Search Results - "SEITZINGER, Sybil"

Nitrogen stewardship in the Anthropocene by Seitzinger, Sybil P., Phillips, Leigh

“…How can nitrogen emissions be reduced and reused to reduce pressure on ecosystems? Nitrogen compounds, mainly from agriculture and sewage, are causing…”
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Assessing planetary and regional nitrogen boundaries related to food security and adverse environmental impacts by de Vries, Wim, Kros, Johannes, Kroeze, Carolien, Seitzinger, Sybil P

“…•The concept of planetary boundaries has caused both scientific interest and criticism.•For nitrogen (N), returning to Holocene levels of new-N fixation is not…”
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Transformation of the Nitrogen Cycle: Recent Trends, Questions, and Potential Solutions by Galloway, James N, Townsend, Alan R, Erisman, Jan Willem, Bekunda, Mateete, Cai, Zucong, Freney, John R, Martinelli, Luiz A, Seitzinger, Sybil P, Sutton, Mark A

“…Humans continue to transform the global nitrogen cycle at a record pace, reflecting an increased combustion of fossil fuels, growing demand for nitrogen in…”
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Consequences of human modification of the global nitrogen cycle by Erisman, Jan Willem, Galloway, James N., Seitzinger, Sybil, Bleeker, Albert, Dise, Nancy B., Petrescu, A. M. Roxana, Leach, Allison M., de Vries, Wim

“…The demand for more food is increasing fertilizer and land use, and the demand for more energy is increasing fossil fuel combustion, leading to enhanced losses…”
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Ecology. Controlling eutrophication: nitrogen and phosphorus by Conley, Daniel J, Paerl, Hans W, Howarth, Robert W, Boesch, Donald F, Seitzinger, Sybil P, Havens, Karl E, Lancelot, Christiane, Likens, Gene E

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Increasing anthropogenic nitrogen inputs and riverine DIN exports from the Changjiang River basin under changing human pressures by Yan, Weijin, Mayorga, Emilio, Li, Xinyan, Seitzinger, Sybil P., Bouwman, A. F.

“…In this paper, we estimate the inputs of nitrogen (N) and exports of dissolved inorganic nitrogen (DIN) from the Changjiang River to the estuary for the period…”
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SOA from methylglyoxal in clouds and wet aerosols: Measurement and prediction of key products by Tan, Yi, Carlton, Annmarie G., Seitzinger, Sybil P., Turpin, Barbara J.

“…Aqueous OH radical oxidation of methylglyoxal in clouds and wet aerosols is a potentially important global and regional source of secondary organic aerosol…”
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Effects of Precursor Concentration and Acidic Sulfate in Aqueous Glyoxal−OH Radical Oxidation and Implications for Secondary Organic Aerosol by Tan, Yi, Perri, Mark J, Seitzinger, Sybil P, Turpin, Barbara J

“…Previous experiments demonstrated that aqueous OH radical oxidation of glyoxal yields low-volatility compounds. When this chemistry takes place in clouds and…”
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Global Nutrient Export from WaterSheds 2 (NEWS 2): Model development and implementation by Mayorga, Emilio, Seitzinger, Sybil P., Harrison, John A., Dumont, Egon, Beusen, Arthur H.W., Bouwman, A.F., Fekete, Balazs M., Kroeze, Carolien, Van Drecht, Gerard

“…Global NEWS is a global, spatially explicit, multi-element and multi-form model of nutrient exports by rivers. Here we present NEWS 2, the new version of…”
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The regional and global significance of nitrogen removal in lakes and reservoirs by Harrison, John A., Maranger, Roxane J., Alexander, Richard B., Giblin, Anne E., Jacinthe, Pierre-Andre, Mayorga, Emilio, Seitzinger, Sybil P., Sobota, Daniel J., Wollheim, Wilfred M.

“…Human activities have greatly increased the transport of biologically available nitrogen (N) through watersheds to potentially sensitive coastal ecosystems…”
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Escalating Worldwide use of Urea - A Global Change Contributing to Coastal Eutrophication by Glibert, P.M, Harrison, J, Heil, C, Seitzinger, S

“…While the global increase in the use of nitrogen-based fertilizers has been well recognized, another change in fertilizer usage has simultaneously occurred: a…”
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Organosulfates from glycolaldehyde in aqueous aerosols and clouds: Laboratory studies by Perri, Mark J., Lim, Yong B., Seitzinger, Sybil P., Turpin, Barbara J.

“…Secondary organic aerosol (SOA) formation is enhanced on acidic seed particles; SOA also forms during cloud processing reactions where acidic sulfate is…”
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Composition of Dissolved Organic Nitrogen in Continental Precipitation Investigated by Ultra-High Resolution FT-ICR Mass Spectrometry by Altieri, Katye E, Turpin, Barbara J, Seitzinger, Sybil P

“…The atmospheric transport of fixed nitrogen (N) is a critical component of the global N cycle that has been heavily impacted by human activities. It has been…”
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Atmospheric oxalic acid and SOA production from glyoxal: Results of aqueous photooxidation experiments by Carlton, Annmarie G., Turpin, Barbara J., Altieri, Katye E., Seitzinger, Sybil, Reff, Adam, Lim, Ho-Jin, Ervens, Barbara

“…Aqueous-phase photooxidation of glyoxal, a ubiquitous water-soluble gas-phase oxidation product of many compounds, is a potentially important global and…”
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Global patterns and sources of dissolved organic matter export to the coastal zone: Results from a spatially explicit, global model by Harrison, J.A, Caraco, N, Seitzinger, S.P

“…Here we describe, test, and apply a system of spatially explicit, global models for predicting river export of three dissolved organic matter (DOM) components:…”
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Planetary Stewardship in an Urbanizing World: Beyond City Limits by Seitzinger, Sybil P., Svedin, Uno, Crumley, Carole L., Steffen, Will, Abdullah, Saiful Arif, Alfsen, Christine, Broadgate, Wendy J., Biermann, Frank, Bondre, Ninad R., Dearing, John A., Deutsch, Lisa, Dhakal, Shobhakar, Elmqvist, Thomas, Farahbakhshazad, Neda, Gaffney, Owen, Haberl, Helmut, Lavorel, Sandra, Mbow, Cheikh, McMichael, Anthony J., deMorais, Joao M. F., Olsson, Per, Pinho, Patricia Fernanda, Seto, Karen C., Sinclair, Paul, Smith, Mark Stafford, Sugar, Lorraine

“…Cities are rapidly increasing in importance as a major factor shaping the Earth system, and therefore, must take corresponding responsibility. With currently…”
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CMAQ Model Performance Enhanced When In-Cloud Secondary Organic Aerosol is Included: Comparisons of Organic Carbon Predictions with Measurements by Carlton, Annmarie G, Turpin, Barbara J, Altieri, Katye E, Seitzinger, Sybil P, Mathur, Rohit, Roselle, Shawn J, Weber, Rodney J

“…Mounting evidence suggests that low-volatility (particle-phase) organic compounds form in the atmosphere through aqueous phase reactions in clouds and…”
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Secondary organic aerosol production from aqueous photooxidation of glycolaldehyde: Laboratory experiments by Perri, Mark J., Seitzinger, Sybil, Turpin, Barbara J.

“…Organic particulate matter (PM) formed in the atmosphere (secondary organic aerosol; SOA) is a substantial yet poorly understood contributor to atmospheric PM…”
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Dynamic modeling of nitrogen losses in river networks unravels the coupled effects of hydrological and biogeochemical processes by Alexander, Richard B, Böhlke, John Karl, Boyer, Elizabeth W, David, Mark B, Harvey, Judson W, Mulholland, Patrick J, Seitzinger, Sybil P, Tobias, Craig R, Tonitto, Christina, Wollheim, Wilfred M

“…The importance of lotic systems as sinks for nitrogen inputs is well recognized. A fraction of nitrogen in streamflow is removed to the atmosphere via…”
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Global N removal by freshwater aquatic systems using a spatially distributed, within-basin approach by Wollheim, Wilfred M., Vörösmarty, Charles J., Bouwman, A. F., Green, Pamela, Harrison, John, Linder, Ernst, Peterson, Bruce J., Seitzinger, Sybil P., Syvitski, James P. M.

“…We explored the role of aquatic systems in the global N cycle using a spatially distributed, within‐basin, aquatic nitrogen (N) removal model, implemented…”
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