Ex: one inch on the map represents 63,360= one mile on the earth. Remember, in ratios, whatever unit of measurement is on the left of the ratio sign the same units mus be used on the right side.
https://quizlet.com/16183184/topographic-maps-terms-flash-cards/
The simplest form of map scale is a VERBAL SCALE. A verbal scale just states what distance on the map is equal to what distance on the ground, (i.e. 1 inch = 2000 feet from our example above) Though verbal scales are easy to understand, you usually will not find them printed on topographic maps. Instead our second type of scale is used.
http://faculty.chemeketa.edu/afrank1/topo_maps/scale.htm
METHODS OF EXPRESSING DIRECTION. Military personnel need a way of expressing direction that is accurate, is adaptable to any part of the world, and has a common unit of measure. Directions are expressed as units of angular measure. a. Degree. The most common unit of measure is the degree (°) with its subdivisions of minutes (') and seconds (). 1 degree = 60 minutes. 1 minute = 60 seconds.
http://www.map-reading.com/baseline.php
Size of the map. The size of a topographic map is expressed in degrees of longitude and latitude, EX. the standard maps cover 15 minutes of arc of the globe, or 1/4 of a degree and are referred to as the 15 minute series (1:62,500) Each map covers 15 minutes of arc north-south and east-west. Series (1:24,000) available.
https://quizlet.com/16183184/topographic-maps-terms-flash-cards/
The smaller number of the fractional scale is the distance on the map, the larger number in the scale is the distance on the ground. So if we take our example scale (1:62500) we can choose units we want to measure distance in. Lets chose inches.
http://faculty.chemeketa.edu/afrank1/topo_maps/scale.htm
The grad is a metric unit of measure found on some foreign maps. There are 400 grads in a circle (a 90-degree right angle equals 100 grads). The grad is divided into 100 centesimal minutes (centigrads) and the minute into 100 centesimal seconds (milligrads).
http://www.map-reading.com/baseline.php
(Note: origins expressed using latitude/longitude coordinates rather than addresses always default to metric units.) For example, a route from Chicago, IL to Toronto, ONT will display results in miles, while the reverse route will display results in kilometers.
http://stackoverflow.com/questions/14404066/changing-the-units-on-google-maps-from-metric-to-imperial
6-1. Military personnel need a way of expressing direction that is accurate, is adaptable to any part of the world, and has a common unit of measure. Directions are expressed as units of angular measure. a.
http://www.map-reading.com/baseline.php
A fractional scale is the ratio of map distance to the equivalent distance on the ground using the same units for both. It is very important to remember when we start changing a fractional scale to a verbal scale that both the map and ground units start out the same.
http://faculty.chemeketa.edu/afrank1/topo_maps/scale.htm
A ratio scale is a fraction, expressed in the from of a retio and is the relationship between the distance on the map compared to the actual distance that represents on the earth surface. If it is expressed as a fraction it is called representative fraction or RF on the map.
https://quizlet.com/16183184/topographic-maps-terms-flash-cards/
directions are expressed as units of _____________.
Directions are expressed as units of the degrees.