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First 948 results for ” J Keller”

1. Vortex-averaged Arctic ozone depletion in the winter 2002/2003

   A total ozone depletion of 68±7 Dobson units between 380 and 525K from 10 December 2002 to 10 Mar...

   T Christensen, BM Knudsen, M Streiberl, SB Andersen, A Benesova, G Braathen, H Claude, J Davies, H De Backer, H Dier, V Dorokhov, M Gerding, M Gil, B Henchoz, H Kelder | Status: published | Journal: Atm. Chem. Phys. | Volume: 5 | Year: 2005 | First page: 131 | Last page: 138 | doi: 1680-7324/acp/2005-5-131

   Publication

2. Tropospheric NO2 over China

   The results are presented of a study to tropospheric NO2 over China, based on measurements from t...

   RJ van der A, DHMU Peters, JJP Kuenen, HJ Eskes, KF Boersma, M Van Roozendael, I De Smedt, P Zhang, HM Kelder | Conference: Dragon Programme Mid-Term Results (ESA SP-611) | Organisation: ESA | Place: Santorini, Greece | Year: 2005 | First page: 167 | Last page: 178

   Publication

3. Validation of SCIAMACHY products
   AJM Piters, RJ van der A, MAF Allaart, H Eskes, N Fournier, M de Graaf, H Kelder, D Lolkema, A Segers, C Schrijvers, P Stammes, G Tilstra | Year: 2006

   Publication

4. Did the COVID-19 Crisis Reduce Free Tropospheric Ozone across the Northern Hemisphere?
   W Steinbrecht, D Kubistin, C Plass-Dulmer, DW Tarasick, J Davies, P von der Gathen, H Deckelmann, N Jepsen, R Kivi, N Lyall, ......, M Allaart, A Piters, ......, Et al. | Status: submitted | Journal: Geophys. Res. Lett. | Year: 2020 | doi: 10.1002/essoar.10505226.1

   Publication

5. Who should measure air quality in modern cities? The example of decentralization of urban air quality monitoring in Krasnoyarsk (Siberia, Russia)

   Researchers have warned that the paradigm about who should measure air quality (AQ) in cities can...

   L. D. Labzovskii, J. D. Vande Hey, A. A. Romanov, P. Golovatina-Mora, D. Belikov, A. Lashkari, S. Takele Kenea, E. Hekman. Environmental Science and Policy | Journal: Environmental Science and Policy | Year: 2023 | doi: https://doi.org/10.1016/j.envsci.2022.11.016

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