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Topic: Scale (map)


  
  Benthic Habitat Mapping - Habitat Scale
Spatial scale (also called map scale) refers to the relationship between the size of a feature on a map (a shoreline, for example) and the size of that feature in the real world.
In contrast, a map with a scale of 1:500 means that a feature that is 500 units (inches, centimeters, feet, and so forth) across in real life will take up 1 unit across on a map.
The detail of habitat delineation for a particular benthic habitat map depends upon both the spatial scale of the final map and the scale of the marine habitat under investigation.
www.csc.noaa.gov /benthic/mapping/analyzing/scale.htm   (653 words)

  
 Scale (map) - Wikipedia, the free encyclopedia
Maps are usually produced at standard scale factors of (say) 1:10,000 or 1:50,000 or 1:100,000 and all you need to do is take a measurement on the map (in mm) and multiply that figure by the scale factor to determine the distance on the ground.
Maps with a ratio of 1:50 000 or larger (for example, 1:40 000 would be larger) are considered large scale.
Maps with a ratio of 1:50 000 to 1:250 000 are considered intermediate scale.
en.wikipedia.org /wiki/Scale_(map)   (418 words)

  
 Map Scale Accuracy Standard
Map scales are described as a representative fraction or a ratio, such as 1/24,000 or 1:24,000.
Map scale was a significant contributor to the map accuracy due to the width of the pencil or pen that was used to draw the map.
The map scale depends on the scale of the aerial photography and the scale of the enlargements used for the planimetric mapping.
www.in.gov /igic/standards/mapscaleaccuracystandard.html   (2228 words)

  
 Map Scale   (Site not responding. Last check: 2007-10-25)
Map scale is the relationship between a unit of length on a map and the corresponding length on the ground.
Map scale is important for understanding maps both in paper and computer form, so it will pay you to understand the types and uses of scales.
You have a map of the same area at 1:24,000, and on the map the distance between the hills is 2.4 centimeters.
www.sonoma.edu /geography/resources/mapscale.htm   (2252 words)

  
 Understanding map scale   (Site not responding. Last check: 2007-10-25)
Map scale is a method for expressing how map distance compares to ground distance, or the distance on the surface of the earth.
A scale bar, used to measure distance on a map, is based on the scale of the map.
Map scale is relative, so a scale of 1:63,360 may be a large-scale map compared to 1:316,800,000, but is considered small-scale when compared to a map scale of 1:7,920.
mapshop.esri.com /help/concepts_mapscale.htm   (480 words)

  
 Does Scale Make a Difference?
A map's scale is a statement about the relationship between map distance and distance in the real world -- the amount of reduction that has occurred to get the representation of the world to fit on a sheet of paper.
Large scale maps might show the location and dimension of all the buildings in a city block or the location of all the churches, social organizations, and bars in an urban neighborhood.
Maps with small scales are used to show things such as the United States and Mexico in 1859.
historymatters.gmu.edu /mse/maps/question3.html   (532 words)

  
 Map scale and generalisation
Map scale is based on the representative fraction that represents the relationship between the distance on a map and the corresponding distance on the earth.
A large scale map is one in which a given part of the earth is represented by a large area on the map.
Large scale maps typically show more detail than small scale maps, whereas on smaller scale maps there is simply not enough room to show all the available detail, so features such as streams and roads often have to be represented as single lines, and area features like cities, have to be shown as points.
ioc.unesco.org /oceanteacher/OceanTeacher2/02_InfTchSciCmm/01_CmpTch/03_GIS&SDI/02_AdvancedGIS/MapScale.html   (695 words)

  
 Guide to Map Scale - UA Library
Scale is defined as the ratio of the distance on a map to the corresponding distance on the surface the map represents.
Map scales are given in the catalog in the RF form.
A map series for a larger area may include the area you are interested in; so be sure to check for maps of larger areas such as countries or continents.
www.library.arizona.edu /help/how/find/maps/scale/index.html   (879 words)

  
 Maptech - What is a Topographic Map?
Scale is the relationship between distance on the map and distance on the ground.
The 49th state is mapped at 1:63,360 scale, where each quadrangle covers 15 minutes of latitude and 20 to 36 minutes of longitude, depending on location.
A map of a relatively flat area may have a contour interval of 10 feet or less, whereas a map of a mountainous area might have contour intervals of 100 feet or more.
www.maptech.com /land/education/index.cfm   (816 words)

  
 Data Standards - Map Scale   (Site not responding. Last check: 2007-10-25)
Scale refers to the relationship or ratio between a distance on a map and the distance on the earth it represents.
The advantage of a bar scale on a map is that it can be easily enlarged or reduced without affecting the accuracy of the scale, assuming the reproduction is enlarged or reduced by the same factor in both horizontal and vertical directions (Monmonier, 1988).
Given a map scale ratio or fraction, the larger the second number, the smaller the scale (or less detail in the map) [See Figure 7 and Table 3].  A map of 1:50,000 is of larger scale than a map of scale 1:1,000,000.
maic.jmu.edu /sic/standards/scale.htm   (381 words)

  
 Map Scales, Fact Sheet FS105-02, (February 2002)
A commonly used scale for this purpose is 1:600 (1 inch on the map represents 50 feet on the ground).
Map coverage for most of the United States has been completed at this scale, except for Puerto Rico, which is mapped at 1:20,000 and 1:30,000, and for a few States that have been mapped at 1:25,000.
Maps at 1:24,000 scale are fairly large and provide detailed information about the features of an area, including the locations of important buildings and most campgrounds, ski lifts, and water mills.
erg.usgs.gov /isb/pubs/factsheets/fs01502.html   (802 words)

  
 A Note on Map Scale   (Site not responding. Last check: 2007-10-25)
Hikers and hunters often purchase the 1:24,000 USGS maps, where one inch on the map is equivalent to 24,000 inches on the ground (i.e., one inch represents about 1/2 mile).
Typically a large scale map will have more room for the cartographer to show more detail about a small area, such as additional roads or even driveways, while small scale maps might have space to show just the interstates and major highways.
A map of the entire United States might be at 1:2,000,000 scale, where one inch on the map equals 2 million inches on the ground.
www.virginiaplaces.org /classschedule/week1mapscale.html   (590 words)

  
 Map Express Glossary
USGS maps, being in the public domain, are often used as base maps for private map publishers, particularly publishers of hiking or recreational topo maps.
The scale on USGS maps is shown both via a scale bar and a numeric ratio.
USGS maps, the scale bar is generally in the center of the lower margin.
www.mapexp.com /glossary.htm   (2497 words)

  
 Slow Travel Italy - Maps, map scale, regional TCI, provincial, city, driving, hiking
The scale of a map is clearly indicated on the map cover and on the legend.
Scale indicates the level of detail and is expressed in a ratio showing what one unit of measure on the map equates to in reality.
A map with a scale of 1:250,000 is large scale (the ratio is large), but a map with a scale of 1:1,000,000 is small scale (the ratio is small).
www.slowtrav.com /italy/planning/maps.htm   (1890 words)

  
 Maine DEP GIS
A map's scale is the ratio between units of measurement on the map and units of measurement in the real world.
The reason is that the former is based on the scale computed from what's seen on your computer screen, while the latter is based on the size of the paper specified for the map.
A large scale map is actually a large map of a small area (with a scale like 1/1000), while a small scale map is going to be a small map of a large area (with a scale like 1/500000).
www.state.me.us /dep/gis/training/a9bc/map_scale.shtml   (452 words)

  
 Scale, Accuracy, and Resolution in a GIS
Map scale specifies the amount of reduction between the real world and its graphic representation (usually a paper map).
Conversely, a detailed ecosystem classification map may be generalized by reducing the amount of detail in the boundaries between regions, without reducing the number of regions.
It is convenient to identify a series of paper maps by their scale (the 1:50,000 water atlas), or the amount of earth they cover (eg NTS 2-degree letter blocks).
srmwww.gov.bc.ca /gis/gisscale.html   (1572 words)

  
 About maps: introduction - map scale   (Site not responding. Last check: 2007-10-25)
The map scale expresses the ratio between distances in the map and those in reality.
When a map displays a large area it is said to be a small scale map, and when a small area a large scale map.
The scale can be indicated by a scale bar showing that 1 cm on the map corresponds with 3 kilometers in the terrain, a ratio such as 1:2.225.000, or in words like "one inch to the mile".
www.itc.nl /personal/kraak/stamps/maps/ws14.htm   (77 words)

  
 Map and Geography Library - Topographic Maps
Topographic maps are used widely for applications such as hiking and camping, engineering, land conservation, etc. The feature that distinguishes a topographic map from any other type of map are contour lines that show lines of equal elevation.
Scale is the ratio of the distance on the map to the actual distance on the Earth's surface.
A map of scale 1:24,000 means that one inch on the map is equivalent to 24,000 inches on the ground.
www.library.uiuc.edu /max/topos.shtml   (1262 words)

  
 TopoZone - The Web's Topographic Map, and more!
The size of a small map is 400 pixels by 300 pixels, and the size of a large map is 800 by 600 pixels..
The 1:25,000 scale is the same scale as that used on USGS paper quads and the 1:50,000 scale map is the same data zoomed out to cover twice as much ground area.
Every time you zoom in on a map or otherwise change map scales, you are retrieving a completely new map from the server and you must wait for that map to be downloaded.
www.topozone.com /help/maptips.asp   (1217 words)

  
 Scale (ratio) - Wikipedia, the free encyclopedia
Correspondingly, torques could be represented on the same map by areas in a scale of 1 m² : 12 500 Nm, which is equal to 1 m : 12 500 N. Torques in the plane of the map could be represented by arrows with an independent scale of e.g.
The scale of a map or enlarged or reduced model indicates the ratio between the distances on the map or model and the corresponding distances in reality or the original.
a map of scale 1:50,000 shows a distance of 50,000 cm (=500 m) as 1 cm on a map, and a model on a scale 1:25 of a building with a height of 30 m has a model height of 1.20 m.
en.wikipedia.org /wiki/Scale_(ratio)   (465 words)

  
 Map it
Ideally use a map of the local area or somewhere the students are familiar with.
There are two distinct types of scale you may find on maps, a ratio, such as 1:100 000; and a graphical bar that shows how far 1km, for example, is on the map.
On larger scale maps, they are likely to be lines of longitude and latitude, but on smaller scale maps they will be grid lines, which are used for finding and indicating specific positions on the map.
www.nzmaths.co.nz /Geometry/Position/mapit.aspx   (1355 words)

  
 Map Scale
Individual topographic maps are commonly referred to as quadrangles (or quads), with the name of the quadrangle giving an idea of the amount of area covered by the map.
The scale of the map is determined by the amount of real-world area covered by the map.
The smaller the ratio is between distances on the map and distances in the real world, the smaller the scale of the map is said to be.
geology.isu.edu /geostac/Field_Exercise/topomaps/map_scale.htm   (452 words)

  
 Scale (map) - Search Results - MSN Encarta
Scale (map) - Search Results - MSN Encarta
Scale (map), in cartography, the ratio of the distance between two points on a map and the actual distance between the two points on the earth's...
The scale to which a map is drawn represents the ratio of the distance between two points on the earth and the distance between the two corresponding...
encarta.msn.com /Scale_(map).html   (160 words)

  
 scale - Search Results - MSN Encarta
Scale (music) (Italian scala, “ladder”), the arrangement, by rising or falling pitch sequence, of the tones used in a musical system.
An animal's integumentary system is the external covering that shields its body from the outside world.
weighing machine, balance, scales, measure, weighbridge, gauge, ruler, rule, measure, balance, scales, gradation, hierarchy, gamut, tier, band,...
encarta.msn.com /encnet/refpages/search.aspx?q=scale   (293 words)

  
 GUIDE TO MAP SCALE
Scale is defined as the ratio of the distance on a map to the corresponding distance on the surface the map represents.
Map scales are given in the catalog in the RF form.
A map series for a larger area may include the area you are interested in; so be sure to check for maps of larger areas such as countries or continents.
groundwater.fullerton.edu /Map-scale.htm   (4567 words)

  
 Meriam Library -- Map Collection -- Map Scales
Scale is the relationship between distances on the map and distances in the 'real world'.
Map scales are usually given as a ratio, i.e.
One unit of measurement on the map represents 100,000 of the same unit of measurement on the ground.
www.csuchico.edu /lbib/maps/mapscales.html   (194 words)

  
 Vertical Scale
The scales discussed before only deal with the relationship between horizontal distances on the map and horizontal distances in the real world.
In general, the smaller the scale of the map (remember, small scale maps show a larger area of the earth’s surface) the larger the contour interval will be.
A final type of contour that may appear on a topographic map is a line representing a closed depression (such as a sinkhole or a crater at the top of a volcano).
geology.isu.edu /geostac/Field_Exercise/topomaps/vert_scale.htm   (450 words)

  
 Delaware Department of Transportation - Map Request   (Site not responding. Last check: 2007-10-25)
These county maps may also be obtained at a scale of 1"=1 mile (wall map size) plotted in-house upon request.
These maps are primarily used for subdivision information, showing roads and streets in the state.
Maps are updated periodically, bound sets include an index for locating roads, streets, water features, places, parks, and places of worship.
www.deldot.gov /public.ejs?command=PublicMapRequest   (532 words)

  
 Historic map data, Burgundy, France
Archives, map dealers, and other sources were searched to locate as many different maps from different periods as possible, with an emphasis on older maps.
This map is quite general in its spatial accuracy, but it is the oldest map yet located that covers the research area.
The map is centered on Mt. Dardon, with the village of Uxeau to the Southwest.
www.informatics.org /france/maps.html   (1635 words)

  
 Cynthia Lanius' Lessons: Mathematics of Cartography: Map Scale   (Site not responding. Last check: 2007-10-25)
Definition- The relationship between distances on a map and the corresponding distances on the earth's surface expressed as a fraction or a ratio.
One unit of measurement on the map -- 1 inch or 1 centimeter -- could represent 10,000 of the same units on the ground.
Intermediate scale maps occur in the 1:50,000 to 1:100,000 scale range.
math.rice.edu /~lanius/pres/map/mapsca.html   (209 words)

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