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  Ambient noise characterization in the Eastern Dharwar Craton, southern India: Analysis of broadband seismic stations in Hyderabad network

Saha, S., Biswas, R., Mandal, P., Vengala, P. K., Dixith, M. S., Prasad, B. N. (2023): Ambient noise characterization in the Eastern Dharwar Craton, southern India: Analysis of broadband seismic stations in Hyderabad network, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4884

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021286 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021286_1
Genre: Conference Paper

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 Creators:
Saha, Satish1, Author
Biswas, Rahul1, Author
Mandal, Prantik1, Author
Vengala, Pavan Kumar1, Author
Dixith, M. Sai1, Author
Prasad, B. Nagavara1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: The ambient noise analysis has been performed at ten newly installed broadband seismic stations of the Eastern Dharwar Craton in Telangana, India. We have calculated the power spectral densities (PSDs) and their corresponding probability density functions (PDFs) using different types of noise to assess the seismic station's performance. One year of continuous data from January 2021 to December 2021 was used for the analysis. The results suggest that all station's observed vertical noise levels are within the defined global noise limits. In the short-period band, the stations are dominated by cultural noise due to human activities, industrial machinery, automobile traffic, etc., which also causes a substantial variation between day and night hours. The vertical component lies above the new low-noise model (NLNM) at the long-period band. Due to the tilt effect, the horizontal components marginally overshoot the new high-noise model (NHNM). An assessment of the noise variation was also performed during the partial lockdown due to COVID-19 in 2021 imposed by the Telangana state Government in India, revealing minor variations in short-period noise levels. Overall, our estimation suggests stability and validates the performance of all the installed stations of the Eastern Dharwar Craton in Telangana state.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-4884
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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