physics.ao-ph · 2026-10-01 · No. 130

Atmospheric and Oceanic Physics, 2026-10-01.

1 new papers in physics.ao-ph. Titles, authors, abstracts. Links to arXiv. Want this in your inbox every morning? Subscribe →

01 — The papers

1 entries
  1. 01

    Less is more: error-distance scaling relation for data-efficient kilometer-scale downscaling of extreme heat

    Ahmed Marey, Henry Lu, Abhishek Gaur, Liangzhu Leon Wang, Sherif Goubran, Malek Aloui, Theodore Potsis, Alex...

    physics.ao-ph · cs.LG

    Extreme heat is where urban adaptation needs kilometer-scale data the most, but the simulations training a downscaler can cost more than they save, and how much is needed has not been identified. We measured it with CASPER, a U-Net with a structure-preserving loss downscaling 32 km reanalysis to 1 km temperature, humidity and wind, across 24 configurations of one to eight months. Held-out error grows linearly with climatological distance to...

    arxiv.org/abs/2609.40140 · PDF

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