Lecture 26-new

Lecture 26-new - Lecture26:AbruptClimate Change

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 26: Abrupt Climate Change Some kinds of climate change occur abruptly, over time intervals of less than 100 years, and change regional or global climates from one state to a significantly different state.
Background image of page 1

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

View Full DocumentRight Arrow Icon
Sub-Milankovich Climate Change There are some types of observed climate change that occur too fast to be caused by Plate Tectonics or Milankovich Cyclicity. We will lump these together and call them sub-Milankovich-scale climate change. Most of these faster climate changes happen on time scales of a few thousand years or less.
Background image of page 2
Sub-Milankovich-Scale Climate Variability Millenial-scale variability: Dansgaard- Oeschgar cyclicity Centennial-scale variability: Little Ice Age (1300-1850 AD), Middle Ages Climate Optimum (1000-1200 AD) Decadal variability (ENSO, PDO) Abrupt Climate Change
Background image of page 3

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

View Full DocumentRight Arrow Icon
Dansgaard-Oeschgar Cyclicity (DO cyclicity), operates on time scales of 1-2,000 years.
Background image of page 4
Summer Winter Central England Climate Variability For the last 1000 years. (data from historical
Background image of page 5

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

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/08/2009 for the course GEOL 150Lxg taught by Professor Stott during the Spring '07 term at USC.

Page1 / 16

Lecture 26-new - Lecture26:AbruptClimate Change

This preview shows document pages 1 - 6. Sign up to view the full document.

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