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Sandip Dhomse

Senior Research Fellow

EO Data-Model Evaluation

Research interests

Machine learning, satellite data, chemical modelling, climate change and ozone layer.

Recent publications

Impact of Hunga Tonga-Hunga Ha’apai water vapour on polar vortex dehydration and ozone depletion: Antarctic 2023 and Arctic 2024. 2025-01-20

Interactive and microphysical simulations of the stratospheric aerosol layer: Global size distribution variation after moderate volcanic enhancement . 2025-01-20

Post-eruption tropical water vapour transport: Pinatubo and Hunga Tonga-Hunga Ha’apai. 2025-01-20

Ongoing large ozone depletion in the polar lower stratospheres: the role of increased water vapour. 2025

Record High March 2024 Arctic Total Column Ozone. 2024-09-28

Record high March 2024 Arctic total column ozone. 2024-07-12

Analysis of the global atmospheric background sulfur budget in a multi-model framework. 2024-05-14

Antarctic Vortex Dehydration in 2023 as a Substantial Removal Pathway for Hunga Tonga‐Hunga Ha'apai Water Vapor. 2024-04-28

Investigating Zonal Asymmetries in Stratospheric Ozone Trends From Satellite Limb Observations and a Chemical Transport Model. 2024-04-28

Quantifying effects of long-range transport of NO2 over Delhi using back trajectories and satellite data. 2024-01-19

Investigation of spatial and temporal variability in lower tropospheric ozone from RAL Space UV–Vis satellite products. 2023-12-05

Using machine learning to construct TOMCAT model and occultation measurement-based stratospheric methane (TCOM-CH4) and nitrous oxide (TCOM-N2O) profile data sets. 2023-11-24

Investigating zonal asymmetries in stratospheric ozone trends from satellite limb observations and a chemical transport model. 2023-11-08

Quantifying stratospheric ozone trends over 1984–2020: a comparison of ordinary and regularized multivariate regression models. 2023-10-16

The Influence of Internal Climate Variability on Stratospheric Water Vapor Increases After Large‐Magnitude Explosive Tropical Volcanic Eruptions. 2023-10-16

Analysis of the global atmospheric background sulfur budget in a multi-model framework. 2023-08-28

Investigation of spatial and temporal variability in lower tropospheric ozone from RAL Space UV-Vis satellite products. 2023-06-27

Analysing changes in stratospheric water vapour following Pinatubo-like volcanic eruption using UK Earth System Model. 2023-05-15

Evaluating the Uncertainties of the Global Atmospheric Sulphur Budget in a Multi-Model Framework. 2023-05-15

Interactive stratospheric aerosol simulations of the Hunga-Tonga aerosol cloud re: stronger than expected observed mid-visible stratospheric AOD. 2023-05-15

Investigating zonal asymmetry in stratospheric ozone trends at northern high latitudes using satellite limb observations and CTM simulations. 2023-05-15

Stratospheric ozone trends and attribution over 1984-2020 based on satellite data and model simulations with a regularised regression method. 2023-05-15

Using machine-learning to construct long-term, gap-free stratospheric species profile data sets based on satellite occultation measurements and TOMCAT 3-D model. 2023-05-15

Stratospheric ozone trends and attribution over 1984–2020 using ordinary and regularised multivariate regression models. 2023-04-14

Supplementary material to "Stratospheric ozone trends and attribution over 1984–2020 using ordinary and regularised multivariate regression models". 2023-04-14

Quantifying effects of long-range transport of air pollutants over Delhi using back-trajectories and satellite NO2 data. 2023-04-05

Supplementary material to "Using machine-learning to construct TOMCAT model and occultation measurement-based stratospheric methane (TCOM-CH4) and nitrous oxide (TCOM-N2O) profile data sets". 2023-03-29

Using machine-learning to construct TOMCAT model and occultation measurement-based stratospheric methane (TCOM-CH4) and nitrous oxide (TCOM-N2O) profile data sets. 2023-03-29

Interactive stratospheric aerosol models' response to different amounts and altitudes of SO2 injection during the 1991 Pinatubo eruption. 2023-01-19

Comment on “Observation of large and all-season ozone losses over the tropics” [AIP Adv. 12, 075006 (2022)]. 2022-12-01

Supplementary material to "The recovery and re-calibration of a 13-month aerosol extinction profiles dataset from searchlight observations from New Mexico, after the 1963 Agung eruption". 2022-10-13

The recovery and re-calibration of a 13-month aerosol extinction profiles dataset from searchlight observations from New Mexico, after the 1963 Agung eruption. 2022-10-13

Effects of reanalysis forcing fields on ozone trends and age of air from a chemical transport model. 2022-08-23

Interactive Stratospheric Aerosol models response to different amount and altitude of SO2 injections during the 1991 Pinatubo eruption. 2022-08-05

Supplementary material to "Interactive Stratospheric Aerosol models response to different amount and altitude of SO2 injections during the 1991 Pinatubo eruption". 2022-08-05

Effects of Reanalysis Forcing Fields on Ozone Trends from a Chemical Transport Model. 2022-04-07

Supplementary material to "Effects of Reanalysis Forcing Fields on Ozone Trends from a Chemical Transport Model". 2022-04-07

A single-peak-structured solar cycle signal in stratospheric ozone based on Microwave Limb Sounder observations and model simulations. 2022-01-19

Recovered measurements of the 1960s stratospheric aerosol layer and UM-UKCA model experiments to assess the Mar 1963 Agung, Sep 1965 Taal and Aug 1966 Awu volcanic aerosol clouds. 2021-12-26

ML-TOMCAT: machine-learning-based satellite-corrected global stratospheric ozone profile data set from a chemical transport model. 2021-12-10

Stratospheric Fluorine as a Tracer of Circulation Changes: Comparison Between Infrared Remote‐Sensing Observations and Simulations With Five Modern Reanalyses. 2021-10-16

Recovery of the first ever multi-year lidar dataset of the stratospheric aerosol layer, from Lexington, MA, and Fairbanks, AK, January 1964 to July 1965. 2021-09-08

A Single-Peak-Structured Solar Cycle Signal in Stratospheric Ozone based on Microwave Limb Sounder Observations and Model Simulations. 2021-08-25

ML-TOMCAT: Machine-Learning-Based Satellite-Corrected Global Stratospheric Ozone Profile Dataset from a Chemical Transport Model. 2021-07-15

Supplementary material to "ML-TOMCAT: Machine-Learning-Based Satellite-Corrected Global Stratospheric Ozone Profile Dataset from a Chemical Transport Model". 2021-07-15

Fifteen Years of HFC‐134a Satellite Observations: Comparisons With SLIMCAT Calculations. 2021-04-27

Unprecedented Spring 2020 Ozone Depletion in the Context of 20 Years of Measurements at Eureka, Canada. 2021-04-27

Long-lived ultra-fine ash particles within the Pinatubo volcanic aerosol cloud and their potential impact on its global dispersion and radiative forcings. 2021-04-22

COVID-19 lockdown-induced changes in NO2 levels across India observed by multi-satellite and surface observations. 2021-04-01

The Unusual Stratospheric Arctic Winter 2019/20: Chemical Ozone Loss From Satellite Observations and TOMCAT Chemical Transport Model. 2021-03-27

The prevalence of meteoric-sulphuric particles within the stratospheric aerosol layer. 2021-03-11

Data rescue of stratospheric aerosol observations from lidar at Lexington, MA, and Fairbanks, AK, January 1964 to July 1965.. 2021-03-04

Interactive Stratospheric Aerosol models response to different sulfur injection amount and altitude distribution during volcanic eruption. 2021-03-04

Machine-Learning-Based Satellite-Corrected Global Stratospheric Ozone Profile Dataset from a Chemical Transport Model. 2021-03-04

Model physics and chemistry causing intermodel disagreement within the VolMIP-Tambora Interactive Stratospheric Aerosol ensemble. 2021-03-04

Modelling the progression in the mix of particles within the Arctic stratospheric aerosol layer, including the seasonal source of meteoric smoke particles from the Arctic winter polar vortex . 2021-03-04

Record springtime stratospheric ozone depletion at 80°N in 2020. 2021-03-04

Revising the 11-year Solar Cycle Response in Stratospheric Ozone Using an Ensemble of Lasso and Ridge Regression Models. 2021-03-04

The prevalence of meteoric-sulphuric particles within the stratospheric aerosol layer. 2021-03-04

Arctic Ozone Depletion in 2019/20: Roles of Chemistry, Dynamics and the Montreal Protocol. 2021-02-28

Unprecedented spring 2020 ozone depletion in the context of 20 years of measurements at Eureka, Canada. 2020-12-18

The unusual stratospheric Arctic winter 2019/20: Chemical ozone loss from satellite observations and TOMCAT chemical transport model. 2020-12-11

Unprecedented spring 2020 ozone depletion in the context of 20 years of measurements at Eureka, Canada. 2020-12-11

Arctic ozone depletion in 2019/20: Roles of chemistry, dynamics and the Montreal Protocol. 2020-12-04

Evaluating the simulated radiative forcings, aerosol properties, and stratospheric warmings from the 1963 Mt Agung, 1982 El Chichón, and 1991 Mt Pinatubo volcanic aerosol clouds. 2020-11-13

Recovery of the first ever multi-year lidar dataset of the stratospheric aerosol layer, from Lexington, MA, and Fairbanks, AK, January 1964 to July 1965. 2020-11-03

Reconciling the climate and ozone response to the 1257 CE Mount Samalas eruption. 2020-10-27

COVID-19 lockdown induced changes in NO2 levels across India observed by multi-satellite and surface observations. 2020-10-13

Supplementary material to "COVID-19 lockdown induced changes in NO2 levels across India observed by multi-satellite and surface observations". 2020-10-13

Model physics and chemistry causing intermodel disagreement within the VolMIP-Tambora Interactive Stratospheric Aerosol ensemble. 2020-09-14

Supplementary material to "Model physics and chemistry causing intermodel disagreement within the VolMIP-Tambora Interactive Stratospheric Aerosol ensemble". 2020-09-14

Response to the Reviewer#1's (AC1) is modified to include corrections about Reff and sAOD. 2020-08-26

Response to the Reviewer#2's Comments (AC2) is modified to discussion corrections about Reff and sAOD calculations. 2020-08-26

Response to the Reviewer#1's (Daniele Visioni) Comments. 2020-08-04

Response to the Reviewer#2's Comments. 2020-08-04

Analysis and attribution of total column ozone changes over the Tibetan Plateau during 1979–2017. 2020-07-22

Modelling the potential impacts of the recent, unexpected increase in CFC-11 emissions on total column ozone recovery. 2020-06-19

Evaluating the simulated radiative forcings, aerosol properties and stratospheric warmings from the 1963 Agung, 1982 El Chichón and 1991 Mt Pinatubo volcanic aerosol clouds. 2020-05-06

Supplementary material to "Evaluating the simulated radiative forcings, aerosol properties and stratospheric warmings from the 1963 Agung, 1982 El Chichón and 1991 Mt Pinatubo volcanic aerosol clouds". 2020-05-06

A recent slowdown in the decline of CFC-11 concentrations in the upper troposphere. 2020-03-23

Impact of ECMWF ERA-Interim and ERA5 reanalysis on the simulated tracer transport and polar ozone loss using a chemical transport model TOMCAT/SLIMCAT . 2020-03-23

Impacts of stratospheric dynamical variability on total inorganic fluorine from observations and models constrained by state-of-the-art reanalyses. 2020-03-23

Recovered measurements of the 1960s stratospheric aerosol layer for new constraints for volcanic forcing in the years after 1963 Agung. 2020-03-23

The impact of iodine on ozone trends in the lower stratosphere. 2020-03-23

Description and evaluation of the UKCA stratosphere–troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1. 2020-03-17

Delay in recovery of the Antarctic ozone hole from unexpected CFC-11 emissions. 2019-12-19

Decreases in wintertime total column ozone over the Tibetan Plateau during 1979–2017. 2019-11-13

Supplementary material to "Decreases in wintertime total column ozone over the Tibetan Plateau during 1979–2017". 2019-11-13

Modelling the potential impacts of the recent, unexpected increase in CFC-11 emissions on total column ozone recovery. 2019-10-02

Description and evaluation of the UKCA stratosphere-troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1. 2019-09-25

Supplementary material to "Description and evaluation of the UKCA stratosphere-troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1". 2019-09-25

The effect of atmospheric nudging on the stratospheric residual circulation in chemistry–climate models. 2019-09-13

Large Impacts, Past and Future, of Ozone‐Depleting Substances on Brewer‐Dobson Circulation Trends: A Multimodel Assessment. 2019-07-16

The effect of atmospheric nudging on the stratospheric residual circulation in chemistry-climate models. 2019-03-20

Recent Trends in Stratospheric Chlorine From Very Short‐Lived Substances. 2019-02-27

Phosgene in the Upper Troposphere and Lower Stratosphere: A Marker for Product Gas Injection Due to Chlorine‐Containing Very Short Lived Substances. 2019-01-28

Exploring How Eruption Source Parameters Affect Volcanic Radiative Forcing Using Statistical Emulation. 2019-01-27

Dynamically controlled ozone decline in the tropical mid-stratosphere observed by SCIAMACHY. 2018-08-23

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

An updated version of a gap-free monthly mean zonal mean ozone database. 2018-08-16

The Interactive Stratospheric Aerosol Model Intercomparison Project (ISA-MIP): motivation and experimental design. 2018-07-05

On the Cause of Recent Variations in Lower Stratospheric Ozone. 2018-06-16

Influence of the wintertime North Atlantic Oscillation on European tropospheric composition: an observational and modelling study. 2018-06-15

Estimates of Ozone Return Dates from Chemistry-Climate Model Initiative Simulations. 2018-02-06

A refined method for calculating equivalent effective stratospheric chlorine. 2018-01-19

The Interactive Stratospheric Aerosol Model Intercomparison Project (ISA-MIP): Motivation and experimental design. 2018-01-09

Stratospheric ozone loss in the Arctic winters between 2005 and 2013 derived with ACE-FTS measurements. 2018-01-02

Multi-model comparison of the volcanic sulfate deposition from the 1815 eruption of Mt. Tambora. 2018

Ozone sensitivity to varying greenhouse gases and ozone-depleting substances in CCMI-1 simulations. 2018

Stratospheric ozone loss over the Eurasian continent induced by the polar vortex shift. 2018

Tropospheric jet response to Antarctic ozone depletion: An update with Chemistry-Climate Model Initiative (CCMI) models. 2018

Influence of the North Atlantic Oscillation on European tropospheric composition: an observational and modelling study. 2017-12-18

Deriving Global OH Abundance and Atmospheric Lifetimes for Long‐Lived Gases: A Search for CH3CCl3 Alternatives. 2017-11-16

Age of Air as a diagnostic for transport time-scales in global models. 2017-11-07

The increasing threat to stratospheric ozone from dichloromethane. 2017-06-27

Detecting recovery of the stratospheric ozone layer. 2017

Determination of the atmospheric lifetime and global warming potential of sulfur hexafluoride using a three-dimensional model. 2017

Review of the global models used within phase 1 of the Chemistry-Climate Model Initiative (CCMI). 2017

Strong constraints on aerosol-cloud interactions from volcanic eruptions. 2017

Strong constraints on aerosol-cloud interactions from volcanic eruptions (vol 546, pg 485, 2017). 2017

Atmospheric lifetimes, infrared absorption spectra, radiative forcings and global warming potentials of NF3 and CF3CF2Cl (CFC-115). 2016-09-14

Determination of the atmospheric lifetime and global warming potential of sulphur hexafluoride using a three-dimensional model. 2016-08-18

A multi-model intercomparison of halogenated very short-lived substances (TransCom-VSLS): linking oceanic emissions and tropospheric transport for a reconciled estimate of the stratospheric source gas injection of bromine. 2016

Model sensitivity studies of the decrease in atmospheric carbon tetrachloride. 2016

Preliminary observations and simulation of nocturnal variations of airglow temperature and emission rates at Pune (18.5 degrees N), India. 2016

The Model Intercomparison Project on the climatic response to Volcanic forcing (VolMIP): experimental design and forcing input data for CMIP6. 2016

Efficiency of short-lived halogens at influencing climate through depletion of stratospheric ozone. 2015

Evaluation of a regional air quality model using satellite column NO2: treatment of observation errors and model boundary conditions and emissions. 2015

Growth in stratospheric chlorine from short-lived chemicals not controlled by the Montreal Protocol. 2015

Quantifying the ozone and ultraviolet benefits already achieved by the Montreal Protocol. 2015

Satellite observations of stratospheric hydrogen fluoride and comparisons with SLIMCAT calculations. 2015

Constraining the N2O5 UV absorption cross-section from spectroscopic trace gas measurements in the tropical mid-stratosphere. 2014-02-20

Aerosol microphysics simulations of the Mt. Pinatubo eruption with the UKCA composition-climate model. 2014-01-28

Satellite observations of stratospheric carbonyl fluoride. 2014

Stratospheric ozone depletion from future nitrous oxide increases. 2014

Global stratospheric chlorine inventories for 2004–2009 from Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) measurements. 2013-09-06

Stratospheric O3 changes during 2001–2010: the small role of solar flux variations in a CTM. 2013-05-08