地理漫步·世界地理英语30篇（4）
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The Gulf Stream Extension: Oceanic Heat Transport Beyond the North Atlantic Drift
湾流延伸段：超越北大西洋漂流的海洋热量输送带
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The Gulf Stream does not end at Cape Hatteras but continues northeast as a meandering extension.
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This warm-water corridor transports heat from the subtropics toward Iceland and the Barents Sea.
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Its path shifts seasonally, influencing regional air temperatures by up to 10°C compared to similar latitudes.
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Marine ecosystems depend on its thermal gradient, which supports plankton blooms and migratory fish routes.
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Eddies shed from its edges create isolated warm-core and cold-core mesoscale features.
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Atmospheric storm tracks intensify where the stream interacts with cold continental air masses.
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Climate models show weakening circulation could displace the stream’s northern terminus southward.
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Such displacement would reconfigure marine productivity zones and coastal climate regimes.
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Satellite altimetry reveals subtle changes in its velocity and thermal structure over decadal scales.
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This dynamic system exemplifies how ocean currents organize energy distribution across hemispheric space.