Chapter 2 Study Guide
The prime meridian is defined as running through which location?
Greenwich, England
The spatial distributions, patterns, and relations of interests to geographers are best exposed through the use of _____ a geographers primary tool
maps
A flow-line map would not be used to depict
political boundaries
a flow-line map would NOT be used to depict
political boundaries
What is the name for this type of thematic map, which uses shaded areas to show the amount population varies from one California county to another
choropleth map
Topographic maps use ____ lines to depict lines of equal elevation
contour
The ________ is an imaginary line that runs north-south and defines zero-degree longitude
prime meridian
The way in which the curved surface of the globe is represented on a flat sheet of paper is called a map ____
projection
what is the contour interval of a map?
the distance in elevation between contour lines
A (n) _____ map depicts the shape and elevation of terrain as well as natural and human features of the landscape
topographic
Established in 1785, the ______ and ____ system is based in survey lines that divide the land into a series of squares
township, range
Satellites such as Landsat satellites are important tools for imaging the earth because ______
-they can provide views of large regions of the Earth -they can cover wide areas in a short period of time -they enable us to map atmospheric and weather conditons
How many satellites are used in the Global positioning system (GPS) network?
24
The Earth is divided into ____ time zones, centered roughly on meridians at ___ degree intervals
24; 15
How many seconds are there in one degree?
3600
The global positioning system is maintained by the United States Department of _____
Defense
Each new day begins at the __________ which generally follows the 108th meridian
International Date line
What is the general terms for a line on a map that denotes specific numerical values by joining points of equal value (for example a contour line)?
Isoline
What is the contour interval of a map?
The distance in elevation between contour lines
Which of these is not one of the five major components of a geographic information system?
a data collection component
An equal-area projection (also called an equivalent projection) is one in which______
a square inch on the map represents the same number of square miles as any other square inch elsewhere on the map
___ are used to represent map features within defined areas
area symbols
A (n) _______ projection shows the true direction from one central point to all other points
azimuthal
The township and range system divides the land using survey lines: _______ lines that run east-west and __________ that run north south
base, meridians
Why does the distance between adjacent degrees of longitude vary with distance from the equator?
because the meridians converge at the poles
The art, sciences, and technology of map making are called
cartography
Standard photography
detects reflected energy within the visible portion of the micromanagement spectrum. Can't penetrate darkness or cloud cover
The lines of latitude are ____ to each other and run ____
east-west , parallel
Contour Lines are used on topographic maps to depict _______
elevation
The _______ is the set of imaginary lines that intersect at right angles to form a system of reference for locating points on the surface of the Earth
geographic grid
Features that have length but insignificant width, such as fences or political boudaries, are represented on maps by _______
line symbols
Features that occur at a particular point in space are represented by _______ such as dots, crosses, or triangles
point symbols
Thermal scanner
records long wave radiation emitted by objects. Can penetrate darkness but can't penetrate clouds
Because of their ability to cover large regions and because of their high-speed of coverage, _____ have become important tools for imaging earths feature
satellites
Projections that accurately portray the shapes of small areas by preserving angular relationships are called ___ projections
Conformal
Which of the following properties of Earth's actual surface are commonly distorted by maps?
-area -distance -shape -direction
Which of the following properties of Earth;s actual surface are commonly distorted by maps?
-direction -distance -shape -area
which of these is NOT an example of isoline?
-isotope examples of isoline: -isobar -isotherm -isohyet
Which of the following statements about conformal projections are correct?
-parallels of latitude and meridians of longitude cross one another at right angles -scale is the same in all directions at any given location -preserve directional relationships for small areas
Which of the following statements about conformal projections are correct?
-preserve directional relationships for small areas -scale is the same in all directions at any given location -parallels of latitude and meridians of longitude cross one another at right angles
Which of the following are the key reference points in the grid system used to locate points on the surface of the earth?
-prime meridian -equator -north pole -south pole
Maps use area symbols to show the distribution of a phenomenon in an area can have which of the following problems?
-the colors chosen may make some areas look more important than others -they can give a false impression of uniformity within an area -the suggest abrupt boundaries between regions when boundaries may be diffuse
Which of thr follwoing are the key refrenece points in the grid system used to locate points on the surface of the Earth?
-the prime meridian -the equator -north pole -south pole
What is the name used for the angular distance east or west of the prime meridian
Longitude
Which of the following is not generally depicted on a topographic map?
Population density
Radar
Sends out pulses of microwave electromagnetic radiation and detects their reflection. Can penetrate both darkness and clouds
The scale of a map is
the ratio between the size of something on the map and the size of that thing on the earth
T/F: an equal area projection always distorts the shapes regions
true: equal area maps show correct areal relationships but always distorts shape
Lidar
utilizes a laser to transmit light to an object and measures the reflected light to produce a precise depiction of the ground surface
Color-infared photography
yields false-color images. Particularly useful for recording vegetation and hydro-graphic features. Can't penetrate darkness or cloud cover