What is the purpose of a sinusoidal projection?

Sinusoidal projection maps present accurate area and distance at every parallel and at the central meridian; distortion increases at the outer meridians and at high latitudes. It is often used in atlases to map Africa and South America.

What does sinusoidal mean in geography?

equal-area map projection
n. (Physical Geography) an equal-area map projection on which all parallels are straight lines and all except the prime meridian are sine curves, often used to show tropical latitudes.

What does the sinusoidal projection preserve?

A sinusoidal projection shows relative sizes accurately, but distorts shapes and directions. Distortion can be reduced by “interrupting” the map.

Is the meaning of sinusoidal?

: of, relating to, shaped like, or varying according to a sine curve or sine wave sinusoidal motion sinusoidal alternating current sinusoidal grooves.

Who uses equal area projection?

The USGS commonly uses the Albers Equal Area Conic projection because of how it proportionally represents areas for the conterminous United States. Like all map projections, the Albers Equal Area Conic Projection distorts other properties in a map.

Who uses the Robinson projection?

The Robinson Projection was developed by Arthur H. Robinson in 1961 and was indeed to make world maps “look right” rather than measure precisely. This now common projection and has been used in many popular maps such as the Rand McNally series (from the 1960s) and the National Geographic Society (since 1988).

What is sinusoidal voltage?

A sinusoidal voltage source (dependent or independent) produces a voltage that varies as a sine wave with time. A sinusoidal current source (dependent or independent) produces a current that varies with time. The sinusoidal varying function can be expressed either with the sine function or cosine function.

What is the Goode projection used for?

Description. Goode’s homolosine map projection is designed to minimize distortion for the entire world. It is an interrupted pseudocylindrical equal-area projection. John Paul Goode developed the projection in 1925.

What do you mean by sinusoidal signal?

Sine Wave or Sinusoidal Wave Signal is a special type of signal. It is given by the function. When Sine wave starts from zero and covers positive values, reaches zero; and again covers negative values, reaches zero, it is said to have completed one cycle or single cycle.

What is the equal area projection best used for?

The equal-area projection retains the relative size of the area throughout a map. So that means at any given region in a map, an equal-area projection keeps the true size of features. While equal-area projections preserve area, it distorts shape, angles and cannot be conformal.

Which projection should I use?

Use equal area projections for thematic or distribution maps. Presentation maps are usually conformal projections, although compromise and equal area projections can also be used. Navigational maps are usually Mercator, true direction, and/or equidistant.

Which is the best definition of sinusoidal projection?

Definition of sinusoidal projection : an equal-area map projection capable of showing the entire surface of the earth with all parallels as straight lines evenly spaced, the central meridian as one half the length of the equator, and all other meridians as curved lines First Known Use of sinusoidal projection 1944, in the meaning defined above

How does a sinusoidal projection of the North Pole work?

A sinusoidal projection shows relative sizes accurately, but distorts shapes and directions. Distortion can be reduced by “interrupting” the map. Similar projections which wrap the east and west parts of the sinusoidal projection around the north pole are the Werner and the intermediate Bonne and Bottomley projections.

Which is the best definition of a sine curve projection?

(Physical Geography) an equal-area map projection on which all parallels are straight lines and all except the prime meridian are sine curves, often used to show tropical latitudes. Also called: Sanson-Flamsteed projection

What is the definition of a Sanson Flamsteed projection?

Also called: Sanson-Flamsteed projection n. an equal-area projection with straight parallels spaced at regular intervals and curved meridians symmetrical to a straight central meridian that is half as long as the equator. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc.