Aaron's Map Blog: December 2008

Tuesday, December 9, 2008

Sinusoidal Map Projection of the Earth

This projection is an equal area map projection. It shows relative sizes accurately, but distorts shapes and directions.

https://users.cs.jmu.edu/bernstdh/web/common/lectures/images/projection_sinusoidal_world.gif

Albers Equal Area Projection of the U.S.A.

Albers Equal Area Projection of the United States of America.

Scale and shape are not preserved in this projection, but distortion limited between the standard parallels.

http://www.intute.ac.uk/sciences/blog/wp-content/uploads/2007/10/usa-map.jpg

Early Map of New World Territories Virginia, South Carolina & North Carolina

http://dcm2.enr.state.nc.us/Wetlands/Coastal_Explorers/cpfmodule/bhi/bhi_oldmap_review.htm

Fra Mauro World Map

Map of the world made around A.D. 1450. Noticeably absent from the map is any reference to the new world which at that time had not been discovered by westerners.

westerners.http://upload.wikimedia.org/wikipedia/commons/2/26/FraMauroMap.jpg

T-O world map

The map was created in medieval times. Jerusalem is located in the center of the world map.
http://upload.wikimedia.org/wikipedia/commons/d/de/Diagrammatic_T-O_world_map_-_12th_c.jpg

Ptolemy’s World Map

This map style dates back to the 2nd century A.D.

Ptolemy’s maps developed longitudinal and latitudinal

lines. http://upload.wikimedia.org/wikipedia/commons/2/23/PtolemyWorldMap.jpg

Eratostene’s World Map

This map design was created around 194 B.C.

Eratosthenes’s map is best known for the use of parallels and meridians.
http://upload.wikimedia.org/wikipedia/commons/e/e8/Mappa_di_Eratostene.jpg

Hecataeus world map

This map was created in the 400’s B.C.

Although this map was based on Anaximander’s world map, it was more detailed.
http://upload.wikimedia.org/wikipedia/commons/d/d6/Hecataeus_world_map-en.svg

Anaximander world map

Anaximander world map

http://upload.wikimedia.org/wikipedia/commons/a/a0/Anaximander_world_map-en.svg

Babylonian world map

This is presumed to be one of the oldest world maps.

This world map dates back to the 6th Century B.C.

http://en.wikipedia.org/wiki/Image:Baylonianmaps.JPG

Stem & Leaf Plot

A stem and leaf plot is similar to a histogram, but it can show more data.

Stem and leaf plots are used to organize large amounts of information.

http://mainland.cctt.org/mathsummer/JosephBond/StemAndPlots/images/table2.gif

Similarity matrix

A similarity matrix expresses the similarity between two points.

http://www-scf.usc.edu/~ise575/a/projects/shiu/website/index_files/image008.jpg

USAF Mapping of Lunar Landing Sites

This map developed by the United States Air Force, shows both manned and unmanned lunar landing sites.

http://www.lpi.usra.edu/resources/mapcatalog/LandingSite/index.html

Lunar Chart LPC-1

Lunar Chart compiled by NASA in order to map the moon.

Charting the moon allows NASA to plan further expeditions.
http://www.lpi.usra.edu/resources/mapcatalog/LC1/index.html

NORAD Santa Tracking Map

This map is compiled by NORAD to playfully track Santa Claus for the amusement of little children.
http://www.laurentcurau.com/images/uploads/norad-santa-map.JPG

Topographic Map of Florida

Topographic map of Florida

This topographic map displays the State of Florida.

This map type is used to show the representation of relief using contour lines.

http://education.usgs.gov/common/resources/mapcatalog/images/image/fl_topo.jpg

Correlation matrix

This matrix describes correlation among variables.

Many methods of statistical analysis rely on correlation matrixes.

http://www.investors-routemap.co.uk/images/correlation.gif

Isolines/Bathymetric Map

Isolines are most often used in reporting the weather.

Isolines are used to show equal areas on a map.

http://woodshole.er.usgs.gov/openfile/of02-002/htmldocs/images/cerc/cercrf4.jpg

The definition of a Cartogram is “A presentation of statistical data in geographical distribution on a map.”

Cartograms are almost like cartoon images of maps because they are very loose and distorted.

http://www-personal.umich.edu/~mejn/cartograms/

Monday, December 8, 2008

DOQQ Map

DOQQ Stands for Digital Ortho Quarter Quads

DOQQ maps are digital maps of aerial photographs.

photographs.http://www.crwr.utexas.edu/gis/gishydro00/Class/trmproj/Donnelly/termproject_files/1_Red_DOQQ.jpe

Nexrad

NEXRAD is the National Weather Service’s Next Generation Weather Radar.

NEXRAD is used to aid in weather prediction.

http://www.detect-inc.com/images/06279%20st%20marks.jpg

Cartogram

http://makingmaps.files.wordpress.com/2008/02/cartogram-1911_title.jpg

Unclassed Bivariate Map

Unclassed Bivariate Map

By combining different sets of graphics, this map is able to display variables.
http://www.spokane.wsu.edu/gis/Classes/davis/uc1.jpg

Nominal Choropleth

Nominal Choropleth

This choropleth map is used to display nominal data.
http://www.spokane.wsu.edu/gis/Classes/images/T3/t3_choro2.jpg

Doppler Radar Image

Doppler radar images are maps that are made up of data from weather radar that uses the Doppler effect to measure units.

Doppler radar images are very helpful in weather reporting.

http://www.nawcinc.com/photopages/RadarImage.jpg