2/29 ERS102 - Largest Historic Eruption o 150 Km3 Ash o...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
2/29 Intro to Climate Change Important Concepts o What is climate? o What is climate change? o Long-term vs. short-term climate change o What causes climate change? What is climate? o Long-term average of day to day weather Temperature Precipitation Wind speed and directions Barometric pressure o Climate change Short term (years to decades) Long term (100 to 1000s of years) IPCC (Intergovernmental Panel on Climate Change) o IPCC and Al Gore awarded Nobel Peace Prize Climate Change o Early 1800’s- dramatic climatic event 1816- “the year without a summer”, “the poverty year” Astronomical phenomena- Dalton Minimum (1795-1820’s) Low in sun’s activity Large Volcanic Eruptions Tambora 1815 o Mid-1800’s –theory of past glaciations based on observations in Europe and North America Louis Agassiz also Carpentier Erratics and striations near alpine glaciers Similar features distant from glaciers Global Ice Age time of widespread glaciers Tambora o
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Largest Historic Eruption o 150 Km3 Ash o Eruptive Column 44 km (28 mi) o 10,000 direct deaths o 82,000 indirect deaths o Plinian Eruption Extremely powerful Large amounts of gas and dust in atmosphere Ash & SO2 in atmosphere: Brilliant Sunsets • Mary Shelley o Dark and Dreary Days- Frankenstein 1818 o 1816: the Year without a Summer New England, Canadian Maritimes, Northern Europe o May frosts as far south as PA. June Snowstorms (Canada and New England). June-August lake and river ice. Wide temperature swings. Crop and Hat failure- Widespread economic and social impact o Western migration from New England • Mt. Laki (Iceland) 1783- Noted by Ben Franklin • Krakatoa o 25 km3 ash sound, water and shock waves o Lower world T 1 degree C • Munch’s The Scream 1893 o “Suddenly the sky turned blood red… I stood there shaking with fear and felt an endless scream passing through nature.” • Mt. Pinatubo o Ash and SO2 airborne- longer than ash...
View Full Document

This note was uploaded on 04/18/2008 for the course ERS 102 taught by Professor Kelley during the Spring '08 term at University of Maine Orono .

Page1 / 2

2/29 ERS102 - Largest Historic Eruption o 150 Km3 Ash o...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online