(i) What is the cause of the variations in the trends in the minimum DN values from the lower to higher bands?  (ii) What do the differences in the separate year’s DN values signify?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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(i) What is the cause of the variations in the trends in the minimum DN values from the lower to higher bands? 

(ii) What do the differences in the separate year’s DN values signify?

16. (A) Statistical summaries of the DN values in the various bands of a typical satellite data of
an area from two different periods are shown below.
Year 1
Band
2
3
4
5
6
7
Min DN
96
49
34
21
9
129
Маx DN
194
195
98
129
142
213
154
Year 2
Band
1
3
4
6
7
Min DN
34
25
14
11
101
1
Max DN
174
101
138
99
142
213
154
Transcribed Image Text:16. (A) Statistical summaries of the DN values in the various bands of a typical satellite data of an area from two different periods are shown below. Year 1 Band 2 3 4 5 6 7 Min DN 96 49 34 21 9 129 Маx DN 194 195 98 129 142 213 154 Year 2 Band 1 3 4 6 7 Min DN 34 25 14 11 101 1 Max DN 174 101 138 99 142 213 154
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