speed:
The speed is
about 1,000 acres per person per day. The product is already in digital
form, no need to digitize it. Currently the speed of manual mapping (including
compilation and digitization) is about 80-100 acres per person per day.
products and
accuracy:
SoLIM products include fuzzy membership maps and hardened(thematic) maps.
Fuzzy membership maps depict gradual soil change across space. Hardened
maps are parallel to conventional maps, while with finer details. If neccessary,
hardened maps can be easily vectorized. Below are SoLIM mapping accuracies
in parts of Dane:
Accuracy:
Inferred vs. Field Observed |
|
Correct |
Incorrect |
Accuracy |
Blue Mounds NE
|
34 |
4 |
89% |
Cross Plain SW |
22 |
6 |
78% |
Watershed24
|
31 |
9 |
77% |
expense:
Cost about $1.5 million to complete field mapping of the County using
the manual approach. Cost about $0.5 million using the SoLIM approach
in digital form.
|