期刊
LIMNOLOGY AND OCEANOGRAPHY
卷 56, 期 3, 页码 1141-1154出版社
AMER SOC LIMNOLOGY OCEANOGRAPHY
DOI: 10.4319/lo.2011.56.3.1141
关键词
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资金
- University of Minnesota
- National Science Foundation Geosciences directorate [0825633]
- NOAA office
- United States Department of Commerce [NA07OAR4170009]
- Directorate For Geosciences
- Division Of Ocean Sciences [0825633] Funding Source: National Science Foundation
We use a one-dimensional model, forced with realistic meteorological measurements, to determine to first order the sensitivity of summer surface water temperature, heat content, and vertical stratification scale to three forcing variables: air temperature, wind speed, and previous winter ice cover, all three of which have exhibited long-term trends over the last few decades. Summer-averaged surface temperature increases with increased air temperature, decreased ice cover, and decreased wind speed. Differences in heat content between model runs with differing initial temperatures (a proxy for winter ice cover) decrease over the course of the season, but significant differences present in late spring persist through the summer season. Interannual variability in wind speed is the predominant driver of variability in the vertical stratification scale.
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