Using volunteered information to map the Queensland floods
Using volunteered information to map the Queensland floods
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发表时间：
2011-11
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通讯作者：
K. Mcdougall
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作者：
K. Mcdougall
昆士兰最近发生的洪水和热带气旋极大地影响了全州人民的生活。据报道，地震造成的损失已超过50亿美元，经济损失还在继续上升。尽管大部分洪水已经退去，但清理和重建工作仍将持续数年。昆士兰洪灾的特点是前所未有地使用社交媒体在事件发生时进行报道，主流媒体非常有效地利用了这一点。Twitter和Facebook等社交媒体网络不仅在事件发生时向人们通报了情况，而且现在还提供了历史档案，用于未来的规划和地图绘制。尽管联邦和州政府以及私营部门在尽可能绘制洪水事件的地图方面做了出色的工作，但仍然存在一些差距。本文讨论了如何使用自愿提供的地理信息，如照片和视频，来帮助绘制很少或根本没有可用地图的地区的洪水范围。通过将志愿信息与现有的地理信息、水文数据和当地知识相结合，可以重建洪水范围，从而绘制出洪水范围图。
The recent flood events and tropical cyclones in Queensland have dramatically impacted on people's lives across the State. Damage in excess of five billion dollars has been reported and the cost to the economy continues to rise. Although most of the flooding has receded, the clean-up and re-building will continue for years. The Queensland floods were characterised by the unprecedented use of social media to report events as they happened and was used very effectively by the main stream media. Social media networks such as Twitter and Facebook, not only informed people of the events as they unfolded, they have now also provided a historical archive for use in future planning and mapping. Although the Commonwealth and State governments and the private sector did a magnificent job in mapping the flood events where possible, a number of gaps still exist. This paper discusses the use of volunteered geographic information such as photographs and videos to assist in mapping the flood extents in regions where there was little or no mapping available. Through the integration of volunteered information with existing geographic information, hydrological data and local knowledge, flood extents can be re-constructed and hence mapped.