An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958

<p>An updated near-surface temperature reconstruction for the Antarctic continent is presented for 1958–2022 (65 years) as monthly anomalies relative to 1981–2010 (RECON; Bromwich and Wang, 2024, <span class="uri">https://doi.org/10.48567/efwt-jw56</span>). It is based on...

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Main Authors: D. Bromwich, S.-H. Wang, X. Zou, A. Ensign
Format: Article
Language:English
Published: Copernicus Publications 2025-06-01
Series:Earth System Science Data
Online Access:https://essd.copernicus.org/articles/17/2953/2025/essd-17-2953-2025.pdf
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author D. Bromwich
S.-H. Wang
X. Zou
A. Ensign
author_facet D. Bromwich
S.-H. Wang
X. Zou
A. Ensign
author_sort D. Bromwich
collection DOAJ
description <p>An updated near-surface temperature reconstruction for the Antarctic continent is presented for 1958–2022 (65 years) as monthly anomalies relative to 1981–2010 (RECON; Bromwich and Wang, 2024, <span class="uri">https://doi.org/10.48567/efwt-jw56</span>). It is based on monthly mean 2 m temperatures at 15 fixed stations that are spatially extrapolated to the entire continent using weights derived from the European Centre for Medium-Range Weather Forecasts Reanalysis v5 (ERA5) and has a grid spacing of 60 km. Infilling of the fixed station records is performed where necessary to yield complete time series for 1958–2022. Variability and trends are tested at independent stations that have much shorter periods of record. RECON is designed for Antarctic climate variability and change applications for large spatial scales and extended timescales.</p>
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spelling doaj-art-d9c449a6b25d4ea29c9f350f99d1400f2025-08-20T02:35:08ZengCopernicus PublicationsEarth System Science Data1866-35081866-35162025-06-01172953296210.5194/essd-17-2953-2025An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958D. Bromwich0S.-H. Wang1X. Zou2A. Ensign3Polar Meteorology Group, Byrd Polar and Climate Research Center, The Ohio State University, Columbus, Ohio 43210, USAPolar Meteorology Group, Byrd Polar and Climate Research Center, The Ohio State University, Columbus, Ohio 43210, USACenter for Western Water and Weather Extremes, Scripps Institution of Oceanography, La Jolla, California 92037, USAPolar Meteorology Group, Byrd Polar and Climate Research Center, The Ohio State University, Columbus, Ohio 43210, USA<p>An updated near-surface temperature reconstruction for the Antarctic continent is presented for 1958–2022 (65 years) as monthly anomalies relative to 1981–2010 (RECON; Bromwich and Wang, 2024, <span class="uri">https://doi.org/10.48567/efwt-jw56</span>). It is based on monthly mean 2 m temperatures at 15 fixed stations that are spatially extrapolated to the entire continent using weights derived from the European Centre for Medium-Range Weather Forecasts Reanalysis v5 (ERA5) and has a grid spacing of 60 km. Infilling of the fixed station records is performed where necessary to yield complete time series for 1958–2022. Variability and trends are tested at independent stations that have much shorter periods of record. RECON is designed for Antarctic climate variability and change applications for large spatial scales and extended timescales.</p>https://essd.copernicus.org/articles/17/2953/2025/essd-17-2953-2025.pdf
spellingShingle D. Bromwich
S.-H. Wang
X. Zou
A. Ensign
An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958
Earth System Science Data
title An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958
title_full An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958
title_fullStr An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958
title_full_unstemmed An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958
title_short An updated reconstruction of Antarctic near-surface air temperatures at monthly intervals since 1958
title_sort updated reconstruction of antarctic near surface air temperatures at monthly intervals since 1958
url https://essd.copernicus.org/articles/17/2953/2025/essd-17-2953-2025.pdf
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