Sentences with phrase «small orbital changes»

The effect of these small orbital changes was amplified by positive feedbacks, such as changes in greenhouse gas levels.

Not exact matches

The same kick can change the alignment of smaller black holes and rock their orbital plane.

[25] Furthermore, other small changes also occur with the binary star's orbital elements.

He then uses what information is available to quantify (in Watts per square meter) what radiative terms drive that temperature change (for the LGM this is primarily increased surface albedo from more ice / snow cover, and also changes in greenhouse gases... the former is treated as a forcing, not a feedback; also, the orbital variations which technically drive the process are rather small in the global mean).

The range of orientations that lead to transits falls off as orbital distances grow: Small changes in the angle of the planet's orbit become large changes in the apparent position of the planet and star, precluding a transit.

Students can begin by viewing how the Sun impacts the Earth, and then change the mass of the Sun and Earth separately to see how even small changes can greatly affect orbital patterns.

Some other forcings have a very small global radiative forcing and yet lead to large impacts (orbital changes for instance) through components of the climate that aren't included in the default set - up.

The ice age orbital correlation is old knowledge; there all those years ago in my high school geology text *, along with the observation that the insolation change is way too small to provide a simplistic explanation.

1966 Emiliani's analysis of deep - sea cores shows the timing of ice ages was set by small orbital shifts, suggesting that the climate system is sensitive to small changes.

The important point here is that a small external forcing (orbital for ice - ages, or GHG plus aerosols & land use changes in the modern context) can be strongly amplified by the positive feedback mechanism (the strongest and quickest is atmospheric water vapor - a strong GHG, and has already been observed to increase.

The data show that the sun's variations have been small over the times we care about, the climate responds to variations in sunshine caused by orbital changes, but these are slow.

Carbon dioxide may in fact have very little effect as a control variable in pushing climate to shift state — a small change lost amidst multiple other factors of which clouds, ice, UV and orbital irregularities are the obvious candidates.

How about small orbital parameter changes, like Milankovitch's theory?

There are Milankovitch cycles of around 21,000, 40,000, 100,000, and 400,000 years — in the 100,000 year cycle involving orbital eccentricities the change in insolation is much smaller than with the 21,000 and 40,000 year cycles.

In my essay I noted that the overall / net change is very small, and really is just non-zero only due to two effects: (a) The orbital eccentricity alters very slightly; and (b) The Earth is not spherical.

1966 Emiliani's analysis of deep - sea cores and Broecker's analysis of ancient corals show that the timing of ice ages was set by small orbital shifts, suggesting that the climate system is sensitive to small changes.

Besides demonstrating his firm grasp of the power of these various factors to change temperatures, this remarkable matching of theory to real - world data also tells us just how ornery the climate beast may be: the orbital changes that paced the ice ages were incredibly small.