Results 31 to 40 of about 19,474 (278)

OSG-057 Superconducting Gravimeter Noise Levels in Lhasa (China)

Terrestrial, Atmospheric and Oceanic Sciences, 2016
This research tests OSG-057 superconducting gravimeter (SG) performance in Lhasa in terms of noise levels in the seismic (2 min to 1 h), sub-seismic (1 to 6 h), and tidal (above 6 h) bands. Based on the Seismic Noise Magnitude (SNM) and Sub-Seismic Noise
Miaomiao Zhang, Jianqiao Xu, Heping Sun, Xiaodong Chen, Jiangcun Zhou   +4 more
doaj   +1 more source

Seismic and Newtonian Noise in the GW Detectors

Galaxies, 2022
Gravitational wave detectors aim to measure relative length variations of the order of ΔL/L≃10−21, or less. Thus, any mechanism that is able to reproduce such a tiny variation can, in principle, threaten the sensitivity of these instruments, representing
Lucia Trozzo, Francesca Badaracco
doaj   +1 more source

Near‐surface seismic properties for elastic wavefield decomposition: Estimates based on multicomponent land and seabed recordings [PDF]

, 2003
Accurate knowledge of the seismic material properties in the immediate vicinity of the receivers represents a prerequisite for elastic wavefield decomposition.
Holliger, K., Curtis, A.; id_orcid, Muijs, R., Robertsson, J. O. A.   +3 more
core   +1 more source

The North East Italy (NI) broadband seismic network run by OGS: experience in improving the long period performances [PDF]

, 2009
The NI broadband seismic network is designed to monitor regional seismic activity of North East Italy and surroundings as well as to provide high quality data for various research projects in regional and global broadband seismology, like moment tensor
Pesaresi, D., CRS seismic team
core   +2 more sources

Seismic noise between 0.003 Hz and 1.0 Hz and its classification

Progress in Earth and Planetary Science, 2023
It is now established that the primary microseism, the secondary microseisms, and the hum are the three main components of seismic noise in the frequency band from about 0.003 Hz to 1.0 Hz. Monthly averages of seismic noise are dominated by these signals
Toshiro Tanimoto, Aaron Anderson
doaj   +1 more source

Properties of seismic noise at the Virgo site

Classical and Quantum Gravity, 2004
We present the results of a study of the major low-frequency sources of seismic activity at the Virgo site. These sources are of natural and human origin: oceanic microseism (below 1 Hz), local traffic and human activity on site (below 10 Hz). Using data collected during the commissioning of the central Virgo interferometer (CITF) we have measured the ...
F. ACERNESE, P. AMICO, M. ALSHOURBAGY, F. ANTONUCCI, S. AOUDIA, P. ASTONE, S. AVINO, D. BABUSCI, G. BALLARDIN, F. BARONE, L. BARSOTTI, M. BARSUGLIA, F. BEAUVILLE, S. BIGOTTA, S. BIRINDELLI, M. A. BIZOUARD, C. BOCCARA, F. BONDU, L. BOSI, C. BRADASCHIA, S. BRACCINI, A. BRILLET, V. BRISSON, D. BUSKULIC, E. CALLONI, E. CAMPAGNA, F. CARBOGNANI, F. CAVALIER, R. CAVALIERI, G. CELLA, E. CESARINI, E. CHASSANDE MOTTIN, N. CHRISTENSEN, C. CORDA, A. CORSI, F. COTTONE, A. C. CLAPSON, F. CLEVA, J. P. COULON, E. CUOCO, A. DARI, V. DATTILO, M. DAVIER, M. DEL PRETE, R. DE ROSA, L. DI FIORE, A. DI VIRGILIO, B. DUJARDIN, A. ELEUTERI, I. FERRANTE, F. FIDECARO, I. FIORI, R. FLAMINIO, J. D. FOURNIER, FRASCA, Sergio, F. FRASCONI, L. GAMMAITONI, F. GARUFI, E. GENIN, A. GENNAI, A. GIAZOTTO, G. GIORDANO, L. GIORDANO, R. GOUATY, D. GROSJEAN, G. GUIDI, S. HEBRI, H. HEITMANN, P. HELLO, S. KARKAR, S. KRECKELBERGH, P. LA PENNA, M. LAVAL, N. LEROY, N. LETENDRE, B. LOPEZ, M. LORENZINI, V. LORIETTE, G. LOSURDO, J. M. MACKOWSKI, E. MAJORANA, C. N. MAN, M. MANTOVANI, F. MARCHESONI, F. MARION, J. MARQUE, F. MARTELLI, A. MASSEROT, M. MAZZONI, L. MILANO, F. MENZINGER, C. MOINS, J. MOREAU, N. MORGADO, B. MOURS, F. NOCERA, C. PALOMBA, F. PAOLETTI, S. PARDI, A. PASQUALETTI, R. PASSAQUIETI, D. PASSUELLO, F. PIERGIOVANNI, L. PINARD, R. POGGIANI, M. PUNTURO, P. PUPPO, K. QIPIANI, RAPAGNANI, Piero, V. REITA, A. REMILLIEUX, RICCI, Fulvio, I. RICCIARDI, P. RUGGI, G. RUSSO, S. SOLIMENO, A. SPALLICCI, M. TARALLO, M. TONELLI, A. TONCELLI, E. TOURNEFIER, F. TRAVASSO, C. TREMOLA, GABRIELE VAJENTE, D. VERKINDT, F. VETRANO, A. VICERE, J. Y. VINET, H. VOCCA, M. YVERT   +129 more
openaire   +6 more sources

Seismic Noise Recorded by Telecommunication Fiber Optics Reveals the Impact of COVID-19 Measures on Human Activity

The Seismic Record, 2021
Quantifying the response of human activity to different COVID-19 measures may serve as a potential way to evaluate the effectiveness of the measures and optimize them.
Junzhu Shen, Tieyuan Zhu
doaj   +1 more source

Separation of Body and Surface Wave Background Noise and Passive Seismic Interferometry Based on Synchrosqueezed Continuous Wavelet Transform

Applied Sciences
Passive seismic interferometry is a technique that reconstructs virtual seismic records using ambient noise, such as random noise or microseisms. The ambient noise in passive seismic data contains rich information, with surface waves being useful for the
Xiaolong Li, Fengjiao Zhang, Zhuo Xu, Xiangbo Gong   +3 more
doaj   +1 more source

Ambient seismic noise in Cuba: analysis of broadband seismic stations in the Cuban Seismic Network

Dyna, 2022
This paper analyses seismic noise from broadband seismic stations within the Cuban National Seismic Service, focusing on location sites, soil or rock quality at installation sites and the impact of various factors on the noise signature of these seismic
Viana Poveda Brossard, Eduardo Rafael Diez Zaldivar   +1 more
doaj   +1 more source

Influence of the seismic noise characteristics on noise correlations in the Baltic shield [PDF]

, 2007
International audienceIt has recently been shown that correlations of seismic noise can contain significant information about the Green's function along the station profile.
Krüger, F., Seismic Tomography Working Group, The Svekalapko, Pedersen, Helle A.   +2 more
core   +1 more source