Question 1

To delineate a 200m riparian zone for water quality protection, which of the following GIS operations will be used?

Accepted Answer

A)  overlay 
B)  spatial query 
C)  intersect 
D)  buffer 
A)  overlay 
B)  spatial query 
C)  intersect 
D)  buffer

Question 2

If you cannot give a scientific justification to describe a trend in your data, which kriging should you use?

Accepted Answer

A)  ordinary kriging 
B)  universal kriging 
A)  ordinary kriging 
B)  universal kriging

Question 3

We have a layer representing rivers and another layer representing septic tanks on farm properties. We would like to identify which septic tanks are located within the 200m riparian zones. Which model should we use?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 4

Spatial interpolation is

Accepted Answer

A)  the procedure of combining one or more data ranges into a new data range to create a new data layer 
B)  the procedure of establishing a relationship between two spatially correlated environmental variables 
C)  the procedure of estimating values at unsampled locations within an area covered by an existing set of discrete observations or samples 
D)  the procedure of determining which sampled points lie within the boundary of an area feature 
A)  the procedure of combining one or more data ranges into a new data range to create a new data layer 
B)  the procedure of establishing a relationship between two spatially correlated environmental variables 
C)  the procedure of estimating values at unsampled locations within an area covered by an existing set of discrete observations or samples 
D)  the procedure of determining which sampled points lie within the boundary of an area feature

Question 5

With which of the following weight values (φ), does a spline with tension produce a smoother surface?

Accepted Answer

A)  0 
B)  1 
C)  5 
D)  10 
A)  0 
B)  1 
C)  5 
D)  10

Question 6

To examine which crops grow on which types of soil based on an agricultural land use and a soil map, you should apply

Accepted Answer

A)  polygon-on-polygon overlay 
B)  point-in-polygon overlay 
C)  line-in-polygon overlay 
A)  polygon-on-polygon overlay 
B)  point-in-polygon overlay 
C)  line-in-polygon overlay

Question 7

The purpose of fitting a semivariogram with a mathematical curve is to

Accepted Answer

A)  estimate the trend of the surface 
B)  estimate the random errors in spatial variations in the surface 
C)  estimate the value at an unknown location 
D)  estimate the semivariance at every possible distance 
A)  estimate the trend of the surface 
B)  estimate the random errors in spatial variations in the surface 
C)  estimate the value at an unknown location 
D)  estimate the semivariance at every possible distance

Question 8

To answer the question of 'how many meteorological stations are in forested areas?', which type of GIS operations is appropriate?

Accepted Answer

A)  proximity 
B)  buffer 
C)  polygon-on-polygon overlay 
D)  point-in-polygon overlay 
A)  proximity 
B)  buffer 
C)  polygon-on-polygon overlay 
D)  point-in-polygon overlay

To delineate a 200m riparian zone for water quality protection, which of the following GIS operations will be used?

If you cannot give a scientific justification to describe a trend in your data, which kriging should you use?

We have a layer representing rivers and another layer representing septic tanks on farm properties. We would like to identify which septic tanks are located within the 200m riparian zones. Which model should we use?

Spatial interpolation is

With which of the following weight values (φ), does a spline with tension produce a smoother surface?

To examine which crops grow on which types of soil based on an agricultural land use and a soil map, you should apply

The purpose of fitting a semivariogram with a mathematical curve is to

To answer the question of 'how many meteorological stations are in forested areas?', which type of GIS operations is appropriate?

GIS Overview

Spatial Data and Data Management

Spatial Data Input and Manipulation

Spatial Data Exploration With Statistics

Remote Sensing Data Analysis

Terrain Analysis

Spatial Visualisation

Spatial Modeling and Decision Analysis

Environmental Applications of GIS

Filters

Exam 4: Spatial Analysis

To delineate a 200m riparian zone for water quality protection, which of the following GIS operations will be used?

If you cannot give a scientific justification to describe a trend in your data, which kriging should you use?

We have a layer representing rivers and another layer representing septic tanks on farm properties. We would like to identify which septic tanks are located within the 200m riparian zones. Which model should we use?

Spatial interpolation is

With which of the following weight values (φ), does a spline with tension produce a smoother surface?

To examine which crops grow on which types of soil based on an agricultural land use and a soil map, you should apply

The purpose of fitting a semivariogram with a mathematical curve is to

To answer the question of 'how many meteorological stations are in forested areas?', which type of GIS operations is appropriate?

GIS Overview

Spatial Data and Data Management

Spatial Data Input and Manipulation

Spatial Data Exploration With Statistics

Remote Sensing Data Analysis

Terrain Analysis

Spatial Visualisation

Spatial Modeling and Decision Analysis

Environmental Applications of GIS

Filters