Explanipedia

Climatology of global aerosol properties calculated based on new volcanic emissions database combined with other non-volcanic emissions of sulfur sources. Open

Michael Mills, Anja Schmidt, R. C. Easter, Susan Solomon, Douglas E. Kinnison , et al. · 2025

Accurate representation of global stratospheric aerosols from volcanic and non-volcanic sulfur emissions is key to understanding the cooling effects and ozone-losses that may be linked to volcanic activity. Attribution of climate variabili…

Additively manufactured flexure for astronomy instrumentation Open

K. C. Morris, Carolyn Atkins, Lucy Reynolds, James Walpole, Bart van de Vorst , et al. · 2022

Additive Manufacturing (AM) has several potential advantages for astronomical instrumentation: particularly the ability to create custom parts with optimised geometries that cannot be produced with traditional manufacturing. The goal of th…

The OPTICON A2IM Cookbook: an introduction to additive manufacture for astronomy Open

Carolyn Atkins, Bart van de Vorst, Andrew Conley, Szigfrid Farkas, Emmanuel Hugot , et al. · 2022

International audience

Reconciling and Improving Formulations for Thermodynamics and Conservation Principles in Earth System Models (ESMs) Open

P. H. Lauritzen, Nicholas Kevlahan, Thomas Toniazzo, Christopher Eldred, Thomas Dubos , et al. · 2022

This paper provides a comprehensive derivation of the total energy equations for the atmospheric components of Earth System Models (ESMs). The assumptions and approximations made in this derivation are motivated and discussed. In particula…

Outgassing properties of additively manufactured aluminium Open

Ciaran Breen, James Walpole, Carolyn Atkins, Scott McPhee, Mark Cliffe , et al. · 2022

Details of a programme to investigate the outgassing rate of additively manufactured (AM) aluminium alloys are presented. AM has significant potential benefits to applications in ground- and space-based instrumentation, particularly in mas…

Chemistry Across Multiple Phases (CAMP) version 1.0: an integrated multiphase chemistry model Open

Matthew L. Dawson, Christian D. Guzmán, Jeffrey H. Curtis, Mario Méndez Acosta, Shupeng Zhu , et al. · 2022

A flexible treatment for gas- and aerosol-phase chemical processes has been developed for models of diverse scale, from box models up to global models. At the core of this novel framework is an “abstracted aerosol representation” that allo…

Chemistry Across Multiple Phases (CAMP) version 1.0: An integrated multi-phase chemistry model Open

Matthew L. Dawson, Christian D. Guzmán, Jeffrey H. Curtis, Mario Acosta, Shupeng Zhu , et al. · 2021

A flexible treatment for gas- and aerosol-phase chemical processes has been developed for models of diverse scale, from box models up to global models. At the core of this novel framework is an "abstracted aerosol representation" that allo…

Chemistry Across Multiple Phases (CAMP) version 1.0: An integrated\n multi-phase chemistry model Open

Matthew L. Dawson, Christian D. Guzmán, Jeffrey H. Curtis, Mario Méndez Acosta, Shupeng Zhu , et al. · 2021

A flexible treatment for gas- and aerosol-phase chemical processes has been\ndeveloped for models of diverse scale, from box models up to global models. At\nthe core of this novel framework is an "abstracted aerosol representation" that\na…

Making MUSICA: The Multi-Scale Infrastructure for Chemistry and Aerosols Open

Gabriele Pfister, Sebastian D. Eastham, Avelino F. Arellano, Bernard Aumont, Kelley C. Barsanti , et al. · 2021

Data from: Chemistry Across Multiple Phases (CAMP) version 1.0: An integrated multi-phase chemistry model Open

Matthew L. Dawson, Christian D. Guzmán, Jeffrey H. Curtis, Mario Acosta, Shupeng Zhu , et al. · 2021

This dataset contains all the data for the results section in the study presented in the paper entitled "Chemistry Across Multiple Phases (CAMP) version 1.0: An integrated multi-phase chemistry mode" submitted to Geoscientific Model Develo…

The Multi-Scale Infrastructure for Chemistry and Aerosols (MUSICA) Open

Gabriele Pfister, Sebastian D. Eastham, Avelino F. Arellano, Bernard Aumont, Kelley C. Barsanti , et al. · 2020

To explore the various couplings across space and time and between ecosystems in a consistent manner, atmospheric modeling is moving away from the fractured limited-scale modeling strategy of the past toward a unification of the range of s…

The Chemistry Mechanism in the Community Earth System Model Version 2 (CESM2) Open

L. K. Emmons, Rebecca H. Schwantes, John J. Orlando, Geoffrey S. Tyndall, Douglas E. Kinnison , et al. · 2020

The Community Earth System Model version 2 (CESM2) includes a detailed representation of chemistry throughout the atmosphere in the Community Atmosphere Model with chemistry and Whole Atmosphere Community Climate Model configurations. Thes…

Local and remote mean and extreme temperature response to regional aerosol emissions reductions Open

Daniel M. Westervelt, N. R. Mascioli, Arlene M. Fiore, Andrew Conley, Jean‐François Lamarque , et al. · 2020

The climatic implications of regional aerosol and precursor emissions reductions implemented to protect human health are poorly understood. We investigate the mean and extreme temperature response to regional changes in aerosol emissions u…

MUSICA - Modeling for Chemistry, Weather and Climate Open

Gabriele Pfister, Andrew Conley, M. C. Barth, L. K. Emmons, Forrest Lacey , et al. · 2020

<p>Current chemical transport models inadequately account for the two-way coupling of atmospheric chemistry with other Earth System components over the range of urban/local to regional to global scales and from the surface up to the …

Attribution of Chemistry-Climate Model Initiative (CCMI) ozone radiative flux bias from satellites Open

Le Kuai, K. W. Bowman, Kazuyuki Miyazaki, Makoto Deushi, Laura E. Revell , et al. · 2020

The top-of-atmosphere (TOA) outgoing longwave flux over the 9.6 µm ozone band is a fundamental quantity for understanding chemistry–climate coupling. However, observed TOA fluxes are hard to estimate as they exhibit considerable variabilit…

Supplementary material to "Local and remote mean and extreme temperature response to regionalaerosol emissions reductions" Open

Daniel M. Westervelt, N. R. Mascioli, Arlene M. Fiore, Andrew Conley, Jean‐François Lamarque , et al. · 2019

Local and remote mean and extreme temperature response to regionalaerosol emissions reductions Open

Daniel M. Westervelt, N. R. Mascioli, Arlene M. Fiore, Andrew Conley, Jean‐François Lamarque , et al. · 2019

The climatic implications of regional aerosol and precursor emissions reductions implemented to protect human health are poorly understood. We investigate the mean and extreme temperature response to regional changes in aerosol emissions u…

Attribution of Chemistry-Climate Model Initiative (CCMI) ozone radiative fluxbias from satellites Open

Le Kuai, K. W. Bowman, H. M. Worden, Kazuyuki Miyazaki, S. S. Kulawik , et al. · 2019

The top-of-atmosphere (TOA) outgoing longwave flux over the 9.6-μm ozone band is a fundamental quantity for understanding chemistry-climate coupling. However, observed TOA fluxes are hard to estimate as they exhibit considerable variabilit…

Atmospheric Acetaldehyde: Importance of Air‐Sea Exchange and a Missing Source in the Remote Troposphere Open

Siyuan Wang, Rebecca S. Hornbrook, Alan J. Hills, L. K. Emmons, Simone Tilmes , et al. · 2019

We report airborne measurements of acetaldehyde (CH 3 CHO) during the first and second deployments of the National Aeronautics and Space Administration Atmospheric Tomography Mission (ATom). The budget of CH 3 CHO is examined using the Com…

Volcanic Radiative Forcing From 1979 to 2015 Open

Anja Schmidt, Michael Mills, S. J. Ghan, Jonathan M. Gregory, Richard P. Allan , et al. · 2018

Using volcanic sulfur dioxide emissions in an aerosol‐climate model, we derive a time series of global‐mean volcanic effective radiative forcing (ERF) from 1979 to 2015. For 2005–2015, we calculate a global multiannual mean volcanic ERF of…

Volcanic Radiative Forcing From 1979 to 2015 Open

Anja Schmidt, Michael Mills, S. J. Ghan, Jonathan M. Gregory, Richard P. Allan , et al. · 2018

Using volcanic sulfur dioxide emissions in an aerosol‐climate model, we derive a time series of global‐mean volcanic effective radiative forcing (ERF) from 1979 to 2015. For 2005–2015, we calculate a global multiannual mean volcanic ERF of…

Connecting regional aerosol emissions reductions to local and remote precipitation responses Open

Daniel M. Westervelt, Andrew Conley, Arlene M. Fiore, Jean‐François Lamarque, Drew Shindell , et al. · 2018

The unintended climatic implications of aerosol and precursor emission reductions implemented to protect public health are poorly understood. We investigate the precipitation response to regional changes in aerosol emissions using three co…

Connecting regional aerosol emissions reductions to local and remote precipitation responses Open

Daniel M. Westervelt, Andrew Conley, Arlene M. Fiore, Jean‐François Lamarque, Drew Shindell , et al. · 2018

The unintended climatic implications of aerosol and precursor emission reductions implemented to protect public health are poorly understood. We investigate the precipitation response to regional changes in aerosol emissions using three co…

Supplementary material to "Connecting regional aerosol emissions reductions to local and remote precipitation responses" Open

Daniel M. Westervelt, Andrew Conley, Arlene M. Fiore, Jean‐François Lamarque, Drew Shindell , et al. · 2018

Simulation of the 21 August 2017 Solar Eclipse Using the Whole Atmosphere Community Climate Model‐eXtended Open

Joseph McInerney, D. R. Marsh, Hanli Liu, S. C. Solomon, Andrew Conley , et al. · 2018

We performed simulations of the atmosphere‐ionosphere response to the solar eclipse of 21 August 2017 using the Whole Atmosphere Community Climate Model‐eXtended (WACCM‐X v. 2.0) with a fully interactive ionosphere and thermosphere. Eclips…

Multimodel Surface Temperature Responses to Removal of U.S. Sulfur Dioxide Emissions Open

Andrew Conley, Daniel M. Westervelt, Jean‐François Lamarque, Arlene M. Fiore, Drew Shindell , et al. · 2018

Three Earth System models are used to derive surface temperature responses to removal of U.S. anthropogenic SO 2 emissions. Using multicentury perturbation runs with and without U.S. anthropogenic SO 2 emissions, the local and remote surfa…

Surface and top-of-atmosphere radiative feedback kernels for CESM-CAM5 Open

Angeline G. Pendergrass, Andrew Conley, Francis Vitt · 2018

Radiative kernels at the top of the atmosphere are useful for decomposing changes in atmospheric radiative fluxes due to feedbacks from atmosphere and surface temperature, water vapor, and surface albedo. Here we describe and validate radi…

Surface and top-of-atmosphere radiative feedback kernels for CESM-CAM5 Open

Angeline G. Pendergrass, Andrew Conley, Francis Vitt · 2017

Radiative kernels at the top of atmosphere are useful for decomposing changes in atmospheric radiative fluxes due to feedbacks from atmosphere and surface temperature, water vapor, and surface albedo. Here we describe and validate radiativ…

On transient climate change at the Cretaceous−Paleogene boundary due to atmospheric soot injections Open

Charles Bardeen, Rolando R. García, O. B. Toon, Andrew Conley · 2017

Significance A mass extinction occurred at the Cretaceous−Paleogene boundary coincident with the impact of a 10-km asteroid in the Yucatán peninsula. A worldwide layer of soot found at the boundary is consistent with global fires. Using a …

Multimodel precipitation responses to removal of U.S. sulfur dioxide emissions Open

Daniel M. Westervelt, Andrew Conley, Arlene M. Fiore, Jean‐François Lamarque, Drew Shindell , et al. · 2017

Emissions of aerosols and their precursors are declining due to policies enacted to protect human health, yet we currently lack a full understanding of the magnitude, spatiotemporal pattern, statistical significance, and physical mechanism…

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