You are browsing the archive for 7 November 2009 - Dan's Wild Wild Science Journal.
7 November 2009
The Breathing Earth
Many people are surprised when they first see a graph of the carbon dioxide levels measured at Mauna Loa in Hawaii. The first question asked is why is it going up and down each year? The answer is that you are looking the Earth breathing! There is much more land in the Northern Hemisphere than the Southern, and when spring arrives in the North, the growing plants suck CO2 out …
Dan Satterfield has worked as an on air meteorologist for 32 years in Oklahoma, Florida and Alabama. Forecasting weather is Dan's job, but all of Earth Science is his passion. This journal is where Dan writes about things he has too little time for on air. Dan blogs about peer-reviewed Earth science for Junior High level audiences and up.