Search Results - "Hassler, Birgit"

Comparison of Reanalysis and Observational Precipitation Datasets Including ERA5 and WFDE5 by Hassler, Birgit, Lauer, Axel

“…Precipitation is a key component of the hydrological cycle and one of the most important variables in weather and climate studies. Accurate and reliable…”
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Detecting recovery of the stratospheric ozone layer by Chipperfield, Martyn P., Bekki, Slimane, Dhomse, Sandip, Harris, Neil R. P., Hassler, Birgit, Hossaini, Ryan, Steinbrecht, Wolfgang, Thiéblemont, Rémi, Weber, Mark

“…As a result of the 1987 Montreal Protocol and its amendments, the atmospheric loading of anthropogenic ozone-depleting substances is decreasing. Accordingly,…”
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Tropospheric ozone in CMIP6 simulations by Griffiths, Paul T, Murray, Lee T, Zeng, Guang, Shin, Youngsub Matthew, Abraham, N. Luke, Archibald, Alexander T, Deushi, Makoto, Emmons, Louisa K, Galbally, Ian E, Hassler, Birgit, Horowitz, Larry W, Keeble, James, Liu, Jane, Moeini, Omid, Naik, Vaishali, O'Connor, Fiona M, Oshima, Naga, Tarasick, David, Tilmes, Simone, Turnock, Steven T, Wild, Oliver, Young, Paul J, Zanis, Prodromos

“…The evolution of tropospheric ozone from 1850 to 2100 has been studied using data from Phase 6 of the Coupled Model Intercomparison Project (CMIP6). We…”
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Tropospheric Ozone Assessment Report: Tropospheric Ozone From 1877 to 2016, Observed Levels, Trends and Uncertainties by Galbally, Ian E., Cooper, Owen R., Schultz, Martin G., Ancellet, Gerard, Leblanc, Thierry, Wallington, Timothy J., Ziemke, Jerry, Liu, Xiong, Steinbacher, Martin, Staehelin, Johannes, Vigouroux, Corinne, Hannigan, James W., García, Omaira, Foret, Gilles, Zanis, Prodromos, Weatherhead, Elizabeth, Petropavlovskikh, Irina, Worden, Helen, Osman, Mohammed, Liu, Jane, Chang, Kai-Lan, Gaudel, Audrey, Lin, Meiyun, Granados-Muñoz, Maria, Thompson, Anne M, Oltmans, Samuel J., Cuesta, Juan, Dufour, Gaelle, Thouret, Valerie, Hassler, Birgit, Trickl, Thomas, Neu, Jessica L

“…From the earliest observations of ozone in the lower atmosphere in the 19th century, both measurement methods and the portion of the globe observed have…”
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Analysis of long‐term observations of NOx and CO in megacities and application to constraining emissions inventories by Hassler, Birgit, McDonald, Brian C., Frost, Gregory J., Borbon, Agnes, Carslaw, David C., Civerolo, Kevin, Granier, Claire, Monks, Paul S., Monks, Sarah, Parrish, David D., Pollack, Ilana B., Rosenlof, Karen H., Ryerson, Thomas B., Schneidemesser, Erika, Trainer, Michael

“…Long‐term atmospheric NOx/CO enhancement ratios in megacities provide evaluations of emission inventories. A fuel‐based emission inventory approach that…”
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Earth System Model Evaluation Tool (ESMValTool) v2.0 – technical overview by Righi, Mattia, Andela, Bouwe, Eyring, Veronika, Lauer, Axel, Predoi, Valeriu, Schlund, Manuel, Vegas-Regidor, Javier, Bock, Lisa, Brötz, Björn, de Mora, Lee, Diblen, Faruk, Dreyer, Laura, Drost, Niels, Earnshaw, Paul, Hassler, Birgit, Koldunov, Nikolay, Little, Bill, Loosveldt Tomas, Saskia, Zimmermann, Klaus

“…This paper describes the second major release of the Earth System Model Evaluation Tool (ESMValTool), a community diagnostic and performance metrics tool for…”
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The Stratospheric Water and Ozone Satellite Homogenized (SWOOSH) database: a long-term database for climate studies by Davis, Sean M, Rosenlof, Karen H, Hassler, Birgit, Hurst, Dale F, Read, William G, Vömel, Holger, Selkirk, Henry, Fujiwara, Masatomo, Damadeo, Robert

“…In this paper, we describe the construction of the Stratospheric Water and Ozone Satellite Homogenized (SWOOSH) database, which includes vertically resolved…”
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Comment on "Observation of Large and All-Season Ozone Losses Over the Tropics" [AIP Advances 12, 075066 (2022)] by Chipperfield, Martyn P, Chrysanthou, Andreas, Damadeo, Robert, Dameris, Martin, Dhomse, Sandip S, Fioletov, Vitali, Frith, Stacey M, Godin-Beekmann, Sophie, Hassler, Birgit, Liu, Jane, Müller, Rolf, Petropavlovskikh, Irina, Santee, Michelle L, Stauffer, Ryan M, Thompson, Anne M, Weber, Mark, Young, Paul J

“…As discussed above, and supported by extensive literature, there is no robust, credible observational evidence for substantial ozone depletion (i.e., an “ozone…”
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Spatial Coverage of Monitoring Networks: A Climate Observing System Simulation Experiment by Weatherhead, Elizabeth C., Bodeker, Greg E., Fassò, Alessandro, Chang, Kai-Lan, Lazo, Jeffrey K., Clack, C. T. M., Hurst, Dale F., Hassler, Birgit, English, Jason M., Yorgun, Soner

“…Observing systems consisting of a finite number of in situ monitoring stations can provide high-quality measurements with the ability to quality assure both…”
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Attribution of Stratospheric and Tropospheric Ozone Changes Between 1850 and 2014 in CMIP6 Models by Morgenstern, Olaf, Williams, Jonny H T, O'Connor, Fiona M, Griffiths, Paul T, Keeble, James, Deushi, Makoto, Horowitz, Larry W, Naik, Vaishali, Emmons, Louisa K, Abraham, N Luke, Archibald, Alexander T, Bauer, Susanne E, Hassler, Birgit, Michou, Martine, Mills, Michael J, Murray, Lee T, Oshima, Naga, Sentman, Lori T, Tilmes, Simone, Tsigaridis, Kostas, Young, Paul J

“…We quantify the impacts of halogenated ozone-depleting substances (ODSs), greenhouse gases (GHGs), and short-lived ozone precursors on ozone changes between…”
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Revisiting ozone measurements as an indicator of tropical width by Davis, Sean M., Hassler, Birgit, Rosenlof, Karen H.

“…The total column ozone (TCO) amount varies with latitude, in part due to the difference in tropopause height between the tropics and midlatitudes. This…”
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Response of stratospheric water vapour to warming constrained by satellite observations by Nowack, Peer, Ceppi, Paulo, Davis, Sean M., Chiodo, Gabriel, Ball, Will, Diallo, Mohamadou A., Hassler, Birgit, Jia, Yue, Keeble, James, Joshi, Manoj

“…Future increases in stratospheric water vapour risk amplifying climate change and slowing down the recovery of the ozone layer. However, state-of-the-art…”
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Evaluating stratospheric ozone and water vapour changes in CMIP6 models from 1850 to 2100 by Keeble, James, Hassler, Birgit, Banerjee, Antara, Checa-Garcia, Ramiro, Chiodo, Gabriel, Davis, Sean, Eyring, Veronika, Griffiths, Paul T, Morgenstern, Olaf, Nowack, Peer, Zeng, Guang, Zhang, Jiankai, Bodeker, Greg, Burrows, Susannah, Cameron-Smith, Philip, Cugnet, David, Danek, Christopher, Deushi, Makoto, Horowitz, Larry W, Kubin, Anne, Li, Lijuan, Lohmann, Gerrit, Michou, Martine, Mills, Michael J, Nabat, Pierre, Olivié, Dirk, Park, Sungsu, Seland, Ãyvind, Stoll, Jens, Wieners, Karl-Hermann, Wu, Tongwen

“…Stratospheric ozone and water vapour are key components of the Earth system, and past and future changes to both have important impacts on global and regional…”
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Uncertainties in the evolution of stratospheric ozone and implications for recent temperature changes in the tropical lower stratosphere by Solomon, Susan, Young, Paul J., Hassler, Birgit

“…Observations from satellites and balloons suggest that ozone abundances have decreased in the tropical lower stratosphere since the late 1970s, but this…”
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Estimates of ozone return dates from Chemistry-Climate Model Initiative simulations by Dhomse, Sandip S, Kinnison, Douglas, Chipperfield, Martyn P, Salawitch, Ross J, Cionni, Irene, Hegglin, Michaela I, Abraham, N. Luke, Akiyoshi, Hideharu, Archibald, Alex T, Bednarz, Ewa M, Bekki, Slimane, Braesicke, Peter, Butchart, Neal, Dameris, Martin, Deushi, Makoto, Frith, Stacey, Hardiman, Steven C, Hassler, Birgit, Horowitz, Larry W, Hu, Rong-Ming, Jöckel, Patrick, Josse, Beatrice, Kirner, Oliver, Kremser, Stefanie, Langematz, Ulrike, Lewis, Jared, Marchand, Marion, Lin, Meiyun, Mancini, Eva, Marécal, Virginie, Michou, Martine, Morgenstern, Olaf, O'Connor, Fiona M, Oman, Luke, Pitari, Giovanni, Plummer, David A, Pyle, John A, Revell, Laura E, Rozanov, Eugene, Schofield, Robyn, Stenke, Andrea, Stone, Kane, Sudo, Kengo, Tilmes, Simone, Visioni, Daniele, Yamashita, Yousuke, Zeng, Guang

“…>We analyse simulations performed for the Chemistry-Climate Model Initiative (CCMI) to estimate the return dates of the stratospheric ozone layer from…”
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An Update on Ozone Profile Trends for the Period 2000 to 2016 by Steinbrecht, Wolfgang, Froidevaux, Lucien, Fuller, Ryan, Wang, Ray, Anderson, John, Roth, Chris, Bourassa, Adam, Degenstein, Doug, Damadeo, Robert, Zawodny, Joe, Frith, Stacey, McPeters, Richard, Bhartia, Pawan, Wild, Jeannette, Long, Craig, Davis, Sean, Rosenlof, Karen, Sofieva, Viktoria, Walker, Kaley, Rahpoe, Nabiz, Rozanov, Alexei, Weber, Mark, Laeng, Alexandra, von Clarmann, Thomas, Stiller, Gabriele, Kramarova, Natalya, Godin-Beekmann, Sophie, Leblanc, Thierry, Querel, Richard, Swart, Daan, Boyd, Ian, Hocke, Klemens, Kampfer, Niklaus, Maillard Barras, Eliane, Moreira, Lorena, Nedoluha, Gerald, Vigouroux, Corinne, Blumenstock, Thomas, Schneider, Matthias, García, Omaira, Jones, Nicholas, Mahieu, Emmanuel, Smale, Dan, Kotkamp, Michael, Robinson, John, Petropavlovskikh, Irina, Harris, Neil, Hassler, Birgit, Hubert, Daan, Tummon, Fiona

“…Ozone profile trends over the period 2000 to 2016 from several merged satellite ozone data sets and from ground-based data measured by four techniques at…”
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Earth System Model Evaluation Tool (ESMValTool) v2.0 – an extended set of large-scale diagnostics for quasi-operational and comprehensive evaluation of Earth system models in CMIP by Eyring, Veronika, Bock, Lisa, Lauer, Axel, Righi, Mattia, Schlund, Manuel, Andela, Bouwe, Arnone, Enrico, Bellprat, Omar, Brötz, Björn, Caron, Louis-Philippe, Carvalhais, Nuno, Cionni, Irene, Cortesi, Nicola, Crezee, Bas, Davin, Edouard L, Davini, Paolo, Debeire, Kevin, de Mora, Lee, Deser, Clara, Docquier, David, Earnshaw, Paul, Ehbrecht, Carsten, Gier, Bettina K, Gonzalez-Reviriego, Nube, Goodman, Paul, Hagemann, Stefan, Hardiman, Steven, Hassler, Birgit, Hunter, Alasdair, Kadow, Christopher, Kindermann, Stephan, Koirala, Sujan, Koldunov, Nikolay, Lejeune, Quentin, Lembo, Valerio, Lovato, Tomas, Lucarini, Valerio, Massonnet, François, Müller, Benjamin, Pandde, Amarjiit, Pérez-Zanón, Núria, Phillips, Adam, Predoi, Valeriu, Russell, Joellen, Sellar, Alistair, Serva, Federico, Stacke, Tobias, Swaminathan, Ranjini, Torralba, Verónica, Vegas-Regidor, Javier, von Hardenberg, Jost, Weigel, Katja, Zimmermann, Klaus

“…The Earth System Model Evaluation Tool (ESMValTool) is a community diagnostics and performance metrics tool designed to improve comprehensive and routine…”
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South Pole Station ozonesondes: variability and trends in the springtime Antarctic ozone hole 1986–2021 by Johnson, Bryan J, Cullis, Patrick, Booth, John, Petropavlovskikh, Irina, McConville, Glen, Hassler, Birgit, Morris, Gary A, Sterling, Chance, Oltmans, Samuel

“…Balloon-borne ozonesondes launched weekly from South Pole Station (1986–2021) measure high-vertical-resolution profiles of ozone and temperature from the…”
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Representativeness of single lidar stations for zonally averaged ozone profiles, their trends and attribution to proxies by Zerefos, Christos, Kapsomenakis, John, Eleftheratos, Kostas, Tourpali, Kleareti, Petropavlovskikh, Irina, Hubert, Daan, Godin-Beekmann, Sophie, Steinbrecht, Wolfgang, Frith, Stacey, Sofieva, Viktoria, Hassler, Birgit

“…This paper is focusing on the representativeness of single lidar stations for zonally averaged ozone profile variations over the middle and upper stratosphere…”
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Detecting Extreme Temperature Events Using Gaussian Mixture Models by Paçal, Aytaç, Hassler, Birgit, Weigel, Katja, Kurnaz, M. Levent, Wehner, Michael F., Eyring, Veronika

“…Extreme temperature events have traditionally been detected assuming a unimodal distribution of temperature data. We found that surface temperature data can be…”
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