Search Results - "David A. Dickey"

Environmental and Plant-Derived Controls on the Seasonality and Partitioning of Soil Respiration in an American Sycamore (Platanus occidentalis) Bioenergy Plantation Grown at Different Planting Densities by Suna Morkoc, Maricar Aguilos, Asko Noormets, Kevan J. Minick, Omoyemeh Ile, David A. Dickey, Deanna Hardesty, Maccoy Kerrigan, Joshua Heitman, John King

“…Bioenergy is one of the most considered alternatives to fossil fuels. Short-rotation woody crops (SRWCs) as bioenergy sources are capable of alleviating energy…”
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Comprehensive Trend Analysis of Nutrients and Related Variables in a Large Eutrophic Estuary: A Decadal Study of Anthropogenic and Climatic Influences by Burkholder, JoAnn M., Dickey, David A., Carol A. Kinder, Reed, Robert E., Mallin, Michael A., McIver, Matthew R., Cahoon, Lawrence B., Melia, Greg, Brownie, Cavell, Joy Smith, Deamer, Nora, Springer, Jeffrey, Glasgow, Howard B., Toms, David

“…We used a decadal data set, with weekly to biweekly sampling in April-October and monthly sampling in November-March, to characterize climatic (hurricane-level…”
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Classic indicators and diel dissolved oxygen versus trend analysis in assessing eutrophication of potable‐water reservoirs by Burkholder, JoAnn M., Kinder, Carol A., Dickey, David A., Reed, Robert E., Arellano, Consuelo, James, Jennifer L., Mackenzie, Linda M., Allen, Elle H., Lindor, Nicole L., Mathis, Joshua G., Thomas, Zachary T.

“…Potable source‐water reservoirs are the main water supplies in many urbanizing regions, yet their long‐term responses to cultural eutrophication are poorly…”
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Growth, Development, and Mineral Nutrient Accumulation and Distribution in Tulip from Planting through Postanthesis Shoot Senescence by Niedziela, Carl E., Dickey, David A., Nelson, Paul V.

“…Tulips were grown under field conditions from mid-November through early-June. Plants were harvested and dissected into eight organs on twenty-one dates. These…”
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Establishing the relationship of soil nitrogen immobilization to cereal rye residues in a mulched system by Williams, Alwyn, Wells, M. Scott, Dickey, David A., Hu, Shuijin, Maul, Jude, Raskin, Daniel T., Reberg-Horton, S. Chris, Mirsky, Steven B.

“…Background and aims Soil nitrogen (N) immobilization from cover crop residues may help suppress weeds. We established a gradient of cereal rye shoot biomass to…”
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Asymptotic analysis of non-periodical cointegration with high seasonals by Dickey, David A., González-Farías, Graciela, Muriel, Nelson

“…Cointegration tests are studied for seasonal time series with large periods. The study is performed asymptotically as the period tends to infinity, which is…”
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Estimating time series and cross section tourism demand models: Mainland United States to Hawaii data by Nelson, Larry A., Dickey, David A., Smith, Joy M.

“…A study of factors affecting the number of visitors to Hawaii during the period 1993–2007 prompted by an observed waning of the U. S. mainland to Hawaii…”
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Are electricity prices affected by the US dollar to Euro exchange rate? The Spanish case by Muñoz, M. Pilar, Dickey, David A.

“…The objective of this paper is to investigate the relationships between Spanish electricity spot prices and the US dollar/Euro (USD/Euro) exchange rate during…”
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The relation of stroke admissions to recent weather, airborne allergens, air pollution, seasons, upper respiratory infections, and asthma incidence, September 11, 2001, and day of the week by LOW, Ronald B, BIELORY, Leonard, QURESHI, Adnan I, DUNN, Van, STUHLMILLER, David F. E, DICKEY, David A

“…Some previous research links stroke incidence to weather, some links strokes to air pollution, and some report seasonal effects. Alveolar inflammation was…”
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Mercury(II) Bioaccumulation and Antioxidant Physiology in Four Aquatic Insects by Xie, Lingtian, Flippin, Jennifer L, Deighton, Nigel, Funk, David H, Dickey, David A, Buchwalter, David B

“…We examined Hg(II) bioaccumulation and compartmentalization patterns in conjunction with antioxidant responses in four aquatic insect species: two caddisflies…”
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Identifying Soybean Traits of Interest for Weed Competition by Place, George T, Reberg-Horton, S. Chris, Dickey, David A, Carter, Thomas E

“…Organic soybean [Glycine Max (L.) Merr.] producers rely on a variety of tactics for weed management. The use of soybean cultivars with enhanced ability to…”
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Search for possible solar influences in Ra-226 decays by Stancil, Daniel D., Balci Yegen, Sümeyra, Dickey, David A., Gould, Chris R.

“…Measurements of Ra-226 activity from eight HPGe gamma ray detectors at the NC State University PULSTAR Reactor were analyzed for evidence of periodic…”
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Winter winds and river discharge determine juvenile southern flounder ( Paralichthys lethostigma) recruitment and distribution in North Carolina estuaries by Taylor, J. Christopher, Miller, John M., Pietrafesa, Leonard J., Dickey, David A., Ross, Steve W.

“…Retrospective analyses of a 23 year data set on abundance of Age 0 southern flounder in 105 estuarine nursery areas in the coastal region of North Carolina…”
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Atmospheric transport and wet deposition of ammonium in North Carolina by Walker, John T., Aneja, Viney P., Dickey, David A.

“…Wet deposition and transport analysis has been performed for ammonium (NH 4 +) in North Carolina, USA. Multiple regression analysis is employed to model the…”
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Temporal analysis of the frequency and duration of low and high streamflow: years of record needed to characterize streamflow variability by Huh, Seungho, Dickey, David A., Meador, M.R., Ruhl, K.E.

“…A temporal analysis of the number and duration of exceedences of high- and low-flow thresholds was conducted to determine the number of years required to…”
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Water level variations in the Neuse and Pamlico Estuaries, North Carolina due to local and remote forcing by Reed, Robert E., Dickey, David A., Burkholder, JoAnn M., Kinder, Carol A., Brownie, Cavell

“…Water level time series records from the Neuse and Pamlico River Estuaries were statistically compared to local and distant wind field data, water level…”
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Determining the Order of Differencing in Autoregressive Processes by Dickey, David A., Pantula, Sastry G.

“…One way of handling nonstationarity in time series is to compute first differences and fit a model to the differenced series unless the differenced series also…”
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Likelihood Ratio Statistics for Autoregressive Time Series with a Unit Root by Dickey, David A., Fuller, Wayne A.

“…Let the time series Yt satisfy $Y_{t}=\alpha +\rho Y_{t-1}+e_{t}$, where Y1 is fixed and the et are normal independent (0, σ 2) random variables. The…”
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An Automated Statistical Process Control Study of Inline Mixing Using Spectrophotometric Detection by Dickey, David A, Dickey, Michael D, Stewart, Michael D, Willson, C. Grant

“…Statistical process control (SPC) charts are used to distinguish natural, random variations in a process parameter from fluctuations associated with an…”
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Testing for a Unit Root Nonstationarity in Multivariate Autoregressive Time Series by Fountis, Nicolaos G., Dickey, David A.

“…The characteristic equation of a multiple autoregressive time series involves the eigenvalues of a matrix equation which determine if the series is stationary…”
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