Search Results - "A. Hilboll"

Long-term changes of tropospheric NO2 over megacities derived from multiple satellite instruments by Hilboll, A, Richter, A, Burrows, J P

“…Tropospheric NO2 , a key pollutant in particular in cities, has been measured from space since the mid-1990s by the GOME, SCIAMACHY, OMI, and GOME-2…”
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Decreasing emissions of NOx relative to CO2 in East Asia inferred from satellite observations by Reuter, M., Buchwitz, M., Hilboll, A., Richter, A., Schneising, O., Hilker, M., Heymann, J., Bovensmann, H., Burrows, J. P.

“…Global CO 2 emissions are usually assessed from uncertain bottom-up estimates. A satellite-based top-down estimate suggests that emissions of NO x in East Asia…”
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Changes in atmospheric aerosol loading retrieved from space-based measurements during the past decade by Yoon, J, Burrows, J. P, Vountas, M, von Hoyningen-Huene, W, Chang, D. Y, Richter, A, Hilboll, A

“…The role and potential management of short-lived atmospheric pollutants such as aerosols are currently a topic of scientific and public debates. Our limited…”
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An improved NO2 retrieval for the GOME-2 satellite instrument by Richter, A, Begoin, M, Hilboll, A, Burrows, J P

“…Satellite observations of nitrogen dioxide (NO2 ) provide valuable information on both stratospheric and tropospheric composition. Nadir measurements from…”
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Economic crisis detected from space: Air quality observations over Athens/Greece by Vrekoussis, M., Richter, A., Hilboll, A., Burrows, J. P., Gerasopoulos, E., Lelieveld, J., Barrie, L., Zerefos, C., Mihalopoulos, N.

“…Using both satellite observations of tropospheric NO2 columns and a number of economic metrics, we investigate the impact of the economic crisis (from 2008…”
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Multi-annual changes of NOx emissions in megacity regions: nonlinear trend analysis of satellite measurement based estimates by Konovalov, I B, Beekmann, M, Richter, A, Burrows, J P, Hilboll, A

“…Hazardous impact of air pollutant emissions from megacities on atmospheric composition on regional and global scales is currently an important issue in…”
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An improved glyoxal retrieval from OMI measurements by Alvarado, L. M. A, Richter, A, Vrekoussis, M, Wittrock, F, Hilboll, A, Schreier, S. F, Burrows, J. P

“…Satellite observations from the SCIAMACHY, GOME-2 and OMI spectrometers have been used to retrieve atmospheric columns of glyoxal (CHOCHO) with the DOAS…”
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Evaluation of the MACC operational forecast system – potential and challenges of global near-real-time modelling with respect to reactive gases in the troposphere by Wagner, A, Blechschmidt, A.-M, Bouarar, I, Brunke, E.-G, Clerbaux, C, Cupeiro, M, Cristofanelli, P, Eskes, H, Flemming, J, Flentje, H, George, M, Gilge, S, Hilboll, A, Inness, A, Kapsomenakis, J, Richter, A, Ries, L, Spangl, W, Stein, O, Weller, R, Zerefos, C

“…The Monitoring Atmospheric Composition and Climate (MACC) project represents the European Union's Copernicus Atmosphere Monitoring Service (CAMS)…”
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Evaluations of NOx and highly reactive VOC emission inventories in Texas and their implications for ozone plume simulations during the Texas Air Quality Study 2006 by Kim, S.-W, McKeen, S A, Frost, G J, Lee, S.-H, Trainer, M, Richter, A, Angevine, W M, Atlas, E, Bianco, L, Boersma, K F, Brioude, J, Burrows, J P, de Gouw, J, Fried, A, Gleason, J, Hilboll, A, Mellqvist, J, Peischl, J, Richter, D, Rivera, C, Ryerson, T, Hekkert, S te Lintel, Walega, J, Warneke, C, Weibring, P, Williams, E

“…Satellite and aircraft observations made during the 2006 Texas Air Quality Study (TexAQS) detected strong urban, industrial and power plant plumes in Texas. We…”
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Differences in satellite-derived NOx emission factors between Eurasian and North American boreal forest fires by Schreier, S.F., Richter, A., Schepaschenko, D., Shvidenko, A., Hilboll, A., Burrows, J.P.

“…Current fire emission inventories apply universal emission factors (EFs) for the calculation of NOx emissions over large biomes such as boreal forest. However,…”
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Impact of forest fires, biogenic emissions and high temperatures on the elevated Eastern Mediterranean ozone levels during the hot summer of 2007 by Hodnebrog, Ã, Solberg, S, Stordal, F, Svendby, T. M, Simpson, D, Gauss, M, Hilboll, A, Pfister, G. G, Turquety, S, Richter, A, Burrows, J. P, Denier van der Gon, H. A. C

“…The hot summer of 2007 in southeast Europe has been studied using two regional atmospheric chemistry models; WRF-Chem and EMEP MSC-W. The region was struck by…”
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Systematic analysis of tropospheric NO2 long-range transport events detected in GOME-2 satellite data by A. W. Zien, A. Richter, A. Hilboll, A.-M. Blechschmidt, J. P. Burrows

“…Intercontinental long-range transport (LRT) events of NO2 relocate the effects of air pollution from emission regions to remote, pristine regions. We detect…”
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Improvements to the retrieval of tropospheric NO2 from satellite - stratospheric correction using SCIAMACHY limb/nadir matching and comparison to Oslo CTM2 simulations by Hilboll, A, Richter, A, Rozanov, A, Hodnebrog, Ø, Heckel, A, Solberg, S, Stordal, F, Burrows, J P

“…Satellite measurements of atmospheric trace gases have proved to be an invaluable tool for monitoring the Earth system. When these measurements are to be used…”
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Unexpected long-range transport of glyoxal and formaldehyde observed from the Copernicus Sentinel-5 Precursor satellite during the 2018 Canadian wildfires by Alvarado, Leonardo M. A, Richter, Andreas, Vrekoussis, Mihalis, Hilboll, Andreas, Kalisz Hedegaard, Anna B, Schneising, Oliver, Burrows, John P

“…Glyoxal (CHOCHO) and formaldehyde (HCHO) are intermediate products in the tropospheric oxidation of the majority of volatile organic compounds (VOCs). CHOCHO…”
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Algorithm theoretical baseline for formaldehyde retrievals from S5P TROPOMI and from the QA4ECV project by De Smedt, Isabelle, Theys, Nicolas, Yu, Huan, Danckaert, Thomas, Lerot, Christophe, Compernolle, Steven, Van Roozendael, Michel, Richter, Andreas, Hilboll, Andreas, Peters, Enno, Pedergnana, Mattia, Loyola, Diego, Beirle, Steffen, Wagner, Thomas, Eskes, Henk, van Geffen, Jos, Boersma, Klaas Folkert, Veefkind, Pepijn

“…On board the Copernicus Sentinel-5 Precursor (S5P) platform, the TROPOspheric Monitoring Instrument (TROPOMI) is a double-channel, nadir-viewing grating…”
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Structural uncertainty in air mass factor calculation for NO2 and HCHO satellite retrievals by Lorente, Alba, K Folkert Boersma, Yu, Huan, Dörner, Steffen, Hilboll, Andreas, Richter, Andreas, Liu, Mengyao, Lamsal, Lok N, Barkley, Michael, De Smedt, Isabelle, Michel Van Roozendael, Wang, Yang, Wagner, Thomas, Beirle, Steffen, Jin-Tai, Lin, Krotkov, Nickolay, Stammes, Piet, Wang, Ping, Eskes, Henk J, Krol, Maarten

“…Air mass factor (AMF) calculation is the largest source of uncertainty in NO2 and HCHO satellite retrievals in situations with enhanced trace gas…”
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Chemical and dynamical identification of emission outflows during the HALO campaign EMeRGe in Europe and Asia by Förster, Eric, Bönisch, Harald, Neumaier, Marco, Obersteiner, Florian, Zahn, Andreas, Hilboll, Andreas, Kalisz Hedegaard, Anna B, Daskalakis, Nikos, Poulidis, Alexandros Panagiotis, Vrekoussis, Mihalis, Lichtenstern, Michael, Braesicke, Peter

“…The number of large urban agglomerations is steadily increasing worldwide. At a local scale, their emissions lead to air pollution, directly affecting people's…”
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Overview: On the transport and transformation of pollutants in the outflow of major population centres – observational data from the EMeRGe European intensive operational period in summer 2017 by Andrés Hernández, M. Dolores, Hilboll, Andreas, Ziereis, Helmut, Förster, Eric, Krüger, Ovid O, Kaiser, Katharina, Schneider, Johannes, Barnaba, Francesca, Vrekoussis, Mihalis, Schmidt, Jörg, Huntrieser, Heidi, Blechschmidt, Anne-Marlene, George, Midhun, Nenakhov, Vladyslav, Harlass, Theresa, Holanda, Bruna A, Wolf, Jennifer, Eirenschmalz, Lisa, Krebsbach, Marc, Pöhlker, Mira L, Kalisz Hedegaard, Anna B, Mei, Linlu, Pfeilsticker, Klaus, Liu, Yangzhuoran, Koppmann, Ralf, Schlager, Hans, Bohn, Birger, Schumann, Ulrich, Richter, Andreas, Schreiner, Benjamin, Sauer, Daniel, Baumann, Robert, Mertens, Mariano, Jöckel, Patrick, Kilian, Markus, Stratmann, Greta, Pöhlker, Christopher, Campanelli, Monica, Pandolfi, Marco, Sicard, Michael, Gómez-Amo, José L, Pujadas, Manuel, Bigge, Katja, Kluge, Flora, Schwarz, Anja, Daskalakis, Nikos, Walter, David, Zahn, Andreas, Pöschl, Ulrich, Bönisch, Harald, Borrmann, Stephan, Platt, Ulrich, Burrows, John P

“…Megacities and other major population centres (MPCs) worldwide are major sources of air pollution, both locally as well as downwind. The overall assessment and…”
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Long-term changes of tropospheric NO 2 over megacities derived from multiple satellite instruments by Hilboll, A., Richter, A., Burrows, J. P.

“…Tropospheric NO2, a key pollutant in particular in cities, has been measured from space since the mid-1990s by the GOME, SCIAMACHY, OMI, and GOME-2…”
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Long-term changes of tropospheric NO.sub.2 over megacities derived from multiple satellite instruments by Hilboll, A, Richter, A, Burrows, J. P

“…Tropospheric NO.sub.2, a key pollutant in particular in cities, has been measured from space since the mid-1990s by the GOME, SCIAMACHY, OMI, and GOME-2…”
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