Search Results - "Bardeen, Charles G"

Persisting volcanic ash particles impact stratospheric SO2 lifetime and aerosol optical properties by Zhu, Yunqian, Toon, Owen B., Jensen, Eric J., Bardeen, Charles G., Mills, Michael J., Tolbert, Margaret A., Yu, Pengfei, Woods, Sarah

“…Volcanic ash is often neglected in climate simulations because ash particles are assumed to have a short atmospheric lifetime, and to not participate in sulfur…”
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Global volcanic aerosol properties derived from emissions, 1990–2014, using CESM1(WACCM) by Mills, Michael J., Schmidt, Anja, Easter, Richard, Solomon, Susan, Kinnison, Douglas E., Ghan, Steven J., Neely, Ryan R., Marsh, Daniel R., Conley, Andrew, Bardeen, Charles G., Gettelman, Andrew

“…Accurate representation of global stratospheric aerosols from volcanic and nonvolcanic sulfur emissions is key to understanding the cooling effects and ozone…”
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On transient climate change at the Cretaceous−Paleogene boundary due to atmospheric soot injections by Bardeen, Charles G., Garcia, Rolando R., Toon, Owen B., Conley, Andrew J.

“…Climate simulations that consider injection into the atmosphere of 15,000 Tg of soot, the amount estimated to be present at the Cretaceous−Paleogene boundary,…”
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Impact of radiatively interactive dust aerosols in the NASA GEOS-5 climate model: Sensitivity to dust particle shape and refractive index by Colarco, Peter R., Nowottnick, Edward P., Randles, Cynthia A., Yi, Bingqi, Yang, Ping, Kim, Kyu-Myong, Smith, Jamison A., Bardeen, Charles G.

“…The radiative effects of Saharan dust aerosols are investigated in the NASA GEOS‐5 atmospheric general circulation model. A sectional aerosol microphysics…”
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Development and Validation of the Whole Atmosphere Community Climate Model With Thermosphere and Ionosphere Extension (WACCM‐X 2.0) by Liu, Han‐Li, Bardeen, Charles G., Foster, Benjamin T., Lauritzen, Peter, Liu, Jing, Lu, Gang, Marsh, Daniel R., Maute, Astrid, McInerney, Joseph M., Pedatella, Nicholas M., Qian, Liying, Richmond, Arthur D., Roble, Raymond G., Solomon, Stanley C., Vitt, Francis M., Wang, Wenbin

“…Key developments have been made to the NCAR Whole Atmosphere Community Climate Model with thermosphere and ionosphere extension (WACCM‐X). Among them, the most…”
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Causes and Climatic Consequences of the Impact Winter at the Cretaceous‐Paleogene Boundary by Tabor, Clay R., Bardeen, Charles G., Otto‐Bliesner, Bette L., Garcia, Rolando R., Toon, Owen B.

“…Prolonged periods of low light and cold temperatures at Earth's surface are hypothesized effects of the end‐Cretaceous asteroid impact. However, debate remains…”
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Efficient In‐Cloud Removal of Aerosols by Deep Convection by Yu, Pengfei, Froyd, Karl D., Portmann, Robert W., Toon, Owen B., Freitas, Saulo R., Bardeen, Charles G., Brock, Charles, Fan, Tianyi, Gao, Ru‐Shan, Katich, Joseph M., Kupc, Agnieszka, Liu, Shang, Maloney, Christopher, Murphy, Daniel M., Rosenlof, Karen H., Schill, Gregory, Schwarz, Joshua P., Williamson, Christina

“…Convective systems dominate the vertical transport of aerosols and trace gases. The most recent in situ aerosol measurements presented here show that the…”
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Perturbations in Stratospheric Aerosol Evolution Due to the Water-Rich Plume of the 2022 Hunga-Tonga Eruption by Zhu, Yunqian, Bardeen, Charles, Tilmes, Simone, Mills, Michael, Wang, Xinyue, Harvey, V Lynn, Taha, Ghassan, Kinnison, Douglas, Portmann, Robert W, Yu, Pengfei, Rosenlof, Karen, Avery, Melody, Kloss, Corinna, Li, Can, Glanville, Sasha, Millán, Luis, Deshler, Terry, Krotkov, Nickolay A, Toon, Owen B

“…The January 2022 Hunga Tonga-Hunga Ha'apai (HTHH) volcanic eruption injected a relatively small amount of SO2, but significantly more water into the…”
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Volcanic Radiative Forcing From 1979 to 2015 by Schmidt, Anja, Mills, Michael J., Ghan, Steven, Gregory, Jonathan M., Allan, Richard P., Andrews, Timothy, Bardeen, Charles G., Conley, Andrew, Forster, Piers M., Gettelman, Andrew, Portmann, Robert W., Solomon, Susan, Toon, Owen B.

“…Using volcanic sulfur dioxide emissions in an aerosol‐climate model, we derive a time series of global‐mean volcanic effective radiative forcing (ERF) from…”
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Changes in the shape of cloud ice water content vertical structure due to aerosol variations by Massie, Steven T, Delanoë, Julien, Bardeen, Charles G, Jiang, Jonathan H, Huang, Lei

“…Changes in the shape of cloud ice water content (IWC) vertical structure due to variations in Moderate Resolution Imaging Spectroradiometer (MODIS) aerosol…”
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The content and composition of meteoric smoke in mesospheric ice particles from SOFIE observations by Hervig, Mark E., Deaver, Lance E., Bardeen, Charles G., Russell, James M., Bailey, Scott M., Gordley, Larry L.

“…This work provides the first observational evidence that ice particles comprising polar mesospheric clouds (PMC) contain small amounts of meteoric smoke…”
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First Satellite Observations of Meteoric Smoke in the Middle Atmosphere by Hervig, Mark E., Gordley, Larry L., Deaver, Lance E., Siskind, David E., Stevens, Michael H., Russell III, James M., Bailey, Scott M., Megner, Linda, Bardeen, Charles G.

“…This work describes the first remote observations of meteoric smoke particles (MSPs) from satellite, by the Solar Occultation For Ice Experiment (SOFIE)…”
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Stratospheric Aerosols, Polar Stratospheric Clouds, and Polar Ozone Depletion After the Mount Calbuco Eruption in 2015 by Zhu, Yunqian, Toon, Owen Brian, Kinnison, Douglas, Harvey, V. Lynn, Mills, Michael J., Bardeen, Charles G., Pitts, Michael, Bègue, Nelson, Renard, Jean‐Baptiste, Berthet, Gwenaël, Jégou, Fabrice

“…We investigate the impact of the 2015 Mount Calbuco eruption and previous eruptions on stratospheric aerosols, polar stratospheric clouds, and ozone depletion…”
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A New Ocean State After Nuclear War by Harrison, Cheryl S., Rohr, Tyler, DuVivier, Alice, Maroon, Elizabeth A., Bachman, Scott, Bardeen, Charles G., Coupe, Joshua, Garza, Victoria, Heneghan, Ryan, Lovenduski, Nicole S., Neubauer, Philipp, Rangel, Victor, Robock, Alan, Scherrer, Kim, Stevenson, Samantha, Toon, Owen B.

“…Nuclear war would produce dire global consequences for humans and our environment. We simulated climate impacts of US‐Russia and India‐Pakistan nuclear wars in…”
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Distribution of sulphuric acid aerosols in the clouds and upper haze of Venus using Venus Express VAST and VeRa temperature profiles by Parkinson, Christopher D., Gao, Peter, Schulte, Rick, Bougher, Stephen W., Yung, Yuk L., Bardeen, Charles G., Wilquet, Valérie, Vandaele, Ann Carine, Mahieux, Arnaud, Tellmann, Silvia, Pätzold, Martin

“…Observations from Pioneer Venus and from SPICAV/SOIR aboard Venus Express (VEx) have shown the upper haze (UH) of Venus to be highly spatially and temporally…”
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Black carbon lofts wildfire smoke high into the stratosphere to form a persistent plume by Yu, Pengfei, Toon, Owen B, Bardeen, Charles G, Zhu, Yunqian, Rosenlof, Karen H, Portmann, Robert W, Thornberry, Troy D, Gao, Ru-Shan, Davis, Sean M, Wolf, Eric T, de Gouw, Joost, Peterson, David A, Fromm, Michael D, Robock, Alan

“…In 2017, western Canadian wildfires injected smoke into the stratosphere that was detectable by satellites for more than 8 months. The smoke plume rose from 12…”
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Global Food Insecurity and Famine From Reduced Crop, Marine Fishery and Livestock Production Due to Climate Disruption From Nuclear War Soot Injection by Xia, Lili, Robock, Alan, Scherrer, Kim, Harrison, Cheryl S., Bodirsky, Benjamin Leon, Weindl, Isabelle, Jägermeyr, Jonas, Bardeen, Charles G., Toon, Owen B., Heneghan, Ryan

“…Atmospheric soot loadings from nuclear weapon detonation would cause disruptions to the Earth’s climate, limiting terrestrial and aquatic food production…”
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Persistent Stratospheric Warming Due to 2019–2020 Australian Wildfire Smoke by Yu, Pengfei, Davis, Sean M., Toon, Owen B., Portmann, Robert W., Bardeen, Charles G., Barnes, John E., Telg, Hagen, Maloney, Christopher, Rosenlof, Karen H.

“…Australian wildfires burning from December 2019 to January 2020 injected approximately 0.9 Tg of smoke into the stratosphere; this is the largest amount…”
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On the stratospheric chemistry of midlatitude wildfire smoke by Solomon, Susan, Dube, Kimberlee, Stone, Kane, Yu, Pengfei, Kinnison, Doug, Toon, Owen B, Strahan, Susan E, Rosenlof, Karen H, Portmann, Robert, Davis, Sean, Randel, William, Bernath, Peter, Boone, Chris, Bardeen, Charles G, Bourassa, Adam, Zawada, Daniel, Degenstein, Doug

“…SignificanceLarge wildfires have been observed to inject smoke into the stratosphere, raising questions about their potential to affect the stratospheric ozone…”
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A regional nuclear conflict would compromise global food security by Jägermeyr, Jonas, Robock, Alan, Elliott, Joshua, Müller, Christoph, Xia, Lili, Khabarov, Nikolay, Folberth, Christian, Schmid, Erwin, Liu, Wenfeng, Zabel, Florian, Rabin, Sam S., Puma, Michael J., Heslin, Alison, Franke, James, Foster, Ian, Asseng, Senthold, Bardeen, Charles G., Toon, Owen B., Rosenzweig, Cynthia

“…A limited nuclear war between India and Pakistan could ignite fires large enough to emit more than 5 Tg of soot into the stratosphere. Climate model…”
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