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Saturday, July 25, 2020 | History

3 edition of Phosphorus concentrations in the Pamlico River estuary of North Carolina found in the catalog.

Phosphorus concentrations in the Pamlico River estuary of North Carolina

John E. Hobbie

Phosphorus concentrations in the Pamlico River estuary of North Carolina

by John E. Hobbie

  • 273 Want to read
  • 29 Currently reading

Published by Water Resources Research Institute of the University of North Carolina] in [Chapel Hill .
Written in English

    Places:
  • North Carolina,
  • Pamlico River.
    • Subjects:
    • Phosphates -- North Carolina -- Pamlico River.

    • Edition Notes

      Bibliography: p. 47.

      Statementby John E. Hobbie.
      SeriesUniversity of North Carolina. Water Resources Research Institute. Report no. 33, Report (Water Resources Research Institute of the University of North Carolina) ;, no. 33.
      Classifications
      LC ClassificationsHD1694.N8 N6 no. 33
      The Physical Object
      Pagination47 p.
      Number of Pages47
      ID Numbers
      Open LibraryOL4072386M
      LC Control Number79633193

      Buy Phosphorus and eutrophication in the Pamlico River estuary, N.C., ;: A summary (Water Resources Research Institute of the University of North Carolina. Report no. 65) by Copeland, B. J (ISBN:) from Amazon's Book Store. Everyday low prices and free delivery on eligible : B. J Copeland. The Pamlico River estuary was eventually placed on the (d) list for chlorophyll a, driven by excess nutrient concentrations contributed by agricultural runoff and point sources. In response, the North Carolina Environmental Management Commission designated the Tar-Pamlico River Basin as “Nutrient Sensitive Waters” and called for a.

      The Tar-Pamlico River Basin is the fourth largest river basin in North Carolina and is one of only not been met in the Pamlico River Estuary even though implementation of the NSW strategy by A statistical analysis was performed by DWQ and the concentrations of total nitrogen (TN) and total phosphorus (TP) had no trends in the Tar River. Total phosphorus concentrations increased ( milligram per liter per year) in the Pamlico River and decreased ( milligram per liter per year) elsewhere. There was a general pattern of decreasing phosphorus concentrations downstream for the Neuse and Pamlico Rivers; however, phosphorus concentrations in the Pamlico River peaked near.

      The Pamlico River Estuary The Pamlico River Estuary (PRE) is a major tributary to the Albemarle-Pamlico Estuarine System (the Albemarle and Pamlico Sound) on the eastern coast of North Carolina (Fig. ). East coast commercial and recreational fishing is largely dependent upon this system’sability. concentrations when high-volume air samplers are em-ployed'14 Good reproducibility of data has been attained. The North Carolina phosphate mining operations of Tex-asgulf, Inc., located on the south bank of the Pamlico River near Aurora, raise the possibility of fluoride contamination of the ambient air. The application of high-volume air sam-.


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Phosphorus concentrations in the Pamlico River estuary of North Carolina by John E. Hobbie Download PDF EPUB FB2

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J., Phosphorus and eutrophication in the Pamlico River estuary, N.C., [Raleigh], [Water. Phosphorus concentrations in the Pamlico River estuary are some of the highest measured nationally. Citation: Harned, D.A.,A spatial characterization of nutrient concentrations for the Albemarle-Pamlico Drainage Area, North Carolina and Virginia, American Geophysical Union Fall Meeting, Eos, November 1,p.

North Carolina State University Raleigh, North Carolina, April 2, MEN0: To Whom It Hay Concern FROM: David 3. Howells, Director SUBJECT: Institute Report No, 33 -- "Phosphorus Concentrations in the Pamlico River Estuary of North Carolinatd The attached report is the first of a series covering work completed.

Phytoplankton nitrate reductase activity in the Pamlico River estuary, North Carolina, paralleled the development of a winter dinoflagellate bloom.

High enzyme activity was associated not only with high algal biomass, primarily of Peridinium triquetrum, but also with low nitrate concentrations in the typically nitrate-rich waters.

At present, the phosphorus input from all wetlands cannot be estimated but the minimum input which could be detected 4 f UPPER CHESAPEAKE BAY o o DELAWARE BAY o SOUTH RIVER, MARYLAND o *° POTOMAC RIVER, MARYLAND o PAMLICO RIVER, NORTH CAROLINA a * Figure 1.

Paerl et al. described the impacts of three sequential hurricanes in (i.e., Dennis, Floyd, and Irene) on the Pamlico Sound estuary in North Carolina.

Data used in the study included continuous (minute sampling intervals) and weekly monitoring in the Neuse and Pamlico River estuaries and monthly poststorm sampling in Pamlico Sound.

Albemarle-Pamlico Baseline Water Quality Monitoring Data Summary, North Carolina Department of Environment, Health, and Natural Resources, Division of Environmental Management, Water Quality Section, - Water quality - 80 pages.

the Pamlico River Estuary on 1 April, 15 April, and 2 May 5 9 34 Dissolved oxygen concentrations (mllliter) in the surface water of the Pamlico River Estuary on 3 June, 19 June and 4 July 6 0 35 Dissolved oxygen concentrations (mllliter in the bottom water of the Pamlico River Estuary on 13 December, 6 February, and 26 February Abstract.

To test the effects of phosphorus mining waste water (SPW) and domestic sewage on the growth of phytoplankton in the Pamlico River estuary, six m 3 artificial estuaries and eight 15 m 3 plastic pools were constructed.

Measurements of phytoplankton biomass and abundance of blue-green algae were made at regular intervals in estuaries and pools that contained various concentrations.

Journal Article: Effect of environmental setting on sediment, nitrogen, and phosphorus concentrations in Albemarle-Pamlico drainage basin, North Carolina and Virginia, USA. PDF | For at least the past several decades, North Carolina's Neuse River Estuary (NRE) has been subject to water quality problems relating to increased | Find, read and cite all the research.

@article{osti_, title = {Ecology of the Pamlico River, North Carolina: an estuarine profile}, author = {Copeland, B J and Hodson, R G and Riggs, S R}, abstractNote = {The Pamlico River Estuary in eastern North Carolina is a continuation of the freshwater Tar River and a major tributary to Pamlico Sound, the primary estuarine fishing ground of the State.

The Neuse River Estuary was included on the North Carolina Department of Water Quality d list for nutrients, and was scheduled for total maximum daily load TMDL development by spring of Sixty-eight samples of sediment collected on a variably-spaced grid pattern from Pamlico River Estuary of North Carolina were analyzed for As, Cd, Co, Cr, Cu, F, Ni, Pb, U, Zn, clay, and organic matter.

The major objectives of the study were to determine background and anomalous levels of trace elements in the sediments, and the effects of human activities on concentration and distribution of. Total phosphorus concentrations in the SPW discharge range from 13 to 40 P/liter and dissolved inorganic PO4 concentrations range from 7 to 30 pg-at P/liter (McElroy, ).

In contrast, total phosphorus concentrations in the Pamlico River are normally about 2 + 1 Mg-at P/liter (Hobbie, ).

Daily flow from the settling pond into the. Harned and Davenport () examined data for trends (–88) at sites on streams draining to the Albemarle-Pamlico estuary in North Carolina.

They reported a general decrease in nitrogen and phosphorus concentrations except in the Pamlico River estuary, and increases in estuarine chlorophyll-a concentrations. The Pamlico River is. to December along the Tar-Pamlico River estuary were measured using high performance liquid chromatography (HPLC).

From the concentrations of these pigments, phytoplankton biomass and community composition was estimated along the spatial gradient of the freshwater end of the Tar-Pamlico River estuary to the mouth of the Tar-Pamlico River.Introduction.

Phosphorus (P) is an essential but often limiting nutrient in freshwater aquatic and terrestrial ecosystems (Daniel et al., ); however, downstream systems are increasingly under threat from nutrient-stimulated eutrophication (Conley et al., ; Tiessen et al., ).Watershed losses result from inefficient recycling, or poor sequestration, and lead to P transport from soils.

The North Carolina Environmental Management Commission (EMC) has adopted as a water quality standard that chlorophyll a concentration should not exceed 40 μg/L in sounds, estuaries and other slow-moving waters.

Innutrient load reductions were placed into North Carolina (NC) law to reduce the extent and duration of algal blooms in the Neuse and Tar River estuaries (Session .