Now showing items 301-320 of 432

    • Proceedings of Abstracts 10th International Conference on Air Quality Science and Application 

      Sokhi, Ranjeet; Singh, Vikas; Medeiros, Joana; Farrow, Aidan; Finardi, S.; Radice, Paola; Atmospheric Dynamics & Air Quality; Centre for Atmospheric and Climate Physics Research; School of Physics, Astronomy and Mathematics (University of Hertfordshire, 2016-03-14)
      This 10th International Conference in Air Quality - Science and Application is being held in the elegant and vibrant city of Milan, Italy. Our local hosts are ARIANET and ARPA Lombardia both of whom play a leading role in ...
    • Proceedings of Abstracts 11th International Conference on Air Quality Science and Application 

      Sokhi, Ranjeet; Tiwari, P. R.; Gállego, María José; Craviotto Arnau, Joan Marc; Castells Guiu, Cristina; Singh, Vikas; Atmospheric Dynamics & Air Quality; Centre for Atmospheric and Climate Physics Research; School of Physics, Astronomy and Mathematics (University of Hertfordshire, 2018-03-12)
      The 11th International Conference on Air Quality - Science and Application is being held in the cosmopolitan city of Barcelona, Spain. Our local hosts are MANNERS and Ajuntament De Barcelona. The meeting is a continuation ...
    • Proceedings of Abstracts 12th International Conference on Air Quality Science and Application 

      Moussiopoulos, Nicolas; Sokhi, Ranjeet; Tsegas, George; Fragkou, Evangelia; Chourdakis, Eleftherios; Pipilis, Ioannis; Atmospheric Dynamics & Air Quality; Centre for Atmospheric and Climate Physics Research; School of Physics, Astronomy and Mathematics (University of Hertfordshire, 2020-03-09)
    • Proceedings of Abstracts 13th International Conference on Air Quality: Science and Application 

      Sokhi, Ranjeet (University of Hertfordshire, 2022-07-01)
      The presentations at the Conference address the diversity of scales, processes and interactions affecting air pollution and its impact on health and the environment. As usual, the conference is stimulating cross-fertilisation ...
    • Proceedings of Abstracts, School of Physics, Engineering and Computer Science Research Conference 2022 

      Amafabia, Daerefa-a; Asimea, Laurel; Bally, John; Baran, Anthony; Boies, Adam; Borjali, Amirhossein; Bosomworth, Chloe; Burningham, Ben; Chaliasou, Napoleana-Anna; CHEN, Yong Kang; Cheong, Yuen Ki; Chizari, Mahmoud; Chung, Etelka; Coppin, Kristen; David-West, Opukuro; Dennler, Nik; Dhakal, Hom; Dimov, Nikolay; Dmitruk, Emil; Donald, Allen; Drix, Damien; Dzib, Sergio A.; Eltaweel, Mahmoud; Fadlelseed, Sajid; Farahani, Atena; Felix, Adrian; Foat, Tim; Forbrich, Jan; Franco, Maximilien; Gaarn, Joesphine; Garratt, Tracy; Geach, Jim; Ghias, Narges; Ghita, Adrian; Giannetti, Niccolo; Vargas-Gonzalez, Jaime; Greenaway, Richard; Haritos, George; Hatami, Sara; Haydock, David; Helian, Na; Herfatmanesh, Mohammad Reza; Herve, Jean-Baptiste; Hesse, Evelyn; Korani, Hossein; Hosseini, Vahid; Hu, Wei; Hubbard, Thomas; Inal, Jameel; Irigo, Patrick; Ismail, Sikiru O.; Jepleting, Fiona; Ji, Wei; Johnston, Ian; Jombo, Gbanaibolou; Kadir, Shabnam; Kalyvas, Christos; Kamran, Syed Muhammad; Kanellopoulos, Antonios; Kiflay, Aklil Zenebe; Kirner, Raimund; Knox, Kerry; Kobayashi, Chiaki; Kumar, Dhirendra; Kumar, Ritesh; Lane, Peter; Lekkala, Himayasri; Lewis, Andrew; Li, Liang; Luo, Qi; Madani, Hossein; Mallet, Colin; Maruthupandian, Surya; Mathen, Elizabeth Reeja; Matousek, Pavel; McCool, Simon; McGarry, James C.; Menon, Catherine; Metzner, Christoph; Miles, Rachael E. H.; Moeinnia, Hadi; Moggridge, Paul; Mohseni, Mahdi; Montalvão, Diogo; Moraby, Mohammad Najeeb; Murnane, Darragh; Norgate, Marc; Nourani, Amir; Prasad, Kumar Shantanu; Ramalingam, Soodamani; Rastogi, Shavika; Reid, Jonathan P.; Ren, Guogang; Rivilla, Victor M.; Saidpour, Hossein; Saito, Kiyoshi; Sajedi, Seyed Amir Hossein; Salge, Christoph; Samararatne, Samadhi; Schmuker, Michael; Sensoy, Elif; Shriram, Ajay; Singh, Harpreet; Sorouraddin, Yasser; Steuber, Volker; Stone, Nicholas; Sun, Yi; Sureddi, Roopesh; Sutton, Samuel; Thomas, Peter; Timms, Andrew R; Tiwari, P. R.; Tsokanos, Athanasios; Vadalia, Mansukhlal; Yaqoob, Muhammad; Yulianto, Muhamad; Zheng, Minghua (University of Hertfordshire, 2022-11-04)
      The present proceedings record the abstracts submitted and accepted for presentation at SPECS 2022, the second edition of the School of Physics, Engineering and Computer Science Research Conference that took place online, ...
    • Profiling of Saharan dust and biomass-burning smoke with multiwavelength polarization Raman lidar at Cape Verde 

      Tesche, Matthias; Gross, Silke; Ansmann, Albert; Mueller, D.; Althausen, Dietrich; Freudenthaler, Volker; Esselborn, Michael (2011-09)
      Extensive lidar measurements of Saharan dust and biomass-burning smoke were performed with one airborne and three ground-based instruments in the framework of the second part of the SAharan Mineral dUst experiMent (SAMUM-2a) ...
    • Projected changes in heatwaves and its impact on human discomfort over India due to global warming under the CORDEX-CORE framework 

      Maharana, Pyarimohan; Kumar, Dhirendra; Das, Sushant; Tiwari, P. R.; Norgate, Marc; Raman, Viswanathan Anantha Venkat (2024-04-30)
      Due to climate change, rapid warming and its further intensification over different parts of the globe have been recently reported. This has a direct impact on human health, agriculture, water availability, power generation, ...
    • Pulse shaping for laser fusion 

      Martin, William Eugene; Johnson, B.C.; Guinn, K.R. (1977)
    • Pulse stretching and spectroscopy of subnanosecond optical pulses using a Fabry-Perot interferometer 

      Martin, William Eugene (1977-04)
      A Fabry-Perot interferometer has been used to produce optical pulses of variable width from a short gaussian input pulse. Pulse stretching of two to five or more times the original pulse width is possible provided a longer ...
    • Quantification of vehicle fleet PM10 particulate matter emission factors from exhaust and non-exhaust sources using tunnel measurement techniques 

      Sokhi, Ranjeet; Lawrence, Samantha; Khaiwal, Ravindra (2016-03-01)
      Road tunnels act like large laboratories; they provide an excellent environment to quantify atmospheric particles emission factors from exhaust and non-exhaust sources due to their known boundary conditions. Current work ...
    • Quantifying bioaerosol concentrations in dust clouds through online UV-LIF and mass spectrometry measurements at the Cape Verde Atmospheric Observatory 

      Morrison, Douglas; Crawford, Ian; Marsden , Nicholas; Flynn, Michael; Read, Katie; Neves, Luis; Foot, Virginia; Kaye, Paul H.; Stanley, Warren; Coe, Hugh; Topping, David; Gallagher, Martin W (2020-11-28)
      Observations of the long-range transport of biological particles in the tropics via dust vectors are now seen as fundamental to the understanding of many global atmosphere–ocean biogeochemical cycles, changes in air quality, ...
    • Quantifying effects of long-range transport of NO2 over Delhi using back trajectories and satellite data 

      Graham, Ailish M.; Pope, Richard J.; Chipperfield, Martyn P.; Dhomse, Sandip S.; Pimlott, Matilda; Feng, Wuhu; Singh, Vikas; Chen, Ying; Wild, Oliver; Sokhi, Ranjeet; Beig, Gufran (2024-01-19)
      Exposure to air pollution is a leading public health risk factor in India, especially over densely populated Delhi and the surrounding Indo-Gangetic Plain. During the post-monsoon seasons, the prevailing north-westerly ...
    • Quantifying the imprint of a severe Hector thunderstorm during ACTIVE/SCOUT-O3 onto the water content in the upper troposphere/lower stratosphere 

      Chemel, C.; Russo, M.R.; Pyle, J.A.; Sokhi, R.S.; Schiller, C. (2009)
      The development of a severe Hector thunderstorm that formed over the Tiwi Islands, north of Australia, during the Aerosol and Chemical Transport in Tropical Convection/Stratospheric-Climate Links with Emphasis on the Upper ...
    • Quantum Kerr oscillators' evolution in phase space : Wigner current, symmetries, shear suppression and special states 

      Oliva, Maxime; Steuernagel, Ole (2019-03-06)
      The creation of quantum coherences requires a system to be anharmonic. The simplest such continuous one-dimensional quantum system is the Kerr oscillator. It has a number of interesting symmetries we derive. Its quantum ...
    • Quantum statistics can suppress classical interference 

      Steuernagel, O. (2002)
      Classical optical interference experiments correspond to a measurement of the first-order correlation function of the electromagnetic field. The converse of this statement: exper- iments that measure the first order ...
    • Quasi-spherical ice in convective clouds 

      Järvinen, Emma; Schnaiter, Martin; Mioche, Guillaume; Jourdan, Olivier; Shcherbakov, Valery N.; Costa, Anja; Afchine, Armin; Krämer, Martina; Heidelberg, Fabian; Jurkat, Tina; Voigt, Christiane; Schlager, Hans; Nichman, Leonid; Gallagher, Martin; Hirst, Edwin; Schmitt, Carl; Bansemer, Aaron; Heymsfield, Andy; Lawson, Paul; Tricoli, Ugo; Pfeilsticker, Klaus; Vochezer, Paul; Möhler, Ottmar; Leisner, Thomas (2016-09-21)
      Homogeneous freezing of supercooled droplets occurs in convective systems in low and midlatitudes. This droplet-freezing process leads to the formation of a large amount of small ice particles, so-called frozen droplets, ...
    • Radiative and dynamic effects of absorbing aerosol particles over the Pearl River Delta, China 

      Wendisch, M.; Hellmuth, O.; Ansmann, A.; Heintzenberg, J.; Engelmann, R.; Althausen, D.; Eichler, H.; Mueller, D.; Hu, M.; Zhang, Y.; Mao, J. (2008-08)
      Results are reported from a ground-based measurement campaign conducted in a highly polluted region in southeast of China in October-November 2004. The experiment focused on absorbing aerosol particles and their effects ...
    • Radiosonde aerosol counter for vertical profiling of atmospheric dust 

      Ulanowski, Joseph; Hirst, Edwin; Kaye, Paul H.; Harrison, R.G.; Nicoll, K.A.; Rogers, George (2010)
      A low-cost, miniature aerosol particle counter has been developed, intended for use with balloon-borne meteorological radiosondes. It is particularly suitable for airborne mineral dust measurements. Ambient air is drawn ...
    • Raman lidar for monitoring of aerosol pollution in the free troposphere 

      Mueller, D.; Mattis, Ina; Ansmann, Albert; Wandinger, U.; Althausen, D. (Springer Nature, 2008)
      Geometrical, optical, and microphysical properties of free-tropospheric pollution have been determined with multiwavelength Raman lidar at Leipzig, Germany. Long-term observations carried out at fixed times (three times ...
    • Raman lidar observations of aged Siberian and Canadian forest fire smoke in the free troposphere over Germany in 2003 : Microphysical particle characterization 

      Mueller, D.; Mattis, I.; Wandinger, U.; Ansmann, A.; Althausen, D.; Stohl, A. (2005-09-02)
      Dual-wavelength Raman lidar observations were regularly carried out at Leipzig (51.3 degrees N, 12.4 degrees E) from May to August 2003. The measurements showed that particle backscatter and extinction coefficients in the ...