Search Results - "McCoy, Daniel T."

Causes of Higher Climate Sensitivity in CMIP6 Models by Zelinka, Mark D., Myers, Timothy A., McCoy, Daniel T., Po‐Chedley, Stephen, Caldwell, Peter M., Ceppi, Paulo, Klein, Stephen A., Taylor, Karl E.

“…Equilibrium climate sensitivity, the global surface temperature response to CO 2 doubling, has been persistently uncertain. Recent consensus places it likely…”
Get full text

The Change in Low Cloud Cover in a Warmed Climate Inferred from AIRS, MODIS, and ERA-Interim by McCoy, Daniel T., Eastman, Ryan, Hartmann, Dennis L., Wood, Robert

“…Decreases in subtropical low cloud cover (LCC) occur in climate model simulations of global warming. In this study 8-day-averaged observations from the…”
Get full text

Mixed-phase cloud physics and Southern Ocean cloud feedback in climate models by McCoy, Daniel T., Hartmann, Dennis L., Zelinka, Mark D., Ceppi, Paulo, Grosvenor, Daniel P.

“…Increasing optical depth poleward of 45° is a robust response to warming in global climate models. Much of this cloud optical depth increase has been…”
Get full text

Observational evidence for a negative shortwave cloud feedback in middle to high latitudes by Ceppi, Paulo, McCoy, Daniel T., Hartmann, Dennis L.

“…Exploiting the observed robust relationships between temperature and optical depth in extratropical clouds, we calculate the shortwave cloud feedback from…”
Get full text

The hemispheric contrast in cloud microphysical properties constrains aerosol forcing by McCoy, Isabel L., McCoy, Daniel T., Wood, Robert, Regayre, Leighton, Watson-Parris, Duncan, Grosvenor, Daniel P., Mulcahy, Jane P., Hu, Yongxiang, Bender, Frida A.-M., Field, Paul R., Carslaw, Kenneth S., Gordon, Hamish

“…The change in planetary albedo due to aerosol–cloud interactions during the industrial era is the leading source of uncertainty in inferring Earth’s climate…”
Get full text

Observed Southern Ocean Cloud Properties and Shortwave Reflection. Part II: Phase Changes and Low Cloud Feedback by McCoy, Daniel T., Hartmann, Dennis L., Grosvenor, Daniel P.

“…Climate models produce an increase in cloud optical depth in midlatitudes associated with climate warming, but the magnitude of this increase and its impact on…”
Get full text

The Role of Mesoscale Cloud Morphology in the Shortwave Cloud Feedback by McCoy, Isabel L., McCoy, Daniel T., Wood, Robert, Zuidema, Paquita, Bender, Frida A.‐M.

“…A supervised neural network algorithm is used to categorize near‐global satellite retrievals into three mesoscale cellular convective (MCC) cloud morphology…”
Get full text

On the relationships among cloud cover, mixed‐phase partitioning, and planetary albedo in GCMs by McCoy, Daniel T., Tan, Ivy, Hartmann, Dennis L., Zelinka, Mark D., Storelvmo, Trude

“…In this study, it is shown that CMIP5 global climate models (GCMs) that convert supercooled water to ice at relatively warm temperatures tend to have a greater…”
Get full text

Observed Southern Ocean Cloud Properties and Shortwave Reflection. Part I: Calculation of SW Flux from Observed Cloud Properties by McCoy, Daniel T., Hartmann, Dennis L., Grosvenor, Daniel P.

“…The sensitivity of the reflection of shortwave radiation over the Southern Ocean to the cloud properties there is estimated using observations from a suite of…”
Get full text

Buffering of Aerosol‐Cloud Adjustments by Coupling Between Radiative Susceptibility and Precipitation Efficiency by Song, Ci, McCoy, Daniel T., Eidhammer, Trude, Gettelman, Andrew, McCoy, Isabel L., Watson‐Parris, Duncan, Wall, Casey J., Elsaesser, Gregory, Wood, Robert

“…Aerosol‐cloud interactions (ACI) in warm clouds are the primary source of uncertainty in effective radiative forcing (ERF) during the historical period and, by…”
Get full text

Untangling causality in midlatitude aerosol–cloud adjustments by McCoy, Daniel T., Field, Paul, Gordon, Hamish, Elsaesser, Gregory S., Grosvenor, Daniel P.

“…Aerosol–cloud interactions represent the leading uncertainty in our ability to infer climate sensitivity from the observational record. The forcing from…”
Get full text

Predicting decadal trends in cloud droplet number concentration using reanalysis and satellite data by McCoy, Daniel T, Bender, Frida A.-M, Grosvenor, Daniel P, Mohrmann, Johannes K, Hartmann, Dennis L, Wood, Robert, Field, Paul R

“…Cloud droplet number concentration (CDNC) is the key state variable that moderates the relationship between aerosol and the radiative forcing arising from…”
Get full text

Natural aerosols explain seasonal and spatial patterns of Southern Ocean cloud albedo by McCoy, Daniel T, Burrows, Susannah M, Wood, Robert, Grosvenor, Daniel P, Elliott, Scott M, Ma, Po-Lun, Rasch, Phillip J, Hartmann, Dennis L

“…Atmospheric aerosols, suspended solid and liquid particles, act as nucleation sites for cloud drop formation, affecting clouds and cloud properties-ultimately…”
Get full text

Aerosol Midlatitude Cyclone Indirect Effects in Observations and High-Resolution Simulations by Mccoy, Daniel T., Field, Paul R., Schmidt, Anja, Grosvenor, Daniel P., Bender, Frida A.-M., Shipway, Ben J., Hill, Adrian A., Wilkinson, Jonathan M., Elsaesser, Gregory S.

“…Aerosol-cloud interactions are a major source of uncertainty in inferring the climate sensitivity from the observational record of temperature. The adjustment…”
Get full text

Cloud feedbacks in extratropical cyclones: insight from long-term satellite data and high-resolution global simulations by McCoy, Daniel T, Field, Paul R, Elsaesser, Gregory S, Bodas-Salcedo, Alejandro, Kahn, Brian H, Zelinka, Mark D, Kodama, Chihiro, Mauritsen, Thorsten, Vanniere, Benoit, Roberts, Malcolm, Vidale, Pier L, Saint-Martin, David, Voldoire, Aurore, Haarsma, Rein, Hill, Adrian, Shipway, Ben, Wilkinson, Jonathan

“…A negative extratropical shortwave cloud feedback driven by changes in cloud optical depth is a feature of global climate models (GCMs). A robust positive…”
Get full text

Assessing effective radiative forcing from aerosol-cloud interactions over the global ocean by Wall, Casey J, Norris, Joel R, Possner, Anna, McCoy, Daniel T, McCoy, Isabel L, Lutsko, Nicholas J

“…How clouds respond to anthropogenic sulfate aerosols is one of the largest sources of uncertainty in the radiative forcing of climate over the industrial era…”
Get full text

Observations of a substantial cloud-aerosol indirect effect during the 2014-2015 Baroarbunga-Veioivotn fissure eruption in Iceland by McCoy, Daniel T, Hartmann, Dennis L

“…The Baroarbunga-Veioivotn fissure eruption lasted from 31 August 2014 to 28 February 2015, during which its sulfur emissions dwarfed anthropogenic emissions…”
Get full text

A Regime-Oriented Approach to Observationally Constraining Extratropical Shortwave Cloud Feedbacks by McCoy, Daniel T., Field, Paul, Bodas-Salcedo, Alejandro, Elsaesser, Gregory S., Zelinka, Mark D.

“…The extratropical shortwave (SW) cloud feedback is primarily due to increases in extratropical liquid cloud extent and optical depth. Here, we examine the…”
Get full text

Opportunistic Experiments to Constrain Aerosol Effective Radiative Forcing by Christensen, Matthew W, Gettelman, Andrew, Cermak, Jan, Dagan, Guy, Diamond, Michael, Douglas, Alyson, Feingold, Graham, Glassmeier, Franziska, Goren, Tom, Grosvenor, Daniel P, Gryspeerdt, Edward, Kahn, Ralph, Li, Zhanqing, Ma, Po-Lun, Malavelle, Florent, McCoy, Isabel L, McCoy, Daniel T, McFarquhar, Greg, Mülmenstädt, Johannes, Pal, Sandip, Possner, Anna, Povey, Adam, Quaas, Johannes, Rosenfeld, Daniel, Schmidt, Anja, Schrödner, Roland, Sorooshian, Armin, Stier, Philip, Toll, Velle, Watson-Parris, Duncan, Wood, Robert, Yang, Mingxi, Yuan, Tianle

“…Aerosol-cloud interactions (ACI) are considered to be the most uncertain driver of present-day radiative forcing due to human activities. The non-linearity of…”
Get full text

Extratropical Shortwave Cloud Feedbacks in the Context of the Global Circulation and Hydrological Cycle by McCoy, Daniel T, Field, Paul, Zelinka, Mark D, Elsaesser, Gregory S, Mülmenstädt, Johannes, Tan, Ivy, Myers, Timothy A, Lebo, Zachary J

“…Shortwave (SW) cloud feedback (SWFB) is the primary driver of uncertainty in the effective climate sensitivity (ECS) predicted by global climate models (GCMs)…”
Get full text