{"help": "https://data.gov.au/data/api/3/action/help_show?name=package_show", "success": true, "result": {"archived": false, "author_email": null, "contact_point": "clientservices@ga.gov.au", "creator_user_id": "c2fbbe4a-4ba0-4945-808b-67454605a4cf", "duplicate_score": 2, "geospatial_topic": [], "id": "35a5b146-bdbf-480f-b1fb-9fa0c4475167", "isopen": false, "language": "eng", "license_id": "notspecified", "license_title": "notspecified", "maintainer": null, "maintainer_email": null, "metadata_created": "2025-10-16T14:38:28.572351", "metadata_modified": "2025-10-16T14:38:28.572359", "name": "continental-scale-validation-of-analysis-ready-data-in-australia-experience-with-satellite-deri", "notes": "Analysis Ready Data (ARD) are satellite data that have been pre-processed for immediate analysis with minimal user effort. The generation of Surface Reflectance (SR) from optical satellite data, involves a series of corrections to standardise the data and enable meaningful comparison of data from multiple sensors and across time. Surface reflectance data are foundational for time-series analyses and rapid generation of other information products. Field based validation of surface reflectance data is therefore critical to determine its fitness for purpose, and applicability for downstream product development. \nIn this paper, an approach for continental scale validation of the surface reflectance data from Landsat-8 and Sentinel-2 satellites, using field-based measurements that are near-synchronous to the satellite observations over multiple sites across Australia is presented. Good practice measurement protocols governing the acquisition of field data, including field instrument calibration, sampling strategy and approach for post-collection processing and management of field spectral data are outlined.\nThis study has been a nationally coordinated, collaborative field data collection campaign across Australia. Permanent field sites, to support validation efforts within the broader Earth Observation (EO) community for continental scale products were also identified. The approach is expected to serve as a model for coordinated ongoing validation of ARD products at continental to global scales.\nPresented at the 2019 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)", "num_resources": 2, "num_tags": 6, "organization": {"id": "91f054ec-d0c3-4d42-a89a-5daa2c7a6818", "name": "geoscience-australia-data", "title": "Geoscience Australia Data", "type": "organization", "description": "Harvester for Geoscience Australia Data", "image_url": "", "created": "2025-06-23T12:29:08.024111", "is_organization": true, "approval_status": "approved", "state": "active"}, "original_harvest_source": {"site_url": "https://ecat.ga.gov.au", "href": "https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/continental-scale-validation-of-analysis-ready-data-in-australia-experience-with-satellite-deri", "title": "Geoscience Australia"}, "owner_org": "91f054ec-d0c3-4d42-a89a-5daa2c7a6818", "private": false, "promotion_level": "0", "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[112.92, -54.75], [159.11, -54.75], [159.11, -9.2402], [112.92, -9.2402], [112.92, -54.75]]]}", "spatial_coverage": "{\"type\": \"Polygon\", \"coordinates\": [[[112.92, -54.75], [159.11, -54.75], [159.11, -9.2402], [112.92, -9.2402], [112.92, -54.75]]]}", "state": "active", "temporal_coverage_from": "2019-04-08 01:55:29", "title": "Continental scale validation of analysis ready data in Australia: experience with satellite derived surface reflectance", "type": "dataset", "unpublished": false, "url": null, "version": null, "extras": [{"key": "harvest_object_id", "value": "5df052d8-bbb7-4e7a-aba2-9b64106be699"}, {"key": "harvest_source_id", "value": "00080910-39e7-408f-882c-e6e1eb6baadb"}, {"key": "harvest_source_title", "value": "Geoscience Australia"}], "resources": [{"cache_last_updated": null, "cache_url": null, "created": "2025-10-16T14:38:28.574279", "datastore_active": false, "datastore_contains_all_records_of_source_file": false, "description": "Link to Conference Proceedings", "format": "HTML", "hash": "", "id": "5eac4aee-6c65-41d0-80f3-fbd60f31ec3f", "last_modified": null, "metadata_modified": "2025-10-16T14:38:28.564301", "mimetype": null, "mimetype_inner": null, "name": "Link to Conference Proceedings", "package_id": "35a5b146-bdbf-480f-b1fb-9fa0c4475167", "position": 0, "resource_locator_function": "", "resource_locator_protocol": "WWW:LINK-1.0-http--link", "resource_type": null, "size": null, "state": "active", "url": "https://ieeexplore.ieee.org/xpl/conhome/8891871/proceeding", "url_type": null, "zip_extract": false}, {"cache_last_updated": null, "cache_url": null, "created": "2025-10-16T14:38:28.574283", "datastore_active": false, "datastore_contains_all_records_of_source_file": false, "description": "Link to Abstract", "format": "HTML", "hash": "", "id": "e4e17d55-f4d9-4e00-9f5f-deea53b60dba", "last_modified": null, "metadata_modified": "2025-10-16T14:38:28.564466", "mimetype": null, "mimetype_inner": null, "name": "Link to Abstract", "package_id": "35a5b146-bdbf-480f-b1fb-9fa0c4475167", "position": 1, "resource_locator_function": "", "resource_locator_protocol": "WWW:LINK-1.0-http--link", "resource_type": null, "size": null, "state": "active", "url": "https://doi.org/10.1109/IGARSS.2019.8897814", "url_type": null, "zip_extract": false}], "tags": [{"display_name": "Digital Earth Australia - DEA", "id": "77907c84-d4f0-4c24-abd9-05932b84ee3f", "name": "Digital Earth Australia - DEA", "state": "active", "vocabulary_id": null}, {"display_name": "EARTH SCIENCES", "id": "927af2a7-7457-45c2-bd55-10000fd09c14", "name": "EARTH SCIENCES", "state": "active", "vocabulary_id": null}, {"display_name": "Published_External", "id": "5178775c-8044-4b7f-881f-5428a4e2d925", "name": "Published_External", "state": "active", "vocabulary_id": null}, {"display_name": "analysis ready data - ARD", "id": "5a3d96ba-9c7b-4fbe-bbcf-a3380aba5efd", "name": "analysis ready data - ARD", "state": "active", "vocabulary_id": null}, {"display_name": "surface reflectance - SR", "id": "c43f5b00-eb87-46f4-8cdc-df811a20d019", "name": "surface reflectance - SR", "state": "active", "vocabulary_id": null}, {"display_name": "validation", "id": "034c1bf8-af14-4884-8bf1-e228200071d5", "name": "validation", "state": "active", "vocabulary_id": null}], "groups": [], "relationships_as_subject": [], "relationships_as_object": []}}