Ancient dramas shed light on Greece's halcyon days
A detail from an ancient Greek vase. Using details from ancient Greek plays, researchers have reconstructed the region's climate five centuries before the common era. Photo by Barta IV/flickr.
March 10, 2014
History and literature provide evidence of consistently mild mid-winter weather in ancient Greece, helping climate scientists to reconstruct the past and so understand the future.
By Tim Radford
Climate News Network
LONDON – Fifth century Athens, in January at least, offered clear skies and little rain. The days, to use a classical reference, were halcyon.
Two Greek researchers have combed the great plays of Aeschylus, Sophocles and Euripides and the bawdy comedies of Aristophanes to deliver a long-term weather report for mid-winter days from 458 BC to 401 BC. They report in the Royal Meteorological Society's journal Weather that the city was clearly a good place to hold open-air stage productions in mid-winter. Sophocles, in his masterpiece Oedipus at Colonus, actually says so:
"A distant music, pure and clear rises from green secluded vales. The constant trill of nightingales deep in their haunts of tangled vine, of sacred ivy, dark as wine, thick is the god's inviolate wood; rich in berries and rich in fruit, the sun is curtained; the wind is mute, in winter."
Looking back, to see forward
To understand the climate of the future, scientists must reconstruct the patterns of the past, long before the first formal weather records. They do this by examining pollens in lake beds, growth rings in ancient trees, ice cores and ocean muds to deliver circumstantial evidence of bygone seasons.
But there are also indirect references in human records: in naval log books, in medieval tax records, in monastic manuscripts, and in chronicles from Baghdad in the golden age of Islamic scholarship.
Christina Chronopoulou of the National and Kapodistrian University of Athens, and a colleague from Panteion University in the same city, combed 43 surviving works performed during the Lenaia celebrations in mid-winter. They found seven clear direct and indirect references to the beneficial halcyon days of mid-winter.
The halcyon days are now a cliché but once referred to the myth of Alcyone, the grieving widow who was turned into a kingfisher by the gods, and who nested on the beach at midwinter.
Great plays, good weather
But the fact the ancient Greeks routinely watched and expected to watch drama in open amphitheaters during the Attic month of Gamelion, which ran from 15 January to 15 February, provides indirect confirmation of good weather. Halcyon days, say the authors, are "atypical winter-time weather periods characterized by sunny and calm conditions" and the result of a stagnant high-pressure system that dominates the area at such a time of year.
And, as they worked through some of the great plays, they found enduring references to clear skies: in Agamemnon, by Aeschylus in 458 BC, a character spends his nights on the roof "to know thoroughly the throng of stars…" Aristophanes in The Birds in 414 BC describes a wedding. Attic weddings lasted for three days and were performed in the open air, another indicator of mellow conditions. The Birds also contains references to a "skiadeion," a parasol, an umbrella to provide shade from the sun, rather than shelter from the rain.
Euripides in Medea in 431 BC mentions "the temperate and sweet breezes" while Aristophanes in The Frogs in 405 BC actually addresses "you halcyons who chatter by the ever-flowing waves."
"Combining the fact that dramatic contests were held in mid-winter without any indication of postponement, and references from the drama about clear weather and mild winters, we can assume that those particular days of almost every January were summery in the 5th and maybe the 4th centuries BC," said Chronopoulou.
Tim Radford is an editor at Climate News Network, a journalism news service delivering news and commentary about climate change for free to media outlets worldwide.
The Daily Climate is an independent, foundation-funded news service covering energy, the environment and climate change. Find us on Twitter @TheDailyClimate or email editor Douglas Fischer at dfischer [at] DailyClimate.org
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