William Showers

Baker, E. B., & Showers, W. J. (2019). Hysteresis analysis of nitrate dynamics in the Neuse River, NC. SCIENCE OF THE TOTAL ENVIRONMENT, 652, 889–899. https://doi.org/10.1016/j.scitotenv.2018.10.254

Hurley-Sanders, J. L., Levine, J. F., Nelson, S. A. C., Law, J. M., Showers, W. J., & Stoskopf, M. K. (2015). Key metabolites in tissue extracts ofElliptio complanataidentified using1H nuclear magnetic resonance spectroscopy. Conservation Physiology, 3(1), cov023. https://doi.org/10.1093/conphys/cov023

Hurley-Sanders, J. L., Stoskopf, M., Nelson, S. A. C., Showers, W., Law, J. M., Gracz, H. S., & Levine, J. F. (2015). Tissue extraction methods for metabolic profiling of a freshwater bivalve, Elliptio complanata. American Malacological Bulletin, 33(2), 185–194. https://doi.org/10.4003/006.033.0209

Bucci, J. P., Levine, J. F., & Showers, W. J. (2011). 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. https://doi.org/10.1080/02705060.2011.553817

Corliss, B. H., Brown, C. W., Sun, X., & Showers, W. J. (2009). Deep-sea benthic diversity linked to seasonality of pelagic productivity. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 56(5), 835–841. https://doi.org/10.1016/j.dsr.2008.12.009

Bucci, J. P., Showers, W. J., Genna, B., & Levine, J. F. (2009). Stable oxygen and carbon isotope profiles in an invasive bivalve (Corbicula fluminea) in North Carolina watersheds. Geochimica Et Cosmochimica Acta, 73(11), 3234–3247. https://doi.org/10.1016/j.gca.2009.03.023

Occhipinti, C., Aneja, V. P., Showers, W., & Niyogi, D. (2008). 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. https://doi.org/10.3155/1047-3289.58.9.1215

Showers, W. J., Genna, B., McDade, T., Bolich, R., & Fountain, J. C. (2008). Nitrate contamination in groundwater on an urbanized dairy farm. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(13), 4683–4688. https://doi.org/10.1021/es071551t

Michalski, G., Kasem, M., Rech, J. A., Adieu, S., Showers, W. S., Genna, B., & Thiemens, M. (2008). Uncertainties in the oxygen isotopic composition of barium sulfate induced by coprecipitation of nitrate. RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 22(19), 2971–2976. https://doi.org/10.1002/rcm.3687

Bucci, J. P., Showers, W. J., Levine, J. F., & Usry, B. (2008). Valve Gape Response to Turbidity in Two Freshwater Bivalves (Corbicula flumineaandLampsilis radiata). Journal of Freshwater Ecology, 23(3), 479–483. https://doi.org/10.1080/02705060.2008.9664229

Bucci, J. P., Rebach, S., Demaster, D., & Showers, W. J. (2007). A comparison of blue crab and bivalve delta N-15 tissue enrichment in two North Carolina estuaries. Environmental Pollution, 145(1), 299–308. https://doi.org/10.1016/j.envpol.2006.03.009

Johnson, K. S., Needoba, J. A., Riser, S. C., & Showers, W. J. (2007). [Review of Chemical sensor networks for the aquatic environment]. CHEMICAL REVIEWS, 107(2), 623–640. https://doi.org/10.1021/cr050354e

Bucci, J. P., Showers, W. J., Rebach, S., DeMaster, D., & Genna, B. (2007). 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. https://doi.org/10.1007/BF02841395

Gustafson, L., Showers, W., Kwak, T., Levine, J., & Stoskopf, M. (2007). Temporal and spatial variability in stable isotope compositions of a freshwater mussel: implications for biomonitoring and ecological studies. OECOLOGIA, 152(1), 140–150. https://doi.org/10.1007/s00442-006-0633-7

Showers, W. J., Williams, C. M., & Jennings, G. D. (2006). Impact of large poultry operations on groundwater: Stable 15N isotopes of nitrate assessment. International Journal of Poultry Science, 5(4), 318. https://doi.org/10.3923/ijps.2006.318.329

Corliss, B. H., Sun, X., Brown, C. W., & Showers, W. J. (2006). 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. https://doi.org/10.1016/j.dsr.2006.01.006

Sun, X. C., Corliss, B. H., Brown, C. W., & Showers, W. J. (2006). [Review of The effect of primary productivity and seasonality on the distribution of deep-sea benthic foraminifera in the North Atlantic]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 53(1), 28–47. https://doi.org/10.1016/j.dsr.2005.07.003

Gustafson, L. L., Stoskopf, M. K., Bogan, A. E., Showers, W., Kwak, T. J., Hanlon, S., & Levine, J. F. (2005). Evaluation of a nonlethal technique for hemolymph collection in Elliptio complanata, a freshwater bivalve (Mollusca: Unionidae). Diseases of Aquatic Organisms, 65(2), 159–165. https://doi.org/10.3354/dao065159

Israel, D. W., Showers, W. J., Fountain, M., & Fountain, J. (2005). 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. https://doi.org/10.2134/jeq2004.0338

Gustafson, L. L., Stoskopf, M. K., Showers, W., Cope, G., Eads, C., Linnehan, R., … Levine, J. F. (2005). Reference ranges for hemolymph chemistries from Elliptio complanata of North Carolina. DISEASES OF AQUATIC ORGANISMS, 65(2), 167–176. https://doi.org/10.3354/dao065167

Karr, J. D., Showers, W. J., & Jennings, G. D. (2003). Low-level nitrate export from confined dairy farming detected in North Carolina streams using delta N-15. AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 95(1), 103–110. https://doi.org/10.1016/S0167-8809(02)00103-2

Spruill, T. B., Showers, W. J., & Howe, S. S. (2002). Application of classification-tree methods to identify nitrate sources in ground water. JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 31, pp. 1538–1549. https://doi.org/10.2134/jeq2002.1538

Dietl, G. P., Kelley, P. H., Barrick, R., & Showers, W. (2002). Escalation and extinction selectivity: morphology versus isotopic reconstruction of bivalve metabolism. Evolution, 56(2), 284–291. https://doi.org/10.1111/j.0014-3820.2002.tb01338.x

Showers, W. J., Barrick, R., & Genna, B. (2002). Isotopic analysis of dinosaur bones. ANALYTICAL CHEMISTRY, 74(5), 142A–150A. https://doi.org/10.1021/ac021968b

Karr, J. D., Showers, W. J., & Hinson, T. H. (2002). 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. https://doi.org/10.1111/j.1745-6592.2002.tb00314.x

Showers, W. J., & Genna, B. (2002). Reply to comments on 'Isotopic analysis of dinosaur bones'. https://doi.org/10.1021/ac022060o

Karr, J. D., & Showers, W. J. (2002). Stable oxygen and hydrogen isotopic tracers in Amazon shelf waters during Amasseds. OCEANOLOGICA ACTA, 25(2), 71–78. https://doi.org/10.1016/S0399-1784(02)01183-0

Stoskopf, M. K., Barrick, R. E., & Showers, W. J. (2001). Oxygen isotope variability in bones of wild caught and constant temperature reared sub-adult American alligators. JOURNAL OF THERMAL BIOLOGY, 26(3), 183–191. https://doi.org/10.1016/S0306-4565(00)00041-3

Bond, G., Kromer, B., Beer, J., Muscheler, R., Evans, M. N., Showers, W., … Bonani, G. (2001). Persistent solar influence on north Atlantic climate during the Holocene. SCIENCE, 294(5549), 2130–2136. https://doi.org/10.1126/science.1065680

Karr, J. D., Showers, W. J., Gilliam, J. W., & Andres, A. S. (2001). Tracing nitrate transport and environmental impact from intensive swine farming using delta nitrogen-15. JOURNAL OF ENVIRONMENTAL QUALITY, 30(4), 1163–1175. https://doi.org/10.2134/jeq2001.3041163x

Barrick, R. E., Fischer, A. G., & Showers, W. J. (1999). Oxygen isotopes from turtle bone: Applications for terrestrial paleoclimates? PALAIOS, 14(2), 186–191. https://doi.org/10.2307/3515374

Schlunz, B., Schneider, R. R., Muller, P. J., Showers, W. J., & Wefer, G. (1999, July 8). Terrestrial organic carbon accumulation on the Amazon deep sea fan during the last glacial sea level low stand. CHEMICAL GEOLOGY, Vol. 159, pp. 263–281. https://doi.org/10.1016/S0009-2541(99)00041-8

Barrick, R. E., Stoskopf, M. K., Marcot, J. D., Russell, D. A., & Showers, W. J. (1998). The thermoregulatory functions of the Triceratops frill and horns: Heat flow measured with oxygen isotopes. JOURNAL OF VERTEBRATE PALEONTOLOGY, 18(4), 746–750. https://doi.org/10.1080/02724634.1998.10011103

Bond, G., Showers, W., Cheseby, M., Lotti, R., Almasi, P., deMenocal, P., … Bonani, G. (1997). A pervasive millennial-scale cycle in North Atlantic Holocene and glacial climates. SCIENCE, 278(5341), 1257–1266. https://doi.org/10.1126/science.278.5341.1257

Showers, W. J., Schneider, R., Mikkelson, N., & Maslin, M. (1997). Isotopic stratigraphy of Amazon fan sediments. Proceedings of the Ocean Drilling Program, 155(1997), 281–303.

BETZER, P. R., SHOWERS, W. J., LAWS, E. A., WINN, C. D., DITULLIO, G. R., & KROOPNICK, P. M. (1984). 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. https://doi.org/10.1016/0198-0149(84)90068-2