Weather radars' role in biodiversity monitoring

Weather radars' role in biodiversity monitoring
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天气雷达在生物多样性监测中的作用

DOI:
10.1126/science.abi4680
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发表时间:
2021
期刊:
影响因子:
56.9
通讯作者:
Liechti, Felix
Liechti, Felix
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Shamoun-Baranes, Judy;Bauer, Silke;Chapman, Jason W.;Desmet, Peter;Dokter, Adriaan M.;Farnsworth, Andrew;Haest, Birgen;Koistinen, Jarmo;Kranstauber, Bart;Liechti, Felix

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On 7 February, a glaciated ridge of Ronti mountain in the western Himalaya failed at 5600 m above sea level, causing a rockslide that induced a debris flow and flooding in the tributaries of the river Ganga (1). The events destroyed two hydroelectric projects and claimed more than 100 lives. Himalayan countries urgently need a robust early warning mechanism for rockslides and triggered flow cascades such as debris flow and flash floods. These flows move at up to tens of meters per second. In contrast, the elastic waves they generate have speeds of a few kilometers per second [(2), p. 59], arriving quickly at different seismic stations and potentially providing advance notice of disasters. A dense seismological network could be the key to a successful early warning system.Satellites are conventionally used to detect rockslides and cascading events, but the time gaps between satellite data acquisitions limit their utility for real-time monitoring [eg,(3)]. Seismic stations can record several data samples per second [(2), p. 385], but the use of seismic data for this purpose strongly depends on the availability and proximity of a dense seismic
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