The temperature of a specified near-surface ocean layer. Skin and bulk measurements refer to different sampling depths. Coupled variations in sea surface temperature, winds and thermocline depth are central to El Niño–Southern Oscillation.
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Sea surface temperature (SST) refers to the temperature of the upper layer of the ocean, typically measured at a depth of about 1 millimeter to a few meters below the surface. SST is an important parameter in oceanography and meteorology as it plays a significant role in various environmental and climatic processes. Key points about sea surface temperature include: 1. **Measurement**: SST can be measured using buoys, ships, and satellites.