SO503 Honors Research Methods

Spring 2009 Test 2

 

 

Short answer

4 @ 20 points

80

 

Definitions

5 @ 4 points

20

 

Total

 

100

 

 

 

 


 

The figure below shows two data sets covering the same area,

 

LIDAR bare earth (last return) LIDAR first return

 


 


The figure below shows three bands from the Landsat TMsatellite:

 

Identify which is which, and indicate how you determined the identifications. 

 

One band has much lower spatial resolution--which one, and why?

 

Band 6, TIR.  Low resolution because it is energy emitted by the earth, and that is not nearly as much energy as you get in reflected solar energy.

Band 1, Blue.  Variation in the water, but not a very good differentiation between land and water.

Band 4, NIR.  Very good contrast between land and water, and vegetation reflects very strongly.

 


The correlation matrix below shows the relationships between the three bands on the previous page, and the scattergrams below show the relationship between each pair in the three diagrams.

 

Correlation Matrix

 

Band 1 TM: blue 0.45-0.52

Band 4 TM: near IR 0.76-0.90

Band 6 TM: thermal IR 10.4-12.5

Band 1 TM: blue 0.45-0.52

1.00

0.17

0.67

Band 4 TM: near IR 0.76-0.90

0.17

1.00

0.57

Band 6 TM: thermal IR 10.4-12.5

0.67

0.57

1.00

 

 

 

 

 


 

 


Discuss how we can use internet search logs for scientific research:

 



Definitions: define 5 of the following terms: