Works (49)

Updated: November 29th, 2024 05:03

2024 article

Characterizing Spatiotemporal Variability in Phosphorus Export across the United States through Bayesian Hierarchical Modeling

Karimi, K., & Obenour, D. R. (2024, May 17). ENVIRONMENTAL SCIENCE & TECHNOLOGY, Vol. 5.

By: K. Karimi n & D. Obenour n

author keywords: watershed modeling; nutrients; pollution; hydrologic losses; geogenic sources
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 22, 2024

2024 journal article

Effective Nutrient Management of Surface Waters in the United States Requires Expanded Water Quality Monitoring in Agriculturally Intensive Areas

ACS Environmental Au.

By: C. Oates, H. Fajardo, K. Grieger, D. Obenour, R. Muenich & N. Nelson

Source: ORCID
Added: November 28, 2024

2024 article

Relationships between soil test phosphorus and county-level agricultural surplus phosphorus

Tang, Q., Duckworth, O. W., Obenour, D. R., Kulesza, S. B., Slaton, N. A., Whitaker, A. H., & Nelson, N. G. (2024, September 10). JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 9.

By: Q. Tang n, O. Duckworth n, D. Obenour n, S. Kulesza n, N. Slaton*, A. Whitaker*, N. Nelson n

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 15, 2024

2024 article

Trends and drivers of hypoxic thickness and volume in the Northern Gulf of Mexico: 1985-2018

Matli, V. R. R., & Obenour, D. (2024, April 15).

By: V. Matli n & D. Obenour n

UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: ORCID
Added: April 22, 2024

2024 journal article

Water quality-fisheries tradeoffs in a changing climate underscore the need for adaptive ecosystem-based management

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 121(45).

By: D. Scavia, S. Ludsin, A. Michalak, D. Obenour, M. Han, L. Johnson, Y. Wang, G. Zhao, Y. Zhou

author keywords: hypoxia; ecological forecasting; eutrophication; climate change; fisheries
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 28, 2024

2023 journal article

An estuary stress index based on nekton relationships with thematic watershed stressors

ECOLOGICAL INDICATORS, 154.

By: K. Li, K. Blackhart, J. Miller* & D. Obenour*

author keywords: Estuaries; Nekton; Stressors; Pollutants; Hierarchical modeling; Meta-analysis
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 28, 2023

2023 article

Bayesian hierarchical modeling characterizes spatio-temporal variability in phosphorus export across the contiguous United States

Karimi, K., & Obenour, D. (2023, May 15).

By: K. Karimi & D. Obenour*

UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: ORCID
Added: February 26, 2023

2023 journal article

Contrasting Annual and Summer Phosphorus Export Using a Hybrid Bayesian Watershed Model

WATER RESOURCES RESEARCH, 59(1).

By: K. Karimi n, J. Miller n, A. Sankarasubramanian n & D. Obenour n

author keywords: Bayesian modeling; watershed; land use; nutrient retention; precipitation; seasonal export
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 23, 2022

2023 journal article

Estimating the benefits of stream water quality improvements in urbanizing watersheds: An ecological production function approach

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 120(18).

By: R. Haefen n, G. Van Houtven*, A. Naumenko*, D. Obenour n, J. Miller n, M. Kenney*, M. Gerst*, H. Waters*

author keywords: nonmarket valuation; water quality; urban streams; stated preference
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 11, 2023

2022 journal article

Advancing freshwater ecological forecasts: Harmful algal blooms in Lake Erie

SCIENCE OF THE TOTAL ENVIRONMENT, 856.

By: D. Scavia*, Y. Wang* & D. Obenour n

author keywords: Bayesian; Lake Erie; Ecological forecasts; Harmful algal blooms
MeSH headings : Harmful Algal Bloom; Lakes; Ecosystem; Bayes Theorem; Phosphorus
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: October 31, 2022

2022 journal article

Per- and polyfluoroalkyl substances (PFAS) in river discharge: Modeling loads upstream and downstream of a PFAS manufacturing plant in the Cape Fear watershed, North Carolina

SCIENCE OF THE TOTAL ENVIRONMENT, 831.

author keywords: PFAS; Mass load; Model; Source tracking; Environmental monitoring; Drinking water
MeSH headings : Alkanesulfonic Acids / analysis; Drinking Water; Fluorocarbons / analysis; Humans; Manufacturing and Industrial Facilities; North Carolina; Water Pollutants, Chemical / analysis
Sources: Web Of Science, NC State University Libraries
Added: May 31, 2022

2022 journal article

Temporally resolved coastal hypoxia forecasting and uncertainty assessment via Bayesian mechanistic modeling

HYDROLOGY AND EARTH SYSTEM SCIENCES, 26(4), 1131–1143.

By: A. Katin n, D. Del Giudice n & D. Obenour n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 28, 2022

2021 journal article

Assessing inter-annual variability in nitrogen sourcing and retention through hybrid Bayesian watershed modeling

Hydrology and Earth System Sciences, 2.

Sources: ORCID, Crossref, NC State University Libraries
Added: February 10, 2021

2021 journal article

Assessing interannual variability in nitrogen sourcing and retention through hybrid Bayesian watershed modeling

HYDROLOGY AND EARTH SYSTEM SCIENCES, 25(5), 2789–2804.

By: J. Miller n, K. Karimi n, A. Sankarasubramanian n & D. Obenour n

UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 26, 2021

2021 article

Daily hypoxia forecasting and uncertainty assessment via Bayesian mechanistic model for the Northern Gulf of Mexico

Katin, A., Giudice, D. D., & Obenour, D. R. (2021, April 29).

By: A. Katin n, D. Giudice n & D. Obenour n

UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: ORCID
Added: April 30, 2021

2021 journal article

Simulating algal dynamics within a Bayesian framework to evaluate controls on estuary productivity

ECOLOGICAL MODELLING, 447.

By: A. Katin n, D. Del Giudice n, N. Hall*, H. Paerl* & D. Obenour n

author keywords: Eutrophication; Phytoplankton; Modeling; Bayesian inference; Nutrient management; Neuse River Estuary
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 26, 2021

2021 article

Supplementary material to "Assessing inter-annual variability in nitrogen sourcing and retention through hybrid Bayesian watershed modeling"

Miller, J. W., Karimi, K., Sankarasubramanian, A., & Obenour, D. R. (2021, February 9). (Vol. 2). Vol. 2.

Source: ORCID
Added: February 10, 2021

2021 article

Supplementary material to "Daily hypoxia forecasting and uncertainty assessment via Bayesian mechanistic model for the Northern Gulf of Mexico"

Katin, A., Giudice, D. D., & Obenour, D. R. (2021, April 29).

By: A. Katin n, D. Giudice n & D. Obenour n

UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: ORCID
Added: April 30, 2021

2020 journal article

Application of packed bed reactor theory and Bayesian inference to upweller culture of juvenile oysters

AQUACULTURAL ENGINEERING, 90.

By: M. Campbell n, S. Hall n & D. Obenour n

author keywords: Oysters; Upweller; Packed bed; Axial diffusion; Bayesian inference
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 10, 2020

2020 article

Assessing within-lake nutrient cycling through multi-decadal Bayesian mechanistic modeling

Obenour, D., Giudice, D. D., Aupperle, M., & Sankarasubramanian, A. (2020, March 23).

By: D. Obenour*, D. Giudice, M. Aupperle & A. Sankarasubramanian

Source: ORCID
Added: March 10, 2020

2020 journal article

Elucidating controls on cyanobacteria bloom timing and intensity via Bayesian mechanistic modeling

SCIENCE OF THE TOTAL ENVIRONMENT, 755.

By: D. Del Giudice n, S. Fang n, D. Scavia*, T. Davis*, M. Evans* & D. Obenour n

author keywords: Eutrophication; Harmful algal blooms; Bayesian inference; Process-based modeling; Great Lakes; Hindcasts and projections
MeSH headings : Bayes Theorem; Chlorophyll A; Cyanobacteria; Eutrophication; Harmful Algal Bloom; Lakes; Phosphorus
TL;DR: A mechanistic model describing June-October dynamics of chlorophyll a, nitrogen, and phosphorus near the Maumee River outlet, where blooms typically initiate and are most severe, highlights the role of temperature in regulating bloom initiation and subsequent loss rates and suggests that a 2 °C increase could lead to blooms that start about 10 days earlier and grow 23% more intense. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 11, 2021

2020 journal article

Exploring nutrient and light limitation of algal production in a shallow turbid reservoir

ENVIRONMENTAL POLLUTION, 269.

By: Y. Han n, T. Aziz n, D. Del Giudice n, N. Hall* & D. Obenour n

author keywords: Cyanobacteria; Eutrophic reservoir; Nutrients; Mixing; Modeling
MeSH headings : Bayes Theorem; Environmental Monitoring; Eutrophication; Jordan; Lakes; North Carolina; Nutrients; Phosphorus / analysis
TL;DR: It is indicated that nutrient reductions, rather than changes in mixing or background turbidity, are critical to controlling cyanobacteria in a shallow eutrophic freshwater system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 15, 2021

2020 journal article

Fusion-Based Hypoxia Estimates: Combining Geostatistical and Mechanistic Models of Dissolved Oxygen Variability

Environmental Science & Technology, 54(20), 13016–13025.

By: V. Matli n, A. Laurent*, K. Fennel*, K. Craig*, J. Krause* & D. Obenour n

MeSH headings : Ecosystem; Environmental Monitoring; Gulf of Mexico; Humans; Hypoxia; Oxygen / analysis; Seasons
TL;DR: A space-time geostatistical framework for synthesizing DO observations with hydrodynamic-biogeochemical model simulations and meteorological time series (as covariates) is developed, which reduces hypoxic area uncertainties by 11% on average, and up to 40% in months with sparse sampling. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Source: ORCID
Added: October 2, 2020

2020 journal article

Quantifying uncertainty cascading from climate, watershed, and lake models in harmful algal bloom predictions

SCIENCE OF THE TOTAL ENVIRONMENT, 759.

author keywords: Integrating models; Error analysis; Monte Carlo; Forecasting
MeSH headings : Canada; Harmful Algal Bloom; Lakes; Phosphorus; Uncertainty
TL;DR: This study integrated an ensemble of four climate models, three watershed models, and four HAB models to show that climate impacts on watershed processes are likely to lead to reductions in future loading, assuming land use and watershed management practices are unchanged. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 15, 2021

2019 journal article

Assessing Vertical Diffusion and Cyanobacteria Bloom Potential in a Shallow Eutrophic Reservoir

LAKE AND RESERVOIR MANAGEMENT, 36(2), 169–185.

By: Y. Han n, J. Smithheart n, R. Smyth*, T. Aziz n & D. Obenour n

author keywords: Algal bloom; artificial mixing; cyanobacteria; diffusion; turbid lake
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 6, 2020

2019 journal article

Assessing potential anthropogenic drivers of ecological health in Piedmont streams through hierarchical modeling

FRESHWATER SCIENCE, 38(4), 771–789.

By: J. Miller n, M. Paul* & D. Obenour n

author keywords: biological assessment; anthropogenic stressors; watershed development; stream restoration; stream buffers; mixed-effects models; macroinvertebrates
TL;DR: It is found that watershed impervious cover (IC) is the best predictor of biotic index (BI) values, and the model suggests that newer development (post-1980) degrades stream health 30% less than older development. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: December 9, 2019

2019 journal article

Bayesian mechanistic modeling characterizes Gulf of Mexico hypoxia: 1968-2016 and future scenarios

ECOLOGICAL APPLICATIONS, 30(2).

By: D. Del Giudice n, V. Matli n & D. Obenour n

author keywords: Bayesian inference; climate change; dead hypoxic zones; eutrophication; Gulf of Mexico; hindcasts and projections; process-based modeling; riverine nitrogen; uncertainty quantification
MeSH headings : Bayes Theorem; Ecosystem; Environmental Monitoring; Gulf of Mexico; Humans; Hypoxia; Oxygen
TL;DR: New geostatistical estimates of hypoxia derived from nearly 150 monitoring cruises and a process-based model are used to improve characterization of controlling mechanisms, historic trends, and future responses of Hypoxia while rigorously quantifying uncertainty in a Bayesian framework. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 16, 2019

2018 journal article

Hierarchical modeling assessment of the influence of watershed stressors on fish and invertebrate species in Gulf of Mexico estuaries

Ecological Indicators, 90, 142–153.

By: J. Miller n, P. Esselman*, I. Alameddine*, K. Blackhart* & D. Obenour n

author keywords: Biological assessment; Species indicators; Anthropogenic stressors; Hierarchical modeling; Watershed development; Gulf of Mexico
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Sources: Crossref, ORCID
Added: December 19, 2018

2018 journal article

Hypoxic volume is more responsive than hypoxic area to nutrient load reductions in the northern Gulf of Mexico-and it matters to fish and fisheries

ENVIRONMENTAL RESEARCH LETTERS, 14(2).

author keywords: hypoxic volume; Gulf of Mexico; models; nitrogen
TL;DR: Model simulations indicate that even under a modest 25% nitrogen load reduction, the thickness of the hypoxic layer in the northern Gulf of Mexico decreases markedly, and hypoxia remains localized to a relatively thin layer near the bottom that most fish and other mobile organisms can more effectively avoid. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 25, 2019

2018 journal article

Leveraging Spatial and Temporal Variability to Probabilistically Characterize Nutrient Sources and Export Rates in a Developing Watershed

Water Resources Research.

By: H. Strickling n & D. Obenour n

author keywords: hybrid watershed modeling; nutrients; nitrogen loading; Bayesian modeling; export coefficients; land use change
Source: ORCID
Added: December 19, 2018

2018 journal article

Relating soil geochemical properties to arsenic bioaccessibility through hierarchical modeling

Journal of Toxicology and Environmental Health, Part A, 81(6), 160–172.

By: C. Nelson*, K. Li n, D. Obenour n, J. Miller n, J. Misenheimer, K. Scheckel*, A. Betts*, A. Juhasz*, D. Thomas*, K. Bradham*

author keywords: soil; arsenic; bioaccessibility; hierarchical modeling; properties
MeSH headings : Arsenic / metabolism; Arsenic / pharmacokinetics; Biological Availability; Environmental Monitoring / methods; Models, Theoretical; Soil / chemistry; Soil Pollutants / metabolism; Soil Pollutants / pharmacokinetics
TL;DR: A developed hierarchical approach provides a novel tool to explore relationships between soil properties and As bioaccessibility across a broad range of soil types and As contaminant sources encountered in the environment and identify areas of future mechanistic research to better understand the complexity of interactions between soil Properties and AsBioaccessibility. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Crossref, ORCID
Added: December 19, 2018

2018 journal article

Space-Time Geostatistical Assessment of Hypoxia in the Northern Gulf of Mexico

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 52(21), 12484–12493.

MeSH headings : Gulf of Mexico; Humans; Hypoxia; Oxygen; Seasons; Water
TL;DR: An innovative space-time geostatistical model and data collected by multiple research organizations are used to estimate bottom-water dissolved oxygen concentrations and hypoxic area across summers from 1985 to 2016, finding that 27% of variability in BWDO is explained by deterministic trends with location, depth, and date, while correlated stochasticity accounts for 62% of observational variance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 3, 2018

2017 journal article

Ensemble modeling informs hypoxia management in the northern Gulf of Mexico

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 114(33), 8823–8828.

By: D. Scavia*, I. Bertani*, D. Obenour n, R. Turner*, D. Forrest* & A. Katin n

author keywords: ensemble modeling; hypoxia; Gulf of Mexico; nitrogen-loading targets
TL;DR: This work addresses policy-relevant questions raised by Gulf stakeholders and decision-makers using an ensemble approach that integrates results from multiple hypoxia models, and indicates that, under typical weather conditions, a 59% reduction in Mississippi River nitrogen load is required to reduce hypoxic area to 5,000 km2. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Relationship Between Total and Bioaccessible Lead on Children's Blood Lead Levels in Urban Residential Philadelphia Soils

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 51(17), 10005–10011.

By: K. Bradham*, C. Nelson*, J. Kelly*, A. Pomales*, K. Scruton*, T. Dignam*, J. Misenheimer*, K. Li n, D. Obenour n, D. Thomas*

MeSH headings : Biological Availability; Child; Child, Preschool; Humans; Lead / analysis; Lead / blood; Philadelphia; Soil; Soil Pollutants / analysis; Urban Population
TL;DR: Relationships between total soil or bioaccessible lead (Pb), measured using an in vitro bioaccessibility assay, and children's blood lead levels (BLL) were investigated in an urban neighborhood in Philadelphia, PA, with a history of soil Pb contamination. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 conference paper

Non-point source evaluation of groundwater contamination from agriculture under geologic and hydrologic uncertainty

World Environmental and Water Resources Congress 2016: Environmental, Sustainability, Groundwater, Hydraulic Fracturing, and Water Distribution Systems analysis, 329–336.

By: R. Ayub n, D. Obenour n, K. Messier*, M. Serre* & K. Mahinthakumar n

Contributors: R. Ayub n, D. Obenour n, K. Messier*, M. Serre* & K. Mahinthakumar n

Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Probabilistically assessing the role of nutrient loading in harmful algal bloom formation in western Lake Erie

JOURNAL OF GREAT LAKES RESEARCH, 42(6), 1184–1192.

By: I. Bertani*, D. Obenour n, C. Steger*, C. Stow*, A. Gronewold* & D. Scavia*

author keywords: Cyanobacteria blooms; Phosphorus load; Bayesian hierarchical model
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Satellite‐based empirical models linking river plume dynamics with hypoxic area and volume

Geophysical Research Letters, 43(6), 2693–2699.

By: C. Le*, J. Lehrter*, C. Hu* & D. Obenour n

Sources: Crossref, ORCID
Added: December 19, 2018

2016 journal article

Tracking cyanobacteria blooms: Do different monitoring approaches tell the same story?

SCIENCE OF THE TOTAL ENVIRONMENT, 575, 294–308.

By: I. Bertani*, C. Steger*, D. Obenour n, G. Fahnenstiel*, T. Bridgeman*, T. Johengen*, M. Sayers*, R. Shuchman*, D. Scavia*

author keywords: Cyanobacterial harmful algal blooms; Water quality; Long-term time series; Boosted regression trees; Biophysical drivers
MeSH headings : Cyanobacteria / growth & development; Environmental Monitoring / methods; Eutrophication; Lakes; Temperature; Wind
TL;DR: The results highlight the need to develop methods to integrate multiple data sources to better characterize bloom spatio-temporal variability and improve the ability to understand and predict cyanobacteria blooms. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Assessing biophysical controls on Gulf of Mexico hypoxia through probabilistic modeling

Ecological Applications, 25(2), 492–505.

By: D. Obenour, A. Michalak & D. Scavia

Source: ORCID
Added: December 19, 2018

2015 journal article

Independent Data Validation of an in Vitro Method for the Prediction of the Relative Bioavailability of Arsenic in Contaminated Soils

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 49(10), 6312–6318.

By: K. Bradham*, C. Nelson*, A. Juhasz*, E. Smith*, K. Scheckel*, D. Obenour n, B. Miller*, D. Thomas*

MeSH headings : Animals; Arsenic / pharmacokinetics; Biological Availability; Environmental Exposure / analysis; Environmental Monitoring / methods; Female; Mice; Mice, Inbred C57BL; Soil Pollutants / pharmacokinetics
TL;DR: A robust linear model was developed to predict As RBA in mice using IVBA, and the predictive capability of the model was independently validated using a unique set of As-contaminated soils. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Mapping the spatial distribution of the biomass and filter-feeding effect of invasive dreissenid mussels on the winter-spring phytoplankton bloom in Lake Michigan

FRESHWATER BIOLOGY, 60(11), 2270–2285.

By: M. Rowe*, D. Obenour n, T. Nalepa*, H. Vanderploeg*, F. Yousef* & W. Kerfoot*

author keywords: benthos; GIS; invasive species; invertebrates; lakes; modelling; physical environment; population; statistics
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Using a Bayesian hierarchical model to improve Lake Erie cyanobacteria bloom forecasts

Water Resources Research, 50(10), 7847–7860.

By: D. Obenour*, A. Gronewold*, C. Stow* & D. Scavia*

author keywords: Bayesian hierarchical modeling; gamma distribution; Lake Erie; cyanobacteria; phosphorus loading; harmful algal blooms
Sources: Crossref, ORCID
Added: December 19, 2018

2013 journal article

A Scenario and Forecast Model for Gulf of Mexico Hypoxic Area and Volume

Environmental Science & Technology, 47(18), 10423–10428.

By: D. Scavia*, M. Evans* & D. Obenour*

MeSH headings : Bayes Theorem; Gulf of Mexico; Markov Chains; Models, Theoretical; Monte Carlo Method; Nitrogen / analysis; Oxygen / analysis
TL;DR: This application eliminates the need to cull observations and provides revised hypoxic extent estimates with uncertainties corresponding to different nutrient loading reduction scenarios, and the corresponding response of hypoxic volume is described for the first time. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, ORCID
Added: December 19, 2018

2013 journal article

Correction to Spatial and Temporal Trends in Lake Erie Hypoxia, 1987–2007

Environmental Science & Technology, 47(9), 4958–4958.

UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: September 10, 2020

2013 journal article

Retrospective Analysis of Midsummer Hypoxic Area and Volume in the Northern Gulf of Mexico, 1985–2011

Environmental Science & Technology, 47(17), 9808–9815.

MeSH headings : Anaerobiosis; Ecosystem; Gulf of Mexico; Models, Theoretical; Monte Carlo Method; Oxygen / analysis; Seasons
TL;DR: A rigorous geostatistical modeling framework is developed to estimate the hypoxic extent in the northern Gulf of Mexico from data collected during midsummer, quasi-synoptic monitoring cruises (1985–2011), and suggests an increasing trend in hypoxic layer thickness from 1985 to 2011, but less than significant increases in volume and area. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, ORCID
Added: December 19, 2018

2012 journal article

Quantifying the Impacts of Stratification and Nutrient Loading on Hypoxia in the Northern Gulf of Mexico

Environmental Science & Technology, 46(10), 5489–5496.

By: D. Obenour*, A. Michalak*, Y. Zhou* & D. Scavia*

MeSH headings : Anaerobiosis; Environmental Monitoring; Gulf of Mexico; Models, Chemical; Models, Statistical; Nitrogen / analysis; Oxygen / analysis; Phosphorus / analysis; Regression Analysis; Solubility; Water / chemistry
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, ORCID
Added: December 19, 2018

2012 journal article

Spatial and Temporal Trends in Lake Erie Hypoxia, 1987–2007

Environmental Science & Technology, 47(2), 899–905.

MeSH headings : Bayes Theorem; Environmental Monitoring; Lakes / analysis; Oxygen / analysis; Uncertainty
TL;DR: The change in the observed maximum extent between August and September is found to be sensitive to the corresponding variability in the hypolimnion thickness, and a simple exponential relationship based on the squared average measured bottom DO explains 97% of the estimated variability inThe hypoxic extent. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, ORCID
Added: December 19, 2018

2006 journal article

From a NEXRAD rainfall map to a flood inundation map

Journal of Hydrologic Engineering, 11(1), 37–45.

By: T. Whiteaker, O. Robayo, D. Maidment & D. Obenour

Source: ORCID
Added: December 19, 2018

2004 conference paper

An Interface Data Model for HEC-HMS

Proc. AWRA 2004 Annual Conference.

By: D. Obenour, D. Maidment, T. Evans & D. Yates

Source: ORCID
Added: December 19, 2018

Employment

Updated: November 10th, 2017 08:57

2014 - present

North Carolina State University Raleigh, NC, US
Assistant Professor Dept of Civil, Construction, & Environmental Engineering

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