Joachim Urban

2021

Overview and update of the SPARC Data Initiative: comparison of stratospheric composition measurements from satellite limb sounders

2018

The SPARC water vapour assessment II: Comparison of stratospheric and lower mesospheric water vapour time series observed from satellites

2016

Ground-based assessment of the bias and long-term stability of 14 limb and occultation ozone profile data records

2016

Validation of revised methane and nitrous oxide profiles from MIPAS-ENVISAT

2016

Validation of ACE-FTS version 3.5 NO y species profiles using correlative satellite measurements

2016

Sensitivity of polar stratospheric cloud formation to changes in water vapour and temperature

2015

Energetic particle induced intra-seasonal variability of ozone inside the Antarctic polar vortex observed in satellite data

2015

Tomographic retrieval of water vapour and temperature around polar mesospheric clouds using Odin-SMR

2015

Relative drifts and biases between six ozone limb satellite measurements from the last decade

2015

Ionization and NO production in the polar mesosphere during high-speed solar wind streams: model validation and comparison with NO enhancements observed by Odin-SMR

2015

Sensitivity of polar stratospheric cloud formation to changes in water vapour and temperature

2015

Comparison of nitric oxide measurements in the mesosphere and lower thermosphere from ACE-FTS, MIPAS, SCIAMACHY, and SMR

Space shuttle exhaust plumes in the lower thermosphere: Advective transport and diffusive spreading

2014

Unusually strong nitric oxide descent in the Arctic middle atmosphere in early 2013 as observed by Odin/SMR

2014

Another Drop in Water Vapor

2014

Constraints for the photolysis rate and the equilibrium constant of ClO-dimer from airborne and balloon-borne measurements of chlorine compounds

2014

Validation of MIPAS IMK/IAA V5R_O3_224 ozone profiles

2014

Past changes in the vertical distribution of ozone - Part 1: Measurement techniques, uncertainties and availability

2014

The use of SMILES data to study ozone loss in the Arctic winter 2009/2010 and comparison with Odin/SMR data using assimilation techniques

Vertical structure of stratospheric water vapour trends derived from merged satellite data

SPARC Data Initiative: A comparison of ozone climatologies from international satellite limb sounders

Twelve years of Arctic ozone loss observed by the Odin satellite

2013

Diurnal variation of stratospheric and lower mesospheric HOCl, ClO and HO2 at the equator: comparison of 1-D model calculations with measurements by satellite instruments

2013

Assessment of the interannual variability and influence of the QBO and upwelling on tracer-tracer distributions of N2O and O3 in the tropical lower stratosphere

Climatologies of stratospheric short-lived species from Odin/SMR: Methodology for ClO

Characterizing sampling biases in the trace gas climatologies of the SPARC Data Initiative

Odin/SMR Observations of a Particularly Strong Midwinter Stratospheric Sudden Warming in Early 2013

2013

Comparison of SMILES ClO profiles with satellite, balloon-borne and ground-based measurements

2013

Harmonized dataset of ozone profiles from satellite limb and occultation measurements

2013

Response of polar mesosphere summer echoes to geomagnetic disturbances in the Southern and Northern Hemispheres: the importance of nitric oxide

Satellite Sensors Measuring Atmospheric Water Vapour

2013

Observation of horizontal winds in the middle-atmosphere between 30 degrees S and 55 degrees N during the northern winter 2009-2010

2013

Global observations of stratospheric heavy ozone isotopologue enrichment with the Odin Sub-Millimetre Radiometer

2013

Validation of stratospheric and mesospheric ozone observed by SMILES from International Space Station

2013

Odin observations of Antarctic nighttime NO densities in the mesosphere - lower thermosphere and observations of a lower NO layer

2013

SPARC Data Initiative: Comparison of water vapor climatologies from international satellite limb sounders

A worldwide comparison of the best sites for submillimetre astronomy

Overview of the Martian atmospheric submillimetre sounder FIRE

Denitrification and polar stratospheric cloud formation during the Arctic winter 2009/2010 and 2010/2011 in comparison

Worldwide site comparison for submillimetre astronomy

2012

Six years of mesospheric CO estimated from ground-based frequency-switched microwave radiometry at 57° N compared with satellite instruments

Evolution and variability of water vapour in the tropical tropopause and lower stratosphere region derived from satellite measurements

2012

Strato-mesospheric ClO observations by SMILES: error analysis and diurnal variation

2011

Zonal asymmetries in middle atmospheric ozone and water vapour derived from Odin satellite data 2001-2010

2011

Probability density functions of long-lived tracer observations from satellite in the subtropical barrier region: data intercomparison

Site testing for submillimetre astronomy at Dome C, Antarctica

2011

The Level 2 research product algorithms for the Superconducting Submillimeter-Wave Limb-Emission Sounder (SMILES)

2011

A new method to detect long term trends of methane (CH4) and nitrous oxide (N2O) total columns measured within the NDACC ground-based high resolution solar FTIR network

2011

Denitrification and polar stratospheric cloud formation during the Arctic winter 2009/2010

2011

Comparison of HDO measurements from Envisat/MIPAS with observations by Odin/SMR and SCISAT/ACE-FTS

2011

Passive microwave radiometry for atmospheric research and composition monitoring -- A brief overview of past and present spectrum usage

2011

Analysis of HCl and ClO time series in the upper stratosphere using satellite data sets

Atmospheric transmission at Dome C between 0 and 10 THz

Dome C: The best accessible site on Earth for submillimetre astronomy

2010

Descent from the polar mesosphere and anomalously high stratopause observed in 8 years of water vapor and temperature satellite observations by the Odin Sub-Millimeter Radiometer

STEAM retrieval study 2007-2009 - final report

Wintertime water vapour in the polar upper mesosphere and lower thermosphere – first satellite observations by Odin/SMR

PREMIER – Performance Analysis Study - Final report

Diagnosing the permeability of dynamical barriers in the stratosphere from satellite observations of long-lived tracers

2009

Nitric acid in the stratosphere based on Odin observations from 2001 to 2009 – Part 2: High-altitude polar enhancements

2009

Comparison of CMAM simulations of carbon monoxide (CO), nitrous oxide (N2O), and methane (CH4) with observations from Odin/SMR, ACE-FTS, and Aura/MLS

2009

Nitric acid in the stratosphere based on Odin observations from 2001 to 2009 – Part 1: A global climatology

2009

Evolution of stratospheric ozone and water vapour time series studied with satellite measurements

JEM/SMILES observation capability

2009

Evaluation of CLaMS, KASIMA and ECHAM5/MESSy1 simulations in the lower stratosphere using observations of Odin/SMR and ILAS/ILAS-II

HO2 measurements in the stratosphere and the mesosphere from the sub-millimetre limb sounder Odin/SMR

Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE)

Potential of radiotelescopes for atmospheric line observations: I. Observation principles and transmission curves for selected sites

2008

Validation of HNO3, ClONO2 and N2O5 from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS)

2008

Validation of stratospheric water vapour measurements from the airborne microwave radiometer AMSOS

AMATERASU: Model for atmospheric TeraHertz Radiation analysis and simulation

2008

Observations of the mesospheric semi-annual oscillation (MSAO) in water vapour by Odin/SMR

A study of ozone depletion in the 2004/2005 Arctic winter based on data from Odin/SMR and Aura/MLS

Pressure broadening coefficients of the water vapor lines at 556.936 and 752.033 GHz

Tropical ascent of lower stratospheric air analysed using measurements of the Odin Sub-Millimetre Radiometer

2008

CO measurements from the ACE-FTS satellite instrument: data analysis and validation using ground-based, airborne and spaceborne observations

Seasonal cycle of averages of nitrous oxide and ozone in the Northern and Southern Hemisphere polar, midlatitude, and tropical regions derived from ILAS/ILAS-II and Odin/SMR observations

Five-day planetary waves as seen by the Odin satellite and the ground-based Kiruna millimeter wave radiometer in January-March 2005

2008

Validation of ACE-FTS N2O measurements

2008

Odin stratospheric proxy NOy measurements and climatology

Validation of the Aura Microwave Limb Sounder ClO Measurements

2008

Validation of Odin/SMR limb observations of ozone, comparisons with OSIRIS, POAM III, ground-based and balloon-borne intruments

A study of polar ozone depletion based on sequential assimilation of satellite data from the ENVISAT/MIPAS and Odin/SMR instruments

Ozone depletion in the 2006/2007 Arctic winter

Validation of the Aura Microwave Limb Sounder HNO3 Measurements

Global observations of middle atmospheric water vapour by the Odin satellite: An overview.

Validation of the Aura Microwave Limb Sounder middle atmosphere water vapor and nitrous oxide measurements

Intercomparison of ozone profile measurements from ASUR, SCIAMACHY, MIPAS, OSIRIS, and SMR

2007

Validation of nitric acid retrieved by the IMK-IAA processor from MIPAS/ENVISAT measurements

Odin/SMR Limb Observations of Nitric Acid in the Stratosphere

Critical parameters for the retrieval of mesospheric water vapour and temperature from Odin/SMR limb measurements at 557 GHz

Intercomparison of Odin/SMR Ozone measurements with MIPAS and balloon sonde data

Intercomparison of Odin-SMR ozone profiles with ground-based millimetre wave observations in the Arctic, the mid-latitudes, and the tropics

Validation of MIPAS HNO(3) operational data

Stratomesospheric CO measured by a ground-based Fourier Transform Spectrometer over Poker Flat, Alaska: Comparisons with Odin/SMR and a 2-D model

Odin/SMR limb observations of lower stratospheric N2O, ClO, HNO3, and O3 during the Arctic winters 2004-05 and 2005-06

Odin/SMR Limb Observations of Trace Gases in the Polar Lower Stratosphere during 2004-2005

Validation of the Improved Limb Atmospheric Spectrometer-II (ILAS-II) Version 1.4 nitrous oxide and methane profiles

Observation of HDO-18, CH3OH and vibrationally-excited N2O from Odin/SMR measurements

Intercomparisons of trace gases profiles from the Odin/SMR and Aura/MLS limb sounders

Stratospheric Ozone Isotope Enrichment Studied by Sub-Millimeter Wave Heterodyne Radiometry: The Observation Capabilities of SMILES

Nighttime chlorine monoxide observations by the Odin satellite and implications for the ClO/Cl2O2 equilibrium

Evolution of stratospheric ozone during winter 2002/2003 as observed by a ground-based millimetre wave radiometer at Kiruna, Sweden

Odin/SMR limb observations of stratospheric trace gases: Validation of N2O

Polar Vortex Evolution during the 2002 Antarctic Major Warming as Observed by the Odin Satellite

Odin/SMR Limb Observations of Stratospheric Trace Gases: Level 2 Processing of ClO, N2O, O3, and HNO3

Retrieval of vertical constituents and temperature profiles from passive submillimeter wave limb observations of the Martian atmosphere: a feasibility study

Intercomparison of General Purpose Clear Sky Atmospheric Radiative Transfer Models for the Millimeter/submillimeter Spectral Range

Co-located ACE-FTS and Odin/SMR stratospheric-mesospheric CO 2004 measurements and comparison with a GCM

Comparisons of MIPAS/ENVISAT ozone profiles with SMR/ODIN and HALOE/UARS observations

Assimilation of Odin/SMR and O3 and N2O Measurements in a Three-dimensional Chemistry Transport Model

The northern hemisphere stratospheric vortex during the 2002-03 winter: Subsidence, chlorine activation and ozone loss observed by the Odin Sub-Millimetre Radiometer

Odin/SMR Observations of Stratospheric Water Vapour and its Isotopes: Requirements on Spectroscopy

Strato-mesospheric Measurements of Carbon Monoxide with the Odin Sub-millimetre Radiometer: Retrieval and First Results

MOLIERE (v5): A versatile forward- and inversion model for the millimeter and sub-millimeter wavelength range

Odin/SMR global measurements of water vapour and its isotopes in the stratosphere and the mesosphere