Late Bronze Age Collapse: Difference between revisions

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(→‎Climate change & drought: adding climate effects)
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=== Climate change & drought ===
=== Climate change & drought ===


* worldwide drought and cooling conditions may have prevailed throughout the period
* drought and cooling conditions may have prevailed throughout the period
** the Middle Bronze Age Cold Epoch lasted from 1800-1500 BC
** the Middle Bronze Age Cold Epoch lasted from 1800-1500 BC
*** likely made more severe by major volcanic eruptions, including Thera in Greece (1620 BC)
*** likely made more severe by major volcanic eruptions, including Thera in Greece (1620 BC)
**** which largely contributed to the collapse of the Minoans, Middle Kingdom Egypt,  
**** which largely contributed to the collapse of the Minoans, Middle Kingdom Egypt,  
** a period of general warming followed, 1500-800, which would have led to increases in population and trade
** however, this warming was interrupted during the BAC period
*** evidence of drought:
**** reduced tree cover (forests) in Mediterranean region
**** reduced Nile River flow
**** level of the Dead Sea dropped by up to 150 ft
* the Hekla 3 volcanic eruption in Iceland accelerated the cooling and/or caused a period of cooling and dryness  
* the Hekla 3 volcanic eruption in Iceland accelerated the cooling and/or caused a period of cooling and dryness  
** dated at 1021, 1135 or 1159 BC
** dated at 1021, 1135 or 1159 BC
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** regardless, the BAC had started before the eruption
** regardless, the BAC had started before the eruption
* impacts of droughts & cooling:
* impacts of droughts & cooling:
** reduced growing season
*** soil depletion
*** longer winters
** crop failure leads to
** crop failure leads to
*** famine
*** famine