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Browsing by Author "Centre for Atmospheric and Climate Physics Research"
Now showing items 261-280 of 432
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Odour-impact assessment around a landfill site from weather-type classification, complaint inventory and numerical simulation
Chemel, C.; Riesenmey, C.; Batton-Hubert, M.; Vaillant, H. (2012-01)Gases released from landfill sites into the atmosphere have the potential to cause olfactory nuisances within the surrounding communities. Landfill sites are often located over complex topography for convenience mainly ... -
On the dynamical downscaling and bias correction of seasonal-scale winter precipitation predictions over North India
Tiwari, Pushp Raj (2016-09-04)This study presents the results of high-resolution (30 km) climate simulations over North India using an optimized configuration of the Regional Climate Model (RegCM), driven by a global spectral model (T80 model with ... -
On the heat waves over India and their future projections under different SSP scenarios from CMIP6 models : Climate Change, Heat Wave, Health
Norgate, Marc; Tiwari, P. R.; Das, S.; Kumar, D. (2024-03-15)Thirteen Coupled Model Intercomparison Project phase 6 (CMIP6) models were employed to simulate mean, maximum, and minimum temperature across 7 homogenous temperature regions of India for both annual and summer season ... -
On the spectral depolarisation and lidar ratio of mineral dust provided in the AERONET version 3 inversion product
Shin, Sung-Kyun; Tesche, Matthias; Kim, Kwanchul; Kezoudi, Maria; Tatarov, Boyan; Mueller, Detlef; Noh, Youngmin (2018-09-04)Knowledge of the particle lidar ratio (Sγ) and the particle linear depolarisation ratio (δγ) for different aerosol types allows for aerosol typing and aerosol-Type separation in lidar measurements. Reference values generally ... -
One-year observations of particle lidar ratio over the tropical Indian Ocean with Raman lidar
Franke, K.; Ansmann, A.; Mueller, D.; Althausen, D.; Wagner, F.; Scheele, R. (2001-12-15)Observations of the extinction-to-backscatter ratio (lidar ratio) of South and Southeast Asian aerosol particles are presented for the wavelength of 532 nm. Raman lidar measurements were performed in the Maldives (4.1 ... -
Online Coupled Regional Meteorology Chemistry Models in Europe : Current Status and Prospects
Baklanov, Alexander; Schluenzen, Heinke; Suppan, Peter; Baldasano, Jose; Brunner, Dominik; Aksoyoglu, Sebnem; Carmichael, Greg; Douros, John; Flemming , Johannes; Forkel, Renate; Galmarini, Stefano; Gauss, Michael; Grell, Georg; Hirtl , Marcus; Joffre, Sylvain; Jorba, Oriol; Kaas, Eigil; Kaasik, Marko; Kallos, George; Kong, Xin; Korsholm, Ulrik; Kurganskiy, A.; Kushta, J.; Lohmann, U.; Mahura, A.; Manders-Groot, A.; Maurizi, A.; Moussiopoulos, N.; Rao, S.T.; Savage, N.; Seigneur, C.; Sokhi, Ranjeet; Solazzo, E.; Solomos, S.; Sorensen, B.; Tsegas, G.; Vignati, E.; Vogel, B.; Zhang, Y. (2014)Online coupled mesoscale meteorology atmospheric chemistry models have undergone a rapid evolution in recent years. Although mainly developed by the air quality modelling community, these models are also of interest for ... -
Operational model evaluation for particulate matter in Europe and North America in the context of AQMEII
Solazzo, Efisio; Bianconi, Roberto; Pirovano, Guido; Matthias, Volker; Vautard, Robert; Moran, Michael D.; Appel, K. Wyat; Bessagnet, Bertrand; Brandt, Jorgen; Christensen, Jesper H.; Chemel, C.; Coll, Isabelle; Ferreira, Joana; Forkel, Renate; Vazhappilly Francis, Xavier; Grell, Georg; Grossi, Paola; Hansen, Ayoe B.; Miranda, Ana Isabel; Nopmongcol, Uarporn; Prank, Marje; Sartelet, Karine N.; Schaap, Martijn; Silver, Jeremy D.; Sokhi, Ranjeet S.; Vira, Julius; Werhahn, Johannes; Wolke, Ralf; Yarwood, Greg; Zhang, Junhua; Rao, S. Trivikrama; Galmarini, Stefano (2012-06)Ten state-of-the-science regional air quality (AQ) modeling systems have been applied to continental-scale domains in North America and Europe for full-year simulations of 2006 in the context of Air Quality Model Evaluation ... -
Operational, regional-scale, chemical weather forecasting models in Europe
Kukkonen, J.; Balk, T.; Schultz, D.; Baklanov, A.; Klein, T.; Miranda, A.I.; Monteiro, A.; Hirtl, M.; Tarvainen, V.; Boy, M.; Peuch, V.H.; Poupkou, A.; Kioutsioukis, I.; Finardi, S.; Sofiev, M.; Sokhi, R.S.; Lehtinen, K.; Karatzas, K.; San Jose, R.; Astitha, M.; Kallos, G.; Schaap, M.; Reimer, E.; Jakobs, H.; Eben, K. (2011)Numerical models that combine weather forecasting and atmospheric chemistry are here referred to as chemical weather forecasting models. Eighteen operational chemical weather forecasting models on regional and continental ... -
Optic-fiber scramblers and a fourier transform lens as a means to tackle the problem on the overlap factor of lidar
Arshinov, Y.; Bobrovnikov, S.; Serikov, J.; Althausen, D.; Ansmann, Albert; Mattis, I.; Mueller, D.; Wandinger, U. (ESA PUBLICATIONS DIVISION C/O ESTEC, 2004)We present an instrumental approach to formation of the light beam in the image space of lidar optical receiver, behind its field stop, aimed at removing some adverse range dependent effects of the lidar overlap factor on ... -
Optical and lasing properties of fluorophosphate glass
Stokowski, S.E.; Martin, William Eugene; Yarema, S.M. (1980-07)Neodymium-doped fluorophosphate glass is a laser material newly-developed for use in high power laser fusion systems. The low refractive index (n ∼ 1.45) and low dispersion (Abbe number ∼90) of fluorophosphate glasses give ... -
Optical and microphysical characterization of aerosol layers over South Africa by means of multi-wavelength depolarization and Raman lidar measurements
Giannakaki, Eleni; von Zyl, P. G.; Mueller, Detlef; Balis, D.; Komppula, M. (2016-07-05)Optical and microphysical properties of different aerosol types over South Africa measured with a multi-wavelength polarization Raman lidar are presented. This study could assist in bridging existing gaps relating to aerosol ... -
Optical and microphysical characterization of biomass-burning and industrial-pollution aerosols from multiwavelength lidar and aircraft measurements
Wandinger, U.; Mueller, D.; Boeckmann, C.; Althausen, D.; Matthias, M.; Bosenberg, J.; Weiss, A.; Fiebig, M.; Wendisch, M.; Stohl, A.; Ansmann, A. (2002-11-16)[1] During the Lindenberg Aerosol Characterization Experiment (LACE 98) simultaneous measurements with ground-based and airborne lidars and with two aircraft equipped with aerosol in situ instrumentation were performed. ... -
Optical and microphysical properties of fresh biomass burning aerosol retrieved by Raman lidar, and star-and sun-photometry
Alados-Arboledas, L.; Mueller, D.; Guerrero-Rascado, J. L.; Navas-Guzman, F.; Perez-Ramirez, D.; Olmo, F. J. (2011-01-14)A fresh biomass-burning pollution plume was monitored and characterized in terms of optical and microphysical properties for the first time with a combination of Raman lidar and star- and sun-photometers. Such an instrument ... -
Optical and microphysical properties of severe haze and smoke aerosol measured by integrated remote sensing techniques in Gwangju, Korea
Noh, Young M.; Mueller, D.; Shin, Dong H.; Lee, Hanlim; Jung, Jin S.; Lee, Kwon H.; Cribb, Maureen; Li, Zhanqing; Kim, Young J. (2009-02)Aerosol optical and microphysical parameters from severe haze events observed in October 2005 at Gwangju, Korea (35.10 N, 126.53 E) were determined from the ground using a multi-wavelength Raman lidar, a sunphotometer, and ... -
Optical and microphysical properties of smoke over Cape Verde inferred from multiwavelength lidar measurements
Tesche, Matthias; Mueller, D.; Gross, Silke; Ansmann, Albert; Althausen, Dietrich; Freudenthaler, Volker; Weinzierl, Bernadett; Veira, Andreas; Petzold, Andreas (2011-09)Lidar measurements of mixed dust/smoke plumes over the tropical Atlantic ocean were carried out during the winter campaign of SAMUM-2 at Cape Verde. Profiles of backscatter and extinction coefficients, lidar ratios, and ... -
Optical and physical characterization of European and Indo-Asian pollution plumes with six-wavelength aerosol lidar
Mueller, D.; Ansmann, Albert; Franke, K.; Althausen, D.; Wandinger, U. (Institute of Electrical and Electronics Engineers (IEEE), 2001)Optical and physical particle properties of two typical pollution plumes emitted from the European continent during the Aerosol Characterization Experiment ACE 2, and from the Indo-Asian continent during INDOEX are ... -
Optical lenses for atomic beams
Steuernagel, O. (2009)Superpositions of paraxial laser beam modes to generate atom-optical lenses based on the optical dipole force are investigated theoretically. Thin, wide, parabolic, cylindrical, and circular atom lenses with numerical ... -
Optical properties of aerosol mixtures derived from sun-sky radiometry during SAMUM-2
Toledano, C.; Wiegner, M.; Gross, S.; Freudenthaler, V.; Gasteiger, J.; Mueller, D.; Mueller, T.; Schladitz, A.; Weinzierl, B.; Torres, B.; O'Neill, N. T. (2011-09)The SAMUM-2 experiment took place in the Cape Verde islands in January-February 2008. The colocated ground-based and airborne instruments allow the study of desert dust optical and microphysical properties in a closure ... -
Optical properties of the Indo-Asian haze layer over the tropical Indian Ocean
Franke, K.; Ansmann, A.; Mueller, D.; Althausen, D.; Venkataraman, C.; Reddy, M.S.; Wagner, F.; Scheele, R. (2003-01)[1] Multiwavelength backscatter and extinction profiling was performed with a unique aerosol Raman lidar at Hulhule (4degreesN, 73degreesE), Maldives, as part of the Indian Ocean Experiment (INDOEX) between February 1999 ... -
Optical rise-time measurements on KD*P transmission-line Pockels cells
Johnson, B.C.; Guinn, K.R.; Martin, William Eugene; Fountain, Wm.D. (1978)A technique has been developed for determining the optical-transmission rise times of subnanosecond switching KD*P electro-optic modulators. Optical streak-camera data with 15-psec overall resolution and 30-psec resolution ...