Felix, Joseph David
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Publications
Presentations
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Presentation
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Investigating nitrate sources and export in an alpine catchment using Orbitrap-based stable isotope techniques,
Goldschmidt Conference 2025-07-06
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Isotopic Insights into Inorganic and Organic Nitrogen Dynamics: A Pathway to Restoration in a Semi-Arid Estuary,
Goldschmidt Conference, 2025-07-06
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Two-dimensional ion chromatography coupled with Orbitrap mass spectrometry for measuring nitrate stable isotope ratios in environmental matrices,
ASMS Conference on Mass Spectrometry and Allied Topics 2025-06-01
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Apportionment of PM2.5 Nitrate using Isotope Techniques Coupled with AERONET Optical Properties,
Advances in Stable Isotope Techniques and Applications Meetin 2025-05-18
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From Ground to Gulf: Stable Isotope Evidence of Nitrogen Pathways and Processing on the Texas Gulf Coast,
Advances in Stable Isotope Techniques and Applications Meeting. 2025-05-18
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Investigating nitrate sources and export in an alpine catchment using Orbitrap-based stable isotope techniques,
Advances in Stable Isotope Techniques and Applications Meeting 2025-05-18
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Watershed Assessment, Stakeholder Engagement, and Progress Toward Restoration from a Nitrogen Cycle Perspective and Projects to Catalyze Future Collaboration,
Department of Chemistry and Biochemistry 2025-04-01
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Seasonal Hydrogeochemical Dynamics and Contamination Risks in the Yucatán Peninsula’s Karst Aquifer System,
10th International Climate Change: The Karst Record (KR10) conference 2025-03-01
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Coastal Texas Watershed Assessment, Stakeholder Engagement, and Progress Toward Restoration from a Nitrogen Cycle Perspective,
Department of Earth and Planetary Sciences 2025-02-01
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Particulate Matter in the Nueces-San Patricio Airshed: Background, Status and Current Projects,
Corpus Christi Economic Development Board of Directors Meeting 2025-02-01
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Anthropogenic methane contribution to a small coastal urban community in South Texas, USA,
Fall AGU Meeting 2024-12-01
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Differences in modeled nitrogen dry deposition to terrestrial and marine watersheds based on ground-based FEM, ground-based remote sensing, and satellite measurements,
National Atmospheric Deposition Program Meeting 2024 2024-11-01
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Investigating Nitrogen Cycling in New Mexico Alpine and Subalpine Ecosystems Using Stable Isotope Techniques,
National Atmospheric Deposition Program Meeting 2024 2024-11-01
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Source apportionment of PM2.5 nitrate using isotope techniques coupled with AERONET optical properties,
National Atmospheric Deposition Program Meeting 2024 2024-11-01
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Differences in modeled nitrogen dry deposition to terrestrial and marine watersheds based on ground-based FEM, ground-based remote sensing, and satellite measurements,
AERONET Science and Application Exchange 2024 2024-09-17
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Source apportionment of PM2.5 nitrate using isotope techniques coupled with AERONET optical properties,
AERONET Science and Application Exchange 2024 2024-09-17
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Particulate Matter in the Nueces-San Patricio Airshed: Background, Status and Current Projects,
Coastal Bend Air Quality Partnership Stakeholder meeting 2024-08-29
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Optimizing Orbitrap-based isotopic analysis of nitrate by coupling Orbitrap-MS with chromatographic separation techniques,
ASMS Conference on Mass Spectrometry and Allied Topics 2024-06-02
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Watershed Assessment, Stakeholder Engagement, and Progress Toward Restoration from a Nitrogen Cycle Perspective,
University of New Hampshire 2024-05-01
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Air Quality Insights: Corpus Christi Airshed and Associated Projects,
Public Health Summit: A Public Health Call to Action Corpus Christi Health Department 2024-04-01
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Air Quality 101 and Local Air Quality Initiative,
Corpus Christi Health Department 2024-01-01
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High-resolution Spatial Sampling Reveals DIN and DON Sources and Processing from Groundwaters to Surface Waters in a Semi-arid Estuary and Tributaries,
AGU Fall Meeting 2023-12-01
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Septic System Failure and Water Quality in Coastal Regions- A Study of Bacterial Contamination and Nutrient Concentrations in the Northwester Gulf of Mexico,
Fall AGU Meeting 2023-12-01
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Stable Carbon Isotopes of Methane Indicate the Impact of Industrial Operations on Atmospheric Methane in a Coastal Urban Community,
Fall AGU Meeting 2023-12-01
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Isotopic insights into inorganic and organic nitrogen dynamics: a pathway to restoration in a semi-arid estuary,
Geological Society of America Annual Meeting 2023-10-01
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NOx Source Apportionment and Oxidation Chemistry in a Coastal Urban Airshed Using Stable Isotope Techniques: An Approach to Intermittent Sources,
National Atmospheric Deposition Program Fall Meeting 2023-10-01
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Examining Vertical Column NO2 during the 2021 TRACER-AQ Campaign in Houston,
Lucian Symposium: Global Health Challenges: Noncommunicable Diseases (NCDs) 2023-09-01
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Determining NOx Emission Sources in the Coastal Bend Airshed: Strategies to Stay Within Ozone Attainment,
Coastal Bend Bays Foundation Coastal Issues Forum 2023-03-01
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Determining NOx Emission Sources in the Coastal Bend Airshed: Strategies to Stay Within Ozone Attainment,
CBAQP Community Workgroup Action Plan Meeting 2023-03-01
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Determining Nitrogen Loading and Processing Along the Texas Coast and Potential Impacts Due to Sea Level Variations,
18th Annual TAMUS Pathways Student Research Symposium 2023-03-01
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Investigating Nitrogen in Coastal Bend Waters,
Texas General Land Office Lunch and Learn Speaker Series 2023-03-01
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Determining NOx Emission Sources in the Coastal Bend Airshed: Strategies to Stay Within Ozone Attainment,
CBAQP Stakeholders Meeting 2023-02-01
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Determining Nitrogen Loading Sources and Processing Along the Texas (USA) Coast and Potential Impacts Due to Sea-Level Variations,
AGU Fall Meeting 2022-12-01
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NOx source apportionment in a coastal urban air shed using stable isotope techniques,
SACNAS Meeting 2022 2022-10-01
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NOx source apportionment in a coastal urban air shed using stable isotope techniques,
Rice University's Gulf Coast Undergraduate Research Symposium 2022-10-01
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Air Quality 101 and NOx source emission tracking using isotope techniques.,
Coastal Bend Air Quality Partnership Board of Directors Meeting 2022-09-01
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NOx source apportionment in a coastal urban air shed using stable isotope techniques,
Texas Bays and Estuaries Meeting 2022-09-01
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Nutrient Source Tracking,
Baffin Bay Symposium 2022-05-01
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Molecular characterization of dissolved organic matter in São Paulo, Brazil wet deposition by ultra-high resolution mass spectrometry,
102nd Annual AMS Meeting 2022-01-23
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Using Stable Isotopes to Determine Sources and Processing of Inorganic and Organic Nitrogen in a Septic System Dominated versus Undeveloped Estuary Coastline,
AGU Fall Meeting 2021-12-12
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sotopic Composition of Dissolved Organic Nitrogen Sources Contributing to Semi-Arid Estuaries,
AGU Fall Meeting 2021-12-12
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Molecular characterization of dissolved organic matter in São Paulo, Brazil wet deposition by ultra-high resolution mass spectrometry,
NADP Fall Meeting 2021-10-27
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Groundwater Contribution of Elevated Nutrients to a hypersaline estuary: Laguna Salada (Baffin Bay), Texas,
AGU Fall Meeting and Symposium 2020-12-07
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sotopic Composition of Nitrate and Ammonium in Sao Paulo, Brazil Wet Deposition.,
National Atmospheric Deposition Program Fall Meeting and Symposium 2020-10-28
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Hurricane/tropical storm rainwater chemistry in the US (2008 to 2019),
National Atmospheric Deposition Program Meeting 2020-10-26
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Quantification and Transformation of Water Soluble Organic Nitrogen in a Coastal Urban Airshed,
National Atmospheric Deposition Program Fall Meeting and Symposium 2020-10-26
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Water-atmosphere flux of ammonia in subtropical semi-arid estuary systems,
National Atmospheric Deposition Program Fall Meeting and Symposium 2020-10-26
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Chemical characterization of Hurricane Harvey wet deposition. What was in all that rain?,
University of Texas Marine Science Institute 2020-02-01
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Coastal Issues Forum Protecting Baffin Bay: Research Updates & Discussion of Future Plans 2019-12-01
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Continuing to increase ethanol consumption as a renewable fuel: How will vehicle ethanol emissions impact the atmosphere?,
Institute of Environmental and Climate Research 2019-05-01
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Stable isotopic composition of NH3 at regional and urban scales: source and transport implications,
Institute of Environmental and Climate Research 2019-05-01
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Advancing National Urban Wet-Deposition Monitoring; The Network for Urban Atmospheric Nitrogen Chemistry.,
National Water Quality Monitoring Council's 11th National Water Monitoring Conference 2019-03-25
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Ethanol concentrations in wet deposition collected at the Atmospheric Integrated Research Monitoring Network sites,
NADP Fall Meeting 2018-11-04
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Ocean Sciences Meeting 2018-02-11
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Stable Isotopic Composition of NH3 at Regional and Urban Scales: Source and Transport Implications,
TAMU-K Department of Environmental Engineering 2018-02-01
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Stable Isotopic Composition of NH3 at Regional and Urban Scales: Source and Transport Implications,
98th Annual AMS Meeting 2018-01-07
