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34 results on '"Panitz, Hans-Juergen"'

1. The Worldwide C3S CORDEX Grand Ensemble : A Major Contribution to Assess Regional Climate Change in the IPCC AR6 Atlas

Author

Diez-Sierra, Javier, Iturbide, Maialen, Gutiérrez, José M., Fernández, Jesús, Milovac, Josipa, Cofiño, Antonio S., Cimadevilla, Ezequiel, Nikulin, Grigory, Levavasseur, Guillaume, Kjellström, Erik, Bülow, Katharina, Horányi, András, Brookshaw, Anca, García-Díez, Markel, Pérez, Antonio, Baño-Medina, Jorge, Ahrens, Bodo, Alias, Antoinette, Ashfaq, Moetasim, Bukovsky, Melissa, Buonomo, Erasmo, Caluwaerts, Steven, Chou, Sin Chan, Christensen, Ole B., Ciarlò, James M., Coppola, Erika, Corre, Lola, Demory, Marie-Estelle, Djurdjevic, Vladimir, Evans, Jason P., Fealy, Rowan, Feldmann, Hendrik, Jacob, Daniela, Jayanarayanan, Sanjay, Katzfey, Jack, Keuler, Klaus, Kittel, Christoph, Kurnaz, Mehmet Levent, Laprise, René, Lionello, Piero, McGinnis, Seth, Mercogliano, Paola, Nabat, Pierre, Önol, Barış, Ozturk, Tugba, Panitz, Hans-Jürgen, Paquin, Dominique, Pieczka, Ildikó, Raffaele, Francesca, Remedio, Armelle Reca, Scinocca, John, Sevault, Florence, Somot, Samuel, Steger, Christian, Tangang, Fredolin, Teichmann, Claas, Termonia, Piet, Thatcher, Marcus, Torma, Csaba, van Meijgaard, Erik, Vautard, Robert, Warrach-Sagi, Kirsten, Winger, Katja, and Zittis, George

Published
2022

2. Future Global Meteorological Drought Hot Spots : A Study Based on CORDEX Data

Author

Spinoni, Jonathan, Barbosa, Paulo, Bucchignani, Edoardo, Cassano, John, Cavazos, Tereza, Christensen, Jens H., Christensen, Ole B., Coppola, Erika, Evans, Jason, Geyer, Beate, Giorgi, Filippo, Hadjinicolaou, Panos, Jacob, Daniela, Katzfey, Jack, Koenigk, Torben, Laprise, René, Lennard, Christopher J., Kurnaz, M. Levent, Li, Delei, Llopart, Marta, McCormick, Niall, Naumann, Gustavo, Nikulin, Grigory, Ozturk, Tugba, Panitz, Hans-Juergen, da Rocha, Rosmeri Porfirio, Rockel, Burkhardt, Solman, Silvina A., Syktus, Jozef, Tangang, Fredolin, Teichmann, Claas, Vautard, Robert, Vogt, Jürgen V., Winger, Katja, Zittis, George, and Dosio, Alessandro

Published
2020

4. The first multi-model ensemble of regional climate simulations at kilometer-scale resolution, part I: evaluation of precipitation

Author

Ban, Nikolina, Caillaud, Cécile, Coppola, Erika, Pichelli, Emanuela, Sobolowski, Stefan, Adinolfi, Marianna, Ahrens, Bodo, Alias, Antoinette, Anders, Ivonne, Bastin, Sophie, Belušić, Danijel, Berthou, Ségolène, Brisson, Erwan, Cardoso, Rita M., Chan, Steven C., Christensen, Ole Bøssing, Fernández, Jesús, Fita, Lluís, Frisius, Thomas, Gašparac, Goran, Giorgi, Filippo, Goergen, Klaus, Haugen, Jan Erik, Hodnebrog, Øivind, Kartsios, Stergios, Katragkou, Eleni, Kendon, Elizabeth J., Keuler, Klaus, Lavin-Gullon, Alvaro, Lenderink, Geert, Leutwyler, David, Lorenz, Torge, Maraun, Douglas, Mercogliano, Paola, Milovac, Josipa, Panitz, Hans-Juergen, Raffa, Mario, Remedio, Armelle Reca, Schär, Christoph, Soares, Pedro M. M, Srnec, Lidija, Steensen, Birthe Marie, Stocchi, Paolo, Tölle, Merja H., Truhetz, Heimo, Vergara-Temprado, Jesus, de Vries, Hylke, Warrach-Sagi, Kirsten, Wulfmeyer, Volker, and Zander, Mar Janne

Published
2021
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5. The first multi-model ensemble of regional climate simulations at kilometer-scale resolution part 2: historical and future simulations of precipitation

Author

Pichelli, Emanuela, Coppola, Erika, Sobolowski, Stefan, Ban, Nikolina, Giorgi, Filippo, Stocchi, Paolo, Alias, Antoinette, Belušić, Danijel, Berthou, Segolene, Caillaud, Cecile, Cardoso, Rita M., Chan, Steven, Christensen, Ole Bøssing, Dobler, Andreas, de Vries, Hylke, Goergen, Klaus, Kendon, Elizabeth J., Keuler, Klaus, Lenderink, Geert, Lorenz, Torge, Mishra, Aditya N., Panitz, Hans-Juergen, Schär, Christoph, Soares, Pedro M. M., Truhetz, Heimo, and Vergara-Temprado, Jesus

Published
2021
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9. Regional climate downscaling over Europe: perspectives from the EURO-CORDEX community

Author

Jacob, Daniela, Teichmann, Claas, Sobolowski, Stefan, Katragkou, Eleni, Anders, Ivonne, Belda, Michal, Benestad, Rasmus, Boberg, Fredrik, Buonomo, Erasmo, Cardoso, Rita M., Casanueva, Ana, Christensen, Ole B., Christensen, Jens Hesselbjerg, Coppola, Erika, De Cruz, Lesley, Davin, Edouard L., Dobler, Andreas, Domínguez, Marta, Fealy, Rowan, Fernandez, Jesus, Gaertner, Miguel Angel, García-Díez, Markel, Giorgi, Filippo, Gobiet, Andreas, Goergen, Klaus, Gómez-Navarro, Juan José, Alemán, Juan Jesús González, Gutiérrez, Claudia, Gutiérrez, José M., Güttler, Ivan, Haensler, Andreas, Halenka, Tomáš, Jerez, Sonia, Jiménez-Guerrero, Pedro, Jones, Richard G., Keuler, Klaus, Kjellström, Erik, Knist, Sebastian, Kotlarski, Sven, Maraun, Douglas, van Meijgaard, Erik, Mercogliano, Paola, Montávez, Juan Pedro, Navarra, Antonio, Nikulin, Grigory, de Noblet-Ducoudré, Nathalie, Panitz, Hans-Juergen, Pfeifer, Susanne, Piazza, Marie, Pichelli, Emanuela, Pietikäinen, Joni-Pekka, Prein, Andreas F., Preuschmann, Swantje, Rechid, Diana, Rockel, Burkhardt, Romera, Raquel, Sánchez, Enrique, Sieck, Kevin, Soares, Pedro M. M., Somot, Samuel, Srnec, Lidija, Sørland, Silje Lund, Termonia, Piet, Truhetz, Heimo, Vautard, Robert, Warrach-Sagi, Kirsten, and Wulfmeyer, Volker

Published
2020
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23. Can Convection‐Permitting Models really Offer Promise of More Certain Extreme Rainfall Projections ?

Author

Fosser, Giorgia, primary, Adinolfi, Marianna, additional, Ban, Nikolina, additional, Belusic, Danijel, additional, Berthou, Ségolène, additional, Caillaud, Cécile, additional, Cardoso, Rita M., additional, Coppola, Erika, additional, De Vries, Hylke, additional, Dobler, Andreas, additional, Feldmann, Hendrik, additional, Goergen, Klaus, additional, Kendon, Elizabeth J., additional, Lenderink, Geert, additional, Panitz, Hans-Juergen, additional, Pichelli, Emanuela, additional, Soares, Pedro M. M., additional, Somot, Samuel, additional, Tölle, Merja H., additional, and Vergara-Temprado, Jesus, additional

Published
2021
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24. Land-atmosphere coupling during compound extreme heat and drought events in the LUCAS experiment: a new coupling metric for climate extremes

Author

Cardoso, Rita M., primary, Lima, Daniela D. C. A., additional, Soares, Pedro M. M., additional, Rechid, Diana, additional, Breil, Marcus, additional, Coppola, Erika, additional, Davin, Edouard, additional, Hoffmann, Peter, additional, Jach, Lisa, additional, Katragkou, Eleni Katragkou, additional, Meier, Ronny, additional, Mooney, Priscilla A., additional, de Noblet-Ducoudré, Natalie, additional, Panitz, Hans-Juergen, additional, Sofiadis, Ioannis, additional, Strada, Susanna, additional, Strandberg, Gustav, additional, Tölle, Merja, additional, and Warrach-Sagi, Kirsten, additional

Published
2021
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25. Future Global Meteorological Drought Hot Spots:A Study Based on CORDEX Data

Author

Spinoni, Jonathan, Barbosa, Paulo, Bucchignani, Edoardo, Cassano, John, Cavazos, Tereza, Christensen, Jens H., Christensen, Ole B., Coppola, Erika, Evans, Jason, Geyer, Beate, Giorgi, Filippo, Hadjinicolaou, Panos, Jacob, Daniela, Katzfey, Jack, Koenigk, Torben, Laprise, Rene, Lennard, Christopher J., Kurnaz, M. Levent, Li, Delei, Llopart, Marta, McCormick, Niall, Naumann, Gustavo, Nikulin, Grigory, Ozturk, Tugba, Panitz, Hans-Juergen, da Rocha, Rosmeri Porfirio, Rockel, Burkhardt, Solman, Silvina A., Syktus, Jozef, Tangang, Fredolin, Teichmann, Claas, Vautard, Robert, Vogt, Juergen V., Winger, Katja, Zittis, George, Dosio, Alessandro, Spinoni, Jonathan, Barbosa, Paulo, Bucchignani, Edoardo, Cassano, John, Cavazos, Tereza, Christensen, Jens H., Christensen, Ole B., Coppola, Erika, Evans, Jason, Geyer, Beate, Giorgi, Filippo, Hadjinicolaou, Panos, Jacob, Daniela, Katzfey, Jack, Koenigk, Torben, Laprise, Rene, Lennard, Christopher J., Kurnaz, M. Levent, Li, Delei, Llopart, Marta, McCormick, Niall, Naumann, Gustavo, Nikulin, Grigory, Ozturk, Tugba, Panitz, Hans-Juergen, da Rocha, Rosmeri Porfirio, Rockel, Burkhardt, Solman, Silvina A., Syktus, Jozef, Tangang, Fredolin, Teichmann, Claas, Vautard, Robert, Vogt, Juergen V., Winger, Katja, Zittis, George, and Dosio, Alessandro

Abstract

Two questions motivated this study: 1) Will meteorological droughts become more frequent and severe during the twenty-first century? 2) Given the projected global temperature rise, to what extent does the inclusion of temperature (in addition to precipitation) in drought indicators play a role in future meteorological droughts? To answer, we analyzed the changes in drought frequency, severity, and historically undocumented extreme droughts over 1981-2100, using the standardized precipitation index (SPI; including precipitation only) and standardized precipitation-evapotranspiration index (SPEI; indirectly including temperature), and under two representative concentration pathways (RCP4.5 and RCP8.5). As input data, we employed 103 high-resolution (0.44 degrees) simulations from the Coordinated Regional Climate Downscaling Experiment (CORDEX), based on a combination of 16 global circulation models (GCMs) and 20 regional circulation models (RCMs). This is the first study on global drought projections including RCMs based on such a large ensemble of RCMs. Based on precipitation only, similar to 15% of the global land is likely to experience more frequent and severe droughts during 2071-2100 versus 1981-2010 for both scenarios. This increase is larger (similar to 47% under RCP4.5, similar to 49% under RCP8.5) when precipitation and temperature are used. Both SPI and SPEI project more frequent and severe droughts, especially under RCP8.5, over southern South America, the Mediterranean region, southern Africa, southeastern China, Japan, and southern Australia. A decrease in drought is projected for high latitudes in Northern Hemisphere and Southeast Asia. If temperature is included, drought characteristics are projected to increase over North America, Amazonia, central Europe and Asia, the Horn of Africa, India, and central Australia; if only precipitation is considered, they are found to decrease over those areas.

Published
2020

26. Regional climate downscaling over Europe:perspectives from the EURO-CORDEX community

Author

Jacob, Daniela, Teichmann, Claas, Sobolowski, Stefan, Katragkou, Eleni, Anders, Ivonne, Belda, Michal, Benestad, Rasmus, Boberg, Fredrik, Buonomo, Erasmo, Cardoso, Rita M., Casanueva, Ana, Christensen, Ole B., Christensen, Jens Hesselbjerg, Coppola, Erika, De Cruz, Lesley, Davin, Edouard L., Dobler, Andreas, Dominguez, Marta, Fealy, Rowan, Fernandez, Jesus, Gaertner, Miguel Angel, Garcia-Diez, Markel, Giorgi, Filippo, Gobiet, Andreas, Goergen, Klaus, Jose Gomez-Navarro, Juan, Gonzalez Aleman, Juan Jesus, Gutierrez, Claudia, Gutierrez, Jose M., Guttler, Ivan, Haensler, Andreas, Halenka, Tomas, Jerez, Sonia, Jimenez-Guerrero, Pedro, Jones, Richard G., Keuler, Klaus, Kjellstrom, Erik, Knist, Sebastian, Kotlarski, Sven, Maraun, Douglas, van Meijgaard, Erik, Mercogliano, Paola, Pedro Montavez, Juan, Navarra, Antonio, Nikulin, Grigory, de Noblet-Ducoudre, Nathalie, Panitz, Hans-Juergen, Pfeifer, Susanne, Piazza, Marie, Pichelli, Emanuela, Pietikaeinen, Joni-Pekka, Prein, Andreas F., Preuschmann, Swantje, Rechid, Diana, Rockel, Burkhardt, Romera, Raquel, Sanchez, Enrique, Sieck, Kevin, Soares, Pedro M. M., Somot, Samuel, Srnec, Lidija, Sorland, Silje Lund, Termonia, Piet, Truhetz, Heimo, Vautard, Robert, Warrach-Sagi, Kirsten, Wulfmeyer, Volker, Jacob, Daniela, Teichmann, Claas, Sobolowski, Stefan, Katragkou, Eleni, Anders, Ivonne, Belda, Michal, Benestad, Rasmus, Boberg, Fredrik, Buonomo, Erasmo, Cardoso, Rita M., Casanueva, Ana, Christensen, Ole B., Christensen, Jens Hesselbjerg, Coppola, Erika, De Cruz, Lesley, Davin, Edouard L., Dobler, Andreas, Dominguez, Marta, Fealy, Rowan, Fernandez, Jesus, Gaertner, Miguel Angel, Garcia-Diez, Markel, Giorgi, Filippo, Gobiet, Andreas, Goergen, Klaus, Jose Gomez-Navarro, Juan, Gonzalez Aleman, Juan Jesus, Gutierrez, Claudia, Gutierrez, Jose M., Guttler, Ivan, Haensler, Andreas, Halenka, Tomas, Jerez, Sonia, Jimenez-Guerrero, Pedro, Jones, Richard G., Keuler, Klaus, Kjellstrom, Erik, Knist, Sebastian, Kotlarski, Sven, Maraun, Douglas, van Meijgaard, Erik, Mercogliano, Paola, Pedro Montavez, Juan, Navarra, Antonio, Nikulin, Grigory, de Noblet-Ducoudre, Nathalie, Panitz, Hans-Juergen, Pfeifer, Susanne, Piazza, Marie, Pichelli, Emanuela, Pietikaeinen, Joni-Pekka, Prein, Andreas F., Preuschmann, Swantje, Rechid, Diana, Rockel, Burkhardt, Romera, Raquel, Sanchez, Enrique, Sieck, Kevin, Soares, Pedro M. M., Somot, Samuel, Srnec, Lidija, Sorland, Silje Lund, Termonia, Piet, Truhetz, Heimo, Vautard, Robert, Warrach-Sagi, Kirsten, and Wulfmeyer, Volker

Published
2020

27. Precipitation projections of the first multi-model ensemble of regional climate simulations at convection permitting scale

Author

Pichelli, Emanuela, primary, Coppola, Erika, additional, Ban, Nikolina, additional, Giorgi, Filippo, additional, Stocchi, Paolo, additional, Alias, Antoinette, additional, Belušić, Danijel, additional, Berthou, Segolene, additional, Caillaud, Cecile, additional, Cardoso, Rita M., additional, Chan, Steven, additional, Christensen, Ole Bøssing, additional, Dobler, Andreas, additional, de Vries, Hylke, additional, Goergen, Klaus, additional, Kendon, Elizabeth J., additional, Keuler, Klaus, additional, Lenderink, Geert, additional, Lorenz, Torge, additional, Mishra, Aditya N., additional, Panitz, Hans-Juergen, additional, Schär, Christoph, additional, Soares, Pedro MM., additional, Truhetz, Heimo, additional, and Vergara-Temprado, Jesus, additional

Published
2020
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28. The effects of 1.5 and 2 degrees of global warming on Africa in the CORDEX ensemble

Author

Nikulin, Grigory, Lennard, Chris, Dosio, Alessandro, Kjellström, Erik, Chen, Youmin, Haensler, Andreas, Kupiainen, Marco, Laprise, Rene, Mariotti, Laura, Maule, Cathrine Fox, van Meijgaard, Erik, Panitz, Hans-Juergen, Scinocca, John F., Somot, Samuel, Nikulin, Grigory, Lennard, Chris, Dosio, Alessandro, Kjellström, Erik, Chen, Youmin, Haensler, Andreas, Kupiainen, Marco, Laprise, Rene, Mariotti, Laura, Maule, Cathrine Fox, van Meijgaard, Erik, Panitz, Hans-Juergen, Scinocca, John F., and Somot, Samuel

Published
2018
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29. Dynamical downscaling of CMIP5 1 Global Circulation Models over CORDEX-Africa with COSMO-CLM: evaluation over the present climate and analysis of the added value

Author

DOSIO Alessandro, PANITZ Hans-Juergen, SCHUBERT-FRISIUS Martina, and LUETHI Daniel

Abstract

In this work we present the results of the application 8 of the Consor- tium for Small-scale Modeling (COSMO) Regional Climate Model (COSMO-CLM, hereafter, CCLM) over Africa in the context of the Coordinated Regional Climate Downscaling Experiment (CORDEX). An ensemble of climate change projections has been created by downscaling the simulations of four Global ClimateModels (GCM), namely:MPI-ESM-LR, HadGEM2- ES, CNRM-CM5, and EC-Earth. Here we compare the results of CCLM to those of the driving GCMs over the present climate, in order to investigate whether RCMs are effectively able to add value, at regional scale, to the performances of GCMs. It is found that, in general, the geographical distribution of mean sea level pressure, surface temperature and seasonal precipitation is strongly affected by the boundary conditions (i.e. driving GCMs), and seasonal statistics are not always improved by the downscaling. However, CCLM is generally able to better represent the annual cycle of precipitation, in particular over Southern Africa and the West Africa Monsoon (WAM) area. By performing a Singular Spectrum Analysis (SSA) it is found that CCLM is able to reproduce satisfactorily the annual and sub-annual principal components of the precipitation time series over the Guinea Gulf, whereas the GCMs are in general not able to simulate the bimodal distribution due to the passage of the WAM and show a unimodal precipitation annual cycle. Furthermore, it is shown that CCLM is able to better reproduce the Probability Distribution Function (PDF) of precipitation and some impact-relevant indices such as the number of consecutive wet and dry days, and the frequency of heavy rain events., JRC.H.7-Climate Risk Management

Published
2014
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30. A diagnostic evaluation of precipitation 1 in CORDEX models over southern Africa

Author

KALOGNOMOU Evangelia-Anna, LENNARD Christopher, SHONGWE Mxolisi, PINTO Izidine, ALICE Favre, KENT Michael, HEWITSON Bruce, DOSIO Alessandro, NIKULIN Grigory, PANITZ Hans-Juergen, and BUECHNER Matthias

Abstract

We evaluate the ability of ten regional climate models (RCMs) to simulate precipitation over southern Africa within the Cordex framework. An ensemble of ten regional climate simulations and the ensemble average is analysed to evaluate the model's ability to reproduce seasonal and interannual rainfall characteristics over regions of the subcontinent. All the RCMs use a similar domain, have a spatial resolution of ~50km and are driven by the ERA-Interim reanalysis (1989-2008). Results are compared against a number of observational datasets. The spatial and temporal nature of rainfall over the region is captured by all RCMs, however, individual models exhibit wet or dry biases over particular regions of the domain. Models generally produce lower seasonal variability of precipitation compared to observations and the magnitude of the variability varies in space and time. Model biases are related to the positioning of the ITCZ as well as moisture transport. The multi-model ensemble mean generally out-performs individual models, with bias magnitudes similar to differences across the observational data sets. In the northern parts of the domain some of the RCMs and the ensemble average improve the precipitation climate compared to that of the ERA-Interim reanalysis. The models are generally able to capture the dry (wet) precipitation anomaly associated with El Niño (La Niña) events across the region. Based on this analysis, we suggest that the present set of RCMs can be used to provide useful information on climate projections of rainfall over southern Africa., JRC.H.7-Climate Risk Management

Published
2012
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32. Spatial distribution of precipitation annual cycles over South Africa in 10 CORDEX regional climate model present-day simulations

Author

Favre, Alice, primary, Philippon, Nathalie, additional, Pohl, Benjamin, additional, Kalognomou, Evangelia-Anna, additional, Lennard, Christopher, additional, Hewitson, Bruce, additional, Nikulin, Grigori, additional, Dosio, Alessandro, additional, Panitz, Hans-Juergen, additional, and Cerezo-Mota, Ruth, additional

Published
2015
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33. Spatial distribution of precipitation annual cycles over South Africa in 10 CORDEX regional climate model present-day simulations.

Author

Favre, Alice, Philippon, Nathalie, Pohl, Benjamin, Kalognomou, Evangelia-Anna, Lennard, Christopher, Hewitson, Bruce, Nikulin, Grigori, Dosio, Alessandro, Panitz, Hans-Juergen, and Cerezo-Mota, Ruth

Subjects
METEOROLOGICAL precipitation, ATMOSPHERIC models, SPATIAL distribution (Quantum optics), DOWNSCALING (Climatology)
Abstract

This study presents an evaluation of the ability of 10 regional climate models (RCMs) participating in the COordinated Regional climate Downscaling Experiment-Africa to reproduce the present-day spatial distribution of annual cycles of precipitation over the South African region and its borders. As found in previous studies, annual mean precipitation is quasi-systematically overestimated by the RCMs over a large part of southern Africa south of about 20°S and more strongly over South Africa. The spatial analysis of precipitation over the studied region shows that in most models the distribution of biases appears to be linked to orography. Wet biases are quasi-systematic in regions with higher elevation with inversely neutral to dry biases particularly in the coastal fringes. This spatial pattern of biases is particularly obvious during summer and specifically at the beginning of the rainy season (November and December) when the wet biases are found to be the strongest across all models. Applying a k-means algorithm, a classification of annual cycles is performed using observed precipitation data, and is compared with those derived from modeled data. It is found that the in-homogeneity of the spatial and temporal distribution of biases tends to impact the modeled seasonality of precipitation. Generally, the pattern of rainfall seasonality in the ensemble mean of the 10 RCMs tends to be shifted to the southwest. This spatial shift is mainly linked to a strong overestimation of convective precipitation at the beginning of the rainy season over the plateau inducing an early annual peak and to an underestimation of stratiform rainfall in winter and spring over southwestern South Africa. [ABSTRACT FROM AUTHOR]

Published
2016
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34. The COSMO-CLM contribution to CORDEX-CORE Africa.

Author

Van de Walle, Jonas, Brousse, Oscar, Soerland, Silje, Demuzere, Matthias, Wouters, Hendrik, Panitz, Hans-Juergen, Dosio, Alessandro, Bucchignani, Edoardo, Wim Thiery, and van Lipzig, Nicole P. M.

Published
2018

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