Research Article
Comparison of Sampling Designs for Estimating Deforestation from Landsat TM and MODIS Imagery: A Case Study in Mato Grosso, Brazil
Table 3
Deforestation error
(%) estimated from systematic sampling.
| | Strata | One degree interval | 0.5 degree interval | 0.42 degree interval | | Blocks in strata (%)# | Relative error (%) | Blocks in strata (%)# | Relative error (%) | Blocks in strata (%)# | Relative error (%) |
| | 0-1% | 68 (82) | 15.02 | 284 (80) | 5.56 | 405 (80) | 7.21 | | 1%–5% | 10 (12) | 55 (15.5) | 86 (17) | | 5%–8% | 2 (2.4) | 10 (2.8) | 12 (2.3) | | >8% | 3 (3.6) | 6 (1.7) | 4 (0.7) | | Total | 83 (100) | 355 (100) | 507 (100) |
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The number in the parentheses is the proportion of the sample blocks in each stratum.
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