Lambert cylindrical equal-area projection

Lambert cylindrical equal-area projection

In cartography, the Lambert cylindrical equal-area projection, Lambert cylindrical projection, or cylindrical equal-area projection is a
cylindrical, equal area
map projection. The invention of this projection is attributed to the Alsatian mathematician Johann Heinrich Lambert in 1772.cite web
last =Mulcahy
first =Karen
authorlink =
coauthors =
title =Cylindrical Projections
work =
publisher = City University of New York
date =
url =http://www.geo.hunter.cuny.edu/mp/cylind.html
format =
doi =
accessdate = 2007-03-30
]

The projection is:

:x = ( lambda - lambda_0 ) cos phi_0,:y = sin phi / cos phi_0,

where phi, is the latitude, lambda, is the longitude, lambda_0, is the central meridian, and phi_0, is the standard latitude [ [http://pubs.er.usgs.gov/usgspubs/pp/pp1395 "Map Projections - A Working Manual"] , USGS Professional Paper 1395, John P. Snyder, 1987, pp.76-85] .

References

External links

* [http://www.radicalcartography.net/?projectionref Table of examples and properties of all common projections] , from radicalcartography.net
* [http://www.uff.br/mapprojections/LambertCylindricalEqualArea_en.html An interactive Java Applet to study the metric deformations of the Lambert Cylindrical Equal-Area Projection] .


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