Locally Enhanced Aerosols Over a Shipping Lane Produce Convective Invigoration but Weak Overall Indirect Effects in Cloud-Resolving Simulations

Blossey, Peter N.; Bretherton, Christopher S.; Thornton, Joel A.; Virts, Katrina S.

doi:10.1029/2018gl078682

Title: Locally Enhanced Aerosols Over a Shipping Lane Produce Convective Invigoration but Weak Overall Indirect Effects in Cloud-Resolving Simulations

Abstract

Abstract The effect of aerosol emissions from an active shipping lane in the Indian Ocean is simulated using an idealized framework in a cloud‐resolving model. Increased aerosol concentrations over the modeled shipping lane lead to increased cloud droplet number, cloud liquid mass, ice hydrometeor mass, and simulated radar reflectivity. The invigoration of deep convection induces mesoscale uplift and increased precipitation over the shipping lane. A predicted increase in the prevalence of both strong updrafts and radar echoes aloft is suggestive of enhanced lightning activity over the shipping lane, as observed in a recent study. Cloud radiative effects, both shortwave and longwave, are intensified over the shipping lane, but the change in the net radiative flux at top of atmosphere is not significantly different from zero.

Authors:

^[1];

^[2]

Univ. of Washington, Seattle, WA (United States)
NASA Marshall Space Flight Center (MSFC), Huntsville, AL (United States)

Publication Date:: Mon Aug 06 00:00:00 EDT 2018

Research Org.:: Univ. of Washington, Seattle, WA (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1539748

Alternate Identifier(s):: OSTI ID: 1471132

Grant/Contract Number:: SC0011602; SC0018221

Resource Type:: Accepted Manuscript

Journal Name:: Geophysical Research Letters

Additional Journal Information:: Journal Volume: 45; Journal Issue: 17; Journal ID: ISSN 0094-8276

Publisher:: American Geophysical Union

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; Geology

Citation Formats


                    Blossey, Peter N., Bretherton, Christopher S., Thornton, Joel A., and Virts, Katrina S. Locally Enhanced Aerosols Over a Shipping Lane Produce Convective Invigoration but Weak Overall Indirect Effects in Cloud-Resolving Simulations.  United States: N. p., 2018. 
Web.  doi:10.1029/2018gl078682.

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                    Blossey, Peter N., Bretherton, Christopher S., Thornton, Joel A., & Virts, Katrina S. Locally Enhanced Aerosols Over a Shipping Lane Produce Convective Invigoration but Weak Overall Indirect Effects in Cloud-Resolving Simulations.  United States.  https://doi.org/10.1029/2018gl078682

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                    Blossey, Peter N., Bretherton, Christopher S., Thornton, Joel A., and Virts, Katrina S. Mon .  
"Locally Enhanced Aerosols Over a Shipping Lane Produce Convective Invigoration but Weak Overall Indirect Effects in Cloud-Resolving Simulations".  United States.  https://doi.org/10.1029/2018gl078682.  https://www.osti.gov/servlets/purl/1539748.

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@article{osti_1539748,

  title        = {Locally Enhanced Aerosols Over a Shipping Lane Produce Convective Invigoration but Weak Overall Indirect Effects in Cloud-Resolving Simulations},

  author       = {Blossey, Peter N. and Bretherton, Christopher S. and Thornton, Joel A. and Virts, Katrina S.},

  abstractNote = {Abstract The effect of aerosol emissions from an active shipping lane in the Indian Ocean is simulated using an idealized framework in a cloud‐resolving model. Increased aerosol concentrations over the modeled shipping lane lead to increased cloud droplet number, cloud liquid mass, ice hydrometeor mass, and simulated radar reflectivity. The invigoration of deep convection induces mesoscale uplift and increased precipitation over the shipping lane. A predicted increase in the prevalence of both strong updrafts and radar echoes aloft is suggestive of enhanced lightning activity over the shipping lane, as observed in a recent study. Cloud radiative effects, both shortwave and longwave, are intensified over the shipping lane, but the change in the net radiative flux at top of atmosphere is not significantly different from zero.},

  doi          = {10.1029/2018gl078682},

  journal      = {Geophysical Research Letters},

  number       = 17,

  volume       = 45,

  place        = {United States},

  year         = {Mon Aug 06 00:00:00 EDT 2018},

  month        = {Mon Aug 06 00:00:00 EDT 2018}

}

Copy to clipboard

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https://doi.org/10.1029/2018gl078682

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Title: Locally Enhanced Aerosols Over a Shipping Lane Produce Convective Invigoration but Weak Overall Indirect Effects in Cloud-Resolving Simulations

Abstract

Citation Formats

Substantial convection and precipitation enhancements by ultrafine aerosol particles journal, January 2018

A Multipurpose Radar Simulation Package: QuickBeam journal, November 2007

Cloud Resolving Modeling of the ARM Summer 1997 IOP: Model Formulation, Results, Uncertainties, and Sensitivities journal, February 2003

Forecasting Lightning Threat Using Cloud-Resolving Model Simulations journal, June 2009

Cloud-Radiative Forcing and Climate: Results from the Earth Radiation Budget Experiment journal, January 1989

Flood or Drought: How Do Aerosols Affect Precipitation? journal, September 2008

Rain-Profiling Algorithm for the TRMM Precipitation Radar journal, December 2000

Selective monotonicity preservation in scalar advection journal, May 2008

Indirect Impact of Atmospheric Aerosols in Idealized Simulations of Convective–Radiative Quasi Equilibrium. Part II: Double-Moment Microphysics journal, April 2011

Lightning enhancement over major oceanic shipping lanes: Lightning Over Shipping Lanes journal, September 2017

Erroneous Attribution of Deep Convective Invigoration to Aerosol Concentration journal, April 2018

Possible Aerosol Effects on Lightning Activity and Structure of Hurricanes journal, December 2008

A New Double-Moment Microphysics Parameterization for Application in Cloud and Climate Models. Part I: Description journal, June 2005

Forty years of improvements in European air quality: regional policy-industry interactions with global impacts journal, January 2016

Radiative transfer for inhomogeneous atmospheres: RRTM, a validated correlated-k model for the longwave journal, July 1997

Impact of aerosols on convective clouds and precipitation: AEROSOL IMPACT ON CONVECTIVE CLOUDS journal, April 2012

Are simulated aerosol-induced effects on deep convective clouds strongly dependent on saturation adjustment? journal, January 2012

Aerosol-induced changes of convective cloud anvils produce strong climate warming journal, January 2010

Aerosol impact on the dynamics and microphysics of deep convective clouds journal, October 2005

An Energy-Balance Analysis of Deep Convective Self-Aggregation above Uniform SST journal, December 2005

A parameterization of aerosol activation: 2. Multiple aerosol types journal, March 2000

Response of Tropical Deep Convection to Localized Heating Perturbations: Implications for Aerosol-Induced Convective Invigoration journal, November 2013

Aerosol invigoration and restructuring of Atlantic convective clouds: AEROSOL RESTRUCTURING CONVECTIVE CLOUDS journal, July 2005

A cloud-resolving model study of aerosol-cloud correlation in a pristine maritime environment: A CRM Study of Aerosol-Cloud Correlation journal, June 2017

Marine boundary layer cloud regimes and POC formation in a CRM coupled to a bulk aerosol scheme journal, January 2013

Factors Determining the Impact of Aerosols on Surface Precipitation from Clouds: An Attempt at Classification journal, June 2008

Smoking Rain Clouds over the Amazon journal, February 2004

Predicting the potential for lightning activity in Mediterranean storms based on the Weather Research and Forecasting (WRF) model dynamic and microphysical fields journal, January 2010

The Vertical Profile of Radar Reflectivity of Convective Cells: A Strong Indicator of Storm Intensity and Lightning Probability? journal, August 1994

Impact of Cloud Microphysics on the Development of Trailing Stratiform Precipitation in a Simulated Squall Line: Comparison of One- and Two-Moment Schemes journal, March 2009

Climate Effects of Aerosol-Cloud Interactions journal, January 2014

Estimation of total lightning from various storm parameters: A cloud-resolving model study: ESTIMATE TOTAL LIGHTNING FROM MODEL PARAMETERS journal, December 2010

Microphysical effects determine macrophysical response for aerosol impacts on deep convective clouds journal, November 2013

A ubiquitous ice size bias in simulations of tropical deep convection journal, January 2017

Aerosol optical depth increase in partly cloudy conditions: AEROSOL OPTICAL DEPTH INCREASE IN CLOUDS journal, September 2012

Connections Between Clouds, Radiation, and Midlatitude Dynamics: a Review journal, April 2015

Relationships between lightning flash rates and radar reflectivity vertical structures in thunderstorms over the tropics and subtropics: LIGHTNING RATE VERSUS RADAR REFLECTIVITY journal, March 2012

Impacts of Cumulus Convection on Thermodynamic Fields book, January 1993

Substantial convection and precipitation enhancements by ultrafine aerosol particles
journal, January 2018

A Multipurpose Radar Simulation Package: QuickBeam
journal, November 2007

Cloud Resolving Modeling of the ARM Summer 1997 IOP: Model Formulation, Results, Uncertainties, and Sensitivities
journal, February 2003

Forecasting Lightning Threat Using Cloud-Resolving Model Simulations
journal, June 2009

Cloud-Radiative Forcing and Climate: Results from the Earth Radiation Budget Experiment
journal, January 1989

Flood or Drought: How Do Aerosols Affect Precipitation?
journal, September 2008

Rain-Profiling Algorithm for the TRMM Precipitation Radar
journal, December 2000

Selective monotonicity preservation in scalar advection
journal, May 2008

Indirect Impact of Atmospheric Aerosols in Idealized Simulations of Convective–Radiative Quasi Equilibrium. Part II: Double-Moment Microphysics
journal, April 2011

Lightning enhancement over major oceanic shipping lanes: Lightning Over Shipping Lanes
journal, September 2017

Erroneous Attribution of Deep Convective Invigoration to Aerosol Concentration
journal, April 2018

Possible Aerosol Effects on Lightning Activity and Structure of Hurricanes
journal, December 2008

A New Double-Moment Microphysics Parameterization for Application in Cloud and Climate Models. Part I: Description
journal, June 2005

Forty years of improvements in European air quality: regional policy-industry interactions with global impacts
journal, January 2016

Radiative transfer for inhomogeneous atmospheres: RRTM, a validated correlated-k model for the longwave
journal, July 1997

Impact of aerosols on convective clouds and precipitation: AEROSOL IMPACT ON CONVECTIVE CLOUDS
journal, April 2012

Are simulated aerosol-induced effects on deep convective clouds strongly dependent on saturation adjustment?
journal, January 2012

Aerosol-induced changes of convective cloud anvils produce strong climate warming
journal, January 2010

Aerosol impact on the dynamics and microphysics of deep convective clouds
journal, October 2005

An Energy-Balance Analysis of Deep Convective Self-Aggregation above Uniform SST
journal, December 2005

A parameterization of aerosol activation: 2. Multiple aerosol types
journal, March 2000

Response of Tropical Deep Convection to Localized Heating Perturbations: Implications for Aerosol-Induced Convective Invigoration
journal, November 2013

Aerosol invigoration and restructuring of Atlantic convective clouds: AEROSOL RESTRUCTURING CONVECTIVE CLOUDS
journal, July 2005

A cloud-resolving model study of aerosol-cloud correlation in a pristine maritime environment: A CRM Study of Aerosol-Cloud Correlation
journal, June 2017

Marine boundary layer cloud regimes and POC formation in a CRM coupled to a bulk aerosol scheme
journal, January 2013

Factors Determining the Impact of Aerosols on Surface Precipitation from Clouds: An Attempt at Classification
journal, June 2008

Smoking Rain Clouds over the Amazon
journal, February 2004

Predicting the potential for lightning activity in Mediterranean storms based on the Weather Research and Forecasting (WRF) model dynamic and microphysical fields
journal, January 2010

The Vertical Profile of Radar Reflectivity of Convective Cells: A Strong Indicator of Storm Intensity and Lightning Probability?
journal, August 1994

Impact of Cloud Microphysics on the Development of Trailing Stratiform Precipitation in a Simulated Squall Line: Comparison of One- and Two-Moment Schemes
journal, March 2009

Climate Effects of Aerosol-Cloud Interactions
journal, January 2014

Estimation of total lightning from various storm parameters: A cloud-resolving model study: ESTIMATE TOTAL LIGHTNING FROM MODEL PARAMETERS
journal, December 2010

Microphysical effects determine macrophysical response for aerosol impacts on deep convective clouds
journal, November 2013

A ubiquitous ice size bias in simulations of tropical deep convection
journal, January 2017

Aerosol optical depth increase in partly cloudy conditions: AEROSOL OPTICAL DEPTH INCREASE IN CLOUDS
journal, September 2012

Connections Between Clouds, Radiation, and Midlatitude Dynamics: a Review
journal, April 2015

Relationships between lightning flash rates and radar reflectivity vertical structures in thunderstorms over the tropics and subtropics: LIGHTNING RATE VERSUS RADAR REFLECTIVITY
journal, March 2012

Impacts of Cumulus Convection on Thermodynamic Fields
book, January 1993