The temperature (may be in degrees F or C, or Kelvin) that is characteristic of the Earth’s surface. While we understand this concept since we live on the surface, a little care is needed for remote sensing data. This may refer to the temperature of the air above the surface (what we typically mean by surface temperature and what is in the weather forecast). It can also mean the actual temperature of the surface (think of a black top road on a summer day). For the ocean, it can mean the temperature of the very top layer of water, or the effective temperature of a thicker layer that includes the top. The remote sensing method used determines which temperature can be measured

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