Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Sydney C. Clark"'
1
Persistent Nitrate in Alpine Waters with Changing Atmospheric Deposition and Warming Trends
Autor: Sydney C. Clark, Jill S. Baron, Rebecca T. Barnes, Meredith G. Hastings, Isabella A. Oleksy
Publikováno v: Environmental sciencetechnology. 55(21)
Nitrate concentrations in high-elevation lakes of the Colorado Front Range remain elevated despite declining trends in atmospherically deposited nitrate since 2000. The current source of this elevated nitrate in surface waters remains elusive, given
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56a004ecc950a142bbdf6cf3d2832385
https://pubmed.ncbi.nlm.nih.gov/34637308
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2
Sources and cycling of nitrogen in a New England river discerned from nitrate isotope ratios
Autor: Veronica R. Rollinson, Julie Granger, Sydney C. Clark, Mackenzie L. Blanusa, Claudia P. Koerting, Jamie M. P. Vaudrey, Lija A. Treibergs, Holly C. Westbrook, Catherine M. Matassa, Meredith K. Hastings, Craig R. Tobias
Coastal waters globally are increasingly impacted due to the anthropogenic loading of nitrogen (N) from the watershed. In order to assess dominant sources of N contributing to the eutrophication of the Little Narragansett Bay estuary in New England,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d67c91f0e340f887d34f9a5b43ae2ff
https://bg.copernicus.org/preprints/bg-2020-390/
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5
Effluent Gas Flux Characterization during Pyrolysis of Chicken Manure
Autor: Mark A. Zondlo, Da Pan, Charles A. Mullen, Akwasi A. Boateng, Rebecca Ryals, Meredith G. Hastings, Sydney C. Clark, David J. Miller
Publikováno v: ACS Sustainable Chemistry & Engineering. 5:7568-7575
Pyrolysis is a viable option for the production of renewable energy and agricultural resources from diverted organic waste streams. This high temperature thermochemical process yields material with beneficial reuses, including bio-oil and biochar. Ga
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::029837d17eadc648f70e51504f488ce2
https://doi.org/10.1021/acssuschemeng.7b00815
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6
Vehicle NO x emission plume isotopic signatures: Spatial variability across the eastern United States
Autor: Meredith G. Hastings, Paul K. Wojtal, David J. Miller, Sydney C. Clark
Publikováno v: Journal of Geophysical Research: Atmospheres. 122:4698-4717
On-road vehicle nitrogen oxide (NOx) sources currently dominate U.S. anthropogenic emission budgets, yet vehicle NOx emissions have uncertain contributions to oxidized nitrogen (N) deposition patterns. Isotopic signatures serve as a potentially valua
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::121349dd25e12222bc7a1913ddb924ec
https://doi.org/10.1002/2016jd025877
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7
Highly concentrated atmospheric inorganic nitrogen deposition in an urban, coastal region in the US
Autor: Emmie Le Roy, Sydney C. Clark, E. Joyce, Hayley Schiebel, Wendell W. Walters, Meredith G. Hastings
Publikováno v: Environmental Research Communications. 2:081001
Much of our understanding of atmospheric nitrogen deposition (AD) is based on important monitoring networks, such as the National Atmospheric Deposition Program (NADP) in the United States (US). However, it is likely that rural-based monitoring data
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1afab10d6cddd177f8fff57ab218e783
https://doi.org/10.1088/2515-7620/aba637
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8
Migration Timing of Adult Chinook Salmon into the Togiak River, Alaska, Watershed: Is There Evidence for Stock Structure?
Autor: Theresa L. Tanner, Sydney C. Clark, Suresh A. Sethi, Kale T. Bentley, Daniel E. Schindler
Publikováno v: Transactions of the American Fisheries Society. 144:829-836
Variation in the timing of migration to freshwaters to spawn is one important dimension of the life history variation within individual salmon stocks. That variable has important implications for developing sustainable fisheries that simultaneously e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25bf486a9d3377fba95e2af2350a7031
https://doi.org/10.1080/00028487.2015.1031281
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9
Seasonal increases in fish trophic niche plasticity within a flood‐pulse river ecosystem (Tonle Sap Lake, Cambodia)
Autor: Gordon W. Holtgrieve, Adrianne Smits, Bailey C. McMeans, Vittoria Elliott, Michael S. Cooperman, Neil Rooney, Samol Chhuoy, Chheng Phen, Thach Phanara, Thomas K. Pool, Sydney C. Clark, Kevin S. McCann
Publikováno v: Ecosphere. 8
Species’ responses to seasonal environmental variation can influence trophic interactions and food web structure within an ecosystem. However, our ability to predict how species’ interactions will vary spatially and temporally in response to seas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::259d16f58b327930e01a0b8bc3f65dc7
https://doi.org/10.1002/ecs2.1881
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10
Automated, High-resolution Mobile Collection System for the Nitrogen Isotopic Analysis of NOx
Autor: Mary O'Conner, Meredith G. Hastings, David J. Miller, Paul K. Wojtal, Sydney C. Clark
Publikováno v: Journal of Visualized Experiments.
Nitrogen oxides (NOx = NO + NO2) are a family of atmospheric trace gases that have great impact on the environment. NOx concentrations directly influence the oxidizing capacity of the atmosphere through interactions with ozone and hydroxyl radicals.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b22fe693f92a1fcc9ead53f9e2da3003
https://doi.org/10.3791/54962-v
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