Equation 3 · Part 2 · Comparing the Main Approaches to Earth Systems and Climate Dynamics
Symbol t
What this part means
t is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
t is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol t→Article meaning
The passage around this formula
The instrumental record measures essentially continuously and directly, at sub-part-per-million precision, at Mauna Loa and a global network of comparable stations, and can resolve seasonal cycles as well as the long-term trend [ 1 ] . E(t) , anthropogenic emissions, is compiled from energy and land-use statistics rather than measured atmospherically at all — a different evidentiary category again, closer to an audited inventory than a physical observation.
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
Open the illustrated variables: a letter stands for a value guide →
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Sources cited in the surrounding passage
These citations provide research context; check each source for the exact claim it supports.