Search Results - "Randles, A"

Anthropogenic aerosol forcing of the Atlantic meridional overturning circulation and the associated mechanisms in CMIP6 models by Hassan, Taufiq, Allen, Robert J, Liu, Wei, Randles, Cynthia A

“…By regulating the global transport of heat, freshwater, and carbon, the Atlantic meridional overturning circulation (AMOC) serves as an important component of…”
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The MERRA-2 Aerosol Reanalysis, 1980 Onward. Part I: System Description and Data Assimilation Evaluation by Randles, C. A., Silva, A. M. da, Buchard, V., Colarco, P. R., Darmenov, A., Govindaraju, R., Smirnov, A., Holben, B., Ferrare, R., Hair, J., Shinozuka, Y., Flynn, C. J.

“…The Modern-Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2), updates NASA’s previous satellite-era (1980 onward) reanalysis system…”
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The MERRA-2 Aerosol Reanalysis, 1980 Onward. Part II: Evaluation and Case Studies by Buchard, V., Randles, C. A., da Silva, A. M., Darmenov, A., Colarco, P. R., Govindaraju, R., Ferrare, R., Hair, J., Beyersdorf, A. J., Ziemba, L. D., Yu, H.

“…The Modern-Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2), is NASA’s latest reanalysis for the satellite era (1980 onward) using…”
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Using the OMI aerosol index and absorption aerosol optical depth to evaluate the NASA MERRA Aerosol Reanalysis by Buchard, V, da Silva, A. M, Colarco, P. R, Darmenov, A, Randles, C. A, Govindaraju, R, Torres, O, Campbell, J, Spurr, R

“…A radiative transfer interface has been developed to simulate the UV aerosol index (AI) from the NASA Goddard Earth Observing System version 5 (GEOS-5) aerosol…”
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Impact of radiatively interactive dust aerosols in the NASA GEOS-5 climate model: Sensitivity to dust particle shape and refractive index by Colarco, Peter R., Nowottnick, Edward P., Randles, Cynthia A., Yi, Bingqi, Yang, Ping, Kim, Kyu-Myong, Smith, Jamison A., Bardeen, Charles G.

“…The radiative effects of Saharan dust aerosols are investigated in the NASA GEOS‐5 atmospheric general circulation model. A sectional aerosol microphysics…”
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A framework for comparing vascular hemodynamics at different points in time by Gounley, J., Vardhan, M., Randles, A.

“…Computational simulations of blood flow contribute to our understanding of the interplay between vascular geometry and hemodynamics. With an improved…”
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Present-day methane shortwave absorption mutes surface warming relative to preindustrial conditions by Allen, Robert J, Zhao, Xueying, Randles, Cynthia A, Kramer, Ryan J, Samset, Bjørn H, Smith, Christopher J

“…Recent analyses show the importance of methane shortwave absorption, which many climate models lack. In particular, Allen et al. (2023) used idealized climate…”
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Enhanced land–sea warming contrast elevates aerosol pollution in a warmer world by Allen, Robert J., Hassan, Taufiq, Randles, Cynthia A., Su, Hui

“…Many climate models simulate an increase in anthropogenic aerosol species in response to warming 1 , particularly over the Northern Hemisphere mid-latitudes…”
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Assessing the capability of different satellite observing configurations to resolve the distribution of methane emissions at kilometer scales by Turner, Alexander J, Jacob, Daniel J, Benmergui, Joshua, Brandman, Jeremy, White, Laurent, Randles, Cynthia A

“…Anthropogenic methane emissions originate from a large number of fine-scale and often transient point sources. Satellite observations of atmospheric methane…”
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Detecting high-emitting methane sources in oil/gas fields using satellite observations by Cusworth, Daniel H, Jacob, Daniel J, Sheng, Jian-Xiong, Benmergui, Joshua, Turner, Alexander J, Brandman, Jeremy, White, Laurent, Randles, Cynthia A

“…Methane emissions from oil/gas fields originate from a large number of relatively small and densely clustered point sources. A small fraction of high-mode…”
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Application of physics-based flow models in cardiovascular medicine: Current practices and challenges by Vardhan, M, Randles, A

“…Personalized physics-based flow models are becoming increasingly important in cardiovascular medicine. They are a powerful complement to traditional methods of…”
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Evaluating the detectability of methane point sources from satellite observing systems using microscale modeling by Bhardwaj, Piyush, Kumar, Rajesh, Mitchell, Douglas A., Randles, Cynthia A., Downey, Nicole, Blewitt, Doug, Kosovic, Branko

“…This study evaluates the efficacy of current satellite observing systems to detect methane point sources from typical oil and gas production (O&G) facilities…”
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Surface warming and wetting due to methane’s long-wave radiative effects muted by short-wave absorption by Allen, Robert J., Zhao, Xueying, Randles, Cynthia A., Kramer, Ryan J., Samset, Bjørn H., Smith, Christopher J.

“…Although greenhouse gases absorb primarily long-wave radiation, they also absorb short-wave radiation. Recent studies have highlighted the importance of…”
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High-resolution US methane emissions inferred from an inversion of 2019 TROPOMI satellite data: contributions from individual states, urban areas, and landfills by Nesser, Hannah, Jacob, Daniel J, Maasakkers, Joannes D, Lorente, Alba, Chen, Zichong, Lu, Xiao, Shen, Lu, Qu, Zhen, Sulprizio, Melissa P, Winter, Margaux, Ma, Shuang, Bloom, A. Anthony, Worden, John R, Stavins, Robert N, Randles, Cynthia A

“…We quantify 2019 annual mean methane emissions in the contiguous US (CONUS) at 0.25° × 0.3125° resolution by inverse analysis of atmospheric methane columns…”
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Absorbing aerosols over Asia: A Geophysical Fluid Dynamics Laboratory general circulation model sensitivity study of model response to aerosol optical depth and aerosol absorption by Randles, C. A., Ramaswamy, V.

“…Forcing by absorbing atmospheric black carbon (BC) tends to heat the atmosphere, cool the surface, and reduce the surface latent and sensible heat fluxes. BC…”
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Potential of next-generation imaging spectrometers to detect and quantify methane point sources from space by Cusworth, Daniel H, Jacob, Daniel J, Varon, Daniel J, Chan Miller, Christopher, Liu, Xiong, Chance, Kelly, Thorpe, Andrew K, Duren, Riley M, Miller, Charles E, Thompson, David R, Frankenberg, Christian, Guanter, Luis, Randles, Cynthia A

“…We examine the potential for global detection of methane plumes from individual point sources with the new generation of spaceborne imaging spectrometers…”
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Intercomparison of shortwave radiative transfer schemes in global aerosol modeling: results from the AeroCom Radiative Transfer Experiment by Randles, C. A, Kinne, S, Myhre, G, Schulz, M, Stier, P, Fischer, J, Doppler, L, Highwood, E, Ryder, C, Harris, B, Huttunen, J, Ma, Y, Pinker, R. T, Mayer, B, Neubauer, D, Hitzenberger, R, Oreopoulos, L, Lee, D, Pitari, G, Di Genova, G, Quaas, J, Rose, F. G, Kato, S, Rumbold, S. T, Vardavas, I, Hatzianastassiou, N, Matsoukas, C, Yu, H, Zhang, F, Zhang, H, Lu, P

“…In this study we examine the performance of 31 global model radiative transfer schemes in cloud-free conditions with prescribed gaseous absorbers and no…”
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Moments-based method for boundary conditions in the lattice Boltzmann framework: A comparative analysis for the lid driven cavity flow by Bazarin, R.L.M., Philippi, P.C., Randles, A., Hegele, L.A.

“…Dealing with boundary conditions (BC) was ever considered a puzzling question in the lattice Boltzmann (LB) method. The most popular BC models are based on…”
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Direct and semi-direct impacts of absorbing biomass burning aerosol on the climate of southern Africa: a Geophysical Fluid Dynamics Laboratory GCM sensitivity study by Randles, C. A., Ramaswamy, V.

“…Tropospheric aerosols emitted from biomass burning reduce solar radiation at the surface and locally heat the atmosphere. Equilibrium simulations using an…”
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The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2) by Gelaro, Ronald, McCarty, Will, Suárez, Max J., Todling, Ricardo, Molod, Andrea, Takacs, Lawrence, Randles, Cynthia A., Darmenov, Anton, Bosilovich, Michael G., Reichle, Rolf, Wargan, Krzysztof, Coy, Lawrence, Cullather, Richard, Draper, Clara, Akella, Santha, Buchard, Virginie, Conaty, Austin, Da Silva, Arlindo M., Gu, Wei, Kim, Gi-Kong, Koster, Randal, Lucchesi, Robert, Merkova, Dagmar, Nielsen, Jon Eric, Partyka, Gary, Pawson, Steven, Putman, William, Rienecker, Michele, Schubert, Siegfried D., Sienkiewicz, Meta, Zhao, Bin

“…The Modern-Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2), is the latest atmospheric reanalysis of the modern satellite era…”
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