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pro vyhledávání: '"Perkins W"'
Autor:
Clark, Spencer K., Watt-Meyer, Oliver, Kwa, Anna, McGibbon, Jeremy, Henn, Brian, Perkins, W. Andre, Wu, Elynn, Bretherton, Christopher S., Harris, Lucas M.
While autoregressive machine-learning-based emulators have been trained to produce stable and accurate rollouts in the climate of the present-day and recent past, none so far have been trained to emulate the sensitivity of climate to substantial chan
Externí odkaz:
http://arxiv.org/abs/2412.04418
Autor:
Watt-Meyer, Oliver, Henn, Brian, McGibbon, Jeremy, Clark, Spencer K., Kwa, Anna, Perkins, W. Andre, Wu, Elynn, Harris, Lucas, Bretherton, Christopher S.
Existing machine learning models of weather variability are not formulated to enable assessment of their response to varying external boundary conditions such as sea surface temperature and greenhouse gases. Here we present ACE2 (Ai2 Climate Emulator
Externí odkaz:
http://arxiv.org/abs/2411.11268
Autor:
Kwa, Anna, Clark, Spencer K., Henn, Brian, Brenowitz, Noah D., McGibbon, Jeremy, Perkins, W. Andre, Watt-Meyer, Oliver, Harris, Lucas, Bretherton, Christopher S.
Due to computational constraints, running global climate models (GCMs) for many years requires a lower spatial grid resolution (${\gtrsim}50$ km) than is optimal for accurately resolving important physical processes. Such processes are approximated i
Externí odkaz:
http://arxiv.org/abs/2211.11820
Autor:
Brenowitz, Noah D., Perkins, W. Andre, Nugent, Jacqueline M., Watt-Meyer, Oliver, Clark, Spencer K., Kwa, Anna, Henn, Brian, McGibbon, Jeremy, Bretherton, Christopher S.
Cloud microphysical parameterizations in atmospheric models describe the formation and evolution of clouds and precipitation, a central weather and climate process. Cloud-associated latent heating is a primary driver of large and small-scale circulat
Externí odkaz:
http://arxiv.org/abs/2211.10774
Autor:
Perkins, W. Andre1 (AUTHOR) andrep@allenai.org, Brenowitz, Noah D.2 (AUTHOR), Bretherton, Christopher S.1 (AUTHOR), Nugent, Jacqueline M.3 (AUTHOR)
Publikováno v:
Journal of Advances in Modeling Earth Systems. Apr2024, Vol. 16 Issue 4, p1-18. 18p.
Autor:
Fernández-Valenzuela, E., Pinilla-Alonso, N., Stansberry, J., Emery, J. P., Perkins, W., Van Laerhoven, C., Gladman, B. J., Fraser, W., Cruikshank, D., Lellouch, E., Müller, T. G., Grundy, W. M., Trilling, D., Fernandez, Y., Dalle-Ore, C.
Using data from the Infrared Array Camera on the Spitzer Space Telescope, we present photometric observations of a sample of 100 trans-Neptunian objects (TNOs) beyond 2.2 {\mu}m. These observations, collected with two broad-band filters centered at 3
Externí odkaz:
http://arxiv.org/abs/2011.07121
Autor:
Brenowitz, Noah D., Henn, Brian, McGibbon, Jeremy, Clark, Spencer K., Kwa, Anna, Perkins, W. Andre, Watt-Meyer, Oliver, Bretherton, Christopher S.
Climate models are complicated software systems that approximate atmospheric and oceanic fluid mechanics at a coarse spatial resolution. Typical climate forecasts only explicitly resolve processes larger than 100 km and approximate any process occurr
Externí odkaz:
http://arxiv.org/abs/2011.03081
Akademický článek
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Akademický článek
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Autor:
Perkins, W. A.
Publikováno v:
W. A. Perkins, Int. J. Theor. Phys. 47, 1316 (2008)
Long ago an unexpected and unexplainable phenomena was observed. The distribution of muons from positive pion decay at rest was anisotropic with an excess in the backward direction relative to the direction of the proton beam from which the pions wer
Externí odkaz:
http://arxiv.org/abs/0807.3182