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Showing results 1-35 of 35

2020
1 Schneider, Philipp; Castell, Nuria; Hamer, Paul David; Walker, Sam-Erik; Bartonova, Alena.
Networks of air quality sensors and their use for high-resolution mapping of urban air quality. EGU General Assembly; 2020-05-04 - 2020-05-08
NILU Untitled
 
2 Solberg, Sverre; Walker, Sam-Erik; Guerreiro, Cristina; Colette, Augustin.
Statistical modelling for long-term trends of pollutants - Use of a GAM model for the assessment of measurements of O3, NO2 and PM. Kjeller: ETC/ATNI 2020 Eionet Report - ETC/ATNI(14/2019)
NILU Untitled
 
3 Walker, Sam-Erik; Schneider, Philipp.
A study of the relative expanded uncertainty formula for comparing low-cost sensor and reference measurements. Kjeller: NILU 2020 (ISBN 978-82-425-2997-8) 37 p. NILU rapport(1/2020)
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2019
4 Karl, Matthias; Walker, Sam-Erik; Solberg, Sverre; Ramacher, Martin O. P..
The Eulerian urban dispersion model EPISODE – Part 2: Extensions to the source dispersion and photochemistry for EPISODE–CityChem v1.2 and its application to the city of Hamburg. Geoscientific Model Development 2019 ;Volume 12. p. 3357-3399
NILU Untitled
 
5 Myhre, Cathrine Lund; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Platt, Stephen Matthew; Fiebig, Markus; Fjæraa, Ann Mari; Hansen, Georg Heinrich; Schmidbauer, Norbert; Krognes, Terje; Walker, Sam-Erik.
Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2018. Annual report.. Kjeller: NILU 2019 (ISBN 978-82-425-2985-5) 142 p. NILU rapport(18/2019)
NILU Untitled
 
6 Solberg, Sverre; Walker, Sam-Erik; Schneider, Philipp.
Trends in measured NO2 and PM. Discounting the effect of meteorology.. Bilthoven: ETC/ACM 2019 46 p. Eionet Report - ETC/ACM(2018/9)
NILU Untitled
 
7 Weydahl, Torleif; Walker, Sam-Erik; Johnsrud, Mona; Vo, Dam Thanh; Ranheim, Patrick.
Tiltaksutredning for lokal luftkvalitet i Tromsø. Kjeller: NILU 2019 (ISBN 978-82-425-2996-1) 99 p. NILU rapport(26/2019)
NILU Untitled
 
2018
8 Myhre, Cathrine Lund; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Platt, Stephen Matthew; Fiebig, Markus; Fjæraa, Ann Mari; Hansen, Georg Heinrich; Schmidbauer, Norbert; Krognes, Terje; Walker, Sam-Erik.
Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2017 - Annual report. Kjeller: NILU 2018 (ISBN 978-82-425-2952-7) 143 p. NILU rapport(29/2018)
NILU Untitled
 
9 Solberg, Sverre; Walker, Sam-Erik; Schneider, Philipp; Guerreiro, Cristina; Colette, Augustin.
Discounting the effect of meteorology on trends in surface ozone: Development of statistical tools. Bilthoven: ETC/ACM 2018 62 p. ETC/ACM Technical Paper(2017/15)
NILU Untitled
 
10 Walker, Sam-Erik; Hjort, Nils Lid.
Focused model selection and inference using robust estimators.. NordStat 2018; 2018-06-26 - 2018-06-29
NILU UiO Untitled
 
2017
11 Walker, Sam-Erik; Hjort, Nils Lid.
Estimation and model selection by data-driven weighted likelihoods.. JSM 2017 conference; 2017-07-29 - 2017-08-03
UiO Untitled
 
12 Walker, Sam-Erik; Hjort, Nils Lid.
Estimation and model selection by data-driven weighted likelihoods.. JSM 2017 conference; 2017-07-29 - 2017-08-03
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13 Walker, Sam-Erik; Hjort, Nils Lid.
Estimation and model selection via maximum weighted likelihoods.. 19th Norwegian Statistical Association (NSF) meeting; 2017-06-12 - 2017-06-15
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14 Walker, Sam-Erik; Hjort, Nils Lid.
Focused model selection and inference using robust estimators.. International Focustat Workshop “Bridging Parametrics and Nonparametrics”; 2017-05-22 - 2017-05-24
UiO Untitled
 
2016
15 Walker, Sam-Erik; Hjort, Nils Lid.
Model selection and focused inference using robust estimators.. NordStat 2016 konferanse; 2016-06-26 - 2016-06-30
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16 Walker, Sam-Erik; Hjort, Nils Lid.
Model selection and focused inference using robust estimators.. International Focustat Workshop “FICology”.; 2016-05-09 - 2016-05-11
UiO Untitled
 
2015
17 Karl, Matthias; Svendby, Tove Marit; Walker, Sam-Erik; Velken, Anna von Streng; Castell Balaguer, Nuria; Solberg, Sverre.
Modelling atmospheric oxidation of 2-aminoethanol (MEA) emitted from post-combustion capture using WRF-Chem. Science of the Total Environment 2015 ;Volume 527-528. p. 185-202
NILU Untitled
 
18 Walker, Sam-Erik.
Confidence distributions based on M-estimators.. International FocuStat Workshop "Inference With Confidence".; 2015-05-11 - 2015-05-13
UiO Untitled
 
19 Walker, Sam-Erik; Hermansen, Gudmund Horn; Hjort, Nils Lid.
Model selection and verification for ensemble based probabilistic forecasting of air pollution in Oslo, Norway. I: Proceedings of the 60th World Statistics Congress of the International Statistical Institute, ISI2015. The Hague, The Netherlands: The International Statistical Institute 2015 ISBN 978-90-73592-35-3. p. 3131-3136
UiO Untitled
 
20 Walker, Sam-Erik; Hjort, Nils Lid; Hermansen, Gudmund Horn.
Model selection and verification for ensemble based probabilistic forecasting of air pollution in Oslo, Norway. 60th ISI World Statistics Congress; 2015-07-26 - 2015-07-31
UiO Untitled
 
2014
21 Karl, Matthias; Castell, Nuria; Simpson, David; Solberg, Sverre; Starrfelt, Jostein; Svendby, Tove Marit; Walker, Sam-Erik; Wright, Richard Frederic.
Uncertainties in assessing the environmental impact of amine emissions from a CO2 capture plant. Atmospheric Chemistry and Physics 2014 ;Volume 14.(16) p. 8533-8557
MET NILU NIVA Untitled
 
22 Karl, Matthias; Walker, Sam-Erik.
Method and tool selection within the pilot study of air quality in Poland: Data fusion methodologies. Kjeller: NILU 2014 (ISBN 978-82-425-2700-4) 36 p. NILU OR (NILU Oppdragsrapport)(34/2014)
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23 Steinbakk, Gunnhildur Högnadóttir; Thorarinsdottir, Thordis Linda; Lahoz, William A.; Walker, Sam-Erik.
Data assimilation and statistical post-processing for numerical air quality predictions. : Norsk Regnesentral 2014 66 p. NR-notat(SAMBA/49/14)
NILU NR UiO Untitled
 
2013
24 Vanem, Erik; Walker, Sam-Erik.
Identifying trends in the ocean wave climate by time series analyses of significant wave height data. Ocean Engineering 2013 ;Volume 61. p. 148-160
NILU UiO Untitled
 
25 Vanem, Erik; Walker, Sam-Erik.
Time Series Analysis of Significant Wave Height Data for Identification of Trends in the Ocean Wave Climate. I: Proceedings of ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2013). Volume 2A: Structures, Safety and Reliability. ASME Press 2013 ISBN 978-0-7918-5532-4. p. -
NILU UiO Untitled
 
2012
26 Walker, Sam-Erik.
WORM: A new open road line source model for low wind speed conditions. International Journal of Environment and Pollution 2012 ;Volume 47.(1/2/3/4) p. 348-357
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2011
27 Denby, Bruce; Dudek, Agnes V; Walker, Sam-Erik; Costa, Ana Margarida; Monteiro, Alexandra; van den Elshout, Sef; Fisher, Bernard.
Towards uncertainty mapping in air-quality modelling and assessment. International Journal of Environment and Pollution 2011 ;Volume 44.(1-4) p. 14-23
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28 Slini, Theodora; Walker, Sam-Erik; Moussiopoulos, Nicolas.
Data assimilation within the Air4EU project: the Athens case. International Journal of Environment and Pollution 2011 ;Volume 44.(1-4) p. 298-306
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29 Walker, Sam-Erik.
WORM: A new open road line source model for low wind speed conditions. International Journal of Environment and Pollution 2011 ;Volume 47.(1-4) p. 348-357
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2010
30 Berger, Janne; Walker, Sam-Erik; Denby, Bruce; Berkowicz, Ruwim; Løfstrøm, Per; Ketzel, Matthias; Härkönen, Jari; Nikmo, Juha; Karppinen, Ari.
Evaluation and inter-comparison of open road line source models currently in use in the Nordic countries. Boreal environment research 2010 ;Volume 15.(3) p. 319-334
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31 Madsen, Christian; Gehring, Ulrike; Walker, Sam-Erik; Brunekreef, Bert; Stigum, Hein; Næss, Øyvind Erik; Nafstad, Per.
Ambient air pollution exposure, residential mobility and term birth weight in Oslo, Norway. Environmental Research 2010 ;Volume 110.(4) p. 363-371
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2009
32 Oftedal, Bente Margaret; Walker, Sam-Erik; Gram, Frederick; McInnes, Harold; Nafstad, Per.
Modelling long-term averages of local ambient air pollution in Oslo, Norway: evaluation of nitrogen dioxide, PM10 and PM2.5. International Journal of Environment and Pollution 2009 ;Volume 36.(1-3) p. 110-126
FHI NILU UiO Untitled
 
33 Madsen, Christian; Gehring, U; Walker, SE; Brunekreef, B; Stigum, Hein; Næss, Øyvind Erik; Nafstad, Per.
Ambient Air Pollution Exposure, Residential Mobility and Term Birth Weight in Oslo, Nonway. Epidemiology 2009 ;Volume 20.(6) p. S151-S151
FHI Untitled
 
2008
34 Oftedal, Bente Margaret; Brunekreef, Bert; Nystad, Wenche; Madsen, Christian; Walker, Sam-Erik; Nafstad, Per.
Residential outdoor air pollution and lung function in schoolchildren. Epidemiology 2008 ;Volume 19.(1) p. 129-137
FHI NILU UiO Untitled
 
2000
35 Clench-Aas, Jocelyne; Aldrin, Magne; Bartonova, A.; Follestad, Turid; Walker, Sam-Erik; Skjønsberg, Ole Henning; Giæver, Petter; Moseng, J..
The short- and long-term effects of air pollution on symptoms of reduced health in a panel of chool-age children. Kjeller: NILU 2000 (ISBN 82-425-1131-4) 96 p. NILU OR (NILU Oppdragsrapport)(65/99)
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