Lecture 32-new-temp

Lecture 32-new-temp - The Industrial Revolution and Climate Change The last 200 years have seen the first clearcut global consequence of human

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
The Industrial Revolution and Climate Change The last 200 years have seen the first clear- cut global consequence of human activity that could affect climate - increase in atmospheric greenhouse gas concentrations
Background image of page 1

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

View Full DocumentRight Arrow Icon
Humans and the Environment Humans have altered the natural environment around them since the beginning of recorded history. These local effects have caused changes in local environment and climate. Early Human impacts include: use of fire (hunting and clearing land) early agriculture-land use deforestation early mining (flints) and metal making (iron, copper) Pre-Industrial Impacts: rapid deforestation expanded agriculture and land use mining operations (coal) Cities-urban impacts
Background image of page 2
Industrial Revolution Beginning in England in the late 1700s, the development of steam power made possible machine-base manufacturing—the Industrial Revolution was born Steam-based industry expanded to Europe and by the mid 1800s, to the Americas Steam power required wood or coal for fuel; in the early 1900s, oil replaced coal as the primary energy source By 1900 the Industrial Revolution had become world-wide
Background image of page 3

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

View Full DocumentRight Arrow Icon
The Moana Loa CO 2 Record The global increase in atmospheric greenhouse gasses associated with the industrial revolution is the first time humans have the potential to affect global climate.
Background image of page 4
Although the contribution is small, the impact is great
Background image of page 5

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

View Full DocumentRight Arrow Icon
Within a century, atmospheric CO 2 levels doubled
Background image of page 6
The CO 2 contribution to increased warming of the past century is clear (!?)
Background image of page 7

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

View Full DocumentRight Arrow Icon
The Short-Term Carbon Cycle The short-term carbon cycle traces the movement of carbon on time-scales of human activity (years to millennia). Before the Industrial Revolution, this cycle was largely in
Background image of page 8
Image of page 9
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 / 29

Lecture 32-new-temp - The Industrial Revolution and Climate Change The last 200 years have seen the first clearcut global consequence of human

This preview shows document pages 1 - 9. Sign up to view the full document.

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