GIS Midterm
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Geographic information system. A computer system used for capturing, storing, query, analyzing, and displaying geospatial data
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| geospatial data | show 🗑
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| show | use of points and x
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| show | use of grid and grid cells to represent continuous features such as elevation and precipitation
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| show | general exploration of data trends and possible relationships among data sets. Can use maps for data classification and comparison.
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| data analysis | show 🗑
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| show | ArcGIS software manufacturer
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| show | main ESRI software product. Scalable system with ArcView, ArcEditor, and ArcInfo
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| show | The process of transforming the spatial relationship of features on the Earth’s surface to a flat map
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| Reprojection | show 🗑
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| geographic coordinate system | show 🗑
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| latitude | show 🗑
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| show | The angle east or west of the equatorial plane
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| show | Lines of longitude that measure locations in the E
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| show | Lines of latitude that that measure locations in the N
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| show | Earth is NOT a sphere
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| show | A model that approximates the Earth with the major axis along the equator and the minor axis connecting the north and south poles
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| show | irregularly surfaced ellipsoid, better representing the varying elevations of Earth’s surface
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| Clarke 1866 | show 🗑
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| NAD 27 | show 🗑
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| NAD 83 | show 🗑
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| GRS 80 | show 🗑
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| show | A satellite
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| Datum | show 🗑
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| show | A systematic arrangement of parallels and meridians on a plane surface
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| false easting/northing | show 🗑
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| show | A plane coordinate system that is based on a map projection
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| map scale | show 🗑
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| show | A coord. system developed in the 1930s to record original land survey monument locations in the US. Most states have >1 zone based on the SPC27 or SPC83 system
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| on | show 🗑
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| show | a data model that uses rows, columns, and cells to construct spatial features
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| show | spatial characteristics in that cell, changes in cell value reflect spatial variation
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| integer (categorical) | show 🗑
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| show | point (continuous)
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| cell size | show 🗑
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| show | information that allows raster data to spatially align with other GIS data sets
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| georeferenced raster | show 🗑
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| remote sensing | show 🗑
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| Landsat (NASA) | show 🗑
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| digital elevation model (DEM) | show 🗑
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| show | digitized image of an aerial photograph or other remotely sensed data in which the displacement caused by camera tilt and terrain relief has been removed.
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| digital raster graphic (DRG) | show 🗑
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| show | 1:24,000
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| ESRI Grid | show 🗑
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| show | by
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| show | length encoding (RLE)
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| show | division of a raster into a hierarchy of quadrants as to make cells smaller and more precise
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| show | project file for a coordinate system including information about the raster, data structure, area extent, cell size, number of bands, and value for no data
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| show | reduction of data volume. Lossless: preserves cell or pixel values and allows the original raster or image to be precisely reconstructed.
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| show | Mulitresolution Seamless Image Database
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| show | conversion of vector data into raster data
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| show | conversion of raster data into vector data
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
caroline.chandler