West Europe from space stock photo

Our People

Professor Paul Palmer

NCEO Science Director
EO Data-Model Evaluation

Research interests

Atmospheric chemistry, carbon cycle science, inverse modelling, satellite remote sensing.

Recent publications

Coordinated Geostationary, Multispectral Satellite Observations Are Critical for Climate and Air Quality Progress. 2024-10

Greenhouse gas column observations from a portable spectrometer in Uganda. 2024-09-30

Verifying national inventory-based combustion emissions of CO2 across the UK and mainland Europe using satellite observations of atmospheric CO and CO2. 2024-09-26

Enhanced Carbon Flux Response to Atmospheric Aridity and Water Storage Deficit During the 2015–2016 El Niño Compromised Carbon Balance Recovery in Tropical South America. 2024-08

Strong relation between atmospheric CO2 growth rate and terrestrial water storage in tropical forests on interannual timescales. 2024-07-18

Chlorine photochemistry in the Mars Planetary Climate Model . 2024-07-03

Haze Optical Depth in Exoplanet Atmospheres Varies with Rotation Rate: Implications for Observations. 2024-07-03

Observed seasonal changes in Martian hydrogen chloride explained by heterogeneous chemistry. 2024-07-03

Impact of electric and clean-fuel vehicles on future PM2.5 and ozone pollution over Delhi. 2024-07-01

Observed seasonal changes in Martian hydrogen chloride explained by heterogeneous chemistry. 2024-07

Modelling resource-driven movements of livestock herds to predict the impact of climate change on network dynamics. 2024-05-13

Machine learning as an ultra-fast alternative to Bayesian retrievals. 2024-05-02

Uncertainties from biomass burning aerosols in air quality models obscure public health impacts in Southeast Asia. 2024-03-25

Verifying national inventory-based combustion emissions of CO2 across the UK and mainland Europe using satellite observations of atmospheric CO and CO2. 2024-03-12

GEMINI-UK: a new UK network of ground-based greenhouse gas observing spectrometers to help track progress towards net-zero targets. 2024-03-09

Estimating Hourly Nitrogen Oxide Emissions Across Asia Using Data from the GEMS Geostationary Satellite. 2024-03-08

Impacts of Air Pollutant Emissions on Solar Energy Generation. 2024-03-08

Haze Optical Depth in Exoplanet Atmospheres Varies with Rotation Rate: Implications for Observations. 2024-03-01

Improved definition of prior uncertainties in CO2 and CO fossil fuel fluxes and the impact on a multi-species inversion with GEOS-Chem (v12.5). 2024-01-26

Supplementary material to “Improved definition of prior uncertainties in CO2 and CO fossil fuel fluxes and the impact on a multi-species inversion with GEOS-Chem (v12.5)”. 2024-01-26

FlopPITy: Enabling self-consistent exoplanet atmospheric retrievals with machine learning. 2024-01

Assumptions about prior fossil fuel inventories impact our ability to estimate posterior net CO2 fluxes that are needed for verifying national inventories. 2023-12-01

Greenhouse gas column observations from a portable spectrometer in Uganda. 2023-11-28

A simplified non-linear chemistry transport model for analyzing NO2 column observations: STILT–NOx. 2023-11-01

Decadal decrease in Los Angeles methane emissions is much smaller than bottom-up estimates. 2023-09-02

Uncertainties from biomass burning aerosols in air quality models obscure public health impacts in Southeast Asia. 2023-08-04

Atmospheric Methane: Comparison Between Methane’s Record in 2006–2022 and During Glacial Terminations. 2023-08

Atmospheric data support a multi-decadal shift in the global methane budget towards natural tropical emissions. 2023-07-28

Satellite data reveal how Sudd wetland dynamics are linked with globally-significant methane emissions. 2023-07-01

Atmospheric methane: Comparison between methane’s record in 2006-2022 and during glacial terminations.. 2023-06-08

Mapping Water Levels across a Region of the Cuvette Centrale Peatland Complex. 2023-06

A simplified non-linear chemistry-transport model for analyzing NO2 column observations. 2023-05-15

Impacts of prescribed fossil fuel CO2 emissions on subnational level inverse flux estimates. 2023-05-15

Martian atmospheric chemistry of HCl: implications for the lifetime of atmospheric methane. 2023-05-15

Stratospheric dayside-to-nightside circulation responsible for nightside ozone hotspots on tidally-locked exoplanets. 2023-05-15

Supplementary material to “A simplified non-linear chemistry-transport model for analyzing NO2 column observations”. 2023-05-15

Methane emissions are predominantly responsible for record-breaking atmospheric methane growth rates in 2020 and 2021. 2023-04-25

Traveling Planetary-scale Waves Cause Cloud Variability on Tidally Locked Aquaplanets. 2023-04-01

Drivers and impacts of Eastern African rainfall variability. 2023-03-21

Atmospheric methane: Comparison between methane’s record in 2006-2022 and during glacial terminations.. 2023-02-20

Theoretical assessment of the ability of the MicroCarb satellite city-scan observing mode to estimate urban CO2 emissions. 2023-01-30

Role of space station instruments for improving tropical carbon flux estimates using atmospheric data. 2022-11-20

Towards sector-based attribution using intra-city variations in satellite-based emission ratios between CO2 and CO. 2022-11-16

Theoretical assessment of the ability of the MicroCarb satellite city-scan observing mode to estimate urban CO2 emissions. 2022-09-08

Atmospheric data support a multi-decadal shift in the global methane budget towards natural tropical emissions. 2022-09-02

Supplementary material to "What determines peat swamp vegetation type in the Central Congo Basin?". 2022-07-08

What determines peat swamp vegetation type in the Central Congo Basin?. 2022-07-08

Methane emissions responsible for record-breaking atmospheric methane growth rates in 2020 and 2021. 2022-06-17

Longitudinally Asymmetric Stratospheric Oscillation on a Tidally Locked Exoplanet. 2022-05-01

Quantifying the impact of traffic emissions on PM2.5 over Delhi during the post-monsoon season. 2022-03-28

Reply to: On the role of atmospheric model transport uncertainty in estimating the Chinese land carbon sink. 2022-03-17

Reply to: The size of the land carbon sink in China. 2022-03-17

Tropical methane emissions explain large fraction of recent changes in global atmospheric methane growth rate. 2022-03-16

Automated detection of atmospheric NO<sub>2</sub> plumes from satellite data: a tool to help infer anthropogenic combustion emissions. 2022-02-09

Nocturnal survival of isoprene linked to formation of upper tropospheric organic aerosol. 2022-02-04

Phenology is the dominant control of methane emissions in a tropical non-forested wetland. 2022-01-10

Supplementary material to “Towards sector-based attribution using intra-city variations in satellite-based emission ratios between CO2 and CO”. 2022-01-04

Towards sector-based attribution using intra-city variations in satellite-based emission ratios between CO2 and CO. 2022-01-04

The added value of satellite observations of methane forunderstanding the contemporary methane budget. 2021-11-15

Understanding the influence of combustion on atmospheric CO<sub>2</sub> over Europe by using satellite observations of CO<sub>2</sub> and reactive trace gases. 2021-10-01

Automated detection of atmospheric NO<sub>2</sub> plumes from satellite data: a tool to help infer anthropogenic combustion emissions. 2021-08-20

Seasonal distribution and drivers of surface fine particulate matter and organic aerosol over the Indo-Gangetic Plain. 2021-07-20

Organic chemistry influences the observed seasonal cycle of molecular oxygen on Mars. 2021-06

Organic chemistry influences the observed seasonal cycle of molecular oxygen on Mars. 2021-06

Organic chemistry influences the observed seasonal cycle of molecular oxygen on Mars. 2021-06

Organic chemistry influences the observed seasonal cycle of molecular oxygen on Mars. 2021-06

Contrasting Observed Atmospheric Responses to Tropical Sea Surface Temperature Warming Patterns. 2021-04-16

Greenhouse gas column observations from a portable spectrometer in Uganda. 2021-03-04

The Arctic Carbon Cycle and Its Response to Changing Climate. 2021-03

Photochemical environment over Southeast Asia primed for hazardous ozone levels with influx of nitrogen oxides from seasonal biomass burning. 2021-02-10

Seasonal distribution and drivers of surface fine particulate matterand organic aerosol over the Indo-Gangetic Plain. 2021-02-04

Rain-fed pulses of methane from East Africa during 2018–2019 contributed to atmospheric growth rate. 2021-02-01

UK surface NO2 levels dropped by 42 % during the COVID-19 lockdown: impact on surface O3. 2020-12-18

Publisher Correction: Large Chinese land carbon sink estimated from atmospheric carbon dioxide data. 2020-12-10

Large Chinese land carbon sink estimated from atmospheric carbon dioxide data. 2020-10-29

Model bias in simulating major chemical components of PM<sub>2.5</sub> in China. 2020-10-28

Photochemical environment over Southeast Asia primed for hazardous ozone levels with influx of nitrogen oxides from seasonal biomass burning. 2020-09-15

Supplementary material to “UK surface NO2 levels dropped by 42 % during the COVID-19 lockdown: impact on surface O3”. 2020-08-18

UK surface NO2 levels dropped by 42 % during the COVID-19 lockdown: impact on surface O3. 2020-08-18

Photochemistry of Methane and Ethane in the Martian Atmosphere. 2020-06

Photochemistry of Methane and Ethane in the Martian Atmosphere. 2020-05-26

Model bias in simulating major chemical components of PM<sub>2.5</sub> in China. 2020-05-04

Supplementary material to "Model bias in simulating major chemical components of PM<sub>2.5</sub> in China". 2020-05-04

Observed and CMIP5‐Simulated Radiative Flux Variability Over West Africa. 2020-05

A new space-borne perspective of crop productivity variations over the US Corn Belt. 2020-03-23

Characterizing two distinct biomass burning regimes over Southeast Asia and their impacts on regional air quality. 2020-03-23

The distribution and trends in Chinese methane emissions, 2010-2017. 2020-03-23

Water Constraint is Limiting Global Gross Primary Productivity. 2020-03-23

What drives seasonal variations of organic aerosol over the Indo Gangetic Plain?. 2020-03-23

Ozone chemistry on tidally locked M dwarf planets. 2020-02-21

On the Photochemistry of Methane and Ethane in the Martian Atmosphere: Towards Indirect Detection of Methane Emissions. 2019-12-15

An increase in methane emissions from tropical Africa between 2010 and 2016 inferred from satellite data. 2019-12-11

Net carbon emissions from African biosphere dominate pan-tropical atmospheric CO2 signal. 2019-08-13

Assessing London CO<sub>2</sub>, CH<sub>4</sub> and CO emissions using aircraft measurements and dispersion modelling. 2019-07-12

An increase in methane emissions from tropical Africa between 2010 and 2016 inferred from satellite data. 2019-06-26

Potential improvements in global carbon flux estimates from a network of laser heterodyne radiometer measurements of column carbon dioxide. 2019-05-02

Country-scale greenhouse gas budgets using shipborne measurements: a case study for the UK and Ireland. 2019-03-11

Detecting changes in Arctic methane emissions: limitations of the inter-polar difference of atmospheric mole fractions. 2018-12-17

The role of satellite observations in understanding the impact of El Niño on the carbon cycle: current capabilities and future opportunities. 2018-11-19

Assessing London CO<sub>2</sub>, CH<sub>4</sub> and CO emissions using aircraft measurements and dispersion modelling. 2018-10-15

Supplementary material to "Assessing London CO<sub>2</sub>, CH<sub>4</sub> and CO emissions using aircraft measurements and dispersion modelling". 2018-10-15

Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements. 2018-10-15

Country-scale greenhouse gases budgets using shipborne measurements: a case study for the United Kingdom and Ireland. 2018-10-01

GreenHouse gas Observations of the Stratosphere and Troposphere (GHOST): an airborne shortwave-infrared spectrometer for remote sensing of greenhouse gases. 2018-09-12

Quantifying the vertical transport of CHBr<sub>3</sub> and CH<sub>2</sub>Br<sub>2</sub> over the western Pacific. 2018-09-12

A measurement-based verification framework for UK greenhouse gas emissions: an overview of the Greenhouse gAs Uk and Global Emissions (GAUGE) project. 2018-08-17

Response to reviewer comments. 2018-06-15

Integrated response to both reviewer comments. 2018-06-01

Which processes drive observed variations of HCHO columns over India?. 2018-04-05

Potential improvements in global carbon flux estimates from a network of laser heterodyne radiometer measurements of column carbon dioxide. 2018-04-03

A measurement-based verification framework for UK greenhouse gas emissions: an overview of the Greenhouse gAs Uk and Global Emissions (GAUGE) project. 2018-02-16

GreenHouse gas Observations of the Stratosphere and Troposphere (GHOST): an airborne shortwave infrared spectrometer for remote sensing of greenhouse gases. 2018-01-10

Detecting changes in Arctic methane emissions: limitations of the inter-polar difference of atmospheric mole fractions. 2018-01-08

Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements. 2017-12-11

Which processes drive observed variations of HCHO columns over India?. 2017-11-22

Characterising energy budget variability at a Sahelian site: a test of NWP model behaviour. 2017-08-30

Atmospheric Habitable Zones in Y Dwarf Atmospheres. 2017

COORDINATED AIRBORNE STUDIES IN THE TROPICS (CAST). 2017

Characterizing energy budget variability at a Sahelian site: a test of NWP model behaviour. 2017

Consistent regional fluxes of CH4 and CO2 inferred from GOSAT proxy XCH4 : XCO2 retrievals, 2010-2014. 2017

Sensitivity of formaldehyde (HCHO) column measurements from a geostationary satellite to temporal variation of the air mass factor in East Asia. 2017

Tropospheric emissions: Monitoring of pollution (TEMPO). 2017

Quantifying the vertical transport of CHBr<sub>3</sub> and CH<sub>2</sub>Br<sub>2</sub> over the Western Pacific. 2016-11-29

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. 2016-10-24

Sensitivity of formaldehyde (HCHO) column measurements from a geostationary satellite to aerosol temporal variation in East Asia. 2016-10-05

Increasing boreal wetland emissions inferred from reductions in atmospheric CH<sub>4</sub> seasonal cycle. 2016-09-05

Can simple models predict large scale surface ocean isoprene concentrations?. 2016-06-22

Supplementary material to "Can simple models predict large scale surface ocean isoprene concentrations?". 2016-06-22

Applying Occam’s razor to global agricultural land use change. 2016

CH4 concentrations over the Amazon from GOSAT consistent with in situ vertical profile data. 2016

Can simple models predict large-scale surface ocean isoprene concentrations?. 2016

Estimates of European uptake of CO2 inferred from GOSAT X-CO2 retrievals: sensitivity to measurement bias inside and outside Europe. 2016

Impact of biomass burning emission on total peroxy nitrates: fire plume identification during the BORTAS campaign. 2016

Production of peroxy nitrates in boreal biomass burning plumes over Canada during the BORTAS campaign. 2016

Reduced Arctic air pollution due to decreasing European and North American emissions. 2016

The development and evaluation of airborne in situ N2O and CH4 sampling using a quantum cascade laser absorption spectrometer (QCLAS). 2016

Assessing 5 years of GOSAT Proxy XCH<sub>4</sub> data and associated uncertainties. 2015-06-17

Analysis of CO<sub>2</sub> mole fraction data: first evidence of large-scale changes in CO<sub>2</sub> uptake at high northern latitudes. 2015-03-10

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?. 2015-01-21

An intercomparison of inverse models for estimating sources and sinks of CO2 using GOSAT measurements. 2015

Analysis of CO2 mole fraction data: first evidence of large-scale changes in CO2 uptake at high northern latitudes. 2015

Assessing 5 years of GOSAT Proxy XCH4 data and associated uncertainties. 2015

Climatology and atmospheric chemistry of the non-methane hydrocarbons ethane and propane over the North Atlantic. 2015

Does GOSAT capture the true seasonal cycle of carbon dioxide?. 2015

Properties and evolution of biomass burning organic aerosol from Canadian boreal forest fires. 2015

Quantifying pyroconvective injection heights using observations of fire energy: sensitivity of spaceborne observations of carbon monoxide. 2015

Quantifying pyroconvective injection heights using observations of fire energy: sensitivity of space-borne observations of carbon monoxide. 2014-09-03

Estimating regional fluxes of CO<sub>2</sub> and CH<sub>4</sub> using space-borne observations of XCH<sub>4</sub> : XCO<sub>2</sub>. 2014-06-17

Origin, variability and age of biomass burning plumes intercepted during BORTAS-B. 2014-03-31

A case study of aerosol depletion in a biomass burning plume over Eastern Canada during the 2011 BORTAS field experiment. 2014-02-06

A case study of aerosol scavenging in a biomass burning plume over eastern Canada during the 2011 BORTAS field experiment. 2014

CHANGING HOW EARTH SYSTEM MODELING IS DONE TO PROVIDE MORE USEFUL INFORMATION FOR DECISION MAKING, SCIENCE, AND SOCIETY. 2014

Estimating regional fluxes of CO2 and CH4 using space-borne observations of XCH4 : XCO2. 2014

GreenHouse Observations of the Stratosphere and Troposphere (GHOST): a novel shortwave infrared spectrometer developed for the Global Hawk unmanned aerial vehicle. 2014

Model human adaptation to climate change. 2014

Origin, variability and age of biomass burning plumes intercepted during BORTAS-B. 2014

Phenology as a strategy for carbon optimality: a global model. 2014

Size-dependent wet removal of black carbon in Canadian biomass burning plumes. 2014

Toward robust and consistent regional CO2 flux estimates from in situ and spaceborne measurements of atmospheric CO2. 2014

Investigation of CO, C<sub>2</sub>H<sub>6</sub> and aerosols in a boreal fire plume over eastern Canada during BORTAS 2011 using ground- and satellite-based observations, and model simulations. 2013-04-24

Supplementary material to "Investigation of CO, C<sub>2</sub>H<sub>6</sub> and aerosols in a boreal fire plume over eastern Canada during BORTAS 2011 using ground- and satellite-based observations, and model simulations". 2013-04-24

Quantifying the impact of BOReal forest fires on Tropospheric oxidants over the Atlantic using Aircraft and Satellites (BORTAS) experiment: design, execution and science overview. 2013-02-14

Ozone photochemistry in boreal biomass burning plumes. 2013-01-17

Airborne hydrogen cyanide measurements using a chemical ionisation mass spectrometer for the plume identification of biomass burning forest fires (vol 13, pg 9217, 2013). 2013

Airborne observations of trace gases over boreal Canada during BORTAS: campaign climatology, air mass analysis and enhancement ratios. 2013

Estimating regional methane surface fluxes: the relative importance of surface and GOSAT mole fraction measurements. 2013

Identifying the sources driving observed PM2.5 temporal variability over Halifax, Nova Scotia, during BORTAS-B. 2013

Investigation of CO, C2H6 and aerosols in a boreal fire plume over eastern Canada during BORTAS 2011 using ground- and satellite-based observations and model simulations. 2013

Off-line algorithm for calculation of vertical tracer transport in the troposphere due to deep convection. 2013

Ozone photochemistry in boreal biomass burning plumes. 2013

Probabilistic estimation of future emissions of isoprene and surface oxidant chemistry associated with land-use change in response to growing food needs. 2013

Quantifying the impact of BOReal forest fires on Tropospheric oxidants over the Atlantic using Aircraft and Satellites (BORTAS) experiment: design, execution and science overview. 2013

The Australian bushfires of February 2009: MIPAS observations and GEM-AQ model results. 2013

The Australian bushfires of February 2009: MIPAS observations and GEM-AQ model results (vol 13, pg 1637, 2013). 2013

The influence of biomass burning on the global distribution of selected non-methane organic compounds. 2013

Three decades of global methane sources and sinks. 2013

TransCom model simulations of methane: Comparison of vertical profiles with aircraft measurements. 2013

Probabilistic estimation of future emissions of isoprene and surface oxidant chemistry associated with land use change in response to growing food needs. 2012-12-21

Atmospheric carbon dioxide retrieved from the Greenhouse gases Observing SATellite (GOSAT): Comparison with ground-based TCCON observations and GEOS-Chem model calculations. 2012

Iconic CO2 Time Series at Risk. 2012

Inferring Amazon leaf demography from satellite observations of leaf area index. 2012

PERSIST – Prototype Earth observing System using Image Slicer Mirrors. 2012

Seasonal variability of tropical wetland CH4 emissions: the role of the methanogen-available carbon pool. 2012

The composition and variability of atmospheric aerosol over Southeast Asia during 2008. 2012

The influence of boreal biomass burning emissions on the distribution of tropospheric ozone over North America and the North Atlantic during 2010. 2012

A comparison of OEM CO retrievals from the IASI and MOPITT instruments. 2011

Biomass burning emission estimates inferred from satellite column measurements of HCHO: Sensitivity to co-emitted aerosol and injection height. 2011

Can a “state of the art” chemistry transport model simulate Amazonian tropospheric chemistry?. 2011

Ethane, ethyne and carbon monoxide concentrations in the upper troposphere and lower stratosphere from ACE and GEOS-Chem: a comparison study. 2011

Evaluating a 3-D transport model of atmospheric CO2 using ground-based, aircraft, and space-borne data. 2011

Evaluation of a photosynthesis-based biogenic isoprene emission scheme in JULES and simulation of isoprene emissions under present-day climate conditions. 2011

Interpreting elevated space-borne HCHO columns over the Mediterranean Sea using the OMI sensor. 2011

Methane observations from the Greenhouse Gases Observing SATellite: Comparison to ground-based TCCON data and model calculations. 2011

Quantifying the response of the ORAC aerosol optical depth retrieval for MSG SEVIRI to aerosol model assumptions. 2011

Seasonal cycle of emissions of CO inferred from MOPITT profiles of CO: Sensitivity to pyroconvection and profile retrieval assumptions. 2011

Spatial resolution of tropical terrestrial CO2 fluxes inferred using space-borne column CO2 sampled in different earth orbits: the role of spatial error correlations. 2011

The Australian methane budget: Interpreting surface and train-borne measurements using a chemistry transport model. 2011

The impact of local surface changes in Borneo on atmospheric composition at wider spatial scales: coastal processes, land-use change and air quality. 2011

TransCom model simulations of CH4 and related species: linking transport, surface flux and chemical loss with CH4 variability in the troposphere and lower stratosphere. 2011

Estimating European volatile organic compound emissions using satellite observations of formaldehyde from the Ozone Monitoring Instrument. 2010

Global atmospheric budget of acetaldehyde: 3-D model analysis and constraints from in-situ and satellite observations. 2010

Global methane emission estimates from ultraviolet irradiation of terrestrial plant foliage. 2010

Large-Scale Controls of Methanogenesis Inferred from Methane and Gravity Spaceborne Data. 2010

On the impact of transport model errors for the estimation of CO2 surface fluxes from GOSAT observations. 2010

Overview: oxidant and particle photochemical processes above a south-east Asian tropical rainforest (the OP3 project): introduction, rationale, location characteristics and tools. 2010

Overview: oxidant and particle photochemical processes above a south-east Asian tropical rainforest (the OP3 project): introduction, rationale, location characteristics and tools (vol 10, pg 169, 2010). 2010

Some implications of sampling choices on comparisons between satellite and model aerosol optical depth fields. 2010

Vertical transport of surface fire emissions observed from space. 2010

Atmospheric composition change – global and regional air quality. 2009

Atmospheric composition change: Ecosystems-Atmosphere interactions. 2009

Estimating surface CO2 fluxes from space-borne CO2 dry air mole fraction observations using an ensemble Kalman Filter. 2009

Failure to launch. 2009

Global upper-tropospheric formaldehyde: seasonal cycles observed by the ACE-FTS satellite instrument. 2009

Long-term tropospheric formaldehyde concentrations deduced from ground-based fourier transform solar infrared measurements. 2009

Regulated large-scale annual shutdown of Amazonian isoprene emissions?. 2009

What drives the observed variability of HCN in the troposphere and lower stratosphere?. 2009

A quantitative assessment of uncertainties affecting estimates of global mean OH derived from methyl chloroform observations. 2008

Contribution of isoprene to chemical budgets: A model tracer study with the NCAR CTM MOZART-4. 2008

Global distributions of carbonyl sulfide in the upper troposphere and stratosphere. 2008

How sensitive is tropospheric oxidation to anthropogenic emissions?. 2008

Impact of the summer 2004 Alaska fires on top of the atmosphere clear-sky radiation fluxes. 2008

Interpreting the variability of space-borne CO2 column-averaged volume mixing ratios over North America using a chemistry transport model. 2008

Net ecosystem fluxes of isoprene over tropical South America inferred from Global Ozone Monitoring Experiment (GOME) observations of HCHO columns. 2008

Quantifying sources and sinks of trace gases using space-borne measurements: current and future science. 2008

Regional and seasonal variations of the Twomey indirect effect as observed by the ATSR-2 satellite instrument. 2008

Why are estimates of global terrestrial isoprene emissions so similar (and why is this not so for monoterpenes)?. 2008

Interpreting satellite column observations of formaldehyde over tropical South America. 2007

Remote sensed and in situ constraints on processes affecting tropical tropospheric ozone. 2007

Space-based formaldehyde measurements as constraints on volatile organic compound emissions in east and south Asia and implications for ozone. 2007

Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature). 2006

First directly retrieved global distribution of tropospheric column ozone from GOME: Comparison with the GEOS-CHEM model. 2006

First directly retrieved global distribution of tropospheric column ozone from GOME: Comparison with the GEOS-CHEM model (vol 111, art D10399, 2006). 2006

Quantifying the seasonal and interannual variability of North American isoprene emissions using satellite observations of the formaldehyde column. 2006

Quantifying wet scavenging processes in aircraft observations of nitric acid and cloud condensation nuclei. 2006

Seasonal variation of carbon monoxide in northern Japan: Fourier transform IR measurements and source-labeled model calculations. 2006

Using CO2 : CO correlations to improve inverse analyses of carbon fluxes. 2006

Constraining global isoprene emissions with Global Ozone Monitoring Experiment (GOME) formaldehyde column measurements. 2005

Export efficiency of black carbon aerosol in continental outflow: Global implications. 2005

Mapping tropospheric ozone profiles from an airborne ultraviolet-visible spectrometer. 2005

Ozarks Isoprene Experiment (OZIE): Measurements and modeling of the “isoprene volcano”. 2005

Quantifying global marine isoprene fluxes using MODIS chlorophyll observations. 2005

Asian emissions of CO and NOx: Constraints from aircraft and Chinese station data. 2004

Comparative inverse analysis of satellite (MOPITT) and aircraft (TRACE-P) observations to estimate Asian sources of carbon monoxide. 2004

Constraints on Asian and European sources of methane from CH4-C2H6-CO correlations in Asian outflow. 2004

Export of Asian pollution during two cold front episodes of the TRACE-P experiment. 2004

Improved quantification of Chinese carbon fluxes using CO2/CO correlations in Asian outflow. 2004

Water vapour transport associated with tropical-temperate trough systems over southern Africa and the southwest Indian Ocean. 2004

An intercomparison and evaluation of aircraft-derived and simulated CO from seven chemical transport models during the TRACE-P experiment. 2003

Biomass burning emission inventory with daily resolution: Application to aircraft observations of Asian outflow. 2003

Eastern Asian emissions of anthropogenic halocarbons deduced from aircraft concentration data. 2003

Global inventory of nitrogen oxide emissions constrained by space-based observations of NO2 columns. 2003

Inverting for emissions of carbon monoxide from Asia using aircraft observations over the western Pacific. 2003

Mapping isoprene emissions over North America using formaldehyde column observations from space. 2003

Potential of observations from the Tropospheric Emission Spectrometer to constrain continental sources of carbon monoxide. 2003

Seasonal and interannual variability of North American isoprene emissions as determined by formaldehyde column measurements from space. 2003

Sources and budgets for CO and O-3 in the northeastern Pacific during the spring of 2001: Results from the PHOBEA-II Experiment. 2003

An improved retrieval of tropospheric nitrogen dioxide from GOME. 2002

Satellite observations of tropospheric chemistry.. 2002

Stratospheric versus pollution influences on ozone at Bermuda: Reconciling past analyses. 2002

Top-down estimate of a large source of atmospheric carbon monoxide associated with fuel combustion in Asia. 2002

Air mass factor formulation for spectroscopic measurements from satellites: Application to formaldehyde retrievals from the Global Ozone Monitoring Experiment. 2001

Application of an optimal estimation inverse method to GPS/MET bending angle observations. 2001

Tropospheric formaldehyde measurements from the ESA GOME instrument. 2001

A nonlinear optimal, estimation inverse method for radio occultation measurements of temperature, humidity, and surface pressure. 2000

Satellite observations of formaldehyde over North America from GOME. 2000