dc.contributor.author | Reddy, T.R. | |
dc.contributor.author | Dewangan, P. | |
dc.contributor.author | Arya, L. | |
dc.contributor.author | Singha, P. | |
dc.contributor.author | KameshRaju, K.A. | |
dc.date.accessioned | 2020-03-31 | |
dc.date.accessioned | 2021-02-09T10:13:22Z | |
dc.date.available | 2020-01-03 | |
dc.date.available | 2021-02-09T10:13:22Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Seismological Research Letters, vol.91(2A); 2020; 803-813 | |
dc.identifier.issn | 0895-0695 | |
dc.identifier.other | https://pubs.geoscienceworld.org/ssa/srl/article-abstract/doi/10.1785/0220190080/580482/ | |
dc.identifier.uri | https://doi.org/10.1785/0220190080 | |
dc.identifier.uri | http://drs.nio.org/drs/handle/2264/8545 | |
dc.description | IF2018 - 3.888 | |
dc.description.abstract | We observed a harmonic noise (HN) in DEPAS ocean-bottom seismometers (OBSs) data recorded from the Andaman-Nicobar region. The HN is characterized by sharp spectral peaks with a fundamental frequency and several overtones occurring at integer multiples of the fundamental frequency. We used an automated algorithm to quantify the occurrence of HN for the entire four-month deployment period (1 January 2014 to 30 April 2014). The algorithm detected more than 23 days of HN for some OBS stations. The spectral analysis of the hourly count of HN shows distinct lunar and solar tidal periodicities at 4.14, 6.1, 6.22, 12, and 12.4 hr as well as 13.66 days. The observed periodicities provide evidence of tidal triggering of HN. The HN is generated by the strumming of head buoys due to seafloor currents initiated by oceanic tides in the Andaman-Nicobar region. | |
dc.language | en | |
dc.publisher | Seismological Society of America (SSA) | |
dc.relation.ispartof | Seismol Res Lett | |
dc.relation.isreferencedby | SCI | |
dc.rights | Only the author version of the copright reserved papers uploaded. Contact drs@nio.org for any complaints regarding copyright violations | |
dc.title | Tidal Triggering of the Harmonic Noise in Ocean-Bottom Seismometers | |
dc.type | Journal Article | |
dc.affiliation.author | CSIR-National Institute of Oceanography, Dona Paula, Goa, India | |