Search Results - "DeLaune, R.D."

Fungal and bacterial mediated denitrification in wetlands: Influence of sediment redox condition by Seo, Dong Cheol, DeLaune, R.D.

“…Fungal and bacterial denitrification rates were determined under a range of redox conditions in sediment from a Louisiana swamp forest used for wastewater…”
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Influence of sediment redox conditions on release/solubility of metals and nutrients in a Louisiana Mississippi River deltaic plain freshwater lake by SHENYU MIAO, DELAUNE, R. D, JUGSUJINDA, A

“…The influence of sediment redox conditions on solubility of selected metals and nutrients in sediment from a coastal Louisiana freshwater lake (Lake…”
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Freshwater diversions as an ecosystem management tool for maintaining soil organic matter accretion in coastal marshes by DeLaune, R.D., Kongchum, M., White, J.R., Jugsujinda, A.

“…Marsh soil accretion processes were examined at 12 locations in fresh and brackish marshes in Louisiana's northern Barataria Basin estuary. Soil accretion rate…”
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Ammonification and denitrification rates in coastal Louisiana bayou sediment and marsh soil: Implications for Mississippi river diversion management by VanZomeren, C.M., White, J.R., DeLaune, R.D.

“…The Caernarvon Diversion directs Mississippi River water into coastal marshes in the Breton Sound Estuary. Elevated nitrogen levels in the Mississippi River…”
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The effects of salinity and soil drying on nutrient uptake and growth of Spartina alterniflora in a simulated tidal system by Brown, C.E., Pezeshki, S.R., DeLaune, R.D.

“…A study quantifying the role of the interactive effects of salinity and soil drying on nutrient uptake in Spartina alterniflora was conducted in a…”
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Diverted Mississippi River sediment as a potential phosphorus source affecting coastal Louisiana water quality by Zhang, Wen, White, J.R, DeLaune, R.D

“…Mississippi River water and associated sediment are seasonally diverted into Louisiana coastal basins to restore historic hydrologic and salinity regimes and…”
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Total mercury and methylmercury in freshwater and salt marsh soils of the Mississippi river deltaic plain by Kongchum, Manoch, Devai, Istvan, DeLaune, R.D., Jugsujinda, Aroon

“…Mercury entering wetland environments can be microbially methylated to methylmercury. The purpose of this study was to investigate the historical rate of…”
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Effect of redox potential and pH on arsenic speciation and solubility in a contaminated soil by Masscheleyn, Patrick H, Delaune, Ronald D, Patrick, William H

“…The effect of soil redox potential and pH on arsenic speciation and solubility in a contaminated soil was investigated. Arsenic solubility in soil was greatly…”
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Impact of Mississippi River freshwater reintroduction on enhancing marsh accretionary processes in a Louisiana estuary by DeLaune, R.D., Jugsujinda, A., Peterson, G.W., Patrick, W.H.

“…To counteract extensive wetland loss a series of diversion projects have been implemented to introduce freshwater and sediment from the Mississippi River into…”
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Denitrification in cypress swamp within the Atchafalaya River Basin, Louisiana by Lindau, C.W., Delaune, R.D., Scaroni, A.E., Nyman, J.A.

“…Nitrogen has been implicated as a major cause of hypoxia in shallow water along the Louisiana/Texas, USA coasts. Excess nitrogen (mainly nitrate) from…”
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The influence of arsenic chemical form and concentration on Spartina patens and Spartina alterniflora growth and tissue arsenic concentration by Carbonell-Barrachina, A.A. (Louisiana State Univ., Baton Rouge, LA (USA). Wetland Biogeochemistry Inst.), Aarabi, M.A, DeLaune, R.D, Gambrell, R.P, Patrick, W.H. Jr

“…Arsenic (As) uptake by two perennial coastal marsh grasses growing in hydroponic conditions was studied in relation to the chemical form and concentration of…”
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Soil redox and pH effects on methane production in a flooded rice soil by Wang, Z. P., DeLaune, R. D., Patrick, W. H., Masscheleyn, P. H.

“…Methane formation in soil is a microbiological process controlled by many factors. Of them soil redox potential (Eh) and soil pH are considered critical…”
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Phosphogypsum chemistry under highly anoxic conditions by Carbonell-Barrachina, A, DeLaune, R.D, Jugsujinda, A

“…Phosphogypsum (PG), primary byproduct from phosphoric acid production, is accumulated in large stockpiles and occupies vast areas of land. Contaminants…”
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Aerenchyma Formation and Methane and Oxygen Exchange in Rice by Kludze, H. K., DeLaune, R. D., Patrick, W. H.

“…Limited information exists on the direct link between the intensity of soil reduction or anaerobiosis and gas exchange in rice (Oryza sativa L.). A laboratory…”
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Emission of Reduced Malodorous Sulfur Gases from Wastewater Treatment Plants by Devai, Istvan, DeLaune, Ronald D.

“…The emission of malodorous gaseous compounds from wastewater collection and treatment facilities is a growing maintenance and environmental problem. Numerous…”
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Physico-chemical forms of copper in water and sediments of Lake Pontchartrain basin, USA by Zhang, Zengqiang, Wang, Jim J., Ali, Amjad, DeLaune, R.D.

“…In this study, one of the largest estuaries in the Gulf Coast of USA was investigated for Cu forms and fractionations. Both the water and sediment samples in…”
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Formation of volatile sulfur compounds in salt marsh sediment as influenced by soil redox condition by Devai, Istvan, DeLaune, R.D.

“…The effect of soil redox condition on the production or formation of gaseous sulfur compounds in anaerobic salt marsh soil was studied. Marsh soil from a…”
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Effect of rice variety on methane emission from Louisiana rice by Lindau, C.W., Bollich, P.K., DeLaune, R.D.

“…A field experiment was conducted to determine the effect local cultivars of Oryza sativa L. (rice) had on methane evolution from flooded plots. Semidwarf and…”
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Differences in long-term vs short-term carbon and nitrogen sequestration in a coastal river delta wetland: Implications for global budgets by DeLaune, R.D., White, J.R., Elsey-Quirk, T., Roberts, H.H., Wang, D.Q.

“…[Display omitted] •Soil C and N sequestration rates are higher over decadal times scales vs millennia.•Accretion rates, not concentration, are the primary…”
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Methane sources and sinks in paddy rice soils: relationship to emissions by Banker, B.C., Kludze, H.K., Alford, D.P., DeLaune, R.D., Lindau, C.W.

“…Methane sources and sinks in a Louisiana rice soil and how they relate to atmospheric emissions were quantified. Total methane emission from the plant-soil…”
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