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First 2497 results for ”Frank Helderman”

1. Signature of the stratosphere–troposphere coupling on recent record-breaking Antarctic sea-ice anomalies

   In February 2023, the sea-ice extent around Antarctica dropped to 1:79 106 km2, setting a satell...

   Raúl R. Cordero1, Sarah Feron1, 2, Alessandro Damiani3, Pedro J. Llanillo4, Jorge Carrasco5, Alia L. Khan6, 7, Richard Bintanja8, 9, Zutao Ouyang10, and Gino Casassa5 | Journal: The Cryosphere | Volume: 17 | Year: 2023 | First page: 4995 | Last page: 5007 | doi: https://doi.org/10.5194/tc-17-4995-2023

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2. Spaceborne Observations of Lightning NO2 in the Arctic

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   Xin Zhang, Ronald van der A, Jieying Ding, Henk Eskes, Jos van Geffen, Yan Yin, Juliëtte Anema, Chris Vagasky, Jeff L. Lapierre, and Xiang Kuang | Journal: Environmental Science & Technology | Volume: 57 | Year: 2023 | First page: 2322 | Last page: 2332 | doi: https://doi.org/10.1021/acs.est.2c07988

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3. TEMIS UV product validation using NILU-UV ground-based measurements in Thessaloniki, Greece

   This study aims to cross-validate ground-based and satellite-based models of three photobiologica...

   Zempila, M.M., Van Geffen, J.H.G.M., Taylor, M., Fountoulakis, I., Koukouli, M.E., Van Weele, M., Van der A, R.J., Bais, A., Meleti, C. and Balis, D | Journal: Atmospheric Chemistry and Physics | Year: 2017 | doi: https://doi.org/10.5194/acp-17-7157-2017

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4. Nitrogen oxides in the free troposphere: implications for tropospheric oxidants and the interpretation of satellite NO2 measurements

   Satellite-based retrievals of tropospheric NO2 columns are widely used to infer NOx (≡ NO + NO2) ...

   Shah, V., Jacob, D. J., Dang, R., Lamsal, L. N., Strode, S. A., Steenrod, S. D., Boersma, K. F., Eastham, S. D., Fritz, T. M., Thompson, C., Peischl, J., Bourgeois, I., Pollack, I. B., Nault, B. A., Cohen, R. C., Campuzano-Jost, P., Jimenez, J. L., Andersen, S. T., Carpenter, L. J., Sherwen, T., and Evans, M. J. | Journal: Atmos Chem Phys | Volume: 23 | Year: 2023 | First page: 1227 | Last page: 1257 | doi: https://doi.org/10.5194/acp-23-1227-2023

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5. EARTH EXPLORER 11 CANDIDATE MISSION SEASTAR REPORT FOR ASSESSMENT

   Seastar is a new Earth Explorer mission concept dedicated to observing fast-evolving small-scale ...

   Christine Gommenginger. Aida Alvera-Azcarate, Ole Baltazar Andersen, Fabrice Ardhuin, Antonio Bonaduce, Øyvind Breivik, Fabrice Collard, Mohammed Dabboor, Robert King, Joanna Staneva, Ad Stoffelen, David Woolf | Year: 2023

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