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          "title": "ror"
        },
        "phone": "+44 (0)1223 221400",
        "address": {
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          "city": "Cambridge",
          "administrative_area": "Cambridgeshire",
          "postal_code": "CB3 0ET",
          "country": "United Kingdom"
        },
        "email": "magic@bas.ac.uk",
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    ],
    "constraints": [
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        "restriction_code": "unrestricted",
        "statement": "Open Access (Anonymous)"
      },
      {
        "type": "usage",
        "restriction_code": "license",
        "statement": "This information is licensed under the Creative Commons Attribution-NoDerivatives 4.0 International Licence (CC BY-ND 4.0). To view this licence, visit https://creativecommons.org/licenses/by-nd/4.0/",
        "href": "https://creativecommons.org/licenses/by-nd/4.0/"
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    "maintenance": {
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    "date_stamp": "2026-05-19",
    "metadata_standard": {
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  "identification": {
    "title": {
      "value": "Rothera Point Orthomosaic 2026-04-02"
    },
    "abstract": "Orthomosaic of Rothera Point derived from UAV imagery acquired by the BAS Engineering Team for site progress recording and general visual reference.\n\n> [!WARNING]\n>\n> This item is not a survey-grade output and has known positional accuracy limitations.\n\nThis item includes two image files:\n\n* a non-georeferenced and reduced resolution quick-look JPEG\n    *  CDE reference: `AIMP-BAS-ZZZ-XX-I-Y-0011`\n* a georeferenced GeoTIFF for qualitative visual reference and progress inspection\n    * CDE reference: `AIMP-BAS-ZZZ-XX-I-Y-0012`\n\nFurther details on acquisition, processing, data quality and restrictions on use are provided in the [Lineage](#tab-lineage).\n\n> [!TIP]\n>\n> For any use requiring reliable positional accuracy, users should refer to the latest Minimum Snow Cover (MSC) dataset.",
    "purpose": "Orthomosaic of Rothera Point, derived from UAV imagery captured 2nd April 2026.",
    "dates": {
      "creation": "2026-04-02",
      "publication": "2026-05-14T17:24:00+00:00",
      "released": "2026-05-14T17:24:00+00:00"
    },
    "edition": "1",
    "other_citation_details": "Produced by British Antarctic Survey, 2026, [https://data.bas.ac.uk/items/3ea32bb4-06ed-4462-bcb2-26b0171636d2](https://data.bas.ac.uk/items/3ea32bb4-06ed-4462-bcb2-26b0171636d2).",
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        "namespace": "lantern.data.bas.ac.uk"
      }
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    "contacts": [
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        "phone": "+44 (0)1223 221400",
        "address": {
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          "city": "Cambridge",
          "administrative_area": "Cambridgeshire",
          "postal_code": "CB3 0ET",
          "country": "United Kingdom"
        },
        "email": "magic@bas.ac.uk",
        "online_resource": {
          "href": "https://www.bas.ac.uk/teams/magic",
          "title": "Mapping and Geographic Information Centre (MAGIC) - BAS public website",
          "description": "General information about the BAS Mapping and Geographic Information Centre (MAGIC) from the British Antarctic Survey (BAS) public website.",
          "function": "information"
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          "publisher"
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          "name": "Engineering Team, British Antarctic Survey",
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          "title": "ror"
        },
        "phone": "+44 (0)1223 221400",
        "address": {
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          "city": "Cambridge",
          "administrative_area": "Cambridgeshire",
          "postal_code": "CB3 0ET",
          "country": "United Kingdom"
        },
        "online_resource": {
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          "title": "BAS public website",
          "description": "General information about the British Antarctic Survey (BAS).",
          "function": "information"
        },
        "role": [
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        ]
      },
      {
        "organisation": {
          "name": "UK Research and Innovation",
          "href": "https://ror.org/001aqnf71",
          "title": "ror"
        },
        "address": {
          "delivery_point": "Polaris House",
          "city": "Swindon",
          "postal_code": "SN2 1FL",
          "country": "United Kingdom"
        },
        "online_resource": {
          "href": "https://www.ukri.org",
          "title": "UKRI - UK Research and Innovation",
          "description": "Corporate website for UK Research and Innovation (UKRI).",
          "function": "information"
        },
        "role": [
          "rightsHolder"
        ]
      }
    ],
    "maintenance": {
      "maintenance_frequency": "asNeeded",
      "progress": "completed"
    },
    "graphic_overviews": [
      {
        "identifier": "overview",
        "href": "https://cdn.web.bas.ac.uk/add-catalogue/0.0.0/img/items/3ea32bb4-06ed-4462-bcb2-26b0171636d2/overview.jpg",
        "description": "General overview of resource",
        "mime_type": "image/png"
      }
    ],
    "constraints": [
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        "type": "access",
        "restriction_code": "restricted",
        "statement": "Closed Access (BAS Staff)"
      },
      {
        "type": "usage",
        "restriction_code": "license",
        "statement": "This information is licensed under the (Local) MAGIC Products v1 licence. To view this licence, visit https://metadata-resources.data.bas.ac.uk/licences/magic-products-v1/.",
        "href": "https://metadata-resources.data.bas.ac.uk/licences/magic-products-v1/"
      }
    ],
    "aggregations": [
      {
        "identifier": {
          "identifier": "7344d437-4d9b-4e8c-a6f8-36c3e1b80a71",
          "href": "https://lantern.data.bas.ac.uk/items/7344d437-4d9b-4e8c-a6f8-36c3e1b80a71",
          "namespace": "lantern.data.bas.ac.uk"
        },
        "association_type": "largerWorkCitation",
        "initiative_type": "collection"
      }
    ],
    "character_set": "utf8",
    "language": "eng",
    "extents": [
      {
        "identifier": "bounding",
        "geographic": {
          "bounding_box": {
            "west_longitude": -68.1333,
            "east_longitude": -68.1111,
            "south_latitude": -67.572222,
            "north_latitude": -67.563889
          }
        },
        "temporal": {
          "period": {
            "start": "2026-04-02",
            "end": "2026-04-02"
          }
        }
      }
    ],
    "lineage": {
      "statement": "The orthomosaic was generated from UAV imagery captured by the BAS Engineering Team at Rothera Research Station.\n\n### Instrumentation\n\nUAV model:\n\n* DJI Mavic 3 Enterprise\n\nCamera specification:\n\n* Sensor: 4/3 CMOS, 20 MP effective pixels\n* Lens field of view: 84°\n* Equivalent focal length: 24 mm\n* Aperture: f/2.8–f/11\n* Focus range: 1 m to infinity\n* ISO range: 100–6400\n* Electronic shutter speed: 8–1/8000 s\n* Mechanical shutter speed: 8–1/2000 s\n* Maximum image size: 5280 × 3956 pixels\n\n### Data processing and accuracy\n\nThe orthomosaic was produced through photogrammetric processing of the UAV imagery and exported in the UTM Zone 19S coordinate system. \n\nNo surveyed Ground Control Points were used during the processing. The dataset was therefore georeferenced using the UAV’s internal positional information only.\n\nNo independent accuracy assessment was undertaken; therefore, the positional accuracy of the dataset has not been independently verified. As the imagery was not acquired or processed for accurate mapping or survey purposes, no Ground Sampling Distance (GSD) has been specified, and no photogrammetric processing or accuracy report is available for this item.\n\n> [!WARNING]\n> This orthomosaic is intended for visual reference, site awareness, and general progress-record purposes only.\n>\n> It should not be used for precise measurement, setting out, design verification, engineering assessment, asset positioning, boundary definition, or any other survey-grade application.\n\n> [!TIP]\n> Any use requiring reliable spatial accuracy should refer to the Minimum Snow Cover (MSC) dataset survey."
    },
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          "dates": {
            "publication": "2025-11-24"
          },
          "edition": "2",
          "title": {
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            "href": "https://metadata-standards.data.bas.ac.uk/profiles/magic-discovery/v2/"
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              "administrative_area": "Cambridgeshire",
              "postal_code": "CB3 0ET",
              "country": "United Kingdom"
            },
            "email": "magic@bas.ac.uk",
            "online_resource": {
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              "title": "Mapping and Geographic Information Centre (MAGIC) - BAS public website",
              "description": "General information about the BAS Mapping and Geographic Information Centre (MAGIC) from the British Antarctic Survey (BAS) public website.",
              "function": "information"
            },
            "role": [
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          }
        },
        "explanation": "Resource within scope of the British Antarctic Survey (BAS) Mapping and Geographic Information Centre (MAGIC) Discovery Metadata Profile.",
        "result": true
      }
    ]
  },
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      "transfer_option": {
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          "href": "sftp://san.nerc-bas.ac.uk/data/magic_airphoto/rothera_drone_engineering/2026-04-02_Rothera_Station",
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      }
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