Waikīkī Beach

Notes on the Dataset

  • The last 56 RGB images (from 20200225 on) seem to be corrupted and can't be openend in a way to get valid color values.

Detailed Information

General Information
NameWaikīkī Beach
Release Year2024
Terms of UseCC0
Access RequirementsNone
Dataset Size31.1 GB | Partial download is possible, i.e. the data is split into several files (e.g., epochs or data types)
DocumentationIn-depth documentation of acquisition and characteristics of the dataset, e.g., via an explicit dataset paper or a comprehensive multi-page metadata document
CodeNo
ApplicationsAnalysis of geomorphological processes
Detailed ApplicationsShoreline monitoring (coastal morphodynamics)
Acquisition
Number of Scenes1
Number of Epochs per Scene (minimum)128
Number of Epochs per Scene (median)128
Number of Epochs per Scene (maximum)128
General Scene TypeLandscape
Specific Scene TypeBeach
LocationKahaloa Beach, Waikīkī (Hawai´i)
Acquisition TypePhotogrammetric from aerial images
Acquisition DeviceUAV-embedded RGB + Agisoft Metashape
Acquisition PlatformDJI Phantom 4 Pro UAV
Scan IntervalDays to Weeks
Acquisition MonthsJanurary: 9 February: 11 March: 9 April: 14 May: 15 June: 14 July: 15 August: 9 September: 11 October: 9 November: 9 December: 3
Representation
Data RepresentationStructured, globally aligned (e.g., DSM, DTM, or DEM)
Specific Data RepresentationDigital terrain model
File Format/EncodingGeoTIFF
Raw Data-
Additional DataShoreline vectors | computed area and volume | ArcGIS files
Coordinate System32604
Quality and Usability
RegistrationFinely registered
Number of Partial Epochs-
Unusable Data ReasonErrorneous
SplitsNo
Per-Point Attributes
Intensity/ReflectivityNo
ColorYes | Color is not naturally included, but images are available that could be backprojected
Semantic Labels-
Instance LabelsNo
Change Labels-
Statistics
Number of Points per Epoch (minimum)83K
Number of Points per Epoch (median)85K
Number of Points per Epoch (maximum)88K
Avg. Point Spacing (minimum)5.0dm
Avg. Point Spacing (median)5.0dm
Avg. Point Spacing (maximum)5.0dm
Avg. Change Points per Epoch-

Paper Reference 1

@article{mikkelsen2024waikikidescription,
    title = {Three years of weekly DEMs, aerial orthomosaics and surveyed shoreline positions at Waikīkī Beach, Hawai‘i},
    doi = {10.1038/s41597-024-03160-z},
    author = {Mikkelsen, Anna and McDonald, Kristian and Kalksma, Julianne and Tyrrell, Zachary and Fletcher, Charles},
    year = {2024},
    journal = {Sci Data},
    volume = {11},
    pages = {324},
}

Dataset Reference 1

@misc{mikkelsen2024datasetwaikiki,
    title = {Three years of weekly DEMs, aerial orthomosaics and surveyed shoreline positions at Waikīkī Beach, Hawai‘i},
    doi = {10.6084/m9.figshare.c.6911899.v1},
    author = {Mikkelsen, Anna and McDonald, Kristian and Fletcher, Charles and Tyrrel, Zachery},
    year = {2024},
}