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Topics related to "Map projection"

map projection
map projection transfer of the features of the surface of the earth or another spherical body onto a flat sheet of paper. Only a globe can represent accurately the shape, orientation, and relative area of the earth's surface features; any projection produces distortion with regard to some of these ... Read more
map
map conventionalized representation of spatial phenomena on a plane surface. Unlike photographs, maps are selective and may be prepared to show various quantitative and qualitative facts, including boundaries, physical features, patterns, and distribution. Each point on such a map corresponds to a ... Read more
Mercator projection
Mercator projection a projection of a map of the world on to a cylinder in such a way that all the parallels of latitude have the same length as the equator, invented by the Flemish geographer and cartographer Gerardus Mercator (1512–94). It was first published in 1569 and used especially ... Read more
Human Genome Project
Human Genome Project international scientific effort to map all of the genes on the 23 pairs of human chromosomes and, to sequence the 3.1 billion DNA base pairs that make up the chromosomes (see nucleic acid ). Begun in 1990 with the goal of enabling scientists to understand the basis of gene... Read more
Gerardus Mercator
Gerardus Mercator , Latin form of Gerhard Kremer , 1512-94, Flemish geographer, mathematician, and cartographer. He studied in Louvain , where he had a geographical establishment (1534). From 1537 to 1540 he surveyed and mapped Flanders . In 1538 he produced his first map of the world (based on... Read more
maelstrom
maelstrom, a term commonly accepted as meaning a whirlpool, or a great storm. In fact, it is a strong current which rips past the southern end of Moskenaes Island in the Lofoten group off the west coast of Norway. Also known as the Maskenstrom, it is marked on a map of the area which appears in the... Read more
chart
chart term referring to maps prepared for marine navigation and for air navigation. All charts show, in some convenient scale , geographic features useful to the navigator, as well as indications of direction, e.g., true north (the direction of the geographic North Pole), magnetic north (the dir... Read more
happening
happening an artistic event of a theatrical nature, but usually improvised spontaneously without the framework of a plot. The term originated with the creation and performance in 1959 of Allan Kaprow's "18 Happenings in 6 Parts." This work emphasized various sorts of performances and experience... Read more
Robert Duane Ballard
Robert Duane Ballard , 1942-, American marine geologist, b. Wichita, Kans.; Ph.D. Univ. of Rhode Island, 1974. In 1969, he began an association with Woods Hole Oceanographic Institute, where he eventually became the head of the Deep Submergence Laboratory. He combined interests in plate tectonics an... Read more
geodesy
geodesy or geodetic surveying, theory and practice of determining the position of points on the earth's surface and the dimensions of areas so large that the curvature of the earth must be taken into account. It is distinguished from plane surveying , the operations of which are executed witho... Read more

Encyclopedia entries related to "Map projection"

map projection
Book article from: The Columbia Encyclopedia, Sixth Edition ...circles. The gnomonic projection has the useful property...course on a gnomonic projection by simply drawing...two points. Other Projections Among the other commonly used map projections are the...which are equal-area projections with horizontal parallels...especially useful for ...
Mollweide map projection
Book article from: The Columbia Encyclopedia, Sixth Edition Mollweide map projection : see map projection .
Mercator map projection
Book article from: The Columbia Encyclopedia, Sixth Edition Mercator map projection see map projection .
polyconic map projection
Book article from: The Columbia Encyclopedia, Sixth Edition polyconic map projection see map projection .
map
Book article from: The Columbia Encyclopedia, Sixth Edition ...surface. Unlike photographs, maps are selective and may be prepared...distribution. Each point on such a map corresponds to a geographical...accordance with a definite scale and projection (see map projection ). Maps may also represent such comparative...
Bathymetric maps
Encyclopedia entry from: The Gale Encyclopedia of Science ...common type of bathymetric map displays lines called...depths. Like geographical maps of the Earth ’ s surface, bathymetric maps are usually constructed in Mercator projection. Mercator projection...Mercator projection maps have been used for centuries...creation of a ...
Bathymetric Maps
Encyclopedia entry from: Encyclopedia of Espionage, Intelligence, and Security ...represented. Like geographical maps of the surface of Earth, bathymetric maps are constructed in definite cartography projection. Mercator projection is used...in constructing bathymetric maps, and has been used for a long...The creation of a bathymetric map of a given region depends ...
Cartography and Geography
Encyclopedia entry from: Europe, 1450 to 1789: Encyclopedia of the Early Modern World ...The large circular world map that the Venetian monk Fra...Fifteenth-century geographic maps defined space within a directional...cross the Atlantic in 1492. Map projections situated place...new discoveries. Printed maps emphasized a geometric organization...to the modernized Ptolemaic ...
Cartography
Encyclopedia entry from: UXL Encyclopedia of Science ...3800 b.c. Fragments of clay maps nearly 4,000 years old have...Nile Valley. They drew detailed maps on papyrus for use in taxation...including latitude and longitude, and map projections. The maps of Ptolemy, a Greek astronomer...
chart
Book article from: The Columbia Encyclopedia, Sixth Edition chart term referring to maps prepared for marine navigation and for air navigation. All charts...issue charts; these are drawn using the gnomonic or Mercator map projections . Aeronautical charts show natural or man-made surface features...

Dictionary entries related to "Map projection"

map projection
Book article from: A Dictionary of Earth Sciences map projection The representation...Various projections have been...equal-area projections for the global...stereographic projection for the relationships...Mercator's projection for the absolute...and conical projections for the Himalayan...
projection
Book article from: The Oxford Pocket Dictionary of Current English ...can be understood as mental projections of mankind's fears...including repression and projection. 4. a thing that extends...board covered all the sharp projections. 5. Geom. the action of...x220E;  (also map projection ) a method by which such...
Peters projection
Book article from: The Oxford Dictionary of Phrase and Fable Peters projection a world map projection in which areas are shown in correct proportion at the expense of distorted...mainly developing) countries, whose area is under-represented by the usual projections such as Mercator 's.
Maps and the Ideas they Express
Dictionary entry from: New Dictionary of the History of Ideas ...matter and scale: city plans; maps of the rivers Tigris and Euphrates...mountains; and a "world" map featuring a circumfluent ocean...way of Greece. Babylonian maps also contain written inscriptions...Earth as a perfect sphere and map projections. In Greece the idea of Earth...
Mercator projection
Book article from: The Oxford Dictionary of Phrase and Fable Mercator projection a projection of a map of the world on to a cylinder in such a way that all the parallels of latitude have the same...was first published in 1569 and used especially for marine charts and certain climatological maps.
Mollweide projection
Book article from: The Oxford Dictionary of Phrase and Fable Mollweide projection a projection of a map of the world on to an ellipse, with lines of latitude represented...meridians represented by equally spaced elliptical curves. This projection distorts shape but preserves relative area. It is named after...
Geography
Dictionary entry from: New Dictionary of the History of Ideas ...geographers, such as map projections, are highly "scientific...of the environment. Maps and related images of...Geography is about maps." Maps may help in an understanding...environment, as evidenced in maps made before the written...containing instructions for map-making, of ...
Krasovsky, Theodosy Nicolaevich
Dictionary entry from: Complete Dictionary of Scientific Biography ...essay on Krasovsky ’ s life and works; vol. II to various branches of geodesy, field astronomy, and map projections; vol. III to geodetic control; and vol. IV to the geometry of the spheroid. A few of Krasovsky ’ s...
Grave, Dmitry Aleksandrovich
Dictionary entry from: Complete Dictionary of Scientific Biography ...subject of which also was proposed by Korkin, touched upon map projection researches by Euler, Lagrange, and Chebyshev. In it Grave presented a comprehensive study of equal-area plane projections of a sphere, with meridians and parallels being represented...the Mathematical Theory of Construction of ...
military grid reference system
Book article from: The Oxford Essential Dictionary of the U.S. Military ...military grid reference system a system that uses a standard-scaled grid square, based on a point of origin on a map projection of the surface of the earth in an accurate and consistent manner to permit either position referencing or the computation...

Thesaurus entries related to "Map projection"

map
Book article from: The Oxford American Writers Thesaurus ...a map synonyms : plan, chart, cartogram, survey, plat, plot; road map, street map, guide; atlas, globe; relief map, contour map; Mercator projection, Peters projection. • verb  the region was mapped from the air...

Related newspaper, magazine, and trade journal articles from HighBeam Research

Equal Area Map Projection for Irregularly Shaped Objects.
Magazine article from: Cartography and Geographic Information Science; 4/1/2000; ; 700+ words ; ...decades. Because maps are used to record...an appropriate map projection is essential for...framework. Accurate projections can give researchers...variable-radius map projection that...the conventional map projection and so the resulting projections are either ...
Flattening the Earth: Two Thousand Years of Map Projections.
Magazine article from: The Geographical Review; 10/1/1994; ; 700+ words ; ...reflects the number of new projections and the rediscovery and modifications of existing projections throughout history, which...Snyder provides details of projection use, history, geometric...first section, Emergence of Map Projections: Classical through Renaissance...medieval legacy of ...
Global projections: can you draw a flat map of the earth?(Geoskills)
Magazine article from: Junior Scholastic; 12/13/2004; 700+ words ; ...cartographers create different map projections to represent Earth; * all maps distort the shape, area...Ask students: "What is a map? What do different kinds of maps show?" * BACKGROUND The...credited with creating a world map. Although the ancient Babylonians...COMPREHENSION: Which ...
Symbolization of Map Projection Distortion: A Review.
Magazine article from: Cartography and Geographic Information Science; 7/1/2001; ; 700+ words ; ...raster data. Maps that show projection distortion have been included...supplemental insets, or as parallel maps. For example, Snyder and...created parallel distortion maps for most maps in their Album of Map Projections. As another example, Canters...
Qibla, and related, map projections (1).(retro-azimuthal projections)
Magazine article from: Cartography and Geographic Information Science; 1/1/2002; ; 700+ words ; ...correct. In this respect the maps differ from the usual azimuthal projections that render azimuths from...with the normal azimuthal projections, the retro-azimuthal...to completely specify the projection because two properties are required of most map projections. In Craig's (1910...
Rhumb Lines and Map Wars: A Social History of the Mercator Projection.(Book review)
Magazine article from: The Geographical Review; 4/1/2005; ; 700+ words ; ...that the Mercator projection is no longer paramount...published world maps, the book surveys...contemporary world map projections. This discussion...illustrated by sample maps for each projection, augmented with...surfaces et les projections des cartes ...
Variations of the Gringorten square equal-area map projection.
Magazine article from: Cartography and Geographic Information Science; 10/1/2002; ; 700+ words ; ...an equal-area map projection of the whole world...noted that a square map uses space efficiently...any citations of, or maps drawn on, this projection...original derivation of the projection within a single sexadecant...how to implement the projection in a modern ...
Map projection. (Geoskills).
Magazine article from: Junior Scholastic; 3/28/2003; 700+ words ; ...really look like? The maps on these pages show...world. Why are these maps so different from each...the Earth on a flat map with complete accuracy...three commonly used map projections: * Robinson: This is the projection most used in textbooks...Study the three map ...
Flattening the Earth: Two Thousand Years of Map Projections.(Brief Article)
Magazine article from: The Geographical Journal; 11/1/1994; ; 700+ words ; ...of inspiration. Most projections are exemplified by a...description of the new map projections is preceded by a review of the use of earlier projections during the period...use of a particular projection, although it is not...
All Equal-Area Map Projections Are Created Equal, But Some Are More Equal Than Others(*).(Statistical Data Included)
Magazine article from: Cartography and Geographic Information Science; 7/1/2001; ; 700+ words ; ...The ease of implementing map projection equations with digital computers...many users to think that all projection problems have been solved...resolution and large scale, projection effects tend to be small...difficulties in handling map projections and datum transformations...