Conversely, δ R has a negative trend of similar strength; thus, their sum F atm shows no apparent linear trend over the whole time period.
← all excerpts
Continental drift shifts tropical rainfall by altering radiation and ocean heat transport.
2
—
—
The sentences
From 540 Ma to present, F ocn shows a clear trend from negative to positive with the sign changing around 170 Ma, superimposed with variations on shorter time scales.