1007/s12665-013-2904-z

Cited by 27 publications

(20 citation statements)

References 25 publications

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“…The combined error associated with our assumptions is difficult to quantify for the near‐global coast. However, in a comparison of 10 sites from the continental United States (Bokuniewicz, ; Bokuniewicz et al, ; Hays & Ullman, ; Mulligan & Charette, ; Reay et al, ; Russoniello et al, ; Santos et al, ; Simmons, ; Uddameri et al, ; Zimmermann et al, ), our water budget analysis yields similar estimates of fresh SGD as seepage meter studies (Sawyer et al, ), other water budget calculations, and validated three‐dimensional groundwater flow models (Befus et al, ; Zhou et al, ; supporting information Figure S1). Our estimates tend to be lower than field‐based estimates, likely because of our conservative approach for delineating coastal recharge areas, which would tend to exclude groundwater imports from upland basins.…”

Section: Methodssupporting

confidence: 67%

Fresh Submarine Groundwater Discharge to the Near‐Global Coast

Zhou

Sawyer

David

et al. 2019

Geophysical Research Letters

101

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The flow of fresh groundwater to the ocean through the coast (fresh submarine groundwater discharge or fresh SGD) plays an important role in global biogeochemical cycles and coastal water quality. In addition to delivering dissolved elements from land to sea, fresh SGD forms a natural barrier against salinization of coastal aquifers. Here we estimate groundwater discharge rates through the near‐global coast (60°N to 60°S) at high resolution using a water budget approach. We find that tropical coasts export more than 56% of all fresh SGD, while midlatitude arid regions export only 10%. Fresh SGD rates from tectonically active margins (coastlines along tectonic plate boundaries) are also significantly greater than passive margins, where most field studies have been focused. Active margins combine rapid uplift and weathering with high rates of fresh SGD and may therefore host exceptionally large groundwater‐borne solute fluxes to the coast.

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Section: Methodssupporting

confidence: 67%

Fresh Submarine Groundwater Discharge to the Near‐Global Coast

Zhou

Sawyer

David

et al. 2019

Geophysical Research Letters

101

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“…tides) and human made factors (e.g. over pumping) (Uddameri et al, 2014; 14 . SLR could cause problems such as impeded drainage, wetland loss (and 15 change), erosion and inundation of the land-surface and also saltwater intrusion (Bricker,16 2009; FitzGerald et al, 2008;Nicholls, 2010Nicholls, , 2015.…”

mentioning

confidence: 99%

Assessing impacts of sea level rise on seawater intrusion in a coastal aquifer with sloped shoreline boundary

Hussain

2016

Journal of Hydro-environment Research

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“…Moreover, groundwater demand is likely to increase in coastal areas where recharge declines, further increasing intrusion (Ferguson and Gleeson ; Uddameri et al. ; Sawyer et al. ).…”

Section: Resultsmentioning

confidence: 99%

A Review of Water Quality Responses to Air Temperature and Precipitation Changes 1: Flow, Water Temperature, Saltwater Intrusion

Paul

Coffey

Stamp

et al. 2018

J American Water Resour Assoc

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Anticipated future increases in air temperature and regionally variable changes in precipitation will have direct and cascading effects on United States (U.S.) water quality. In this paper, and a companion paper by Coffey et al., we review technical literature addressing the responses of different water quality attributes to historical and potential future changes in air temperature and precipitation. The goal is to document how different attributes of water quality are sensitive to these drivers, to characterize future risk to inform management responses, and to identify research needs to fill gaps in our understanding. Here we focus on potential changes in streamflow, water temperature, and salt water intrusion (SWI). Projected changes in the volume and timing of streamflow vary regionally, with general increases in northern and eastern regions of the U.S., and decreases in the southern Plains, interior Southwest, and parts of the Southeast. Water temperatures have increased throughout the U.S. and are expected to continue to increase in the future, with the greatest changes in locations where high summer air temperatures occur together with low streamflow volumes. In coastal areas, especially the mid‐Atlantic and Gulf coasts, SWI to rivers and aquifers could be exacerbated by sea level rise, storm surges, and altered freshwater runoff. Management responses for reducing risks to water quality should consider strategies and practices robust to a range of potential future conditions.

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Impacts of sea-level rise and urbanization on groundwater availability and sustainability of coastal communities in semi-arid South Texas

Cited by 27 publications

References 25 publications

Fresh Submarine Groundwater Discharge to the Near‐Global Coast

Fresh Submarine Groundwater Discharge to the Near‐Global Coast

Assessing impacts of sea level rise on seawater intrusion in a coastal aquifer with sloped shoreline boundary

A Review of Water Quality Responses to Air Temperature and Precipitation Changes 1: Flow, Water Temperature, Saltwater Intrusion

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