Article Figures & Data
Figures
- Figure 1
Images from Google satellite base layer taken for New York and California blocks. R20, 4C, and NDVI3 collection paths are overlayed on each of the images. R20, random sampling of 20 locations in a vineyard block; 4C, four corners sampling; NDVI3, satellite normalized difference vegetation index images processed with an algorithm to locate three consecutive pixels representing the left tail, center, and right tail of the NDVI pixel population.
Tables
- Table 1
Vineyard block information reflecting block size, normalized difference vegetation index (NDVI) image date, and Kolmogorov-Smirnov (KS) value for NDVI3 for the six study blocks. NY, New York; CA, California; NDVI3, satellite NDVI images processed with an algorithm to locate three consecutive pixels representing the left tail, center, and right tail of the NDVI pixel population.
- Table 2
Assumptions related to the transportation method, sample collection, and variable costs used for calculating sampling costs of R20, 4C, and NDVI3. ATV, all terrain vehicle; CA, California; NY, New York; R20, random sampling of 20 locations in a vineyard block; 4C, four corners sampling; NDVI3, satellite normalized difference vegetation index (NDVI) images processed with an algorithm to locate three consecutive pixels representing the left tail, center, and right tail of the NDVI pixel population.
- Table 3
Variable costs per sampling event of cluster sampling in each trial block using R20, 4C, and NDVI3 sampling protocols. The sum of the variable costs per sampling event for each sample path is included and is used to calculate the total transportation cost of sampling using each method in each vineyard block. CA, California; NY, New York; R20, random sampling of 20 locations in a vineyard block; 4C, four corners sampling; NDVI3, satellite normalized difference vegetation index (NDVI) images processed with an algorithm to locate three consecutive pixels representing the left tail, center, and right tail of the NDVI pixel population.
- Table 4
Total cost savings per block, using NDVI3 compared to R20 and 4C, assuming an average of three, five, and nine fruit maturity sampling events per season. CA, California; NY, New York; R20, random sampling of 20 locations in a vineyard block; 4C, four corners sampling; NDVI3, satellite normalized difference vegetation index (NDVI) images processed with an algorithm to locate three consecutive pixels representing the left tail, center, and right tail of the NDVI pixel population.
Vol 75 Issue 1
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