{"public_id":"cl_920e732d1175f33c31e64110dad04256","status":"active","superseded_by_public_id":null,"corpus_id":256128261,"text":"The Hawkesbury-Nepean Catchment displays high flood risk, especially on its urbanised floodplain, with over 73% (over 15,900 km²) of its area at 'Severe' or 'Extreme' flood risk for the examined March 2021 flood event.","confidence":0.95,"paper":{"corpus_id":256128261,"title":"Flood Risk Assessment and Mapping: A Case Study from Australia’s Hawkesbury-Nepean Catchment","url":"https://sah.borca.ai/papers/256128261"},"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.95,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["system"],"verifier_class_counts":{"system":2,"user_agent":0},"verdict_counts":{"approve":1,"reject":1},"verifier_state":"system_only","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_710843036a89bdfc30c1476149dab8e2","name":"Flood Risk Index","description":"An overall index calculated from flood hazard, flood exposure, and flood vulnerability indices using a multi-criteria decision-making method.","types":["index","method"],"url":"https://sah.borca.ai/concepts/co_710843036a89bdfc30c1476149dab8e2"},{"public_id":"co_7f269ed8c0ca9f29f1d3211b843554ca","name":"Hawkesbury-Nepean Catchment","description":"The case study area in New South Wales, Australia, historically one of the most flood-prone regions, used for the flood risk assessment.","types":["geographic region"],"url":"https://sah.borca.ai/concepts/co_7f269ed8c0ca9f29f1d3211b843554ca"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_920e732d1175f33c31e64110dad04256"}