ABSTRACT
The general equations for map projections, including equal-area, have the form: https://www.w3.org/1998/Math/MathML"> x = f 1 ( φ , λ ) , y = f 2 ( φ , λ ) (10.1.1) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003062738/6f72eafa-b69d-4391-9a27-7c1691bd0a6e/content/math1301.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
