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This chapter focuses on air temperature—that is, the temperature of the air as observed at 1.2 m (4 ft) above the ground surface. Air temperature conditions many aspects of human life, from the clothing we wear to the fuel costs we pay.
Extremes of surface air temperature, both heat waves and extreme cold periods, are particular important for human health. Surface air temperature provides a key indicator of climate change, contributing to the “global surface temperature record”.
Put simply, the global surface temperature (GST) is calculated by averaging the temperatures over sea (sea surface temperature) and land (surface air temperature). In comparison, the global mean surface air temperature (GSAT) is the "global average of near-surface air temperatures over land, oceans and sea ice .
23 wrz 2024 · This page provides time series and map visualizations of daily mean surface air temperature (2-meter height) estimates from the ECMWF Reanalysis version 5 (ERA5) for the period January 1940 to present (see ERA5 attribution below).
Atmospheric temperature is a measure of temperature at different levels of the Earth's atmosphere. It is governed by many factors, including incoming solar radiation, humidity, and altitude. The abbreviation MAAT is often used for Mean Annual Air Temperature of a geographical location.
When we use the term ‘temperature’ here, we mean the temperature close to the Earth’s surface, hence the term ‘surface air temperatures.’ For land surfaces, this usually refers to the air temperature at a 2m height above the surface.
4 paź 2024 · Explore Earth’s mean surface air temperature averaged from 1981-2010 as calculated by the Copernicus Climate Change Service. Biology, Ecology, Conservation, Earth Science, Climatology, Meteorology, Geography, Geographic Information Systems (GIS), Human Geography, Physical Geography.
