Search Results - "ZUMBERGE, Mark A"

A Self-Calibrating Pressure Recorder for Detecting Seafloor Height Change by Sasagawa, Glenn, Zumberge, Mark A.

“…One method to detect vertical crustal deformation of the seafloor, where Global Positioning System (GPS) surveys are not possible, is to monitor changes in the…”
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Results From a Decade of Optical Fiber Strainmeters at Piñon Flat Observatory by Hatfield, William, Elliott, Don, Wyatt, Frank K., Xie, Surui, Zumberge, Mark A.

“…Optical fibers, stretched between anchors attached to the Earth and buried in boreholes and shallow trenches, offer an inexpensive and robust means to observe…”
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Laboratory Simulation and Measurement of Instrument Drift in Quartz-Resonant Pressure Gauges by Sasagawa, Glenn S., Zumberge, Mark A., Cook, Matthew J.

“…Seafloor pressure gauges are used in marine geodesy to detect vertical displacement of the seafloor. Instrumental gauge drift is often larger than the sought…”
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Optimizing Sensor Configurations for the Detection of Slow‐Slip Earthquakes in Seafloor Pressure Records, Using the Cascadia Subduction Zone as a Case Study by Fredrickson, Erik K., Wilcock, William S. D., Schmidt, David A., MacCready, Parker, Roland, Emily, Kurapov, Alexander L., Zumberge, Mark A., Sasagawa, Glenn S.

“…We present seafloor pressure records from the Cascadia Subduction Zone, alongside oceanographic and geophysical models, to evaluate the spatial uniformity of…”
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Vertical deformation monitoring at Axial Seamount since its 1998 eruption using deep-sea pressure sensors by Chadwick, William W., Nooner, Scott L., Zumberge, Mark A., Embley, Robert W., Fox, Christopher G.

“…Pressure measurements made on the seafloor at depths between 1500 and 1700 m at Axial Seamount, an active submarine volcano on the Juan de Fuca Ridge in the…”
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Evaluation of infrasound signals from the shuttle Atlantis using a large seismic network by de Groot-Hedlin, Catherine D., Hedlin, Michael A. H., Walker, Kristoffer T., Drob, Douglas P., Zumberge, Mark A.

“…Inclement weather in Florida forced the space shuttle "Atlantis" to land at Edwards Air Force Base in southern California on June 22, 2007, passing near three…”
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Measuring Seafloor Strain With an Optical Fiber Interferometer by Zumberge, Mark A., Hatfield, William, Wyatt, Frank K.

“…We monitored the length of an optical fiber cable stretched between two seafloor anchors separated by 200 m at a depth of 1900 m, 90 km west of Newport, OR,…”
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Drift Corrected Seafloor Pressure Observations of Vertical Deformation at Axial Seamount 2018–2021 by Sasagawa, Glenn S., Zumberge, Mark A., Cook, Matthew J.

“…Axial Seamount is a seafloor volcano with frequent eruptions and periodic cycles of inflation and deflation. Seafloor pressure gauges monitor vertical…”
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Offshore Sea Levels Measured With an Anchored Spar‐Buoy System Using GPS Interferometric Reflectometry by Xie, Surui, Chen, Jing, Dixon, Timothy H., Weisberg, Robert H., Zumberge, Mark A.

“…Conventional tide gauges are usually housed along the coast. Satellite altimetry works well in the open ocean but poorly near the coast due to signal…”
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Efficacy of spatial averaging of infrasonic pressure in varying wind speeds by DeWolf, Scott, Walker, Kristoffer T, Zumberge, Mark A, Denis, Stephane

“…Wind noise reduction (WNR) is important in the measurement of infrasound. Spatial averaging theory led to the development of rosette pipe arrays. The efficacy…”
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Calibrated Absolute Seafloor Pressure Measurements for Geodesy in Cascadia by Cook, Matthew J., Fredrickson, Erik K., Roland, Emily C., Sasagawa, Glenn S., Schmidt, David A., Wilcock, William S. D., Zumberge, Mark A.

“…The boundary between the overriding and subducting plates is locked along some portions of the Cascadia subduction zone. The extent and location of locking…”
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Novel Integration of Geodetic and Geologic Methods for High‐Resolution Monitoring of Subsidence in the Mississippi Delta by Zumberge, Mark A., Xie, Surui, Wyatt, Frank K., Steckler, Michael S., Li, Guandong, Hatfield, William, Elliott, Donald, Dixon, Timothy H., Bridgeman, Jonathan G., Chamberlain, Elizabeth L., Allison, Mead, Törnqvist, Torbjörn E.

“…Land‐surface subsidence is a major contributor to land loss in many river deltas. New approaches yielding high‐resolution data are needed to parse the relevant…”
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Constraints on the in situ density of CO2 within the Utsira formation from time-lapse seafloor gravity measurements by Nooner, Scott L., Eiken, Ola, Hermanrud, Christian, Sasagawa, Glenn S., Stenvold, Torkjell, Zumberge, Mark A.

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Methods for determining infrasound phase velocity direction with an array of line sensors by Walker, Kristoffer T., Zumberge, Mark A., Hedlin, Michael A. H., Shearer, Peter M.

“…Infrasound arrays typically consist of several microbarometers separated by distances that provide predictable signal time separations, forming the basis for…”
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An optical fiber infrasound sensor: a new lower limit on atmospheric pressure noise between 1 and 10 Hz by Zumberge, Mark A, Berger, Jonathan, Hedlin, Michael A H, Husmann, Eric, Nooner, Scott, Hilt, Richard, Widmer-Schnidrig, Rudolf

“…A new distributed sensor for detecting pressure variations caused by distant sources has been developed. The instrument reduces noise due to air turbulence in…”
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Structure of oceanic core complexes: Constraints from seafloor gravity measurements made at the Atlantis Massif by Nooner, Scott L., Sasagawa, Glenn S., Blackman, Donna K., Zumberge, Mark A.

“…Using the DSV Alvin, the relative seafloor gravimeter ROVDOG was deployed at 18 sites on the Atlantis Massif (located at the ridge‐transform intersection of…”
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Recording Earth Strain With Optical Fibers by Blum, J.A., Nooner, S.L., Zumberge, M.A.

“…Optical fibers are well suited to measure Earth strain because they can be stretched over long distances to average strain over a large interval. This is…”
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Study of Infrasound Propagation from the Shuttle Atlantis using a large Seismic Network by Hedlin, Michael A., Degroot-Hedlin, Catherine D., Walker, Kris, Drob, Douglas, Zumberge, Mark A.

“…Inclement weather in Florida forced the shuttle Atlantis to land at Edwards Air Force base in southern California on June 22, 2007, passing near three…”
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Constraints on the in situ Density of CO sub(2) Within the Utsira Formation from Time-Lapse Seafloor Gravity Measurements by Nooner, Scott L, Eiken, Ola, Hermanrud, Christian, Sasagawa, Glenn S, Stenvold, Torkjell, Zumberge, Mark A

“…Various issues related to the constraints on the in situ density of CO sub(2) within the Utsira formation from time-lapse seafloor gravity measurements are…”
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An optical fiber infrasound sensor by Zumberge, Mark A., Berger, Jonathan, Hedlin, Michael A. H.

“…A new sensor for detecting infrasonic signals from distant sources has been designed, tested, and deployed. The instrument consists of a long (of order 100 m),…”
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