Equation 2 · Comparing the Main Approaches to Earth Systems and Climate Dynamics
What does this equation mean?
Read the formula alongside the article passage below. Each part has a deeper page with its role in the equation, the supporting passage and nearby citations.
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.
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Symbol C_atm
tm is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Symbol t
t is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
subscript
The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.
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What the article says around this equation
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.
Sources cited in the surrounding passage
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