Photo review
Field photographs
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Model color relief
Colors distinguish relative surface relief in the model and are paired with hillshade. No validated elevation scale or tidal-datum tie is published here.
Site assets
Photos
GPS ledger
Coordinates and point heights
Each value belongs to one GPS row; it is not a single elevation for the site. The CSV distinguishes local-datum height from receiver altitude.
| ID | Lat | Lon | Point height | V. accuracy |
|---|---|---|---|---|
| HS125 Chris’s house GCP4 | -19.8464752761917 | -157.686811841713 | 3.14 | 0.063 |
| GCP12 | -19.8462245836933 | -157.686787812943 | 0.39 | 0.06405 |
| Waterline Chris’s beach | -19.8462543838517 | -157.686746287233 | -0.08 | 0.06408 |
| GCP1 | -19.8460420687067 | -157.687104323038 | 0.33 | 0.06508 |
| GCP8 | -19.84622052837 | -157.687030698568 | 4.83 | 0.07608 |
| HS125B | -19.846404729225 | -157.687077333027 | 5.27 | 0.0709 |
| GCP3 | -19.8467527003633 | -157.686771659703 | 6.04 | 0.06894 |
| HS125D | -19.8466927579817 | -157.686514657692 | 4.95 | 0.06668 |
| HS125C | -19.8464843323483 | -157.686607101143 | 4.00 | 0.06653 |
| HS125A | -19.8462479340183 | -157.687220380175 | 3.36 | 0.08064 |
Samples
Sample list
| Sample | Type | Time CKT | Position | Photos |
|---|---|---|---|---|
| HS125A | Fossilized coral | 2026-06-11 15:55 | -19.846248, -157.687220 3.360 m |
|
| HS125B | Fossilized coral | 2026-06-11 15:10 | -19.846405, -157.687077 5.273 m |
|
| HS125C | Fossilized coral | 2026-06-11 15:28 | -19.846484, -157.686607 4.002 m |
|
| HS125D | Fossilized coral | 2026-06-11 15:22 | -19.846693, -157.686515 4.948 m |
|
Raster data
Download site rasters
The map’s DEM layer is a hillshade visualization. These links provide the source elevation raster and orthophoto as GeoTIFFs for local analysis. The DEM uses the island-specific datum.
Raw DEM GeoTIFF
HS125_dem.tif · 653.5 MiB
EPSG:4326 · Float32 · 1 band
Download
Orthophoto GeoTIFF
HS125_orthophoto_rgba.tif · 949.3 MiB
EPSG:4326 · Byte · 4 bands
Download
SHA-256 checksums are included in the public manifest for reproducibility.
Topographic profiles pending
HS125 has photogrammetry map layers, but profile transects have not been defined yet.
Rendered turntable
The HS125 turntable animation is available.