Winter cold intensity 1550-1590 in central Spain
<|begin_of_text|><|start_header_id|>system<|end_header_id|> You are a research archivist expert in dataset metadata. Answer the question truthfully.  <|eot_id|><|start_header_id|>user<|end_header_id|> Here is the Description of a dataset. Description:'This 1550-1590 time series was reconstructed according to the intensity and significance of the meteorological data collected in historical archives and subsequently, assigning to them an ordinal index of intensity, ranging from + 4 to – 4. A reference series from 1960-90, belonging to a meteorological station situated in the area was used to convert the ordinal index into temperatures' . Please return only a json list of at most 3 Keywords corresponding to the Description:.<|eot_id|><|start_header_id|>assistant<|end_header_id|> {"Answer" : ["16th century","Historical climatology","historical environmental changes","Sierra de Guadarrama (Spain)","winter temperatures"]} <|eot_id|>
 Here is the Description of a dataset. Description:'This 1550-1590 time series was reconstructed according to the intensity and significance of the meteorological data collected in historical archives and subsequently, assigning to them an ordinal index of intensity, ranging from + 4 to – 4. A reference series from 1960-90, belonging to a meteorological station situated in the area was used to convert the ordinal index into temperatures' . Please return only a json list of at most 3 Keywords corresponding to the Description:.
This 1550-1590 time series was reconstructed according to the intensity and significance of the meteorological data collected in historical archives and subsequently, assigning to them an ordinal index of intensity, ranging from + 4 to – 4. A reference series from 1960-90, belonging to a meteorological station situated in the area was used to convert the ordinal index into temperatures
16th century; Historical climatology; historical environmental changes; Sierra de Guadarrama (Spain); winter temperatures