Publications

BC inversions in the High Northern Latitudes during 2013-2015.

Evangeliou, N.

Bedre byluft - evaluering av prognosemodell for meteorologi og luftkvalitet vinteren 2003/2004. met.no report, 12/2004

Ødegaard, V.; Gjerstad, K.I.; Bjergene, N.; Jablonska, H.T.B.; Walker, S.E.

Bedre byluft. Endringer i 2013 og forskningsresultater av prognoser for meteorologi og luftkvalitet i norske byer vinteren 2012-2013. MET report, 23/2013

Benedictow, A.; Slørdal, L.H.; Denby, B.R.; Süld, J.; Kristensen, A.

Bedre byluft. Evaluering av prognosemodell for meteorologi og luftkvalitet vinteren 2002/2003. Research report, no. 152

Ødegaard, V.; Walker, S.-E.; Midtbø, K. H.; Jablonska, H. T. B.; Gjerstad, K. I.; Bjergene, N.

Bedre byluft. Evaluering av prognosemodell for meteorologi og luftkvalitet vinteren 2005/2006. met.no report, 8/2006

Ødegaard, V.; Gjerstad, K.I.; Bjergene, N.

Bedre byluft. Prognoser for meteorologi og luftkvalitet i norske byer vinteren 2009-2010. met.no report, 12/2010

Ødegaard, V.; Slørdal, L.H.; Abildsnes, H.; Olsen, T.

Bedre byluft. Prognoser for meteorologi og luftkvalitet i norske byer vinteren 2011-2012. met.no report, 10/2013

Ødegaard, V.; Gjerstad, K.I.; Slørdal, L.H.; Abildsnes, H.; Olsen, T.

Bedre byluft. Prognoser for meteorologi og luftkvalitet i norske byer. met.no report, 15/2008

Ødegaard, V.; Bjergene, N.; Gjerstad, K.I.; Slørdal, L.H.

Bedre luft? Pigg av!

Høiskar, Britt Ann Kåstad

Behaviour of indoor aerosols.

Smolik, J.; Moravec, P.; Schwarz, J. Zdimal, V.; Dahlin, E.; Drossinos, Y.; Lapi, M.; Lazaridis, M.

Benchmark on methodologies to integrate low-cost sensor networks with official measurements to improve (modelled) air quality maps

Wesseling, Joost; Gressent, Alicia; Namdeo, Anil; Camara, Assa; Roet, David; Lenartz, Fabian; Sousa, Jorge; Joassin, Pascal; Schneider, Philipp; Thunis, Philippe; Ratingen, Sjoerd van; Hellebust, Stig; Janssen, Stijn; Vrankx, Stijn; Rodrigues, Vera; Hendricx, Wouter

Benefit of ozone observations from Sentinel-5P and future Sentinel-4 missions on tropospheric composition

Quesada-Ruiz, Samuel; Attié, Jean-Luc; Lahoz, William A.; Abida, Rachid; Ricaud, Philippe; Amraoui, Laaziz El; Zbinden, Regina; Piacentini, Andrea; Joly, Mathieu; Eskes, Henk; Segers, Arjo; Curier, Lyana; Haan, Johan de; Kujanpää, Jukka; Nijhuis, Albert C. P. O.; Tamminen, Johanna; Timmermans, Renske; Veefkind, Pepijn

We present an observing simulated system experiment (OSSE) dedicated to evaluate the potential added value from the Sentinel-4 and the Sentinel-5P observations on tropospheric ozone composition. For this purpose, the ozone data of Sentinel-4 (Ultraviolet Visible Near-infrared) and Sentinel-5P (TROPOspheric Monitoring Instrument) on board a geostationary (GEO) and a low-Earth-orbit (LEO) platform, respectively, have been simulated using the DISAMAR inversion package for the summer 2003. To ensure the robustness of the results, the OSSE has been configured with conservative assumptions. We simulate the reality by combining two chemistry transport models (CTMs): the LOng Term Ozone Simulation - EURopean Operational Smog (LOTOS-EUROS) and the Transport Model version 5 (TM5). The assimilation system is based on a different CTM, the MOdele de Chimie Atmospherique a Grande Echelle (MOCAGE), combined with the 3-D variational technique. The background error covariance matrix does not evolve in time and its variance is proportional to the field values. The simulated data are formed of six eigenvectors to minimize the size of the dataset by removing the noise-dominated part of the observations. The results show that the satellite data clearly bring direct added value around 200 hPa for the whole assimilation period and for the whole European domain, while a likely indirect added value is identified but not for the whole period and domain at 500 hPa, and to a lower extent at 700 hPa. In addition, the ozone added value from Sentinel-5P (LEO) appears close to that from Sentinel-4 (GEO) in the free troposphere (200-500 hPa) in our OSSE. The outcome of our study is a result of the OSSE design and the choice within each of the components of the system.

Benzene in eThekwini. Concentrations in air. NILU OR

Knudsen, S.; Ngema, P.

The report gives recommendation on the storage and the reporting of measurements from odd samples. It is important that the report contains the measurements and description of the measurements for later use. A recommendation for storing the measurements is making a simple database with a library function. The library function will give the path to samples with given key words and where to find them.