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        <title>The Occurrence of Near‐0°C Surface Air Temperatures in the Current and Pseudo‐Global Warming Future Over Southern Canada</title>
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        <namePart type="given">Ronald</namePart>
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        <namePart type="family">Thériault</namePart>
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            <title>Journal of Geophysical Research: Atmospheres, Volume 128, Issue 6</title>
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            <publisher>American Geophysical Union (AGU)</publisher>
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    <abstract>Abstract Temperatures near 0°C represent a critical threshold for many environmental processes and socio‐economic activities. This study examines surface air temperatures ( T ) near 0°C (−2°C łeq T łeq 2°C) across much of southern Canada over a 13 year period (October 2000–September 2013). It utilized hourly data from 39 weather stations and from 4‐km resolution Weather Research and Forecasting model simulations that were both a retrospective simulation as well as a pseudo‐global warming simulation applicable near the end of the 21st century. Average annual occurrences of near‐0°C conditions increase by a relatively small amount of 5.1% from 985 hr in the current climate to 1,035 hr within the future one. Near‐0°C occurrences with precipitation vary from \textless5% to approximately 50% of these values. Near‐0°C occurrences are sometimes higher than values of neighboring temperatures. These near‐0°C peaks in temperature distributions can occur in both the current and future climate, in only one, or in neither. Only 4.3% of southern Canada is not associated with a near‐0°C peak and 65.8% is associated with a near‐0°C peak in both climates. It is inferred that latent heat exchanges from the melting and freezing of, for example, precipitation and the snowpack contribute significantly to some of these findings.</abstract>
    <identifier type="citekey">Stewart-2023-The</identifier>
    <identifier type="doi">10.1029/2022jd037981</identifier>
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        <url>https://gwf-uwaterloo.github.io/gwf-publications/G23-76001</url>
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    <part>
        <date>2023</date>
        <detail type="volume"><number>128</number></detail>
        <detail type="issue"><number>6</number></detail>
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%0 Journal Article
%T The Occurrence of Near‐0°C Surface Air Temperatures in the Current and Pseudo‐Global Warming Future Over Southern Canada
%A Stewart, Ronald E.
%A Liu, Z.
%A Thériault, Julie M.
%A Ruman, C. J.
%J Journal of Geophysical Research: Atmospheres, Volume 128, Issue 6
%D 2023
%V 128
%N 6
%I American Geophysical Union (AGU)
%F Stewart-2023-The
%X Abstract Temperatures near 0°C represent a critical threshold for many environmental processes and socio‐economic activities. This study examines surface air temperatures ( T ) near 0°C (−2°C łeq T łeq 2°C) across much of southern Canada over a 13 year period (October 2000–September 2013). It utilized hourly data from 39 weather stations and from 4‐km resolution Weather Research and Forecasting model simulations that were both a retrospective simulation as well as a pseudo‐global warming simulation applicable near the end of the 21st century. Average annual occurrences of near‐0°C conditions increase by a relatively small amount of 5.1% from 985 hr in the current climate to 1,035 hr within the future one. Near‐0°C occurrences with precipitation vary from \textless5% to approximately 50% of these values. Near‐0°C occurrences are sometimes higher than values of neighboring temperatures. These near‐0°C peaks in temperature distributions can occur in both the current and future climate, in only one, or in neither. Only 4.3% of southern Canada is not associated with a near‐0°C peak and 65.8% is associated with a near‐0°C peak in both climates. It is inferred that latent heat exchanges from the melting and freezing of, for example, precipitation and the snowpack contribute significantly to some of these findings.
%R 10.1029/2022jd037981
%U https://gwf-uwaterloo.github.io/gwf-publications/G23-76001
%U https://doi.org/10.1029/2022jd037981

Markdown (Informal)

[The Occurrence of Near‐0°C Surface Air Temperatures in the Current and Pseudo‐Global Warming Future Over Southern Canada](https://gwf-uwaterloo.github.io/gwf-publications/G23-76001) (Stewart et al., GWF 2023)

• The Occurrence of Near‐0°C Surface Air Temperatures in the Current and Pseudo‐Global Warming Future Over Southern Canada (Stewart et al., GWF 2023)

ACL

• Ronald E. Stewart, Z. Liu, Julie M. Thériault, and C. J. Ruman. 2023. The Occurrence of Near‐0°C Surface Air Temperatures in the Current and Pseudo‐Global Warming Future Over Southern Canada. Journal of Geophysical Research: Atmospheres, Volume 128, Issue 6, 128(6).