Search Results - "Nicely, Julie"

Description of the NASA GEOS Composition Forecast Modeling System GEOS-CF v1.0 by Keller, Christoph Andrea, Knowland, K Emma, Duncan, Bryan N, Liu, Junhua, Anderson, Daniel C, Das, Sampa, Lucchesi, Robert A, Lundgren, Elizabeth W, Nicely, Julie Megan, Nielsen, Eric, Ott, Lesley E, Saunders, Emily, Strode, Sarah A, Wales, Pamela A, Jacob, Daniel J., Pawson, Steven

“…The Goddard Earth Observing System composition forecast (GEOS-CF) system is a high-resolution (0.25 degree) global constituent prediction system from NASA’s…”
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Mapping hydroxyl variability throughout the global remote troposphere via synthesis of airborne and satellite formaldehyde observations by Wolfe, Glenn M., Nicely, Julie M., St. Clair, Jason M., Hanisco, Thomas F., Liao, Jin, Oman, Luke D., Brune, William B., Miller, David, Thames, Alexander, Abad, Gonzalo González, Ryerson, Thomas B., Thompson, Chelsea R., Peischl, Jeff, McCain, Kathryn, Sweeney, Colm, Wennberg, Paul O., Kim, Michelle, Crounse, John D., Hall, Samuel R., Ullmann, Kirk, Diskin, Glenn, Bui, Paul, Chang, Cecilia, Dean-Day, Jonathan

“…The hydroxyl radical (OH) fuels tropospheric ozone production and governs the lifetime of methane and many other gases. Existing methods to quantify global OH…”
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Trends and Interannual Variability of the Hydroxyl Radical in the Remote Tropics During Boreal Autumn Inferred From Satellite Proxy Data by Anderson, Daniel C., Duncan, Bryan N., Liu, Junhua, Nicely, Julie M., Strode, Sarah A., Follette‐Cook, Melanie B., Souri, Amir H., Ziemke, Jerry R., González‐Abad, Gonzalo, Ayazpour, Zolal

“…Despite its importance for the global oxidative capacity, spatially resolved trends and variability of the hydroxyl radical (OH) are poorly constrained. We…”
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Spatial and temporal variability in the hydroxyl (OH) radical: understanding the role of large-scale climate features and their influence on OH through its dynamical and photochemical drivers by Anderson, Daniel C, Duncan, Bryan N, Fiore, Arlene M, Baublitz, Colleen B, Follette-Cook, Melanie B, Nicely, Julie M, Wolfe, Glenn M

“…The hydroxyl radical (OH) is the primary atmospheric oxidant responsible for removing many important trace gases, including methane, from the atmosphere…”
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Technical note: Constraining the hydroxyl (OH) radical in the tropics with satellite observations of its drivers – first steps toward assessing the feasibility of a global observation strategy by Anderson, Daniel C, Duncan, Bryan N, Nicely, Julie M, Liu, Junhua, Strode, Sarah A, Follette-Cook, Melanie B

“…Despite its importance in controlling the abundance of methane (CH4) and a myriad of other tropospheric species, the hydroxyl radical (OH) is poorly…”
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A Machine Learning Examination of Hydroxyl Radical Differences Among Model Simulations for CCMI-1 by Nicely, Julie M, Duncan, Bryan N, Hanisco, Thomas F, Wolfe, Glenn M, Salawitch, Ross J, Deushi, Makoto, Haslerud, Amund S, Jöckel, Patrick, Josse, Béatrice, Kinnison, Douglas E, Klekociuk, Andrew, Manyin, Michael E, Marécal, Virginie, Morgenstern, Olaf, Murray, Lee T, Myhre, Gunnar, Oman, Luke D, Pitari, Giovanni, Pozzer, Andrea, Quaglia, Ilaria, Revell, Laura E, Rozanov, Eugene, Stenke, Andrea, Stone, Kane, Strahan, Susan, Tilmes, Simone, Tost, Holger, Westervelt, Daniel M, Zeng, Guang

“…Hydroxyl radical (OH) plays critical roles within the troposphere, such as determining the lifetime of methane (CH4), yet is challenging to model due to its…”
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Opinion: Beyond global means – novel space-based approaches to indirectly constrain the concentrations of and trends and variations in the tropospheric hydroxyl radical (OH) by Duncan, Bryan N., Anderson, Daniel C., Fiore, Arlene M., Joiner, Joanna, Krotkov, Nickolay A., Li, Can, Millet, Dylan B., Nicely, Julie M., Oman, Luke D., St. Clair, Jason M., Shutter, Joshua D., Souri, Amir H., Strode, Sarah A., Weir, Brad, Wolfe, Glenn M., Worden, Helen M., Zhu, Qindan

“…The hydroxyl radical (OH) plays a central role in tropospheric chemistry, as well as influencing the lifetimes of some greenhouse gases. Because of limitations…”
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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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Quantifying the Causes of Differences in Tropospheric OH Within Global Models by Nicely, Julie M., Salawitch, Ross J., Canty, Timothy, Anderson, Daniel C., Arnold, Steve R., Chipperfield, Martyn P., Emmons, Louisa K., Flemming, Johannes, Huijnen, Vincent, Kinnison, Douglas E., Jean-Francois, Lamarque, Mao, Jingqiu, Monks, Sarah A., Steenrod, Stephen D., Tilmes, Simone, Turquety, Solene

“…The hydroxyl radical (OH) is the primary daytime oxidant in the troposphere and provides the main loss mechanism for many pollutants and greenhouse gases,…”
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A machine learning methodology for the generation of a parameterization of the hydroxyl radical by Anderson, Daniel C, Follette-Cook, Melanie B, Strode, Sarah A, Nicely, Julie M, Liu, Junhua, Ivatt, Peter D, Duncan, Bryan N

“…We present a methodology that uses gradient-boosted regression trees (a machine learning technique) and a full-chemistry simulation (i.e., training dataset)…”
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Changes in Global Tropospheric OH Expected as a Result of Climate Change Over the Last Several Decades by Nicely, Julie M., Canty, Timothy P., Manyin, Michael, Oman, Luke D., Salawitch, Ross J., Steenrod, Stephen D., Strahan, Susan E., Strode, Sarah A.

“…The oxidizing capacity of the troposphere is controlled primarily by the abundance of hydroxyl radical (OH). The global mean concentration of tropospheric OH,…”
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Airborne measurements of BrO and the sum of HOBr and Br2 over the Tropical West Pacific from 1 to 15km during the CONvective TRansport of Active Species in the Tropics (CONTRAST) experiment by Chen, Dexian, Huey, L Gregory, Tanner, David J, Salawitch, Ross J, Anderson, Daniel C, Wales, Pamela A, Pan, Laura L, Atlas, Elliot L, Hornbrook, Rebecca S, Apel, Eric C, Blake, Nicola J, Campos, Teresa L, Donets, Valeria, Flocke, Frank M, Hall, Samuel R, Hanisco, Thomas F, Hills, Alan J, Honomichl, Shawn B, Jensen, Jørgen B, Kaser, Lisa, Montzka, Denise D, Nicely, Julie M, Reeves, J Michael, Riemer, Daniel D, Schauffler, Sue M, Ullmann, Kirk, Weinheimer, Andrew J, Wolfe, Glenn M

“…A chemical ionization mass spectrometer was used to measure BrO and HOBr+Br2 over the Tropical West Pacific Ocean within the altitude range of 1 to 15km,…”
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Cytoplasmic PELP1 and ERRgamma protect human mammary epithelial cells from Tam-induced cell death by Girard, Brian J, Regan Anderson, Tarah M, Welch, Siya Lem, Nicely, Julie, Seewaldt, Victoria L, Ostrander, Julie H

“…Tamoxifen (Tam) is the only FDA-approved chemoprevention agent for pre-menopausal women at high risk for developing breast cancer. While Tam reduces a woman's…”
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Airborne Measurements of BrO and the Sum of HOBr and Br2 over the Tropical West Pacific from 1 to 15 Km During the CONvective TRansport of Active Species in the Tropics (CONTRAST) Experiment by Chen, Dexian, Huey, L. Gregory, Tanner, David J., Salawitch, Ross J., Anderson, Daniel C., Wales, Pamela A., Pan, Laura L., Atlas, Elliot L., Hornbrook, Rebecca S., Apel, Eric C., Hanisco, Thomas F., Nicely, Julie M., Wolfe, Glenn M.

“…A chemical ionization mass spectrometer was used to measure BrO and HOBr + Br2 over the Tropical West Pacific Ocean within the altitude range of 1 to 15 km,…”
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Intercomparison Between Surrogate, Explicit, and Full Treatments of VSL Bromine Chemistry Within the CAM‐Chem Chemistry‐Climate Model by Fernandez, Rafael P., Barrera, Javier A., López‐Noreña, Ana Isabel, Kinnison, Douglas E., Nicely, Julie, Salawitch, Ross J., Wales, Pamela A., Toselli, Beatriz M., Tilmes, Simone, Lamarque, Jean‐François, Cuevas, Carlos A., Saiz‐Lopez, Alfonso

“…Many Chemistry‐Climate Models (CCMs) include a simplified treatment of brominated very short‐lived (VSLBr) species by assuming CH3Br as a surrogate for VSLBr…”
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An examination of hydroxyl radical: Our current understanding of the oxidative capacity of the troposphere through empirical, box, and global modeling approaches by Nicely, Julie Megan

“…Hydroxyl radical (OH) is the primary oxidant in the troposphere, initiating the removal of numerous atmospheric species including greenhouse gases, pollutants…”
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Airborne measurements of BrO and the sum of HOBr and Br 2 over the Tropical West Pacific from 1 to 15 km during the CONvective TRansport of Active Species in the Tropics (CONTRAST) experiment by Chen, Dexian, Huey, L. Gregory, Tanner, David J., Salawitch, Ross J., Anderson, Daniel C., Wales, Pamela A., Pan, Laura L., Atlas, Elliot L., Hornbrook, Rebecca S., Apel, Eric C., Blake, Nicola J., Campos, Teresa L., Donets, Valeria, Flocke, Frank M., Hall, Samuel R., Hanisco, Thomas F., Hills, Alan J., Honomichl, Shawn B., Jensen, Jørgen B., Kaser, Lisa, Montzka, Denise D., Nicely, Julie M., Reeves, J. Michael, Riemer, Daniel D., Schauffler, Sue M., Ullmann, Kirk, Weinheimer, Andrew J., Wolfe, Glenn M.

“…A chemical ionization mass spectrometer was used to measure BrO and HOBr + Br 2 over the Tropical West Pacific Ocean within the altitude range of 1 to 15 km,…”
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Airborne measurements of BrO and the sum of HOBr and Br sub(2) over the Tropical West Pacific from 1 to 15km during the CONvective TRansport of Active Species in the Tropics (CONTRAST) experiment by Chen, Dexian, Huey, LGregory, Tanner, David J, Salawitch, Ross J, Anderson, Daniel C, Wales, Pamela A, Pan, Laura L, Atlas, Elliot L, Hornbrook, Rebecca S, Apel, Eric C, Blake, Nicola J, Campos, Teresa L, Donets, Valeria, Flocke, Frank M, Hall, Samuel R, Hanisco, Thomas F, Hills, Alan J, Honomichl, Shawn B, Jensen, Joergen B, Kaser, Lisa, Montzka, Denise D, Nicely, Julie M, Reeves, JMichael, Riemer, Daniel D, Schauffler, Sue M, Ullmann, Kirk, Weinheimer, Andrew J, Wolfe, Glenn M

“…A chemical ionization mass spectrometer was used to measure BrO and HOBr+Br sub(2) over the Tropical West Pacific Ocean within the altitude range of 1 to 15km,…”
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A Pervasive Role for Biomass Burning in Tropical High Ozonelow Water Structures by Anderson, Daniel C., Nicely, Julie M., Salawitch, Ross J., Canty, Timothy P., Dickerson, Russell R., Hanisco, Thomas F., Wolfe, Glenn M., Apel, Eric C., Atlas, Elliot, Bannon, Thomas, Bauguitte, Stephane, Blake, Nicola J., Bresch, James F., Campos, Teresa L., Carpenter, Lucy J., Cohen, Mark D., Evans, Mathew, Fernandez, Rafael P., Kahn, Brian H., Kinnison, Douglas E., Hall, Samuel R., Harris, Neil R. P., Hornbrook, Rebecca S., Thompson, Anne Mee, Lamarque, Jean-Francois

“…Air parcels with mixing ratios of high O3 and low H2O (HOLW) are common features in the tropical western Pacific (TWP) mid-troposphere (300-700 hPa). Here,…”
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Missing OH Reactivity in the Global Marine Boundary Layer by Thames, Alexander B., Brune, William H., Miller, David O., Allen, Hannah M., Apel, Eric C., Blake, Donald R., Bui, T. Paul, Commane, Roisin, Crounse, John D., Daube, Bruce C., Diskin, Glenn S., DiGangi, Joshua P., Elkins, James W., Hall, Samuel R., Hanisco, Thomas F., Hannun, Reem A, Hintsa, Eric, Hornbrook, Rebecca S., Kim, Michelle J., McKain, Kathryn, Moore, Fred L., Nicely, Julie M., Peischl, Jeffrey, Ryerson, Thomas B., Clair, Jason M. St, Sweeney, Colm, Teng, Alex, Thompson, Chelsea R., Ullmann, Kirk, Wennberg, Paul O., Wolfe, Glenn M.

“…The hydroxyl radical (OH) reacts with thousands of chemical species in the atmosphere, initiating their removal and the chemical reaction sequences that…”
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