Selected refereed publications - ask for reprints!:

(Author names of group members are italicized)

Submitted or Under Revision:

Weiher, S, N. Akhtar, J. Brauch, M. Breil, E. Davin, H. Ho-Hagemann, E. Maisonnave, M. Thürkow and A. Will: The regional climate model COSMO-CLM coupled via OASIS3-MCT with LSM, regional ocean or global atmosphere model: description and performance. Subm to Geoscientific Model Development. Discussion paper.

Obermann, A., B. Edelmann, and B. Ahrens (2016). Influence of Sea Surface Roughness Length Parameterization on Mistral and Tramontane Simulations. Subm. to Advances in Science and Research

Kirchgessner, P., J. Tödter, B. Ahrens, L. Nerger (2016). The smoother extension of the nonlinear ensemble transform filter. Subm. to Tellus. 

Pham, v. T., J. Brauch, B. Früh, B. Ahrens (2016). Simulation of snowbands in the Baltic Sea area with the coupled atmosphere-ocean-ice model COSMO-CLM/NEMO. Subm. to Met.Z.

Akthar, N., J. Brauch, B. Ahrens (2016). Climate Modeling over the Mediterranean Sea: Impact of Resolution and Ocean Coupling. Climate Dynamics. In rev.

Gaertner, M.A. et al. (2016). Impact of ocean-atmosphere coupling and high resolution on the simulation of medicanes over the Mediterranean Sea: multi-model analysis with Med-CORDEX and EURO-CORDEX runs. Climate Dynamics. In rev.

Fantini, A., F. Raffaele, C. Torma, S. Bacer, E. Coppola, F. Giorgi, B. Ahrens, C. Dubois, E. Sanchez (2015). Assessment of multiple daily precipitation statistics in ERA- Interim driven Med-CORDEX and EURO-CORDEX experiments against high resolution observations. Subm. to Climate Dynamics.

Bastin, S.,  O. Bock, A. Parracho, M. Chiriaco, B. Ahrens, D. Conte, M. Dominguez Alonso, L. Li, R. Roehrig, P. Drobinski (2015).  Evaluating multimodel variability of humidity over Europe using long term GPS network and ground base datasets. Subm. to Climate Dynamics.

Mieruch, S. and 9 co-authors (2015). Decadal prediction of the Effective Drought Index (EDI) for the European continent from 1961 to 2010 – sensitivity to simulation setup. Subm. to JAMC.

Paeth, H. and 13 co-authors (2015). Decadal and multi-year predictability of the West African monsoon and the role of dynamical downscaling. In rev. J. of Climate.

Tang, H., J.T. Eronen, A. Kaakinen, T. Utescher, B. Ahrens, and M. Fortelius (2016). Low Aisan orography causes strong winter monsoon wind in the Late Miocene. Subm. to Royal Society Open Science.

2016:

Drobinski, P., N. Da Silva, G.  Panthou, S. Bastin, C. Muller, B. Ahrens, M. Borga, D. Conte, G. Fosser, F. Giorgi, I. Güttler, V. Kotroni, L. Li, E.  Morin, B.  Önol, P. Quintana-Segui, R. Romera, C. Zsolt Torma (2016). Scaling precipitation extremes with temperature in the Mediterranean: past climate assessment and projection in anthropogenic scenarios. Clim. Dynamics. Early online. doi:10.1007/s00382-016-3083-x (OA)

Schulz, J.-P., G. Vogel, C. Becker, B. Ahrens (2016). On the ground heat flux simulated by the land surface scheme TERRA of the COSMO atmospheric model. Met.Z. Accepted.

Obermann, A., S. Bastin, S. Belamari, D. Conte, M. A. Gaertner, L. Li, B. Ahrens (2016). Mistral and Tramontane wind speed and wind direction patterns in regional climate simulations. Climate Dynamics. doi:10.1007/s00382-016-3053-3 (OA)

Brisson, E., K. Van Weverberg, M. Demuzere, A. Devis, S. Saeed, M. Stengel, N. P. M. van Lipzig (2016). How well can a convection-permitting climate model reproduce decadal statistics of precipitation, temperature and cloud characteristics? Clim. Dynamics. doi:10.1007/s00382-016-3012-z

Paxian, A., D. Sein , H.-J. Panitz, M. Warscher, M. Breil , T. Engel , J. Tödter , A. Krause , W. CabosNarvaez , A. Fink , B. Ahrens , H. Kunstmann , D. Jacob , H. Paeth  (2016). Bias reduction in decadal predictions of West African monsoon rainfall using regional climate models. JGR-Atmospheres. Accepted. 

Kothe, S., J. Tödter, B. Ahrens (2016). Strategies for soil initialisation in regional decadal climate predictions. Meteorol. Zeitschrift. Accepted.

Junghänel, T. C. Brendel, T. Winterrath, A. Walter (2016), Towards a radar- and observation-based hail climatology for Germany. Meteorol. Zeitschrift. DOI 10.1127/metz/2014/0123 (OA)

Ruti P.M., Somot S., Giorgi F., Dubois C., Flaounas E., Obermann A., Dell’Aquila A., Pisacane G., Harzallah A., Lombardi E., Ahrens B., Akhtar N., Alias A., Arsouze T., Aznar R., Bastin S., Bartholy J., Béranger K., Beuvier J., Bouffies-Cloché S., Brauch J., Cabos W., Calmanti S., Calvet J-C., Carillo A., Conte D., Coppola E., Djurdjevic V., Drobinski P., Elizalde-Arellano A., Gaertner M., Galàn P., Gallardo C., Gualdi S., Goncalves M., Jorba O., Jordà G., L'Heveder B., Lebeaupin-Brossier C., Li L., Liguori G., Lionello P., Maciàs-Moy D., Nabat P., Onol B., Rajkovic B., Ramage K., Sevault F., Sannino G., Struglia MV., Sanna A., Torma C., Vervatis V. (2016). MED-CORDEX initiative for Mediterranean Climate studies. Bull. of the American Meteorological Society. doi: http://dx.doi.org/10.1175/BAMS-D-14-00176.1 (OA)

Brisson, E., M. Demuzere, N.P.M. v. Lipzig: Modelling strategies for performing convection-permitting climate simulations. Meteorol. Zeitschrift, doi: 10.1127/metz/2015/0598. Early Online. (OA)

Tödter, J., P. Kirchgessner, L. Nerger, B. Ahrens (2016). Assessment of a nonlinear ensemble transform filter for high-dimensional data assimilation. Monthly Weather Review, 144, 409-427. doi: 10.1175/MWR-D-15-0073.1 

Pfeifroth, U., J. Trentmann, A. Fink, B. Ahrens (2016). Evaluating satellite-based diurnal cycles of precipitation in the African tropics. J. Appl. Meteorolgy and Climatology, 55, 23–39. doi: http://dx.doi.org/10.1175/JAMC-D-15-0065.1

2015:

Lauwaeta, D., K. De Ridder, S. Saeed, E. Brisson, F. Chatterjee, N.P.M. van Lipzig, B. Maiheu, H. Hooyberghs (2015). Assessing the current and future urban heat island of Brussels. Urban Climate, 15, 1-15. doi:10.1016/j.uclim.2015.11.008

Molina, A., V. Vanacker, E. Brisson, D. Mora, and V. Balthazar (2015). Multidecadal change in streamflow associated with anthropogenic disturbances in the tropical Andes, Hydrol. Earth Syst. Sci., 19, 4201-4213, doi:10.5194/hess-19-4201-2015. (OA)

Warwade, P., N. Sharma, B. Ahrens, A. Pandey (2015). Characterization and analysis of the trend of climate variables (temperatures) for the North Eastern region of the India. Int. Journal of Recent Scientific Research 6(4), 3618–3624. ISSN: 0976-3031

Dhimal, M., U. Kuch, B. Ahrens (2015). Climate change and spatiotemporal distributions of vector-borne diseases in Nepal - a systematic review. PLOS One., 10(6): e0129869. doi:10.1371/journal.pone.0129869 (OA)

Prein, A.F., W. Langhans, G. Fosser, A. Ferrone, N. Ban, K. Goergen, M. Keller, M. Tölle, O. Gutjahr, F. Feser, E. Brisson, S. Kollet, J. Schmidli, N. P. M. van Lipzig, R. Leung (2015). A review on regional convection-permitting climate modeling: demonstrations, prospects, and challenges. Rev. of Geophysics., doi: 10.1002/2014RG000475

Asharaf, S., B. Ahrens (2015). Indian Summer Monsoon Rainfall Feedback Processes in Climate Change Scenarios. Journal of Climate, 28(13), 5414-5429. doi: 10.1175/JCLI-D-14-00233.1

Dhimal, M., I. Gautam, H.D. Joshi, R. O’Hara, B. Ahrens, U. Kuch (2015). Risk Factors for the Presence of Chikungunya and Dengue Vectors (Aedes aegypti and Aedes albopictus), their Altitudinal Distribution and Climatic Determinants of their Abundance in Central Nepal. PLOS Neglected Tropical Diseases 9(3). doi: 10.1371/journal.pntd.0003545 (OA) 

Tödter, J., B. Ahrens (2015). A Second-order Exact Ensemble Square Root Filter for Nonlinear Data Assimilation. Mon. Wea. Rev., 143(4), 1347-1367. doi:10.1175/MWR-D-14-00108.1 

Brisson, E., M. Demuzere, P. Willems, N. P. M. v. Lipzig (2015). Assessment of natural climate variability using a weather generator. Clim. Dyn., 44(1-2), 495-508. doi:10.1007/s00382-014-2122-8 (OA)

2014:

Mieruch, S., H. Feldmann, G. Schädler, C.-J. Lenz, S. Kothe, C. Kottmeier (2014). The regional MiKlip decadal forecast ensemble for Europe: the added value of downscaling. Geosci. Model Dev., 7, 2983-2999. http://www.geosci-model-dev.net/7/2983/2014/

Weverberg, K. van , E. Goudenhoofdt, U. Blahak, E. Brisson, M. Demuzere, P. Marbaix, Ypersele, J.-P. van (2014). Comparison of one-moment and two-moment bulk microphysics for high-resolution climate simulations of intense precipitation. Atm. Research, 147–148, 145–161. doi:10.1016/j.atmosres.2014.05.012

Dhimal, M., R. O’Hara, R. Karki, G.D. Thakur, U. Kuch, B. Ahrens (2014). Spatio-temporal distribution of malaria and its association with climatic factors and vector-control interventions in two high-risk districts of Nepal. Malaria Journal, 13:457. doi:10.1186/1475-2875-13-457 (OA)

Ahrens, B., H. Formayer, A. Gobiet, G. Heinrich, M. Hofstätter, C. Matulla, A. F. Prein, H. Truhetz, I. Anders, K. Haslinger, I. Nadeem, M. Suklitsch, M. Themessl (2014). Future Climate Developments. pp. 45. doi: 10.1553/aar14s301. In Österreichischer Sachstandsbericht Klimawandel 2014 (AAR14). Austrian Panel on Climate Change (APCC), Verlag der Österreichischen Akademie der Wissenschaften, Wien, Österreich. ISBN-13: 978-3-7001-7699-2 (OA)

Wacker, U., J. Fiebig, J. Tödter, B. R. Schöne, A. Bahr, O. Friedrich, T. Tütken, E. Gischler, and M. M. Joachimski (2014). Empirical calibration of the clumped isotope paleothermometer using calcites of various origins. Geochimica et Cosmochimica Acta, 141, 127–144.  doi:10.1016/j.gca.2014.06.004

Dhimal, M., B. Ahrens, U. Kuch (2014). Species composition, seasonal occurrence, habitat preference and altitudinal distribution of malaria and other disease vectors in eastern Nepal. Parasites & Vectors, 7:540.  doi:10.1186/s13071-014-0540-4 (OA)

Akhtar, N., J. Brauch, A. Dobler, K. Berenger, B. Ahrens (2014). Medicanes in an ocean-atmosphere coupled regional climate model. Nat. Hazards Earth Syst. Sci., 14, 2189–2201. doi:10.5194/nhess-14-2189-2014 (OA)

Dhimal, M., B. Ahrens, U. Kuch (2014). Malaria control in Nepal 1963-2012: challenges on the path towards elimination. Malaria Journal, 13:241  doi:10.1186/1475-2875-13-241 (OA)

Kothe, S., H.-J. Panitz, B. Ahrens (2014). Analysis of the radiation budget in regional climate simulations with COSMO-CLM for Africa. Met.Z., 23(2),123-141. DOI: 10.1127/0941-2948/2014/0527 (OA)

Van Pham, T., J. Brauch, Ch. Dieterich, B. Frueh, B. Ahrens (2014). New coupled atmosphere-ocean-ice system COSMO-CLM/NEMO: On the air temperature sensitivity on the North and Baltic Seas. Oceanologia, 56(2), 167-189. DOI:10.5697/oc.56-2.167

Liakka, J., F. Colleoni, B. Ahrens, T. Hickler (2014). Impact of vegetation dynamics on the onset of the Antarctic ice sheet. Geophy. Res. Letters, 41, 4, 1269–1276. DOI: 10.1002/2013GL058994. 

Kothe, S., D. Luethi, B. Ahrens (2014). Analysis of the West African Monsoon system in the regional climate model COSMO-CLM. Int. J. of Climatology, 34(2), 481–493. DOI: 10.1002/joc.3702. 

Brinckmann, S., J. Trentmann, B. Ahrens (2014). Homogeneity Analysis of the CM SAF Surface Solar Irradiance Data Set derived from Geostationary Satellite Observations. Remote Sensing, 6(1), 352-378. doi:10.3390/rs6010352 (OA)

2013:

Kumar, P., A. Wiltshire, C. Mathison,  S. Asharaf, B. Ahrens, P. Lucas-Picher, J.H. Christensen, A. Gobiet, F. Saeed, S. Hagemann, D. Jacob (2013). Down scaled climate change projections with uncertainty assessment over India using high resolution multi model approach. Science of the Total Environment, 468, 18-30. http://dx.doi.org/10.1016/j.scitotenv.2013.01.051

Tang, H., A. Micheels, J. Eronen, B. Ahrens (2013). Strong interannual variation of the Asian summer monsoon in the Late Miocene. Climate Dynamics, 41: 135-153. DOI: 10.1007/s00382-012-1655-y

Krähenmann, S., S. Kothe, H.-J. Panitz, B. Ahrens (2013). Evaluation of daily maximum and minimum 2-m temperatures as simulated with the regional climate model COSMO-CLM over Africa. Met.Z., 22, 297-316. doi: 10.1127/0941-2948/2013/0468 (OA)

Krähenmann, S., A. Obregon, R. Müller, J. Trentmann, B. Ahrens (2013). A satellite-based surface radiation climatology derived by combining Climate Data Records and Near-Real-Time data. Remote Sensing, 5, 4693-4718. DOI: 10.3390/rs5094693 (OA)

Kothe, S., E. Good, A. Obregon, B. Ahrens, H. Nitsche (2013). Satellite-based sunshine duration for Europe. Remote Sensing, 5, 2943-2972. DOI: 10.3390/rs5062943 (OA)

Asharaf, S., B. Ahrens (2013). Soil-moisture memory in the regional climate model COSMO-CLM during the Indian summer monsoon season. J. Geophys. Res.: Atmos., 118(12), 6144-6151. DOI: 10.1002/jgrd.50429 

Krähenmann, S., B. Ahrens (2013). Spatial Gridding of Daily Maximum and Minimum 2-m Temperatures Supported by Satellite Observations. Meteorology and Atmospheric Physics, 120: 87-105. http://link.springer.com/article/10.1007/s00703-013-0237-9 

Tang,H., A.Micheels, J.Eronen, B.Ahrens, M.Fortelius (2013). Asynchronous responses of East Asian and Indian summer monsoons to mountain uplift shown by regional climate modelling experiments. Climate Dynamics, 40(5-6), 1531-1549. doi: 10.1007/s00382-012-1603-x (OA)

Pfeifroth, U., R. Müller, B. Ahrens (2013). Evaluation of Satellite-based and Reanalysis Precipitation in the Tropical Pacific. J. of Applied Met. and Clim, 52(3), 634-644. doi: http://dx.doi.org/10.1175/JAMC-D-12-049.1

2012:

Pfeifroth, U., R. Hollmann, B. Ahrens (2012). Cloud Diurnal Cycles in Satellite Data and Regional Climate Model Simulations. Met.Z., 21(6), 551-560. doi: http://dx.doi.org/10.1127/0941-2948/2012/0423 (OA)

Asharaf, S., A. Dobler, B. Ahrens (2012). Soil moisture--precipitation feedback processes in the Indian summer monsoon season. J of Hydrometeorology, 13, 1461–1474. doi: http://dx.doi.org/10.1175/JHM-D-12-06.1

Tödter, J., B. Ahrens (2012). Generalization of the Ignorance Score: Continuous Ranked Version and its Decomposition. Mon. Wea. Rev., 140(6), 2005-15. http://dx.doi.org/10.1175/MWR-D-11-00266.1

2011:

Dobler, A., B. Ahrens (2011). Four climate change scenarios for the Indian summer monsoon by the regional climate model COSMO-CLM. Journal of Geophysical Research - Atmospheres, 116, D24104, 13pp.  doi:10.1029/2011JD016329

Dobler, A., R. Müller, B. Ahrens (2011). Development and evaluation of a method for estimating evapotranspiration from satellite data. Meterorol. Zeitschrift, 20(6), 615-623. http://dx.doi.org/10.1127/0941-2948/2011/0256

Krähenmann, S., P. Bissolli, J. Rapp, and B. Ahrens (2011). Spatial gridding of daily maximum and minimum temperatures in Europe. Meteorology and Atmospheric Physics, 114, 151-161. doi:10.1007/s00703- 011-0160-x (OA)

Kalinka, F., B. Ahrens (2011). The mixed form of the Richards equation and its application in vertically inhomogeneous soils. Adv. in Sci. and Res. 6, 123-127. doi:10.5194/asr-6-123-2011

Asharaf, S., A. Dobler, B. Ahrens (2011). Soil moisture initialization effects in the Indian monsoon system. Adv. Sci. Res., 6, 161-165, 2011. doi:10.5194/asr-6-161-2011

Lucas-Picher, P., J.H. Christensen, F. Saeed, P. Kumar, S. Asharaf, B. Ahrens, A. Wiltshire, D. Jacob, and S. Hagemann. (2011). Can regional climate models represent the Indian Monsoon? J. of Hydrometeorology, 12, 849-868. doi:10.1175/2011JHM1327.1

Kothe, S., Dobler, A., Beck, A., B. Ahrens (2011). The radiation budget in a regional climate model. Climate Dynamics, 36:1023-1036, DOI: 10.1007/s00382-009-0733-2

2010:

Kothe, S., B. Ahrens (2010). On the radiation budget in regional climate simulations for West Africa, J. Geophys. Res., 115, D23120. doi:10.1029/2010JD014331

Krähenmann, S., B. Ahrens (2010). On daily interpolation of precipitation backed with secondary information. Advances in Science and Research. 4, 29–35, 2010. www.adv-sci-res.net/4/29/2010/

Dobler, A., B. Ahrens (2010). Analysis of the Indian summer monsoon system in the regional climate model COSMO-CLM. JGR–Atmospheres. 115, D16101. doi:10.1029/2009JD013497

2009:

Jaun, S., B. Ahrens (2009). Evaluation of a probabilistic hydrometeorological forecast system. Hydrol. Earth Syst. Sci., 13, 1031–1043, www.hydrol-earth-syst-sci.net/13/1031/2009/

Casanova, S., B. Ahrens (2009). On the weighting of multi-model ensembles in seasonal and short-range weather forecasting. Mon. Wea. Rev., 137, 3811-3822, DOI: 10.1175/2009MWR2893.1

Ahrens, B. (2009). On evaluation of precipitation fields with rain station data. Interfacing Geostatistics and GIS, ed. J. Pilz, Springer, ISBN-10: 3-540-33235-9, pp. 121–136

2008:

Ahrens, B. and Walser, A. (2008). Information based skill scores for probabilistic forecasts. Mon. Wea. Rev., 136, 352-363. DOI: http://dx.doi.org/10.1175/2007MWR1931.1

Ahrens, B. and Beck. A. (2008). On upscaling of rain-gauge data for evaluating numerical weather forecasts. Meteorology and Atmospheric Physics, 99, 155-167

Jaun, S., B. Ahrens, A. Walser, T. Ewen, and C. Schär (2008). A probabilistic view on the August 2005 floods in the upper Rhine catchment. Nat. Hazards Earth Syst. Sci., 281-291

Dobler, A., B. Ahrens (2008). Precipitation by a regional climate model and bias correction in Europe and South-Asia. Meteorol. Zeitschrift, 17(4), 499-509

2007:

Ahrens, B. and Jaun, S. (2007). On evaluation of ensemble precipitation forecasts with observation-based ensembles. Adv. in Geosciences, 10, 139-144

Schädler, B., B. Ahrens, R. Feierabend, C. Frei, R. Hohmann, T. Jankowski , R. Kozel, D. M. Livingstone, A. Peter, A. Petrascheck, M. Pfaundler, A. Schild (2007). Wasserwirtschaft. In Klimaänderung und die Schweiz 2050, ISBN-Nummer: 978-3-907630-26-6, OcCC/ProClim, Bern, 55–66

2006:

Ahrens, B. (2006). Distance in spatial interpolation of daily rain gauge data. Hydrol. Earth Sys. Sci., 10, 197–208, www.hydrol-earth-syst-sci.net/10/197/2006/

2005:

Dorninger, M., T. Gorgas, A. Beck, B. Ahrens, W. Loibl, R. Steinacker (2005). Evaluation of retrospective regional climate model runs with VERA within the project RECLIP:MORE. Croatian Meteorological Journal/Hrvatski Meteoroloski Casopis, 40:585–588.

2004:

Beck, A., Ahrens, B., and Stadlbacher, K. (2004). Impact of nesting strategies in dynamical downscaling of reanalysis data. Geophysical Research Letters, 31, pp. 5. doi:10.1029/2004GL020115

Beck, A. and Ahrens, B. (2004). Multiresolution Evaluation of Precipitation Forecasts over the European Alps. Meteorol. Zeitschrift, 13(1):55–62.

2003:

Ahrens, B. (2003). Evaluation of precipitation forecasting with the limited area model ALADIN in an Alpine watershed. Meteorol. Zeitschrift, 12(5):245–255.

Ahrens, B., Jasper, K., and Gurtz, J. (2003). On ALADIN Precipitation Modeling and Validation in an Alpine Watershed. Annales Geophysicae, 21:627–637.

Ahrens, B. (2003). Rainfall downscaling in an Alpine watershed applying a multiresolution approach. JGR-Atmospheres, 108(D8):8388–8399.

2001:

Haimberger, L., Ahrens, B., Hamelbeck, F., and Hantel, M. (2001). Impact of time sampling on atmospheric energy budget residuals. Meteorology and Atmospheric Physics, 77:167–184.

1999:

Ahrens, B. (1999). Variational data assimilation for a Lorenz model using a non–standard genetic algorithm. Meteorology and Atmospheric Physics, 70:227–238.

1998:

Ahrens, B., Karstens, U., Rockel, B., and Stuhlmann, R. (1998). On the validation of the atmospheric model REMO with ISCCP data and precipitation measurements using simple statistics. Meteorology and Atmospheric Physics, 68:127–142.

1992:

Ahrens, B., Stix, M., and Thorn, M. (1992). On the depletion of lithium in the Sun. Astron. Astrophys, 264:673–678.http://www.geosci-model-dev.net/7/2983/2014/gmd-7-2983-2014.html