The scale factor is defined as follows: 3 \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${{\rm{Scalefactor}}}=1-\left[{0.25\times \left(\frac{{{\rm{latitude}}}}{90}\right)}^{2}\right]$$\end{document} Scalefactor = 1 − 0.25 × latitude 90 2 This scale is set to 1.0 at the equator and gradually decreases to 0.75 at the poles, reflecting a decreasing trend from equator to poles.
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