Natural Hazards
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The Australian Flood Studies Database is available on line by Geoscience Australia. The database provides metadata on Australian flood studies and information on flood risk with a digital version where available. The purpose of the document is to guide new users in data entry and uploading of flood studies to a level acceptable for inclusion in the database.
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The Australian Flood Studies Database is available on line by Geoscience Australia via the Australian Flood Risk Information Portal. The database provides metadata on Australian flood studies and information on flood risk with a digital version where available. The purpose of the document is to guide new users in data entry and uploading of flood studies to a level acceptable for inclusion in the database.
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These videos are recordings of online secondary teacher professional learning sessions, delivered by Geoscience Australia’s Education Team. “Can I Fall Down the Cracks?” Plate Tectonic Misconceptions Part 1 This session focused on common misconceptions that are encountered when teaching plate tectonics. The student misconceptions addressed are: 1. We can’t see the tectonic plates (starting at 5:35) 2. The mantle is made of liquid rock (starting at 11:25) 3. The plates move by convection in the mantle (starting at 17:35) 4. When plates collide one always goes under the other (starting at 22:15) 57 minutes total duration, with Q&A with an expert scientist starting at 34 minutes. “Can I Fall Down the Cracks?” Plate Tectonic Misconceptions Part 2 This session focused on common misconceptions that are encountered when teaching hazards associated with plate tectonics. The student misconceptions addressed are: 1. Earthquakes are measured using the Richter scale (starting at 3:15) 2. The magnitude of an earthquake depends on how far away it is (starting at 7:20) 3. Earthquakes can be predicted (starting at 10:52) This section includes a description of Raspberry Shake equipment: low cost earthquake monitoring for the classroom 4. There are no volcanoes in Australia (starting at 18:25) 5. You can surf a tsunami (starting at 24:17) 51 minutes total duration, with Q&A with an expert scientist starting at 37 minutes.
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This document describes a structure for exchanging information to assist discovery and retrieval/transfer of flood information, including GIS flood mapping data. The draft class model represents metadata, data and summary information that supports the goals of the National Flood Risk Information Project (NFRIP) to improve the quality, consistency and accessibility of flood information. This document describes the data model that will be used to create an application schema.
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A selection of images and short animations explaining key aspects of the 2004 Indian Ocean/ Sumatra tsunami, revised and issued for release to the media and other interested organisations on the tenth anniversary of the disaster. This selection updates existing resources previously released by Geoscience Australia.
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During the last five years, the Australian aid program has supported a series of successful capacity-building activities for natural disaster risk assessment within neighboring Southeast Asian countries. Although the modality of engagement between the agencies has varied in each country context, the successes have been uniformly underpinned by strong, long-term bilateral government-to-government (G2G) relationships between Geoscience Australia (GA) and partner technical agencies.
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Hot emissions of mainly sulphur dioxide and carbon dioxide took place from a mound in Koranga open cut, near Wau, following a landslide at the end of May, 1967. Rocks of the Holocene volcano, Koranga, are exposed in the open cut. The emissions lasted about three months, and ceased on 13 August after another landslide removed the active mound. During the period of activity, recorded temperatures ranged up to 680°C; no anomalous seismic or tilt phenomena were recorded. The cause of the activity is not known, but it is thought that the high temperatures and gases may have been the result of the spontaneous combustion of reactive sulphides and carbonaceous material present in the altered rocks of Koranga volcano.
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In response to the catastrophic flooding in south east Queensland in early 2011 that caused between AUS$5-6 billion damage, the Australian Government initiated the National Disaster Review; an independent review into the insurance arrangements for individuals and businesses for damages and losses due to flood and other natural disasters. The review emphasised that consumers need to be aware of the risks they face, and highlighted the lack of consistency in the collection and provision of flood risk information. In response the Australian Government committed AUS$12 m over 4 years to the National Flood Risk Information Project (NFRIP). NFRIP was established to improve the quality, availability of accessibility of flood information across Australia and commenced in July 2012 with Geoscience Australia as the technical lead and Attorney Generals department taking the policy lead. The project comprises three core activities. 1) Development of the Australia Flood Risk Information Portal (AFRIP; www.ga.gov.au/afrip ), an online flood information portal that provides free access to authoritative flood study information and associated mapping from a central location. Centralising this information will make it easy for the public, engineering consultants, insurers, researchers and emergency managers to find out what flood information and mapping exists and where, and to better understand their risk. 2) Analysis of Geoscience Australia's historic archive of satellite imagery from 1987 to the present to provide an indication of how often surface water has been observed anywhere in Australia over the period of the archive. These Water Observations from Space (WOfS; www.ga.gov.au/wofs ) provide baseline information that can be used when no other flood information is available and an understanding of where surface water may impact assets and utility infrastructure. 3) Improving the quality of future flood information by completing the revision of the Australian Rainfall and Runoff guidelines (ARR; www.arr.org.au ). ARR is a series of national guidelines, methodologies and datasets fundamental for flood modelling that was updated in 1987 and modified 1997. The revised guidelines will provide flood professionals with information and data necessary to produce more accurate and consistent flood studies and mapping into the future. This presentation will provide a brief summary of the NFRIP objectives and progress to date, discuss some of the problems encountered in sourcing and making natural hazard and risk information public, and reflect on the broader challenges in the communication of risk to the wider community.
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A multihazard (volcano, earthquake, tsunami) assessment for East New Britain Province, Papua New Guinea.
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Modelling tropical cyclone Yasi using TCRM