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Global Surface Network
browse graphic Observations of climate parameters at or near the earth?s surface comprise a crucial part of GCOS. It is at the earth?s surface that human beings live. It is the interface between the atmosphere and the underlying components of the climate system: land, ocean, cryosphere and biosphere. The climate at the earth?s surface, the surface temperature in particular, is considered to be essential for monitoring climate variability and detecting anthropogenic climate change. It is therefore essential that GCOS provide the data sets to support the scientific and operational aspects of the climate at the earth?s surface. The GCOS surface climate data are a component of the overall Global Climate Observing System, and, as such, serve the overall GCOS purposes and users.