Works overlap
—Area inside the outward 50 m band.
Browser area estimates use geographic coordinates. Use QGIS outputs for projected measurements.
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Map legend
- Historical broadleaf forest
- 50 m outward river band
- Mapped channel boundary
- Illustrative works boundary
- Works inside the river band
- Terrain contours, 50 m interval
Source status
Remote features have not been fetched.
River snapshot: Water Resources Agency, source statistical year 2000. Forest snapshot: surveys from 2003 to 2009, with partial 2013 updates. A successful online fetch does not make these historical surveys current.
Satellite image: Sentinel-2C, 26 September 2026, 10 m source resolution. Contains modified Copernicus Sentinel data (2026). Terrain: official Taiwan 20 m DTM, released in 2025, surveyed in 2021 and 2022.
The works rectangle is illustrative. This map is not a clearance decision or a detailed engineering assessment. Refresh is manual. Background images are saved snapshots.