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Little Ice age (1250-1600) to 1800? Pieter Bruegel the Elder 1565

Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

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Page 1: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

Little Ice age(1250-1600) to 1800?

Pieter Bruegel the Elder 1565

Page 2: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

River Thames 1677

The frst River Thames frost fair was in 1607 and the last in 1814

Page 3: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

Sunspots, MM, little ice age

Page 4: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

Climate drivers

Page 5: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

Climate drivers

So the Sun's variations are negligible.... or are they?

Page 6: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,
Page 7: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,
Page 8: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,
Page 9: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

Errmm.....

Page 10: Little Ice age (1250-1600) to 1800? - High Altitude ObservatoryAbrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks Gifford H. Miller,

purpose

● Bring interested parties together to discuss solar and stellar variability data 1960s-present

● Identify fruitful directions for research (incl. PhD research)

● Write a report / white paper for NSF– New line of funding for this research?