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First 139 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 2022 Starlink Geomagnetic Storms: Global Thermospheric Response to a High-Latitude Ionospheric Driver

   In this study, we present ionospheric observations of field-aligned currents from AMPERE and the ...

   D. D. Billett, K. Sartipzadeh, M. F. Ivarsen, E. Iorfida, E. Doornbos, E. C. Kalafatoglu Eyiguler, K. Pandey, K. A. McWilliams | Journal: Space Weather | Volume: 22(2) | Year: 2024 | doi: https://doi.org/10.1029/2023SW003748

   Publication

5. Assessing long-term spatio-temporal variability in humidity and drought in Iran using Pedj Drought Index (PDI)

   Although drought is a normal feature of climate, there is confusion about its characteristics in ...

   A. Lashkari, M. Irannezhad, H. Zare, L. D. Labzovskii | Journal: Journal of Arid Environments | Year: 2021 | doi: https://doi.org/10.1016/j.jaridenv.2020.104336

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