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 |
|---|---|---|---|---|
| HS120 Arapaea | -20.1548241362633 | -157.322261404763 | 1.13 | 0.37887 |
| GCP4 | -20.154876287805 | -157.322207516742 | 2.68 | 0.10281 |
| GCP1 | -20.1549216965717 | -157.322278368298 | 1.49 | 0.114152 |
| GCP8 | -20.1547918650667 | -157.32233064512 | 1.90 | 0.10092 |
| GCP5 | -20.1548881564233 | -157.32243546402 | 3.14 | 0.09717 |
| HS120A | -20.1545786533133 | -157.322319032313 | 7.08 | 0.09293 |
| GCP12 | -20.1545130122883 | -157.322228330838 | 8.33 | 0.08994 |
| GCP3 | -20.15506169326 | -157.322065454042 | 9.31 | 0.26598 |
| GCP3 | -20.155062269835 | -157.32206588651 | 9.15 | 0.21219 |
| GCP3 | -20.1550622533883 | -157.322066059198 | 9.13 | 0.1876 |
| GCP3 | -20.1550625335367 | -157.322066537055 | 9.04 | 0.149051 |
| GCP7 | -20.1548761323167 | -157.322208182362 | 2.43 | 0.49918 |
| GCP7 | -20.154875934875 | -157.322207823028 | 2.56 | 0.41596 |
| GCP7 | -20.1548754480475 | -157.322205538356 | 2.67 | 0.265677 |
| GCP7 | -20.154875467465 | -157.322205560708 | 2.74 | 0.14978 |
| GCP7 | -20.15487534212 | -157.322205211282 | 2.77 | 0.13377 |
| GCP7 | -20.1548752389033 | -157.322204748418 | 2.83 | 0.1204 |
| GCP7 | -20.154875242725 | -157.322204402813 | 2.83 | 0.11143 |
| GCP3 | -20.1549321647967 | -157.322270324147 | 1.66 | 0.1253 |
| GCP4 | -20.1547976562617 | -157.322293127945 | 1.72 | 0.099899 |
Samples
Sample list
| Sample | Type | Time CKT | Position | Photos |
|---|---|---|---|---|
| HS120A | Fossilized coral | 2026-06-07 14:41 | -20.154579, -157.322319 7.082 m |
|
| HS120B | Fossilized coral | , |
|
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
HS120_dem.tif · 160.3 MiB
EPSG:4326 · Float32 · 1 band
Download
Orthophoto GeoTIFF
HS120_orthophoto_rgba.tif · 211.4 MiB
EPSG:4326 · Byte · 4 bands
Download
SHA-256 checksums are included in the public manifest for reproducibility.
Topographic profiles pending
HS120 has photogrammetry map layers, but profile transects have not been defined yet.
view_in_ar
Rendered turntable pending
The HS120 mesh output is reserved for a future turntable animation once the mesh assets are present.