Friday, July 30, 2010

Hypsometric Map

This hypsometric map is a 3-dimensional representation of the Curua river. It uses shading to show relief in detail. It gives the viewer a good idea of slope, but does not offer numeric values for elevation or depth.

www.esteio.com.br/english/executed/se_leme.htm

PLSS map

This is a PLSS map of Franklin County, Alabama. It shows townships and ranges.

www.rootsweb.ancestry.com/~alfrankl/landrecords.htm

Cadastral map

This cadastral map shows Delaware County, Ohio. It separates property in the county and outlying areas.

www.dalisproject.org/ images/cadastral_map.jpg

Nazi Propaganda Map

This is a propaganda map used by the Nazis to exaggerate the threat of an invasion by Czechoslovakia. It shows that almost all of Europe is at risk for air invasion.

http://www.newberry.org/K12maps/module_15/germ_prop.html

Dot distribution map

This map shows known locations of Southern Field Cricket populations in dot distribution format. It is possible to see concentrations of the species in the southeast using this map.

http://buzz.ifas.ufl.edu/482m.htm

Proportional circle map of Missouri River

This proportional circle map shows river depth by means of circle size and water color by color shades of the circles. The data collected by Lewis and Clark can be displayed on one understandable map by using proportional circles.

http://pubs.usgs.gov/fs/fs-004-03/

Isoline Map of East China water transfer area

This isoline map shows a water transfer area in East China. The lines represent annual runoff depths of the area.

http://www.unu.edu/unupress/unupbooks/80157e/80157E09.htm

Consumption Cartogram

This is a cartogram that represents consumption values of countries. The area of the countries is stretched to show relative amount of consumption.

http://pthbb.org/natural/footprint/

Migration Flow Map

This is a flow map that shows migration patterns to California and New York. The amount of people migrating to these areas are shown by the thickness of the lines connecting the states. It can be inferred that more people move to New York from Eastern states, while California attracts people from all over the U.S.

http://graphics.stanford.edu/papers/flow_map_layout/

Burglary Statistics Map

This map shows burglary statistics in the city of Denver. The shades indicate an increase, decrease, or no change in burglary rates for 2002. The values of how much of a change occurred are displayed in the neighborhoods.

http://www.denvergov.org/2001_crime_stats/Burglary/Burglary2/tabid/377611/Default.aspx

B&W Aerial Photograph

In this black and white aerial photograph, buildings, trees, and natural water features are easily distinguishable. This is due in part to the high resolution and scale, but the black and white format makes these attributes visible also.

http://online.redwoods.edu/instruct/colloquium/0607/

Aerial Infrared Photo

This infrared aerial photograph shows Tupper Lake, NY. It is shown on a website promoting the area to businesses and guests. The roads and developed areas are easy to distinguish in this photo, making it very useful in this situation.

http://www.hutchville.com/tupper.shtml

Doppler radar image

This doppler radar image clearly shows the bands of Hurricane Andrew in 1992 in the Miami area. The colors show the intensity of different parts o the storm.

http://www.met.fsu.edu/explores/CurrCD/CURRCD-FINAL/Image%20Library/IM22-RadarMIA1992.gif

Lidar image of Ground Zero

This is an image of the World Trade Center site taken shortly after the bombing, using a LIDAR camera. Depth and altitude are visible and clear.

http://imaging.geocomm.com/gallery/wtc-lidar092701-overview.jpg

Isobars

This image of Northern Europe/Greenland shows air pressure in the form of isobars. The lines link areas of similar air pressure.

http://www.halesowenweather.co.uk/pressure_charts.htm

Isohyetal Map

This map of Australia shows areas of equal precipitation in the country. It is used in this context to explore areas of erosion.

http://www.environment.gov.au/soe/2001/publications/technical/wind-erosion/index.html

Isotachs

This image shows isotachs and
streamlines in the North American region. The isotachs, shown by the lines in the image, are connecting areas of equal wind speed.

http://wxmaps.org/pix/avnmr.00hr.html

Digital Raster Graphic

This is a DRG (digital raster graphic), a scanned map that is georeferenced.

http://www.maaamet.ee/data/img/Seinakaart_080606.jpg

Isopleth

This map of the U.S. is used by the EPA to determine the amount of acid rain in areas of the country. The colors and numbers shows pH levels in the rain taken in 1999.

http://www.epa.gov/CASTNET/images/ph_map.gif

DLG

This is a DLG (digital line graphic) from USGS. A DLG is an image derived from USGS maps.

http://edc.usgs.gov/images/dlg.gif