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First 77 results for ” J Hahkala”

  1. Using Virtual Organizations Membership System with EDG\'s Grid Security and Database Access

    This paper describes the European Data Grid s (EDG s) java security system and Spitfire database ...

    M Niinimaki, J White, WJ Som de Cerff, J Hahkala, T Niemi, M Pitkanen | Conference: Grid and Peer-to-Peer Computing Impacts on Large Scale Heterogoneous Distributed Database Systems | Organisation: GLOBE 2004 | Place: Zaragoza | First page: 0 | Last page: 0

    Publication

  2. The TROPOMI surface UV algorithm

    The TROPOspheric Monitoring Instrument (TROPOMI) is the only payload of the Sentinel-5 Precursor ...

    AV Lindfors, J Kujanpää, N Kalakoski, A Heikkilä, K Lakkala, T Mielonen, M Sneep, NA Krotkov, A Arola, J Tamminen1 | Status: published | Journal: Atmospheric Measurement Techniques | Volume: 11 | Year: 2018 | First page: 997 | Last page: 1008 | doi: 10.5194/amt-11-997-2018

    Publication

  3. Towards a European UV-climatology utilising ground-based and satellite based analysis

    UV-radiation levels at the ground can be strongly influenced by ozone and climate change. Over on...

    H Slaper, PN den Outer, JE Williams, A Bais, J Kaurola, K Lakkala, G Seckmeyer, P Weihs | Conference: Quadrennial Ozone Symposium | Organisation: International Ozone Commision | Place: Kos,Greece | First page: 249 | Last page: 250

    Publication

  4. The PROMOTE UV Record: Toward a Global Satellite-Based Climatology of Surface Ultraviolet Irradiance

    This paper describes the PROMOTE UV Record, which aims to provide a global long-term record of th...

    A Lindfors, A Tanskanen, A Arola, RJ van der A, A Bias, U Feister, M Janouch, W Josefsson, T Koskela, K Lakkala, PN den Outer, ARD Smedley, H Slaper, AR Webb | Status: published | Journal: IEEE Transactions on Geoscience and Remote Sensing | Volume: 2 | Year: 2009 | First page: 207 | Last page: 212 | doi: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5286247&isnumber=5306442

    Publication

  5. Description and evaluation of a detailed gas-phase chemistry scheme in the TM5-MP global chemistry transport model (r112)

    This work documents and evaluates the tropospheric gas-phase chemical mechanism MOGUNTIA in the t...

    S Myriokefalitakis, N Daskalakis, A Gkouvousis, A Hilboll, T van Noije, JE Williams, P Le Sager, V Huijnen, S Houweling, T Bergman, JR Nüß;, M Vrekoussis, M Kanakidou, MC Krol | Status: published | Journal: Geosci. Model Dev. | Volume: 13 | Year: 2020 | First page: 5507 | Last page: 5548 | doi: 10.5194/gmd-13-5507-2020

    Publication