3 ms·
Has this temperature average been measured by exactly the same stations over all those years? Or is this satellite data? Edit: Looks like it is a model that co
by 7373737373 3y ago
Has this temperature average been measured by exactly the same stations over all those years? Or is this satellite data?
Edit: Looks like it is a model that combines many sources: https://confluence.ecmwf.int/display/CKB/ERA5%3A+data+documentation#ERA5:datadocumentation-Observations https://confluence.ecmwf.int/display/CKB/ERA5%3A+data+docume...
- veave 3y ago[flagged]
- 7373737373 3y agoIt's good to be skeptical of models, but a bit too much to presume any ill intention without evidence of the same. Let's see if we can find any singular raw data source, so we can verify for ourselves (or "closer to the measurement" (which doesn't imply "closer to reality" - a good model combining several data sources would be closer to reality than a singular source), since satellite data probably needs a lot of pre-processing)
- bwestergard 3y agoThere is no such thing as "raw data" independent of past practice, because all measurements gain their meaning from a model (though this is more or less explicit in different engineering and scientific contexts). For example, we might say that a "thermocouple is a temperature sensor". But a bunch of physical assumptions have to be made - a model needs to be adopted - in order for a person to justify a temperature reading using a thermocouple. https://en.wikipedia.org/wiki/Thermocouple#Principle_of_operation https://en.wikipedia.org/wiki/Thermocouple#Principle_of_oper...
- jvm___ 3y agoBritish statistician named George Box wrote the famous line, “All models are wrong, some are useful.”