Compare TRIM to eDTM
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Description
Compare the ensemble DTM to current data sources:
1) TRIM at a province levels
- Rough comparison at province wide (simple
- Hot spots
2) TRIM at known problematic areas
- lakes - rmse value (?).
- cross sections/ plot the cross sections. (lakes etc).
- cutblocks/ fires
- highly vegetated areas
- highly variable mountainous areas
3) For Lakes :
- lakes <- read in lakes from bcdata
calc stats for elevations in lakes in both DEMs.
- Which DEM has a range closer to 0m?
- graph the elevation range of each lake to ID outliers and compare the spread between the two DEMs visually.
- ID lakes with elevations differences outside an acceptable threshold in both DEMs
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