Royal Dutch Meteorological Institute; Ministery Of Infrastructure And The Environment

Climate Observations
Science Meetings Autumn 2014
Speaker Title Date Time
Jan Fokke Meirink
Comparison of satellite-observed and model-predicted surface radiation over the Netherlands Thu 2 Oct
12:30-13:15 Buys Ballot
Tommy van Leth
Remote Sensing of Sun-Induced Chlorophyll Fluorescence Wed 8 Oct
12:15-13:00 Bleekerzaal
Bram Sanders
Evaluation of an aerosol height retrieval algorithm for Sentinel-5 Precursor and Sentinel-4: Application to O2 A band observations from GOME-2 Wed 15 Oct
12:15-13:00 Buys Ballot
Jos de Laat
Recovery of the Antarctic Ozone Hole: why haven't we thought of that before? Wed 5 Nov
12:15-13:00 Groen
Peter van Velthoven
Processes controlling H2O in the UT/LS : What can we learn from CARIBIC? Wed 19 Nov
12:15-13:00 Veningn Meinesz
Jieying Ding
NO2 emission estimation Mon 24 Nov
12:15-13:00 Buys Ballot
Michiel van Weele
Achievements in the GMES-Pure Project Wed 3 Dec
12:15-13:00 Bleeker
Martin de Graaf
Title Mon 8 Dec
12:15-13:00 Buys Ballot
Aastha Parikh
Alternative method for aerosol profile retrieval from the O2 A-band Tue 16 Dec
12:15-13:00 Buys Ballot
Jos van Geffen
Improvements in the NO2 retrieval algorithm Wed 17 Dec
12:15-13:00 Buys Ballot
Gijs Tilstra
Title January 2015
Buys Ballot
Ankie Piters
Title February 2015
Buys Ballot

Science Meetings Spring 2014
Speaker Title Date Time
Gerd-Jan van Zadelhoff
Retrieving Hurricane Wind Speeds using Cross Polarization C-band measurements
Thu 30 Jan
12:15-13:00 Bleekerzaal
Noud Brasjen
Nuon Solar Team: Applications of meteorology in the World Solar Challenge
Tue 18 Feb
12:15-13:00 Buys Ballot
Jacques Claas
OMI: status of instrument, spacecraft and operations
Tue 4 Mar
12:15-13:00 Buys Ballot
Vincent Huijnen
Tropospheric chemistry in ECMWF's Integrated Forecasting System
Tue 25 Mar
12:15-13:00 Buys Ballot
Willem Verstraeten
Change in tropospheric ozone over eastern China: Is it STE? Is it NOX? Or is it the retrieval? A TES, OMI and TM5 perspective
Tue 8 Apr
12:15-13:00 Buys Ballot
Casper Koning
TROPOMI's Aerosol Layer Height Algorithm: Interpretation of the retrieved height parameter
Wed 30 Apr
10:00-11:00 Buys Ballot
Henk Eskes
Synthetic O3, CO, NO2 and HCHO observations for Sentinels 4 and 5
Tue 6 May
12:30-13:15 Vening Meinesz
Ujjwal Kumar
LOTOS-EUROS contribution to MACC-2 Reanalysis (2011) to assess the air quality of Europe
Friday 23 May
12:15-13:00 Vening Meinesz
Luis Guanter (Berlin)
Global monitoring of terrestrial chlorophyll fluorescence from space
Wed 28 May
12:15-13:00 Bleekerzaal
Dave Donovan
Depolarization Lidar based Determination of Cloud Base Microphysical Properties and potential for Satellite+ground-based synergy
Tue 17 June
12:15-13:00 Buys Ballot
Ronald van der A
The MSR-2
Thu 26 June
12:15-13:00 Buys Ballot

Science Meetings Autumn 2013
Speaker Title Date Time
Jos de Laat
The 2014 WMO Ozone Assessment report: news from the frontline
Wed 25 Sept
12:30-13:30 Bleekerzaal
Kazuyuki Miyazaki
Global lightning NOx production estimated by an assimilation of multiple satellite datasets
Fri 18 Oct
14:00-15:00 Vening Meinesz
Jos van Geffen
Advancing the NO2 retrieval for the (TROP)OMI sensors
Mon 28 Oct
12:15-13:00 Buys Ballot
Huan Yu
Tropospheric NO2 retrieval for Satellite measurements
Thu 14 Nov
13:30-14:15 Bleekerzaal
Mirjam den Hoed
NO2 sonde ready for serial production?
Wed 20 Nov
12:30-13:15 Buys Ballot
Enrico Dammers
A regional analysis of soil NOx
Thu 28 Nov
12:15-13:00 Buys Ballot
Narcisa Banda
Modelling stratospheric sulfur from Pinatubo and its impact on tropospheric methane and OH
Wed 4 Dec
12:15-13:00 Buys Ballot
Jacob van Peet
Ozone profile retrieval and assimilation
Tue 10 Dec
12:15-13:00 Buys Ballot
Dave Donovan
Wed 18 Dec
12:15-13:00 Buys Ballot

Science Meetings Spring 2013
Speaker Title Date Time
Tero Mielonen
Improved retrieval of troposheric ozone profile using OMI
Wed 06 Feb
12:15-13:00 Buys Ballot
Clifford Chuwah
Implications of alternative assumptions regarding future air pollution control in RCP-like scenarios
Thu 14 Feb
12:15-13:00 Buys Ballot
Remco Braak
Configuration management for the TROPOMI L01b project
Thu 07 Mar
12:15-13:00 Buys Ballot
Gerard Hoek (UU)
Health effects of ambient air pollution, results of recent studies
Thu 21 Mar
12:15-13:00 Buys Ballot
Jason Williams
In-situ formation of methyl nitrates from NO + CH3O2: global implications
Thu 28 Mar
12:15-13:00 Buys Ballot
Deborah Stein
Up and Away: First Results from the NO2-sonde and OMI during DISCOVER-AQ 2013
Tue 02 Apr
12:15-13:00 Buys Ballot
Maria Belmonte Rivas (TUD)
Intercomparison of stratospheric NO2 columns: satellite retrievals and model simulations
Thu 18 Apr
12:15-13:00 Buys Ballot
Jan Fokke Meirink
Satellite-based datasets of cloud properties
Tue 07 May
12:15-13:00 Buys Ballot
Werner Dierssen
Software development: a Python experience
Thu 23 May
12:15-13:00 Buys Ballot
Mirna van Hoek
TROPOMI Operations
Thu 06 Jun
12:15-13:00 Buys Ballot
Ulrich Hamann
Intercomparison and validation of 12 cloud retrieval algorithms from SEVIRI
Thu 13 Jun
12:15-13:00 Buys Ballot
Enrico Dammers
A regional analysis of soil nitrogen oxides
Thu 27 Jun
12:15-13:00 Buys Ballot
Ofelia Vieitez
GOSAT aerosol retrievals
Tue 9 Jul
12:15-13:00 Buys Ballot
Joannes Maasakkers
Vital improvements to the retrieval of tropospheric NO2 columns from the Ozone Monitoring Instrument
Thu 11 Jul
12:15-13:00 Scholtezaal!!!

Science Meetings Fall 2012
Speaker Title Date Time
Robert Vautard
Development and predictability of heat waves in Europe
Thu 11 Oct
11:30-12:30 Buys Ballot
Marloes Penning de Vries
Towards a global aerosol type climatology from satellite observations of trace gases and aerosols
Thu 18 Oct
12:15-13:00 Bleeker
Michiel van Weele
PREMIER: Future ESA candidate
Thu 25 Oct
12:15-13:00 Buys Ballot
Henk Eskes
ISOTROP: OSSE for Sentinel 4 and 5
Tue 30 Oct
12:15-13:00 Buys Ballot
Willem Verstraeten
Rapid increases in free tropospheric ozone over eastern China as measured by TES in 2005-2010 and evaluated with TM5
Tue 6 Nov
12:15-13:00 Buys Ballot
Robert Koelemeijer
Effect of climate policy on air quality in Europe
Wed 21 Nov
12:15-13:00 Buys Ballot
Deborah Stein-Zweers
An overview of the Aerosol-CCI project
Thu 29 Nov
12:15-13:00 Buys Ballot
Philippe Le Sager
The TM6 project: a break through TM5 limitations
Thu 13 Dec
12:15-13:00 Buys Ballot

Science Meetings Spring 2012
Speaker Title Date Time
Martijn de Ruyter de Wildt
The global economic cycle and satellite-derived NO2 trends over shipping lanes
Thu 26 Jan
12:15-13:00 Buys Ballot
Albert Oude Nijhuis
Optimization of radiative transfer calculations: an objective criterion for error minimization in k-distributions
Tue 7 Feb
12:15-13:00 Buys Ballot
Reinout Boers
Observations and modelling of fog episodes at the Cabauw Observatory (CESAR)
Wed 15 Feb
12:15-13:00 Buys Ballot
John van de Vegte (I-RD)
Satellite Data Platform - KNMI Data Center
Thu 1 Mar
12:15-13:00 Buys Ballot
Bram Sanders
Retrieving aerosol height with TROPOMI
Tue 6 Mar
12:15-13:00 Buys Ballot
Ping Wang and Olaf Tuinder
Interpretation of FRESCO cloud retrievals in case of absorbing aerosol events
Thu 15 Mar
12:15-13:00 Buys Ballot
Antonio di Noia
Tropospheric ozone retrievals from OMI using the Neural Network approach
Wed 21 Mar
12:15-13:00 Buys Ballot
Jason Williams
Uncertainty in global composition due to biogenic emission estimates
Tue 3 Apr
12:15-13:00 Buys Ballot
Kazuyuki Miyazaki
Simultaneous assimilation of satellite NO2, O3, CO, and HNO3 data for the analysis of tropospheric chemical composition and emissions
Wed 18 Apr
12:15-13:00 Bleeker+Groen
Tero Mielonen
Evaluation of aerosol measurements done with CALIOP
Fri 11 May
12:30-13:15 Buys Ballot
Ujjwal Kumar
Coupling of LOTOS-EUROS with HARMONIE: Looking at the impact of high resolution meteorology on air quality results
Tue 15 May
12:15-13:00 Bleeker+Groen
Albert Oude Nijhuis
Validation of the DOAS fitted effective ozone temperature
Thu 31 May
12:15-13:00 Buys Ballot
Vincent Huijnen
The MACC 2003-2010 reanalysis of atmospheric composition: What is in it?
Wed 6 Jun
12:15-13:00 Vening Meinesz

Science Meetings Fall 2011
Speaker Title Date Time
Bram Maasakkers
Examining human activity from space by analyzing OMI and GOME-2 tropospheric NO2 columns
Tue 30 Aug
12:15-13:00 Buys Ballot
Wesley Sluis
NO2 sonde going USA. Overview talk DISCOVER AQ campaign
Fri 9 Sep
12:15-13:00 Buys Ballot
Wytze Lenstra
Understanding the measured vertical distribution of nitrogen dioxide
Fri 30 Sep
12:15-13:00 Buys Ballot
Ana Ruiz
Estimation of aerosol radiative effects using TM5 and DAK
Wed 12 Oct
12:15-13:00 VeningMeinesz
Brent Maddux
The MODIS cloud 10-year data record and uncertainty analysis
Thu 27 Oct
12:15-13:00 Buys Ballot
Annemieke Pijnappel
Statistical postprocessing of Lotos-Euros forecasts
Tue 1 Nov
12:15-13:00 Buys Ballot
Elisabeth A. Holland (UCAR)
The Global Nitrogen Cycle: Where Climate, Air Pollution and Food Intersect
Thu 3 Nov
11:00-12:00 Buys Ballot
Martin de Graaf
Retrieval of the aerosol direct radiative effect over clouds from space-borne spectrometry
Tue 8 Nov
12:15-13:00 Buys Ballot
Guido van der Werf (VU)
Deforestation and the global carbon budget
Wed 16 Nov
12:15-13:00 Buys Ballot
Patricia Castellanos
Reduction in NO2 driven by policy and recession
Tue 22 Nov
12:15-13:00 Vening Meinesz
Narcisa Banda
Methane changes after the Pinatubo eruption
Thu 1 Dec
12:15-13:00 Buys Ballot

Science Meetings Spring 2011
Speaker Title Date Time
Jason Williams
The contribution towards tropospheric ozone production by the photolysis of molecular oxygen
Tue 11 Jan
Seethala Chellappan
Cloud Liquid Water Path from Spaceborne Measurements
Mon 17 Jan
Erwin Wolters
Evaluation of rainfall retrievals from SEVIRI reflectances using TRMM-PR and CMORPH
Wed 2 Feb
Pepijn Veefkind
TROPOMI: Status and Plans
Fri 11 Feb
Ping Wang
Surface solar irradiance from SCIAMACHY measurements
Thu 17 Feb
Ad Stoffelen
Aeolus lidar windprofielen
Wed 23 Feb
12:15-13:00 Groen+Bleeker
Dom Spraecklen (Univ. Leeds)
Biogenic aerosol formation
Fri 25 Feb
Marloes Penning de Vries
Implementation and Verification of the SCattering Index for GOME-2
Tue 8 Mar
Anne van Gijsel
Using lidars for the validation of satellite data
Thu 31 Mar
Otto Hasekamp (SRON)
Aerosol properties from PARASOL multi-angle photopolarimetric measurements
Wed 27 Apr
12:15-13:00 Groen+Bleeker
Tjibbe van der Veen
Towards detection of aircraft pollution with satellite observations of nitrogen dioxide
Wed 11 May
Rob Roebeling
SEVIRI precipitation collocation with rain gauge and radar data over Europe
Thu 26 May
Gerd-Jan van Zadelhof
Space-Borne Observations of Clouds, Aerosols and Radiation; status of the EarthCARE mission
Wed 1 Jun
Ofelia Vieitez
Development of aerosol altitude retrieval from GOSAT observations of the oxygen A-band
Mon 6 Jun
Twan van Noije
Aerosols in EC-Earth
Tue 14 Jun
André Butz (KIT, Karlsruhe)
Toward accurate space-based measurements of CO2 and CH4 by solar backscatter absorption spectroscopy in the shortwave-infrared
Thu 30 Jun

Science Meetings Fall 2010
Speaker Title Date Time
Jos de Laat
Ozone hole monitoring: surprises in 2009 and 2010
Wed 6 Oct
Jacques Claas
OMI Operations at KNMI
Wed 20 Oct
Kazuyuki Miyazaki
Ensemble-based data assimilation of OMI NO2 for global/Asian air quality analysis
Thu 28 Oct
12:15-13:00 Bleeker/Groen Zaal
Achim Strunk
Impact of OMI observations on Near-Surface Nitrogen Oxide Analyses using an Inverse Model System
Tue 2 Nov
Tim Vlemmix
Ground Based Observations of Tropospheric NO2 - Algorithm development and validation
Thu 11 Nov
Frans Alkemade
Use of CARIBIC O3, CO and CH4 observations for evaluation of global chemistry models
Tue 16 Nov
Iliana Genkova
Assimilation of Atmospheric Motion Vectors in the ECMWF model
Fri 26 Nov
Reinout Boers
Results of the EUCAARI project on aerosol - cloud - climate - air quality interactions
Tue 14 Dec

Science Meetings Spring 2010
Speaker Title Date Time
Henk Eskes Ensemble Approach to Air Quality: Why? Thu 7 Jan 12:15-13:00
Vincent Huijnen Forecasting of reactive trace gases as part of the European Atmospheric Environmental Service: system setup and applications. Mon 18 Jan 12:15-13:00
Ruud Dirksen OMI measurements of stratospheric NO2. Tue 9 Feb 12:15-13:00
Pieternel Levelt Irreversible climate change due to carbon dioxide emissions (Literature discussion). Mon 1 Mar 12:15-13:00
Gijs Tilstra GOME-2 Polarisation measurements. (Groenzaal) Tue 9 Mar 12:15-13:00
Patricia Castellanos Analysis of Air Quality with Numerical Simulations (CMAQ), and Observations of Trace Gases Wed 17 Mar 12:15-13:00
Peter van Velthoven An introduction to metrics for climate change. Thu 25 Mar 12:15-13:00
Jos de Laat Solar-powered escalator: the role of radiative heating in stratospheric lofting the Black Saturday bushfire plumes. Wed 31 Mar 12:15-13:00
Wesley Sluis Does the NO2 sonde work? Mon 12 Apr 12:15-13:00
Martijn de Ruijter de Wildt Dynamic speed limits on motor ways, based on medium range smog forecasting. Wed 21 Apr 12:15-13:00
Sander Houweling (SRON/IMAU) Recent variations in the growth-rate of CH4 as detected by SCIAMACHY. Thu 29 Apr 12:15-13:00
Bas Mijling Improving ozone profile retrieval by looking at convergence statistics. Tue 1 Jun 12:15-13:00
Rupert Holzinger (Utrecht University) Reactive organic trace gases in the atmosphere - pollution, emissions from the biosphere, and their role for aerosol formation. Fri 25 Jun 12:15-13:00
Jurrien Knibbe (VU Amsterdam) Cloud trends from FRESCO, 1996-2009 Tue 13 Jul 12:15-13:00

Science Meetings 2009
Speaker Title Date Time
Pieternel Levelt TRAQ: To observe tropospheric composition for a better understanding of air quality (19 MB). Tue 27 Jan 12:15-13:00
Pepijn Veefkind Providing Space-Based Constraints on the Chemical Composition of Aerosols. Fri 6 Feb 12:15-13:00
Erwin Wolters Impact of broken and inhomogeneous clouds on satellite effective radius and cloud-phase retrieval. Tue 12 Feb 12:15-13:00
Jason Williams The Influence of Biogenic Emissions on Tropospheric Composition over Africa during 2006. Tue 24 Feb 12:15-13:00
Jacob van Peet Height resolved ozone hole structure as observed by GOME-2. Thu 12 Mar 12:15-13:00
Marloes Penning de Vries (MPI Mainz) Big Brother is watching - Monitoring of trace gases, clouds, and aerosols from space (17 MB). Mon 16 Mar 15:30-16:30
Nanne Weber Methane emissions from natural wetlands during the last glacial and pre-industrial periods, estimated from climate model simulations. Tue 24 Mar 12:15-13:00
Katrijn Clemer (BIRA/IASB) The retrieval of aerosol extinction vertical profiles from MAXDOAS measurements: algorithm development and application. Wed 1 Apr 12:15-13:00
Tjibbe van der Veen Testing and improving lightning and NOx production in TM5. Wed 15 Apr 15:15-16:00
Johan de Haan Can we use the O2 A band to improve cloud and surface characterization and improve retrieval algorithms? Fri 17 Apr 12:15-13:00
Tim Vlemmix MAX-DOAS observations at KNMI - Aerosol corrected tropospheric NO2 columns above your office. Thu 14 May 13:00-13:45
Michiel van Weele Methane: Mysteries, doom scenarios, unknowns, and basic facts. Tue 19 May 12:15-13:00
Marcel Dobber TROPOMI on the Sentinel-5 Precursor: Mission and instrument description. Thu 28 May 12:45-13:30
Maarten Sneep Clouds from OMI. Wed 17 Jun 12:15-13:00
Marc Allaart Developing an NO2 sonde. Wed 23 Jun 12:15-13:00
Arjan Lampe Evaluation of the Diurnal Cycle of Trace Gases over Beijing as Modelled by Chimere. Wed 1 Jul 12:15-13:00
Christian Frankenberg (SRON) Lower tropospheric HDO/H2O ratios as observed from space and ground. Fri 17 Jul 12:15-13:00
Joke Meijer The Effect of Rotational Raman Scattering on Ozone Profile Retrieval. Wed 2 Sep 12:15-13:00
Geert Vinken Improving modeling of ship NOx emissions in Global Models. Thu 24 Sep 12:15-13:00
Ray Nassar (University of Toronto) CO2 modeling and comparison to TES satellite observations. Tue 29 Sep 12:15-13:00
Jan-Fokke Meirink Observing the diurnal cycle of cloud physical properties over the Sahel. Wed 7 Oct 12:15-13:00
Mark Kroon Ozone Profiles from the Ozone Monitoring Instrument - First Validation and Initial Science Results. Wed 14 Oct 12:15-13:00 (Bleekerzaal)
Deborah Stein-Zweers Using the OMI Aerosol Index to better understand regional aerosol transport. Wed 28 Oct 12:15-13:00 (Bleekerzaal)
Jan Mathijsen (Planbureau voor de Leefomgeving) PM trends in the Netherlands. Mon 16 Nov 12:15-13:00
Folkert Boersma An improved retrieval of tropospheric NO2 from OMI. Thu 26 Nov 12:15-13:00
Reinout Boers Climate Monitoring and KNMI: Lip service to a fundamental government task? Wed 2 Dec 12:15-13:00
Wouter Greuell Evaluation of RACMO top-of-atmosphere fluxes and cloud properties. Thu 10 Dec 12:15-13:00
Ping Wang Surface solar radiation measurement and modeling. Wed 16 Dec 11:45-12:30

Science Meetings 2008
Speaker Title Date Time
Jan Fokke Meirink Constraining atmospheric methane emissions using SCIAMACHY observations. Thu 10 Jan 12:15-13:00
Mark Kroon OMI Total Ozone Column validation and consequences for trend studies. Tue 15 Jan 12:15-13:00
Quintus Kleipool Global surface reflectance derived from 3 years of OMI data. Thu 24 Jan 12:15-13:00
Ronald van der A The scientific use of TEMIS NO2 data. Tue 5 Feb 12:15-13:00
Piet Stammes and Ping Wang Why do we use Lambertian clouds in trace gas retrievals? Tue 12 Feb 12:15-13:00
Henk Eskes Recent developments in air quality modelling. Wed 20 Feb 12:15-13:00
Folkert Boersma Observing NOx air pollution in Israeli cities from the ground and from space. Tue 26 Feb 12:15-13:00
Vincent Huijnen GEMS: the 2003 heatwave and air quality modelling. Wed 19 Mar 12:15-13:00
Roeland van Oss About Earth observations. Wed 10 Apr 11:30-12:15
Alwin Haklander The Brewer-Dobson circulation: interannual variability and climate change. Wed 24 Apr 12:15-13:00
Wouter Gruell Validation of satellite-derived cloud parameters: improvements to the method. Wed 7 May 12:15-13:00
Joris de Vroom The GLOBE spring and autumn aerosol campaigns: results of a new approach. Thu 29 May 12:15-13:00
Ruud Dirksen 3D OMI observations of aerosol plumes released from December 2006 Australian forest fires. Tue 17 Jun 14:30-15:15
Bas Mijling Forecasting and monitoring air quality in China. Tue 15 July 12:15-13:00
Deborah Stein-Zweers LITERATURE: Son et al. [Science, 06-2008]: Southern Hemisphere Atmosphyeric Dynamics. Thu 17 July 12:15-13:00
Geert Vinken Detecting and comparing shipping NOx emissions from space. Mon 25 Aug 12:15-13:00
Gerard Cats Luchtkwaliteit? Luchtvervuiling! Het cynisme van het openbaar bestuur. Fri 12 Sep 12:15-13:00
Jos de Laat Tropospheric O3 column observations from satellites: what have we learned? Thu 18 Sep 12:15-13:00
Piet Stammes Solar radiative forcing by polluted clouds determined from OMI and SCIAMACHY satellite data. Tue 23 Sep 12:15-13:00
Roeland van Oss LITERATURE: Overview of published papers on usage of GOME/SCIA/OMI data. Thu 2 Oct 12:15-13:00
Daniel Spitzer (A-MAPS Environmental/Tradewind) New Source of Air Quality Information: Satellite Air Quality Mapping. Mon 6 Oct 15:30-16:30
Gerd-Jan van Zadelhoff First results from the EUCAARI - IMPACT campaign (17 MB) Thu 30 Oct 12:15-13:00
Lisa Neef Optimizing natural CH4 emissions using isotope and concentration observations. Tue 11 Nov 12:15-13:00
Jennifer Hains Does this AMF make me look fat? Tropospheric NO2 profile shape uncertainties in the DOMINO algorithm. Thu 20 Nov 12:15-13:00
Suzanne Calabretta-Jongen SMOGPROG: toward an operational air quality forecasting for the Netherlands. Tue 25 Nov 12:15-13:00
Ankie Piters UT/LS water vapour from SCIAMACHY. Thu 4 Dec 12:15-13:00
Fred Bosveld The Dutch component of the Integrated Carbon Observation System (ICOS-NL). Tue 9 Dec 13:00-13:45
Twan van Noije Atmospheric chemistry in EC-EARTH. Tue 16 Dec 12:15-13:00
Last updated on 5 July 2010 (Folkert Boersma)