https://klimaarchiv.info/1540-die-jahrtausendduerre.html
https://www.researchgate.net/publication/307833409_An_underestimated_record_breaking_event_why_summer_1540_was_very_likely_warmer_than_2003/fulltext/57d29c0508ae601b39a3fae0/An-underestimated-record-breaking-event-why-summer-1540-was-very-likely-warmer-than-2003.pdf
https://www.researchgate.net/publication/310299699_Did_European_temperatures_in_1540_exceed_present-day_records
https://cp.copernicus.org/preprints/cp-2020-92/cp-2020-92.pdf
En zo heb je nog meer papers over dat uitzonderlijk warme jaar.