Search Results - "DiGangi, Joshua"

Numerical simulation of atmospheric CO2 concentration and flux over the Korean Peninsula using WRF-VPRM model during Korus-AQ 2016 campaign by Park, Changhyoun, Park, Soon-Young, Gurney, Kevin R, Gerbig, Christoph, DiGangi, Joshua P, Choi, Yonghoon, Lee, Hwa Woon

“…We conducted regional scale CO2 simulations using the Weather Research and Forecasting model (WRF) coupled with the Vegetation Photosynthesis and Respiration…”
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The distribution of sea-salt aerosol in the global troposphere by Murphy, Daniel M, Froyd, Karl D, Bian, Huisheng, Brock, Charles A, Dibb, Jack E, DiGangi, Joshua P, Diskin, Glenn, Dollner, Maximillian, Kupc, Agnieszka, Scheuer, Eric M, Schill, Gregory P, Weinzierl, Bernadett, Williamson, Christina J, Yu, Pengfei

“…We present the first data on the concentration of sea-salt aerosol throughout most of the depth of the troposphere and over a wide range of latitudes, which…”
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Large contribution of biomass burning emissions to ozone throughout the global remote troposphere by Bourgeois, Ilann, Peischl, Jeff, Neuman, J. Andrew, Brown, Steven S., Thompson, Chelsea R., Aikin, Kenneth C., Allen, Hannah M., Angot, Hélène, Apel, Eric C., Baublitz, Colleen B., Brewer, Jared F., Campuzano-Jost, Pedro, Commane, Róisín, Crounse, John D., Daube, Bruce C., DiGangi, Joshua P., Diskin, Glenn S., Emmons, Louisa K., Fiore, Arlene M., Gkatzelis, Georgios I., Hills, Alan, Hornbrook, Rebecca S., Huey, L. Gregory, Jimenez, Jose L., Kim, Michelle, Lacey, Forrest, McKain, Kathryn, Murray, Lee T., Nault, Benjamin A., Parrish, David D., Ray, Eric, Sweeney, Colm, Tanner, David, Wofsy, Steven C., Ryerson, Thomas B.

“…Ozone is the third most important anthropogenic greenhouse gas after carbon dioxide and methane but has a larger uncertainty in its radiative forcing, in part…”
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Active and widespread halogen chemistry in the tropical and subtropical free troposphere by Wang, Siyuan, Schmidt, Johan A., Baidar, Sunil, Coburn, Sean, Dix, Barbara, Koenig, Theodore K., Apel, Eric, Bowdalo, Dene, Campos, Teresa L., Eloranta, Ed, Evans, Mathew J., DiGangi, Joshua P., Zondlo, Mark A., Gao, Ru-Shan, Haggerty, Julie A., Hall, Samuel R., Hornbrook, Rebecca S., Jacob, Daniel, Morley, Bruce, Pierce, Bradley, Reeves, Mike, Romashkin, Pavel, Schure, Arnout ter, Volkamer, Rainer

“…Halogens in the troposphere are increasingly recognized as playing an important role for atmospheric chemistry, and possibly climate. Bromine and iodine react…”
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Spatial heterogeneity in CO2, CH4, and energy fluxes: insights from airborne eddy covariance measurements over the Mid-Atlantic region by Hannun, Reem A, Wolfe, Glenn M, Kawa, S Randy, Hanisco, Thomas F, Newman, Paul A, Alfieri, Joseph G, Barrick, John, Clark, Kenneth L, DiGangi, Joshua P, Diskin, Glenn S, King, John, Kustas, William P, Mitra, Bhaskar, Noormets, Asko, Nowak, John B, Thornhill, K Lee, Vargas, Rodrigo

“…The exchange of carbon between the Earth's atmosphere and biosphere influences the atmospheric abundances of carbon dioxide (CO2) and methane (CH4). Airborne…”
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Rapid cloud removal of dimethyl sulfide oxidation products limits SO₂ and cloud condensation nuclei production in the marine atmosphere by Novak, Gordon A., Fite, Charles H., Holmes, Christopher D., Veres, Patrick R., Neuman, J. Andrew, Faloona, Ian, Thornton, Joel A., Wolfe, Glenn M., Vermeuel, Michael P., Jernigan, Christopher M., Peischl, Jeff, Ryerson, Thomas B., Thompson, Chelsea R., Bourgeois, Ilann, Warneke, Carsten, Gkatzelis, Georgios I., Coggon, Mathew M., Sekimoto, Kanako, Bui, T. Paul, Dean-Day, Jonathan, Diskin, Glenn S., DiGangi, Joshua P., Nowak, John B., Moore, Richard H., Wiggins, Elizabeth B., Winstead, Edward L., Robinson, Claire, Thornhill, K. Lee, Sanchez, Kevin J., Hall, Samuel R., Ullmann, Kirk, Dollner, Maximilian, Weinzierl, Bernadett, Blake, Donald R., Bertram, Timothy H.

“…Oceans emit large quantities of dimethyl sulfide (DMS) to the marine atmosphere. The oxidation of DMS leads to the formation and growth of cloud condensation…”
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Cold Air Outbreaks Promote New Particle Formation Off the U.S. East Coast by Corral, Andrea F., Choi, Yonghoon, Crosbie, Ewan, Dadashazar, Hossein, DiGangi, Joshua P., Diskin, Glenn S., Fenn, Marta, Harper, David B., Kirschler, Simon, Liu, Hongyu, Moore, Richard H., Nowak, John B., Scarino, Amy Jo, Seaman, Shane, Shingler, Taylor, Shook, Michael A., Thornhill, Kenneth L., Voigt, Christiane, Zhang, Bo, Ziemba, Luke D., Sorooshian, Armin

“…New particle formation (NPF) is the dominant contributor to total particle number concentration and plays an important role in the cloud condensation nuclei…”
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Aircraft-based observation of meteoric material in lower-stratospheric aerosol particles between 15 and 68° N by Schneider, Johannes, Weigel, Ralf, Klimach, Thomas, Dragoneas, Antonis, Appel, Oliver, Hünig, Andreas, Molleker, Sergej, Köllner, Franziska, Clemen, Hans-Christian, Eppers, Oliver, Hoppe, Peter, Hoor, Peter, Mahnke, Christoph, Krämer, Martina, Rolf, Christian, Grooß, Jens-Uwe, Zahn, Andreas, Obersteiner, Florian, Ravegnani, Fabrizio, Ulanovsky, Alexey, Schlager, Hans, Scheibe, Monika, Diskin, Glenn S, DiGangi, Joshua P, Nowak, John B, Zöger, Martin, Borrmann, Stephan

“…We analyse aerosol particle composition measurements from five research missions between 2014 and 2018 to assess the meridional extent of particles containing…”
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Characteristics and evolution of brown carbon in western United States wildfires by Zeng, Linghan, Dibb, Jack, Scheuer, Eric, Katich, Joseph M, Schwarz, Joshua P, Bourgeois, Ilann, Peischl, Jeff, Ryerson, Tom, Warneke, Carsten, Perring, Anne E, Diskin, Glenn S, DiGangi, Joshua P, Nowak, John B, Moore, Richard H, Wiggins, Elizabeth B, Pagonis, Demetrios, Guo, Hongyu, Campuzano-Jost, Pedro, Jimenez, Jose L, Xu, Lu, Weber, Rodney J

“…Brown carbon (BrC) associated with aerosol particles in western United States wildfires was measured between July and August 2019 aboard the NASA DC-8 research…”
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Validation of satellite formaldehyde (HCHO) retrievals using observations from 12 aircraft campaigns by Zhu, Lei, González Abad, Gonzalo, Nowlan, Caroline R, Chan Miller, Christopher, Chance, Kelly, Apel, Eric C, DiGangi, Joshua P, Fried, Alan, Hanisco, Thomas F, Hornbrook, Rebecca S, Hu, Lu, Kaiser, Jennifer, Keutsch, Frank N, Permar, Wade, St. Clair, Jason M, Wolfe, Glenn M

“…Formaldehyde (HCHO) has been measured from space for more than 2 decades. Owing to its short atmospheric lifetime, satellite HCHO data are used widely as a…”
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Sea Salt Reactivity Over the Northwest Atlantic: an in-Depth Look Using the Airborne ACTIVATE Dataset by Edwards, Eva-Lou, Choi, Yonghoon, Crosbie, Ewan C, DiGangi, Joshua P, Diskin, Glenn S, Robinson, Claire E, Shook, Michael A, Winstead, Edward L, Ziemba, Luke D, Sorooshian, Armin

“…Chloride (Cl−) displacement from sea salt particles is an extensively studied phenomenon with implications for human health, visibility, and the global…”
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Impact of Biomass Burning Organic Aerosol Volatility on Smoke Concentrations Downwind of Fires by Pagonis, Demetrios, Selimovic, Vanessa, Campuzano-Jost, Pedro, Guo, Hongyu, Day, Douglas A., Schueneman, Melinda K., Nault, Benjamin A., Coggon, Matthew M., DiGangi, Joshua P., Diskin, Glenn S., Fortner, Edward C., Gargulinski, Emily M., Gkatzelis, Georgios I., Hair, Johnathan W., Herndon, Scott C., Holmes, Christopher D., Katich, Joseph M., Nowak, John B., Perring, Anne E., Saide, Pablo, Shingler, Taylor J., Soja, Amber J., Thapa, Laura H., Warneke, Carsten, Wiggins, Elizabeth B., Wisthaler, Armin, Yacovitch, Tara I., Yokelson, Robert J., Jimenez, Jose L.

“…Biomass burning particulate matter (BBPM) affects regional air quality and global climate, with impacts expected to continue to grow over the coming years. We…”
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New particle formation in the tropical free troposphere during CAMP2Ex: statistics and impact of emission sources, convective activity, and synoptic conditions by Xiao, Qian, Zhang, Jiaoshi, Wang, Yang, Ziemba, Luke D, Crosbie, Ewan, Winstead, Edward L, Robinson, Claire E, DiGangi, Joshua P, Diskin, Glenn S, Reid, Jeffrey S, Schmidt, K Sebastian, Sorooshian, Armin, Hilario, Miguel Ricardo A, Woods, Sarah, Lawson, Paul, Stamnes, Snorre A, Wang, Jian

“…Nucleation in the free troposphere (FT) and subsequent growth of new particles represent a globally important source of cloud condensation nuclei (CCN)…”
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Convective transport of water vapor into the lower stratosphere observed during double-tropopause events by Homeyer, Cameron R., Pan, Laura L., Dorsi, Samuel W., Avallone, Linnea M., Weinheimer, Andrew J., O'Brien, Anthony S., DiGangi, Joshua P., Zondlo, Mark A., Ryerson, Thomas B., Diskin, Glenn S., Campos, Teresa L.

“…We present in situ observations of convectively injected water vapor in the lower stratosphere from instruments aboard two aircraft operated during the Deep…”
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Measurement Report :Emission Factors of NH3 and NHx for Wildfires and Agricultural Fires in the United States by Tomsche, Laura, Piel, Felix, Mikoviny, Tomas, Nielsen, Claus J., Guo, Hongyu, Campuzano-Jost, Pedro, Nault, Benjamin A., Schueneman, Melinda K., Jimenez, Jose L., Halliday, Hannah, Diskin, Glenn, Digangi, Joshua P., Nowak, John B., Wiggins, Elizabeth B., Gargulinski, Emily, Soja, Amber J., Wisthaler, Armin

“…During the 2019 Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) study, the NASA DC-8 carried out in situ chemical measurements in…”
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Measurement report: Long-range transport patterns into the tropical northwest Pacific during the CAMP2Ex aircraft campaign: chemical composition, size distributions, and the impact of convection by Hilario, Miguel Ricardo A, Crosbie, Ewan, Shook, Michael, Reid, Jeffrey S, Maria Obiminda L Cambaliza, Simpas, James Bernard B, Ziemba, Luke, DiGangi, Joshua P, Diskin, Glenn S, Nguyen, Phu, Turk, F Joseph, Winstead, Edward, Robinson, Claire E, Wang, Jian, Zhang, Jiaoshi, Wang, Yang, Yoon, Subin, Flynn, James, Alvarez, Sergio L, Behrangi, Ali, Sorooshian, Armin

“…The tropical Northwest Pacific (TNWP) is a receptor for pollution sources throughout Asia and is highly susceptible to climate change, making it imperative to…”
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An Observation-Based, Reduced-Form Model for Oxidation in the Remote Marine Troposphere by Baublitz, Colleen B., Fiore, Arlene M., Ludwig, Sarah M., Nicely, Julie M., Wolfe, Glenn M., Murray, Lee T., Commane, Róisín, Prather, Michael J., Anderson, Daniel C., Correa, Gustavo, Duncan, Bryan N., Follette-Cook, Melanie, Westervelt, Daniel M., Bourgeois, Ilann, Brune, William H., Bui, T. Paul, DiGangi, Joshua P., Diskin, Glenn S., Hall, Samuel R., McKain, Kathryn, Miller, David O., Peischl, Jeff, Thames, Alexander B., Thompson, Chelsea R., Ullmann, Kirk, Wofsy, Steven C.

“…The hydroxyl radical (OH) fuels atmospheric chemical cycling as the main sink for methane and a driver of the formation and loss of many air pollutants, but…”
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Satellite soil moisture data assimilation impacts on modeling weather variables and ozone in the southeastern US – Part 1: An overview by Huang, Min, Crawford, James H, DiGangi, Joshua P, Carmichael, Gregory R, Bowman, Kevin W, Kumar, Sujay V, Zhan, Xiwu

“…This study evaluates the impact of satellite soil moisture (SM) data assimilation (DA) on regional weather and ozone (O3) modeling over the southeastern US…”
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Using observed urban NOx sinks to constrain VOC reactivity and the ozone and radical budget in the Seoul Metropolitan Area by Nault, Benjamin A, Travis, Katherine R, Crawford, James H, Blake, Donald R, Campuzano-Jost, Pedro, Cohen, Ronald C, DiGangi, Joshua P, Diskin, Glenn S, Hall, Samuel R, Huey, L Gregory, Jimenez, Jose L, Kyung-Eun, Min, Young Ro Lee, Simpson, Isobel J, Ullmann, Kirk, Wisthaler, Armin

“…Ozone (O3) is an important secondary pollutant that impacts air quality and human health. Eastern Asia has high regional O3 background due to the numerous…”
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Bridging gas and aerosol properties between the northeastern US and Bermuda: analysis of eight transit flights by Soloff, Cassidy, Ajayi, Taiwo, Choi, Yonghoon, Crosbie, Ewan C, DiGangi, Joshua P, Diskin, Glenn S, Fenn, Marta A, Ferrare, Richard A, Gallo, Francesca, Hair, Johnathan W, Hilario, Miguel Ricardo A, Kirschler, Simon, Moore, Richard H, Shingler, Taylor J, Shook, Michael A, Thornhill, Kenneth L, Voigt, Christiane, Winstead, Edward L, Ziemba, Luke D, Sorooshian, Armin

“…The western North Atlantic Ocean is strongly influenced by continental outflow, making it an ideal region to study the atmospheric transition from a polluted…”
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