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4,248
Seismic and acoustic observations at Mount Erebus Volcano,
, 1999
"... Volcanic activity at Mount Erebus is dominated by eruptive activity within a phonolitic summit lava lake. Common eruption styles range from passive degassing to Strombolian explosions, which typically occur several times daily, and occasionally in swarms of up to 900 per day. Shallow explosions, alt ..."
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, although generally the result of steady exsolution of volatiles from depth, can be triggered by surficial input of H2O through mass wasting of rock, snow and ice from the crater walls. Broadband observations of Strombolian explosions document very-long-period (VLP) signals with strong spectral peaks near
ACOUSTICAL OBSERVATION OF INTERNAL WAVES ON THE SHELF OF THE BLACK SEA
"... studies on a fixed experimental path in the Black Sea, near the Golubaya Bay. Sound signal with linear frequency modulation were used in the experiment. The processing of the experimental records consisted in computing the envelope of the correlation function of the received and transmitted signals ..."
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and the time dependence of the correlation maxima. A characteristic change in arrival times of the rays is observed for the period of the income of cold near-bottom waters on the path. The quasi-harmonic variation in the arrival times of the ray groups allows one to correctly define the parameters of short
Acoustic Observation of Living Organisms Reveals the Upper Limit of the Oxygen Minimum Zone
, 2010
"... Background: Oxygen minimum zones (OMZs) are expanding in the World Ocean as a result of climate change and direct anthropogenic influence. OMZ expansion greatly affects biogeochemical processes and marine life, especially by constraining the vertical habitat of most marine organisms. Currently, moni ..."
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Cited by 8 (1 self)
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, monitoring the variability of the upper limit of the OMZs relies on time intensive sampling protocols, causing poor spatial resolution. Methodology/Principal Findings: Using routine underwater acoustic observations of the vertical distribution of marine organisms, we propose a new method that allows
Some acoustic observations on the distinction of place of articulation for voiceless nasals
- in Burmese”, Studia Phonologica XX
, 1986
"... Burmese has voiced-voiceless contrast of nasal sounds. The opposition between voiced and voiceless nasals stands in parallel with the one between aspirated and unaspirated consonants in regard to some grammatical function. The verb with a voiceless nasal initial is the "transitive, " " ..."
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Cited by 7 (0 self)
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; "active " or "causative " correlate of the verb with an ordinary voiced nasal initial. The present study describes the acoustic nature of voiceless nasals in Burmese based on the analysis of waveforms by a mini-computer using a linear prediction algorithm (LPC
Effects of changing spatial scale on acoustic observations of patchiness in the Gulf Stream
, 1992
"... We examine the influence of spatial scale on studies of nektonic patchiness at the north edge of the Gulf Stream by altering the grain size of acoustic cross sections and applying a patch-finding algorithm. From original `pictures' of pixels deep by 540-1260pixels long, we averaged depth and le ..."
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Cited by 3 (0 self)
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We examine the influence of spatial scale on studies of nektonic patchiness at the north edge of the Gulf Stream by altering the grain size of acoustic cross sections and applying a patch-finding algorithm. From original `pictures' of pixels deep by 540-1260pixels long, we averaged depth
P1.6 RADAR AND ACOUSTIC OBSERVATIONS DURING VTMX FIELD-CAMPAIGN
, 2000
"... ticipated in the first VTMX field campaign with the deployment of two radars and a sodar. This paper presents a overview of night-time stable boundary layer observations made during this campaign. Radar-detectable activity consists mainly of sporadic brief episodes of turbulence, typically confined ..."
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ticipated in the first VTMX field campaign with the deployment of two radars and a sodar. This paper presents a overview of night-time stable boundary layer observations made during this campaign. Radar-detectable activity consists mainly of sporadic brief episodes of turbulence, typically confined
ACOUSTIC OBSERVATIONS OF FINE SEDIMENT DISPERSAL AND DEPOSITION DURING DREDGED SEDIMENT RELEASE IN THE
"... deployed to concurrently observe the concentrated suspension dispersal provided by dredged material in the Changjiang Estuary. Field measurements were conducted at the flood, moderate and neap tides in June 2002, respectively. Results show: (a) Vertical profiles of suspended sediment concentration a ..."
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deployed to concurrently observe the concentrated suspension dispersal provided by dredged material in the Changjiang Estuary. Field measurements were conducted at the flood, moderate and neap tides in June 2002, respectively. Results show: (a) Vertical profiles of suspended sediment concentration
Results 1 - 10
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4,248
