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How mobile phone towers could help monitor rainfall in developing countries

手机信号塔如何帮助发展中国家监测降水量

关键词:
来源:
The conversation
全文链接1:
http://agri.ckcest.cn/topic/downloadFile/5d95fb6a-5592-469e-b7da-b7f3d0191876
全文链接2:
https://theconversation.com/how-mobile-phone-towers-could-help-monitor-rainfall-in-developing-countries-133358
类型:
前沿资讯
语种:
英语
原文发布日期:
2020-04-21
摘要:
Many developing economies suffer from a lack of reliable rainfall measurements due to a lack of funds and a shortage of equipment – such as gauges and radars. Even if countries are equipped with these monitoring instruments, they all have limitations. Rain gauges, meteorological instruments that collect falling water drops, only provide a very local observation. However, the intensity of rainfall can be completely different from one location to another, sometimes even if it's less than a few hundreds of metres away. Radars use radio waves to get precipitation estimates but they may not always be efficient. For example, their beams might get blocked in mountainous regions.
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