Works (36)

Updated: July 22nd, 2023 21:15

2019 journal article

Hysteresis analysis of nitrate dynamics in the Neuse River, NC

SCIENCE OF THE TOTAL ENVIRONMENT, 652, 889–899.

By: E. Baker n & W. Showers n

author keywords: Nitrate; Hysteresis; Nutrient dynamics; Storm runoff; Eutrophication
Source: Web Of Science
Added: January 14, 2019

2015 journal article

Key metabolites in tissue extracts ofElliptio complanataidentified using1H nuclear magnetic resonance spectroscopy

Conservation Physiology, 3(1), cov023.

By: J. Hurley-Sanders n, J. Levine n, S. Nelson n, J. Law n, W. Showers n & M. Stoskopf n

author keywords: Freshwater mussels; metabolites; nuclear magnetic resonance spectroscopy
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2015 journal article

Tissue extraction methods for metabolic profiling of a freshwater bivalve, Elliptio complanata

American Malacological Bulletin, 33(2), 185–194.

By: J. Hurley-Sanders n, M. Stoskopf n, S. Nelson, W. Showers n, J. Law n, H. Gracz*, J. Levine n

author keywords: freshwater bivalve; metabolomics; NMR; nuclear magnetic resonance; Ringer's solution
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2011 journal article

Spatial variability of the stable isotope (δ15N) composition in two freshwater bivalves (Corbicula fluminea and Elliptio complanata)

Journal of Freshwater Ecology, 26(1), 19–24.

By: J. Bucci n, J. Levine n & W. Showers n

author keywords: stable nitrogen isotopes; freshwater bivalves; biomonitors
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2009 journal article

Deep-sea benthic diversity linked to seasonality of pelagic productivity

DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 56(5), 835–841.

By: B. Corliss*, C. Brown*, X. Sun* & W. Showers n

author keywords: Deep-sea diversity; Benthos; Foraminifera; Seasonality
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Stable oxygen and carbon isotope profiles in an invasive bivalve (Corbicula fluminea) in North Carolina watersheds

Geochimica Et Cosmochimica Acta, 73(11), 3234–3247.

By: J. Bucci n, W. Showers n, B. Genna n & J. Levine n

Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2008 journal article

Back-trajectory analysis and source-receptor relationships: Particulate matter and nitrogen isotopic composition in rainwater

JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 58(9), 1215–1222.

By: C. Occhipinti n, V. Aneja n, W. Showers n & D. Niyogi n

MeSH headings : Analysis of Variance; Atmosphere; Isotopes / analysis; Nitrogen / analysis; Particulate Matter / analysis; Rain / chemistry; United States
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

Nitrate contamination in groundwater on an urbanized dairy farm

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(13), 4683–4688.

By: W. Showers n, B. Genna n, T. McDade n, R. Bolich n & J. Fountain n

MeSH headings : Bromides / analysis; Chlorides / analysis; Dairying; Environmental Monitoring / statistics & numerical data; Flow Injection Analysis; Magnetics; Nitrates / analysis; Nitrogen Isotopes / analysis; North Carolina; Urban Renewal; Water Pollutants, Chemical / analysis; Water Supply / analysis
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Uncertainties in the oxygen isotopic composition of barium sulfate induced by coprecipitation of nitrate

RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 22(19), 2971–2976.

By: G. Michalski*, M. Kasem*, J. Rech*, S. Adieu*, W. Showers n, B. Genna n, M. Thiemens*

MeSH headings : Artifacts; Barium Sulfate / chemistry; Fractional Precipitation; Mass Spectrometry / methods; Nitrates / chemistry; Oxygen Isotopes / analysis; Reproducibility of Results; Sensitivity and Specificity
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Valve Gape Response to Turbidity in Two Freshwater Bivalves (Corbicula flumineaandLampsilis radiata)

Journal of Freshwater Ecology, 23(3), 479–483.

By: J. Bucci*, W. Showers*, J. Levine* & B. Usry n

Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2007 journal article

A comparison of blue crab and bivalve delta N-15 tissue enrichment in two North Carolina estuaries

Environmental Pollution, 145(1), 299–308.

By: J. Bucci n, S. Rebach n, D. Demaster n & W. Showers n

MeSH headings : Animals; Bivalvia / metabolism; Body Size; Brachyura / metabolism; Corbicula / metabolism; Environmental Monitoring / methods; Fishes / metabolism; Linear Models; Male; Nitrogen Isotopes / analysis; North Carolina; Rivers; Tissue Distribution; Water Pollutants, Chemical / analysis
Source: NC State University Libraries
Added: August 6, 2018

2007 review

Chemical sensor networks for the aquatic environment

[Review of ]. CHEMICAL REVIEWS, 107(2), 623–640.

By: K. Johnson n, J. Needoba n, S. Riser n & W. Showers n

Source: Web Of Science
Added: August 6, 2018

2007 journal article

Stable isotope analyses (delta N-15 and delta C-13) of the trophic relationships of Callinectes sapidus in two north Carolina estuaries

ESTUARIES AND COASTS, 30(6), 1049–1059.

By: J. Bucci n, W. Showers n, S. Rebach n, D. DeMaster n & B. Genna n

Source: Web Of Science
Added: August 6, 2018

2007 journal article

Temporal and spatial variability in stable isotope compositions of a freshwater mussel: implications for biomonitoring and ecological studies

OECOLOGIA, 152(1), 140–150.

By: L. Gustafson n, W. Showers n, T. Kwak n, J. Levine n & M. Stoskopf n

author keywords: Elliptio complanata; delta N-15; delta C-13; nutrient loading; tissue turnover; isotopic baseline
MeSH headings : Animals; Carbon Isotopes; Ecology; Environmental Monitoring; Food Chain; Geography; Hemolymph / chemistry; Nitrogen Isotopes; North Carolina; Rivers / chemistry; Unionidae / chemistry; Unionidae / metabolism
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 journal article

Impact of large poultry operations on groundwater: Stable 15N isotopes of nitrate assessment

International Journal of Poultry Science, 5(4), 318.

By: W. Showers*, C. Williams* & G. Jennings*

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Influence of seasonal primary productivity on delta C-13 of North Atlantic deep-sea benthic foraminifera

DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 53(4), 740–746.

By: B. Corliss*, X. Sun*, C. Brown* & W. Showers n

author keywords: benthic; foraminifera; deep-sea; paleoceanography; North Atlantic
Source: Web Of Science
Added: August 6, 2018

2006 review

The effect of primary productivity and seasonality on the distribution of deep-sea benthic foraminifera in the North Atlantic

[Review of ]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 53(1), 28–47.

By: X. Sun*, B. Corliss*, C. Brown* & W. Showers n

author keywords: deep-sea benthic foraminifera; primary productivity; seasonality; North Atlantic
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Evaluation of a nonlethal technique for hemolymph collection in Elliptio complanata, a freshwater bivalve (Mollusca: Unionidae)

Diseases of Aquatic Organisms, 65(2), 159–165.

By: L. Gustafson n, M. Stoskopf*, A. Bogan*, W. Showers*, T. Kwak*, S. Hanlon, J. Levine n

author keywords: unionidae; freshwater mussels; hemolymph; nonlethal sampling
MeSH headings : Animals; Bivalvia; Blood Specimen Collection / methods; Evaluation Studies as Topic; Fresh Water; Hemolymph / chemistry; North Carolina; Survival Analysis
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2005 journal article

Nitrate movement in shallow ground water from swine-lagoon-effluent spray fields managed under current application regulations

JOURNAL OF ENVIRONMENTAL QUALITY, 34(5), 1828–1842.

By: D. Israel n, W. Showers n, M. Fountain n & J. Fountain n

MeSH headings : Animals; Environmental Monitoring / legislation & jurisprudence; Environmental Monitoring / statistics & numerical data; Fresh Water / chemistry; Manure / analysis; Nitrates / analysis; Nitrogen Isotopes / analysis; North Carolina; Oxygen Isotopes / analysis; Sus scrofa; Water Movements; Water Pollutants, Chemical / analysis
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Reference ranges for hemolymph chemistries from Elliptio complanata of North Carolina

DISEASES OF AQUATIC ORGANISMS, 65(2), 167–176.

By: L. Gustafson*, M. Stoskopf*, W. Showers*, G. Cope, C. Eads*, R. Linnehan, T. Kwak*, B. Andersen*, J. Levine*

author keywords: Elliptio complanata; hemolymph; hematology; reference ranges
MeSH headings : Animals; Bivalvia / chemistry; Bivalvia / parasitology; Blood Chemical Analysis; Body Weights and Measures; Fresh Water; Geography; Hemolymph / chemistry; Likelihood Functions; North Carolina; Reference Values; Statistics, Nonparametric
Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

Low-level nitrate export from confined dairy farming detected in North Carolina streams using delta N-15

AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 95(1), 103–110.

By: J. Karr*, W. Showers n & G. Jennings n

author keywords: nitrate; delta N-15; water quality; animal waste; dairy farming
Source: Web Of Science
Added: August 6, 2018

2002 article

Application of classification-tree methods to identify nitrate sources in ground water

JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 31, pp. 1538–1549.

By: T. Spruill*, W. Showers n & S. Howe*

MeSH headings : Animals; Environmental Monitoring; Fertilizers; Manure; Models, Theoretical; Nitrates / analysis; Nitrates / classification; Poultry; Soil Pollutants / analysis; Swine; Water Pollutants / analysis; Water Supply
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Escalation and extinction selectivity: morphology versus isotopic reconstruction of bivalve metabolism.

Evolution, 56(2), 284–291.

By: G. Dietl*, P. Kelley, R. Barrick n & W. Showers n

MeSH headings : Animals; Biological Evolution; Fossils; Geologic Sediments; Maryland; Mollusca / anatomy & histology; Mollusca / classification; Mollusca / growth & development; Mollusca / metabolism; Oxygen Consumption; Species Specificity
Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Isotopic analysis of dinosaur bones

ANALYTICAL CHEMISTRY, 74(5), 142A–150A.

By: W. Showers*, R. Barrick* & B. Genna*

MeSH headings : Animals; Body Temperature Regulation / physiology; Bone and Bones / chemistry; Dinosaurs / physiology; Oxygen Isotopes / analysis; Phosphates / analysis
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Nitrate source identification using delta N-15 in a ground water plume near an intensive swine operation

GROUND WATER MONITORING AND REMEDIATION, 22(2), 68–75.

By: J. Karr, W. Showers* & T. Hinson

Source: Web Of Science
Added: August 6, 2018

2002 personal communication

Reply to comments on 'Isotopic analysis of dinosaur bones'

By: W. Showers* & B. Genna*

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Stable oxygen and hydrogen isotopic tracers in Amazon shelf waters during Amasseds

OCEANOLOGICA ACTA, 25(2), 71–78.

By: J. Karr n & W. Showers n

author keywords: Amazon; isotope; O-18; deuterium; hydrography
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Oxygen isotope variability in bones of wild caught and constant temperature reared sub-adult American alligators

JOURNAL OF THERMAL BIOLOGY, 26(3), 183–191.

By: M. Stoskopf n, R. Barrick n & W. Showers n

author keywords: bone; heterothermy; oxygen isotopes; alligator; reptile; thermoregulation
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Persistent solar influence on north Atlantic climate during the Holocene

SCIENCE, 294(5549), 2130–2136.

By: G. Bond*, B. Kromer*, J. Beer*, R. Muscheler*, M. Evans*, W. Showers n, S. Hoffmann*, R. Lotti-Bond*, I. Hajdas*, G. Bonani*

Source: Web Of Science
Added: August 6, 2018

2001 journal article

Tracing nitrate transport and environmental impact from intensive swine farming using delta nitrogen-15

JOURNAL OF ENVIRONMENTAL QUALITY, 30(4), 1163–1175.

By: J. Karr*, W. Showers n, J. Gilliam n & A. Andres*

MeSH headings : Agriculture; Ammonia / analysis; Animals; Ecosystem; Nitrates / analysis; Nitrogen Isotopes / analysis; Soil Pollutants / analysis; Swine; Waste Disposal, Fluid; Water Movements; Water Pollutants / analysis
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Oxygen isotopes from turtle bone: Applications for terrestrial paleoclimates?

PALAIOS, 14(2), 186–191.

By: R. Barrick*, A. Fischer & W. Showers*

Source: Web Of Science
Added: August 6, 2018

1999 article

Terrestrial organic carbon accumulation on the Amazon deep sea fan during the last glacial sea level low stand

Schlunz, B., Schneider, R. R., Muller, P. J., Showers, W. J., & Wefer, G. (1999, July 8). CHEMICAL GEOLOGY, Vol. 159, pp. 263–281.

By: B. Schlunz*, R. Schneider*, P. Muller*, W. Showers n & G. Wefer*

author keywords: Amazon fan; terrestrial organic carbon; sea level; accumulation budget
Source: Web Of Science
Added: August 6, 2018

1998 journal article

The thermoregulatory functions of the Triceratops frill and horns: Heat flow measured with oxygen isotopes

JOURNAL OF VERTEBRATE PALEONTOLOGY, 18(4), 746–750.

By: R. Barrick n, M. Stoskopf n, J. Marcot*, D. Russell n & W. Showers n

Source: Web Of Science
Added: August 6, 2018

1997 journal article

A pervasive millennial-scale cycle in North Atlantic Holocene and glacial climates

SCIENCE, 278(5341), 1257–1266.

By: G. Bond n, W. Showers n, M. Cheseby n, R. Lotti n, P. Almasi n, P. deMenocal n, P. Priore n, H. Cullen n, I. Hajdas n, G. Bonani n

Source: Web Of Science
Added: August 6, 2018

1997 journal article

Isotopic stratigraphy of Amazon fan sediments

Proceedings of the Ocean Drilling Program, 155(1997), 281–303.

By: W. Showers, R. Schneider, N. Mikkelson & M. Maslin

Source: NC State University Libraries
Added: August 6, 2018

1984 journal article

PRIMARY PRODUCTIVITY AND PARTICLE FLUXES ON A TRANSECT OF THE EQUATOR AT 153-DEGREES-W IN THE PACIFIC-OCEAN

DEEP-SEA RESEARCH PART A-OCEANOGRAPHIC RESEARCH PAPERS, 31(1), 1–11.

By: P. Betzer*, W. Showers n, E. Laws*, C. Winn*, G. Ditullio* & P. Kroopnick*

Source: Web Of Science
Added: August 6, 2018