Zobrazeno 1 - 10
of 230
pro vyhledávání: '"J S, Johnson"'
Autor:
L. A. Regayre, L. Deaconu, D. P. Grosvenor, D. M. H. Sexton, C. Symonds, T. Langton, D. Watson-Paris, J. P. Mulcahy, K. J. Pringle, M. Richardson, J. S. Johnson, J. W. Rostron, H. Gordon, G. Lister, P. Stier, K. S. Carslaw
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 8749-8768 (2023)
Aerosol radiative forcing uncertainty affects estimates of climate sensitivity and limits model skill in terms of making climate projections. Efforts to improve the representations of physical processes in climate models, including extensive comparis
Externí odkaz:
https://doaj.org/article/947d18eccce7480ca75860cf064e072e
Autor:
E. Reyes-Villegas, D. Lowe, J. S. Johnson, K. S. Carslaw, E. Darbyshire, M. Flynn, J. D. Allan, H. Coe, Y. Chen, O. Wild, S. Archer-Nicholls, A. Archibald, S. Singh, M. Shrivastava, R. A. Zaveri, V. Singh, G. Beig, R. Sokhi, G. McFiggans
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 5763-5782 (2023)
The nature and origin of organic aerosol in the atmosphere remain unclear. The gas–particle partitioning of semi-volatile organic compounds (SVOCs) that constitute primary organic aerosols (POAs) and the multigenerational chemical aging of SVOCs ar
Externí odkaz:
https://doaj.org/article/03a1c321bf674456add7e17314219528
Autor:
G. Balco, N. Brown, K. Nichols, R. A. Venturelli, J. Adams, S. Braddock, S. Campbell, B. Goehring, J. S. Johnson, D. H. Rood, K. Wilcken, B. Hall, J. Woodward
Publikováno v:
The Cryosphere, Vol 17, Pp 1787-1801 (2023)
Cosmogenic-nuclide concentrations in subglacial bedrock cores show that the West Antarctic Ice Sheet (WAIS) at a site between Thwaites and Pope glaciers was at least 35 m thinner than present in the past several thousand years and then subsequently t
Externí odkaz:
https://doaj.org/article/c5fab67e62fb49edaee227aa6a73d0f5
Autor:
J. R. Adams, J. S. Johnson, S. J. Roberts, P. J. Mason, K. A. Nichols, R. A. Venturelli, K. Wilcken, G. Balco, B. Goehring, B. Hall, J. Woodward, D. H. Rood
Publikováno v:
The Cryosphere, Vol 16, Pp 4887-4905 (2022)
Evidence for the timing and pace of past grounding line retreat of the Thwaites Glacier system in the Amundsen Sea embayment (ASE) of Antarctica provides constraints for models that are used to predict the future trajectory of the West Antarctic Ice
Externí odkaz:
https://doaj.org/article/18dbbc1b2b2f4e7da967cc30687c5065
Autor:
J. S. Johnson, C. N. Jen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 8287-8297 (2022)
Observations over the last decade have demonstrated that the atmosphere contains potentially hundreds of compounds that can react with sulfuric acid to nucleate stable aerosol particles. Consequently, modeling atmospheric nucleation requires detailed
Externí odkaz:
https://doaj.org/article/6d0d836c13d14220b8c5c4e61716f59b
Autor:
J. S. Johnson, R. A. Venturelli, G. Balco, C. S. Allen, S. Braddock, S. Campbell, B. M. Goehring, B. L. Hall, P. D. Neff, K. A. Nichols, D. H. Rood, E. R. Thomas, J. Woodward
Publikováno v:
The Cryosphere, Vol 16, Pp 1543-1562 (2022)
Widespread existing geological records from above the modern ice sheet surface and outboard of the current ice margin show that the Antarctic Ice Sheet (AIS) was much more extensive at the Last Glacial Maximum (∼ 20 ka) than at present. However, wh
Externí odkaz:
https://doaj.org/article/d97c5f03a7e14839ab9da581375d590a
Publikováno v:
npj Computational Materials, Vol 8, Iss 1, Pp 1-10 (2022)
Abstract Accelerated design of hard-coating materials requires state-of-the-art computational tools, which include data-driven techniques, building databases, and training machine learning models. We develop a heavily automated high-throughput workfl
Externí odkaz:
https://doaj.org/article/e4a5fd12658c4ffaac543590b5c76934
Autor:
R. E. Hawker, A. K. Miltenberger, J. S. Johnson, J. M. Wilkinson, A. A. Hill, B. J. Shipway, P. R. Field, B. J. Murray, K. S. Carslaw
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 17315-17343 (2021)
Ice crystal formation in the mixed-phase region of deep convective clouds can affect the properties of climatically important convectively generated anvil clouds. Small ice crystals in the mixed-phase cloud region can be formed by heterogeneous ice n
Externí odkaz:
https://doaj.org/article/0406ce2115404cb49f63c60e8885a04d
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 2693-2723 (2021)
A global model perturbed parameter ensemble of 60 simulations was used to explore how combinations of six parameters related to secondary organic aerosol (SOA) formation affect particle number concentrations and organic aerosol mass. The parameters r
Externí odkaz:
https://doaj.org/article/0b37788f695e4d4db97dfbd423a98ef2
Autor:
L. A. Regayre, J. Schmale, J. S. Johnson, C. Tatzelt, A. Baccarini, S. Henning, M. Yoshioka, F. Stratmann, M. Gysel-Beer, D. P. Grosvenor, K. S. Carslaw
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 10063-10072 (2020)
Aerosol measurements over the Southern Ocean are used to constrain aerosol–cloud interaction radiative forcing (RFaci) uncertainty in a global climate model. Forcing uncertainty is quantified using 1 million climate model variants that sample the u
Externí odkaz:
https://doaj.org/article/8e4337e530ae4897ae696d841a5b66f2