Author Archives: peggy

More About Carbon Dioxide

Recently, a group of scientists estimated that the increase in carbon dioxide release rate between 2000 and 2006 was greater than any of the scenarios envisioned by the Intergovernmental Panel on Climate Change (IPCC) in the late 1990s. This brings … Continue reading

Posted in Atmosphere, Carbon, Climate Change, Earth System Science | Leave a comment

SCUBAnauts Operation Deep Climb

Today I am pleased to introduce a set of student blogs on Operation Deep Climb by the Tampa Bay, Florida, USA Chapter of SCUBAnauts International. SCUBAnauts aims to provide an opportunity for growth for young people aged 12-18 through participation … Continue reading

Posted in SCUBAnauts | Leave a comment

Looking at the fall colors in a different way

[This blog reflects the help of many friends and colleagues. The story of how it developed shows how science research often works. The idea for this blog came from Professor Peter Blanken of the University of Colorado, who took advantage … Continue reading

Posted in Backyard Science, Climate, Earth as a System, Earth System Science, Land Cover, Seasons and Biomes | Leave a comment

Measuring temperature using crickets

Did you know that you could count cricket chirps to estimate temperature? I heard this a number of years ago, but never thought much about it until I heard it mentioned on television this summer. Was this true, or just … Continue reading

Posted in Air Temperature, Atmosphere, Backyard Science, Data included, Earth System Science | 1 Comment

Land Use and Carbon Dioxide

Recently, I posted the Hawaii record that showed that carbon dioxide has been increasing for the last several decades. To make the plot consistent with the global temperature plot, I showed only annual averages. Now, I show a copy of … Continue reading

Posted in Carbon, Earth System Science, Land Cover | 3 Comments