Here we present some preliminary results of a statistical–computational implementation to estimate the wavelet spectrum of unevenly spaced paleoclimate time series by means of the Morlet Weighted Wavelet Z-Transform (MWWZ). A statistical significance test is performed against an ensemble...

The transportation sector is a major contributor to global greenhouse gas emissions, accounting for around one-quarter of current annual emissions. Surface transportation (passenger vehicles, buses, rail, and freight transportation) contributes 75% of total emissions, with the remaining 25%...