List of works - Rigel Kivi

A new algorithm to generate a priori trace gas profiles for the GGG2020 retrieval algorithm

scientific article published in 2023

A scientific algorithm to simultaneously retrieve carbon monoxide and methane from TROPOMI onboard Sentinel-5 Precursor

scientific article

Ability of the 4-D-Var analysis of the GOSAT BESD XCO2 retrievals to characterize atmospheric CO2 at large and synoptic scales

scholarly article

About UV albedo of seasonal snow at Sodankyla including Arctic - Antarctic comparison aspects

Aerosol remote sensing in polar regions

article

Arctic stratospheric dehydration – Part 1: Unprecedented observation of vertical redistribution of water

scholarly article

Arctic stratospheric dehydration – Part 2: Microphysical modeling

scholarly article

Assessing 5 years of GOSAT Proxy XCH4 data and associated uncertainties

Atmospheric comparison of electrochemical cell ozonesondes from different manufacturers, and with different cathode solution strengths: The Balloon Experiment on Standards for Ozonesondes

scientific article published in 2008

Balloon-borne radiation measurements demonstrate radiative forcing by water vapor and clouds

scientific article published in 2020

Bias Correction of the Ratio of Total Column CH4 to CO2 Retrieved from GOSAT Spectra

article by Haruki Oshio et al published 25 September 2020 in Remote Sensing

Bias corrections of GOSAT SWIR XCO 2 and XCH 4 with TCCON data and their evaluation using aircraft measurement data

article

Bias corrections of GOSAT SWIR XCO2 and XCH4 with TCCON data and their evaluation using aircraft measurement data

article

Biomass Burning Aerosols Observed in Northern Finland during the 2010 Wildfires in Russia

scholarly article by Tero Mielonen et al published 28 February 2013 in Atmosphere

Brewer spectrometer total ozone column measurements in Sodankylä

COVID-19 Crisis Reduces Free Tropospheric Ozone Across the Northern Hemisphere

scientific article published on 16 March 2021

Carbon dioxide retrieval from OCO-2 satellite observations using the RemoTeC algorithm and validation with TCCON measurements

scholarly article by Lianghai Wu et al published 30 May 2018 in Atmospheric Measurement Techniques

Carbon dioxide retrieval from OCO-2 satellite observations using the RemoTeC algorithm and validation with TCCON measurements

Climate change favours large seasonal loss of Arctic ozone

scientific article published on 23 June 2021

Comparison of XH2O Retrieved from GOSAT Short-Wavelength Infrared Spectra with Observations from the TCCON Network

Comparison of operational satellite SO2 products with ground-based observations in northern Finland during the Icelandic Holuhraun fissure eruption

scholarly article by Iolanda Ialongo et al published 3 June 2015 in Atmospheric Measurement Techniques

Comparisons of the Orbiting Carbon Observatory-2 (OCO-2) XCO2 measurements with TCCON

scholarly article by Debra Wunch et al published 13 June 2017 in Atmospheric Measurement Techniques

Consistent regional fluxes of CH4 and CO2 inferred from GOSAT proxy XCH4 : XCO2 retrievals, 2010–2014

scholarly article

Consistent satellite XCO2 retrievals from SCIAMACHY and GOSAT using the BESD algorithm

Contributions of the troposphere and stratosphere to CH4 model biases

scholarly article

Correction: Dupuy, E., et al. Comparison of XH2O Retrieved from GOSAT Short-Wavelength Infrared Spectra with Observations from the TCCON Network. Remote Sens. 2016, 8, 414

Corrigendum to "Tropospheric ozone from IASI: comparison of different inversion algorithms and validation with ozone sondes in the northern middle latitudes" published in Atmos. Chem. Phys., 9, 9329–9347, doi:10.5194/acp-9-9329-2009, 2009

scholarly article

Derivation of tropospheric methane from TCCON CH4 and HF total column observations

scholarly article by K. M. Saad et al published 10 September 2014 in Atmospheric Measurement Techniques

Does GOSAT capture the true seasonal cycle of carbon dioxide?

scholarly article

EOF-based regression algorithm for the fast retrieval of atmospheric CO 2 total column amount from the GOSAT observations

Elevated uptake of CO2 over Europe inferred from GOSAT XCO2 retrievals: a real phenomenon or an artefact of the analysis?

scientific article

Ensemble-based satellite-derived carbon dioxide and methane column-averaged dry-air mole fraction data sets (2003–2018) for carbon and climate applications

scientific article published in 2020

Estimates of European uptake of CO2 inferred from GOSAT XCO2 retrievals: sensitivity to measurement bias inside and outside Europe

scholarly article

Evaluating GPP and Respiration Estimates Over Northern Midlatitude Ecosystems Using Solar-Induced Fluorescence and Atmospheric CO2 Measurements

article

Evaluation and Analysis of the Seasonal Cycle and Variability of the Trend from GOSAT Methane Retrievals

Evaluation of MOPITT Version 7 joint TIR–NIR XCO retrievals with TCCON

scientific article

Evaluation of column-averaged methane in models and TCCON with a focus on the stratosphere

First data set of H2O/HDO columns from the Tropospheric Monitoring Instrument (TROPOMI)

scientific article

Forecasting global atmospheric CO 2

Forecasting global atmospheric CO2

scholarly article

Formation of solid particles in synoptic-scale Arctic PSCs in early winter 2002/2003

scientific article

Fourier transform spectrometer measurements of column CO2 at Sodankylä, Finland

scholarly article by Rigel Kivi published in July 2016

Global land mapping of satellite-observed CO2 total columns using spatio-temporal geostatistics

Global methane emission estimates for 2000–2012 from CarbonTracker Europe-CH4 v1.0

article

Global nature run data with realistic high-resolution carbon weather for the year of the Paris Agreement

scientific article published in 2022

Improved retrievals of carbon dioxide from Orbiting Carbon Observatory-2 with the version 8 ACOS algorithm

scholarly article by Christopher W. O'Dell et al published 11 December 2018 in Atmospheric Measurement Techniques

Improving the TROPOMI CO data product: update of the spectroscopic database and destriping of single orbits

scientific article

International Arctic Systems for Observing the Atmosphere: An International Polar Year Legacy Consortium

Interpretation of ozone measurements by ground-based visible spectroscopy—a study of the seasonal dependence of airmass factors for ozone based on climatology data

Investigating stratospheric circulation and chemistry changes over three decades with trace gas data from aircraft, large balloons, and AirCores

scientific article

Linking uncertainty in simulated Arctic ozone loss to uncertainties in modelled tropical stratospheric water vapour

scholarly article

Methane retrieved from TROPOMI: improvement of the data product and validation of the first two years of measurements

Methods to homogenize electrochemical concentration cell (ECC) ozonesonde measurements across changes in sensing solution concentration or ozonesonde manufacturer

Model – TCCON comparisons of column-averaged methane with a focus on the stratosphere

article

Nitric acid trihydrate nucleation and denitrification in the Arctic stratosphere

scholarly article

Nitrous Oxide Profiling from Infrared Radiances (NOPIR): Algorithm Description, Application to 10 Years of IASI Observations and Quality Assessment

scientific article published in 2022

Nuclear contamination sources in surface air of Finnish Lapland in 1965-2011 studied by means of 137Cs, 90Sr, and total beta activity

scientific article published on 24 May 2019

Ozone Proﬁle Retrieval from nadir TROPOMI measurements in the UV range

Ozone measurements during the Airborne Polar Experiment: Aircraft instrument validation, isentropic trends, and hemispheric fields prior to the 1997 Arctic ozone depletion

scholarly article

Ozone profiles above Kiruna from two ground-based radiometers

Ozone trends at northern mid- and high latitudes – a European perspective

scholarly article by Neil Harris et al published 28 May 2008 in Annales Geophysicae

Ozonesonde Quality Assurance: The JOSIE-SHADOZ (2017) Experience

scientific article published on 01 January 2019

Ozonesonde observations in the Arctic during 1989–2003: Ozone variability and trends in the lower stratosphere and free troposphere

scholarly article

Quantifying the value of redundant measurements at GCOS Reference Upper-Air Network sites

Radiocarbon analysis of stratospheric CO2 retrieved from AirCore sampling

Reconciliation of essential process parameters for an enhanced predictability of Arctic stratospheric ozone loss and its climate interactions (RECONCILE): activities and results

scholarly article

Reference quality upper-air measurements: GRUAN data processing for the Vaisala RS92 radiosonde

scholarly article by R. J. Dirksen et al published 18 December 2014 in Atmospheric Measurement Techniques

Retrieval of atmospheric CH4profiles from Fourier transform infrared data using dimension reduction and MCMC

Retrieval of water vapor vertical distributions in the upper troposphere and the lower stratosphere from SCIAMACHY limb measurements

Round-robin evaluation of nadir ozone profile retrievals: methodology and application to MetOp-A GOME-2

scholarly article by A. Keppens et al published 20 May 2015 in Atmospheric Measurement Techniques

Satellite-inferred European carbon sink larger than expected

scholarly article

Spectral albedo of seasonal snow during intensive melt period at Sodankylä, beyond the Arctic Circle

scholarly article

Spectral sizing of a coarse-spectral-resolution satellite sensor for XCO2

scientific article

Stratospheric Air Sub-sampler (SAS) and its application to analysis of Δ17O(CO2) from small air samples collected with an AirCore

Study of the footprints of short-term variation in XCO2 observed by TCCON sites using NIES and FLEXPART atmospheric transport models

Study of the footprints of short-term variation in XCO2 observed by TCCON sites using NIES and FLEXPART atmospheric transport models

scholarly article

Supplementary material to "Development of CarbonTracker Europe-CH4 – Part 2: global methane emission estimates and their evaluation for 2000–2012"

scientific article published on 19 August 2016

Supplementary material to "Ozone Proﬁle Retrieval from nadir TROPOMI measurements in the UV range"

Synergetic use of IASI profile and TROPOMI total-column level 2 methane retrieval products

scientific article published in 2022

TOPAS ozone profile retrieval from TROPOMI L1B version 2 dataset

TROPOMI–Sentinel-5 Precursor formaldehyde validation using an extensive network of ground-based Fourier-transform infrared stations

scientific article published on 10 July 2020

The fingerprint of the summer 2018 drought in Europe on ground-based atmospheric CO2 measurements

scientific article published on 07 September 2020

The imprint of stratospheric transport on column-averaged methane

The water vapour distribution in the Arctic lowermost stratosphere during the LAUTLOS campaign and related transport processes including stratosphere-troposphere exchange

Total ozone loss during the 2019/20 Arctic winter and comparison to previous years

scientific article

Trends and annual cycles in soundings of Arctic tropospheric ozone

scholarly article

Trends and annual cycles in soundings of Arctic tropospheric ozone

Unprecedented Arctic ozone loss in 2011.

scientific article

Using XCO 2 retrievals for assessing the long-term consistency of NDACC/FTIR data sets

Using XCO2 retrievals for assessing the long-term consistency of NDACC/FTIR data sets

Validation of 10-year SAO OMI Ozone Profile (PROFOZ) product using ozonesonde observations

Validation of Aura Microwave Limb Sounder water vapor by balloon-borne Cryogenic Frost point Hygrometer measurements

scholarly article

Validation of Carbon Trace Gas Profile Retrievals from the NOAA-Unique Combined Atmospheric Processing System for the Cross-Track Infrared Sounder

Validation of GOSAT SWIR XCO 2 and XCH 4 Retrieved by PPDF-S Method and Comparison with Full Physics Method

Validation of methane and carbon monoxide from Sentinel-5 Precursor using TCCON and NDACC-IRWG stations

scientific article published on 28 September 2021

Variability of water vapour in the Arctic stratosphere

scholarly article

Vortex-averaged Arctic ozone depletion in the winter 2002/2003

scholarly article

Wildfire smoke in the lower stratosphere identified by in situ CO observations

scientific article published in 2020

List of works by Rigel Kivi

A new algorithm to generate a priori trace gas profiles for the GGG2020 retrieval algorithm

A scientific algorithm to simultaneously retrieve carbon monoxide and methane from TROPOMI onboard Sentinel-5 Precursor

Ability of the 4-D-Var analysis of the GOSAT BESD XCO<sub>2</sub> retrievals to characterize atmospheric CO<sub>2</sub> at large and synoptic scales

About UV albedo of seasonal snow at Sodankyla including Arctic - Antarctic comparison aspects

Aerosol remote sensing in polar regions

Arctic stratospheric dehydration – Part 1: Unprecedented observation of vertical redistribution of water

Arctic stratospheric dehydration – Part 2: Microphysical modeling

Assessing 5 years of GOSAT Proxy XCH<sub>4</sub> data and associated uncertainties

Atmospheric comparison of electrochemical cell ozonesondes from different manufacturers, and with different cathode solution strengths: The Balloon Experiment on Standards for Ozonesondes

Balloon-borne radiation measurements demonstrate radiative forcing by water vapor and clouds

Bias Correction of the Ratio of Total Column CH4 to CO2 Retrieved from GOSAT Spectra

Bias corrections of GOSAT SWIR XCO 2 and XCH 4 with TCCON data and their evaluation using aircraft measurement data

Bias corrections of GOSAT SWIR XCO<sub>2</sub> and XCH<sub>4</sub> with TCCON data and their evaluation using aircraft measurement data

Biomass Burning Aerosols Observed in Northern Finland during the 2010 Wildfires in Russia

Brewer spectrometer total ozone column measurements in Sodankylä

COVID-19 Crisis Reduces Free Tropospheric Ozone Across the Northern Hemisphere

Carbon dioxide retrieval from OCO-2 satellite observations using the RemoTeC algorithm and validation with TCCON measurements

Carbon dioxide retrieval from OCO-2 satellite observations using the RemoTeC algorithm and validation with TCCON measurements

Climate change favours large seasonal loss of Arctic ozone

Comparison of XH2O Retrieved from GOSAT Short-Wavelength Infrared Spectra with Observations from the TCCON Network

Comparison of operational satellite SO<sub>2</sub> products with ground-based observations in northern Finland during the Icelandic Holuhraun fissure eruption

Comparisons of the Orbiting Carbon Observatory-2 (OCO-2) XCO2 measurements with TCCON

Consistent regional fluxes of CH<sub>4</sub> and CO<sub>2</sub> inferred from GOSAT proxy XCH<sub>4</sub> : XCO<sub>2</sub> retrievals, 2010–2014

Consistent satellite XCO<sub>2</sub> retrievals from SCIAMACHY and GOSAT using the BESD algorithm

Contributions of the troposphere and stratosphere to CH<sub>4</sub> model biases

Correction: Dupuy, E., et al. Comparison of XH2O Retrieved from GOSAT Short-Wavelength Infrared Spectra with Observations from the TCCON Network. Remote Sens. 2016, 8, 414

Corrigendum to "Tropospheric ozone from IASI: comparison of different inversion algorithms and validation with ozone sondes in the northern middle latitudes" published in Atmos. Chem. Phys., 9, 9329–9347, doi:10.5194/acp-9-9329-2009, 2009

Derivation of tropospheric methane from TCCON CH<sub>4</sub> and HF total column observations

Does GOSAT capture the true seasonal cycle of carbon dioxide?

EOF-based regression algorithm for the fast retrieval of atmospheric CO 2 total column amount from the GOSAT observations

Elevated uptake of CO<sub>2</sub> over Europe inferred from GOSAT X<sub>CO<sub>2</sub></sub> retrievals: a real phenomenon or an artefact of the analysis?

Ensemble-based satellite-derived carbon dioxide and methane column-averaged dry-air mole fraction data sets (2003–2018) for carbon and climate applications

Estimates of European uptake of CO2 inferred from GOSAT XCO2 retrievals: sensitivity to measurement bias inside and outside Europe

Evaluating GPP and Respiration Estimates Over Northern Midlatitude Ecosystems Using Solar-Induced Fluorescence and Atmospheric CO2 Measurements

Evaluation and Analysis of the Seasonal Cycle and Variability of the Trend from GOSAT Methane Retrievals

Evaluation of MOPITT Version 7 joint TIR–NIR X<sub>CO</sub> retrievals with TCCON

Evaluation of column-averaged methane in models and TCCON with a focus on the stratosphere

First data set of H<sub>2</sub>O/HDO columns from the Tropospheric Monitoring Instrument (TROPOMI)

Forecasting global atmospheric CO 2

Forecasting global atmospheric CO<sub>2</sub>

Formation of solid particles in synoptic-scale Arctic PSCs in early winter 2002/2003

Fourier transform spectrometer measurements of column CO<sub>2</sub> at Sodankylä, Finland

Global land mapping of satellite-observed CO2 total columns using spatio-temporal geostatistics

Global methane emission estimates for 2000–2012 from CarbonTracker Europe-CH<sub>4</sub> v1.0

Global nature run data with realistic high-resolution carbon weather for the year of the Paris Agreement

Improved retrievals of carbon dioxide from Orbiting Carbon Observatory-2 with the version 8 ACOS algorithm

Improving the TROPOMI CO data product: update of the spectroscopic database and destriping of single orbits

International Arctic Systems for Observing the Atmosphere: An International Polar Year Legacy Consortium

Interpretation of ozone measurements by ground-based visible spectroscopy—a study of the seasonal dependence of airmass factors for ozone based on climatology data

Investigating stratospheric circulation and chemistry changes over three decades with trace gas data from aircraft, large balloons, and AirCores

Linking uncertainty in simulated Arctic ozone loss to uncertainties in modelled tropical stratospheric water vapour

Methane retrieved from TROPOMI: improvement of the data product and validation of the first two years of measurements

Methods to homogenize electrochemical concentration cell (ECC) ozonesonde measurements across changes in sensing solution concentration or ozonesonde manufacturer

Model – TCCON comparisons of column-averaged methane with a focus on the stratosphere

Nitric acid trihydrate nucleation and denitrification in the Arctic stratosphere

Nitrous Oxide Profiling from Infrared Radiances (NOPIR): Algorithm Description, Application to 10 Years of IASI Observations and Quality Assessment

Nuclear contamination sources in surface air of Finnish Lapland in 1965-2011 studied by means of 137Cs, 90Sr, and total beta activity

Ozone Proﬁle Retrieval from nadir TROPOMI measurements in the UV range

Ozone measurements during the Airborne Polar Experiment: Aircraft instrument validation, isentropic trends, and hemispheric fields prior to the 1997 Arctic ozone depletion

Ozone profiles above Kiruna from two ground-based radiometers

Ozone trends at northern mid- and high latitudes – a European perspective

Ozonesonde Quality Assurance: The JOSIE-SHADOZ (2017) Experience

Ozonesonde observations in the Arctic during 1989–2003: Ozone variability and trends in the lower stratosphere and free troposphere

Quantifying the value of redundant measurements at GCOS Reference Upper-Air Network sites

Radiocarbon analysis of stratospheric CO<sub>2</sub> retrieved from AirCore sampling

Reconciliation of essential process parameters for an enhanced predictability of Arctic stratospheric ozone loss and its climate interactions (RECONCILE): activities and results

Reference quality upper-air measurements: GRUAN data processing for the Vaisala RS92 radiosonde

Retrieval of atmospheric CH4profiles from Fourier transform infrared data using dimension reduction and MCMC

Retrieval of water vapor vertical distributions in the upper troposphere and the lower stratosphere from SCIAMACHY limb measurements

Round-robin evaluation of nadir ozone profile retrievals: methodology and application to MetOp-A GOME-2

Round-robin evaluation of nadir ozone profile retrievals: methodology and application to MetOp-A GOME-2

Satellite-inferred European carbon sink larger than expected

Spectral albedo of seasonal snow during intensive melt period at Sodankylä, beyond the Arctic Circle

Spectral sizing of a coarse-spectral-resolution satellite sensor for XCO<sub>2</sub>

Stratospheric Air Sub-sampler (SAS) and its application to analysis of Δ<sup>17</sup>O(CO<sub>2</sub>) from small air samples collected with an AirCore

Study of the footprints of short-term variation in XCO2 observed by TCCON sites using NIES and FLEXPART atmospheric transport models

Study of the footprints of short-term variation in XCO<sub>2</sub> observed by TCCON sites using NIES and FLEXPART atmospheric transport models

Supplementary material to "Development of CarbonTracker Europe-CH&lt;sub&gt;4&lt;/sub&gt; – Part 2: global methane emission estimates and their evaluation for 2000–2012"

Supplementary material to "Ozone Proﬁle Retrieval from nadir TROPOMI measurements in the UV range"

Consistent regional fluxes of CH<sub>4</sub> and CO<sub>2</sub> inferred from GOSAT proxy XCH<sub>4</sub> : XCO<sub>2</sub> retrievals, 2010–2014

Supplementary material to "Development of CarbonTracker Europe-CH<sub>4</sub> – Part 2: global methane emission estimates and their evaluation for 2000–2012"