Potential nitrate removal from a river diversion into a Mississippi delta forested wetland

Lane, Robert R.; Mashriqui, Hassan; Kemp, G. Paul; Day, John W.; Day, John; Hamilton, Andrew

doi:10.1016/s0925-8574(03)00043-0

Cited by 54 publications

(51 citation statements)

References 42 publications

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“…data, 2016). At this concentration, the resulting NO 3 -loading rate is 11.25 g N m -2 yr -1 (± 4.17 g N m -2 yr -1 standard deviation), which is within the design criteria of 10-15 g N m -2 yr -1 set for uptake by assimilation wetlands (Lane and others, 2003), close to median N removal rates provided for coastal Louisiana wetlands in general (9.31-9.76 g N m -2 yr -1 ; Rivera-Monroy and others, 2013), and should ensure complete NO 3 -uptake by the swamp vegetation during overland flow under most conditions. Thus, maximum NO 3 -loading of 7.1-15.4 g N m -2 yr -1 would be an acceptable target ( fig.…”

Section: Nutrient Uptake and Retention Performance Measuresupporting

confidence: 53%

“…Rybczyk and others (2002) discovered that waters diverted to coastal swamp forests from a municipal wastewater treatment facility in Louisiana influenced accretion slightly from 4.4 to 5.5 mm/yr (based on 137 Cs techniques) or from 7.8 to as much as 11.4 mm/yr (based on incremental change measured by using marker horizon techniques). River water would have far fewer nutrients (for example, Battaglin and others, 2001) than a wastewater treatment operation, and uptake of nutrients might be rapid and undispersed throughout Maurepas Swamp (Lane and others, 2003). Very little data currently exist to clarify the influences of river reintroductions on VLM w .…”

Section: Performance Measure Discussion and Literaturementioning

confidence: 99%

“…Waters of Lake Maurepas have low levels of dissolved inorganic N (that is, nitrate or nitrite [NO x ] and ammonium [NH 4 + ]), about 100 times less than N concentrations in the Mississippi River (Lane and others, 2003). Fertilizer studies have demonstrated increased rates of growth of both baldcypress (Myers and others, 1995;Beville, 2002;Lundberg and others, 2011;Shaffer and others, 2015) and herbaceous vegetation (Shaffer and others, 2009a) in coastal Louisiana swamp forest environments.…”

Section: Pm5: Facilitating Nutrient Uptake and Retentionmentioning

confidence: 99%

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Performance measures for a Mississippi River reintroduction into the forested wetlands of Maurepas Swamp

Krauss¹,

Shaffer²,

Keim³

et al. 2017

Scientific Investigations Report

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For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment-visit http://www.usgs.gov or call 1-888-ASK-USGS.For an overview of USGS information products, including maps, imagery, and publications, visit http://store.usgs.gov.Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner.Suggested citation: Krauss, K.W., Shaffer, G.P., Keim, R.F., Chambers, J.L., Wood, W.B., and Hartley, S.B., 2017, Performance measures for a Mississippi River reintroduction into the forested wetlands of Maurepas Swamp: U.S. Geological Survey Scientific Investigations Report 2017-5036, 56 p., https://doi.org/10.3133/sir20175036. ISSN 2328-0328 (online) iii AcknowledgmentsThe development of these performance measures was supported by the Coastal Protection and Restoration Authority (CPRA) of Louisiana. Specifically, we thank Carol Parsons Richards, Honora Buras, Brad Miller, and Richard Raynie, all with CPRA, for tasking this effort and providing much needed feedback along the way. Along with these partners, additional reviews of this document were provided by Danielle Richardi (CPRA), Christopher M. Swarzenski (U. S AbstractThe use of freshwater diversions (river reintroductions) from the Mississippi River as a restoration tool to rehabilitate Louisiana coastal wetlands has been promoted widely since the first such diversion at Caernarvon became operational in the early 1990s. To date, aside from the Bonnet Carré Spillway (which is designed and operated for flood control), there are only four operational Mississippi River freshwater diversions (two gated structures and two siphons) in coastal Louisiana, and they all target salinity intrusion, shellfish management, and (or) the enhancement of the integrity of marsh habitat. River reintroductions carry small sediment loads for various design reasons, but they can be effective in delivering freshwater to combat saltwater intrusion and increase the delivery of nutrients and suspended fine-grained sediments to receiving wetlands. River reintroductions may be an ideal restoration tool for targeting coastal swamp forest habitat; much of the area of swamp forest habitat in coastal Louisiana is undergoing saltwater intrusion, high rates of submergence, and lack of riverine flow leading to reduced concentrations of important nutrients and suspended sediments, which sustain growth and regeneration, help to aerate swamp soils, and remove toxic compounds from the rhizosphere.The State of Louisiana Coastal Protection and Restoration Authority (CPRA) has made it a priority to establish a small freshwater river diversion into a coastal swamp forest located between Baton Rouge and New Orleans, Louisiana, to reintrodu...

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Section: Nutrient Uptake and Retention Performance Measuresupporting

confidence: 53%

Section: Performance Measure Discussion and Literaturementioning

confidence: 99%

Section: Pm5: Facilitating Nutrient Uptake and Retentionmentioning

confidence: 99%

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Performance measures for a Mississippi River reintroduction into the forested wetlands of Maurepas Swamp

Krauss¹,

Shaffer²,

Keim³

et al. 2017

Scientific Investigations Report

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“…In this experiment, the HLR of the IVCW mesocosm was 250 mm/d, yielding a nitrate loading rate of 6.10 g·m À2 d À1 , which was significantly higher or in the high range of the values compared with the references [20,21,23], implying short retention time for nitrate elimination. Lane et al [42] suggested that over 90% of nitrate removal efficiency could be obtained for wetlands at a nitrate loading rate of less than 0.1 g·m À2 d À1 , but the removal efficiency decreased at higher loading rates. Furthermore, the lack of availability of organic carbon was more severe at high nitrate loading rates [23].…”

Section: High Loading Ratementioning

confidence: 99%

Nitrate removal from tail water by integrated vertical-flow constructed wetlands at a high hydraulic loading rate

Chang¹,

Wu²,

Dai³

et al. 2013

Desalination and Water Treatment

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A B S T R A C TNitrate removal rates of two pilot-scale integrated vertical-flow constructed wetlands (IVCWs) treating tail water, under a hydraulic loading rate (HLR) of 250 mm/d with a mean influent NO À 3 -N concentration of 24.4 mg·L À1 , were evaluated. Mean NO À 3 -N removal efficiencies of 15.5 and 18.5% with mass removal rates of 1.01 g·m À2 ·d À1 and 1.16 g·m À2 ·d À1 for IVCW 1 (planted with Canna indica and Pontederia cordata) and 2 (planted with Typha orientalis and Arundo donax var. versicolor), respectively, were achieved. The removal rate constants as fitted by the first-order area-based model averaged 0.046 and 0.055 m·d À1 , respectively. Since NO À 3 -N was the dominant nitrogen form in the effluent, denitrification was the limiting step in nitrogen removal despite of favorable pH and anaerobic conditions in the wetland beds. Low availability of carbon source, high HLR, and low temperature could be the probable influencing factors for the observed low NO À 3 -N removal efficiencies. However, IVCW could be used to treat tail water for nitrate removal at a comparable high loading rate.

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“…A hydrodynamic model of nutrient loading in the Maurepus forested wetland in Louisiana was used to assess the nutrient removal potential of a proposed Mississippi River diversion into the wetland [19]. It was estimated that the diversion would result in a 90% -95% reduction of introduced nitrate by the wetlands.…”

Section: Wetlandsmentioning

confidence: 99%

Sustainable Management of Algae in Eutrophic Ecosystems

McNeary¹,

Erickson²

2013

JEP

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The accelerated eutrophication of the world's freshwater and marine ecosystems is a complex problem that results in decreased productivity, loss of biodiversity, and various economic woes. Controlling algae populations in a eutrophic water body has values in mitigating some of these negative effects. This paper reviews a number of strategies for algae management, with a focus on sustainable practices that have minimal environmental impact. The information in the literature is then used to propose a design for an integrated algae-aquaculture system to be used for the dual purposes of nutrient assimilation and production of fish and algal biomass. Effectiveness of the proposed system and possible revenue streams to offset capital costs are examined; other solutions that utilize the techniques in the literature are also explored.

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Potential nitrate removal from a river diversion into a Mississippi delta forested wetland

Cited by 54 publications

References 42 publications

Performance measures for a Mississippi River reintroduction into the forested wetlands of Maurepas Swamp

Performance measures for a Mississippi River reintroduction into the forested wetlands of Maurepas Swamp

Nitrate removal from tail water by integrated vertical-flow constructed wetlands at a high hydraulic loading rate

Sustainable Management of Algae in Eutrophic Ecosystems

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