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In climatology, the term mesothermal is used to refer to certain forms of climate found typically in the Earth's temperate zones. It has a moderate span of temperature, with winters not cold enough to sustain snow cover. Summers are warm within oceanic climate regimes, and hot within continental or subtropical climate regimes.
The thermoregulatory status of dinosaurs has long been debated, and is still an active area of research. The term 'mesothermy' was originally coined [6] to advocate for an intermediate status of non-avian dinosaur thermoregulation, between endotherms and ectotherms.
The term mesothermal refers to temperatures between 175 and 300 °C and a formation depth of 1.2–3.6 km. In 1993, the term orogenic gold deposits was introduced, as gold deposits of this type have a similar origin and gold mineralization is structurally controlled.
A mesothermal climate lacks persistent heat or persistent cold, with potential evaporation between 57 centimetres (22 in) and 114 centimetres (45 in). [37] A megathermal climate is one with persistent high temperatures and abundant rainfall, with potential annual evaporation in excess of 114 centimetres (45 in).
Group C: Temperate/mesothermal climates. Temperate climate distribution. In the Köppen climate system, temperate climates are defined as having an average ...
Mesothermal — mineral ore deposits formed at moderate temperature and pressure, in and along fissures or other openings in rocks, by deposition at intermediate depths, from hydrothermal fluids. [ 4 ]
The major classifications in Thornthwaite's climate classification are microthermal, mesothermal, and megathermal. [5] Finally, the Bergeron and Spatial Synoptic Classification systems focus on the origin of air masses that define the climate of a region. Paleoclimatology is the study of ancient climates.
Megathermal climates are sometimes split into two temperature-based subsets – equatorial and tropical (the latter used here in the sense of "outer tropical") –, with "equatorial" denoting little or no variation in temperature throughout the year and "tropical" denoting significant seasonal temperature variation, even though no month has an average temperature of below 18 °C.