2012-07-30 16:10:56.0 [mpmorahan] update Definition (Orbital forcing is the effect on climate of slow changes in the tilt of the Earth's axis and shape of the orbit. These orbital changes change the total amount of sunlight reaching the Earth by up to 25% at mid-latitudes (from 400 to 500 Wm−2 at latitudes of 60 degrees). In this context, the term "forcing" signifies a physical process that affects the Earth's climate.); update Definition (http://en.wikipedia.org/wiki/Orbital_forcing);
2012-07-26 10:29:04.0 [mpmorahan] insert Definition (id: null text: Variations in the Earth's orbit around the sun (Milankovitch forcing) affect the distribution of solar energy about the globe, resulting in changes in seasonality and climate. language code: en);
PALEOCLIMATE FORCING
ORBITAL CHANGE FORCING
Orbital forcing is the effect on climate of slow changes in the tilt of the Earth's axis and shape of the orbit. These orbital changes change the total amount of sunlight reaching the Earth by up to 25% at mid-latitudes (from 400 to 500 Wm−2 at latitudes of 60 degrees). In this context, the term "forcing" signifies a physical process that affects the Earth's climate.