pacific decadal oscillation (pdo)

The Pacific Decadal Oscillation (PDO) is a long-term climate pattern that affects the Pacific Ocean and its surrounding regions, characterized by the alternating phases of warm and cool sea surface temperatures. It typically lasts for 10 to 30 years, and influences weather patterns, ocean currents, and marine ecosystems. The PDO plays a significant role in shaping the climate variations along the western coast of North America and can impact weather conditions globally.

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