Seismic Attenuation in Ocean Crustal Layer 3 Hydrophone Instruments
Seismic Attenuation in Ocean Crustal Layer 3 Hydrophone Instruments
批准号:
8922762
负责人:
Ralph Stephen
金额:
$5.59万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1990
资助国家:
美国
项目状态:
已结题
起止时间:
1990-03-01 至 1992-02-29
中文摘要
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英文摘要
This project will make the first direct measurement of apparent attenuation (inverse Q) on lower ocean crust and it will determine Q for specific lithologies and structural features under in situ conditions. The PI's will apply the spectral ratio technique to spectra computed on down-going waves separated from seismograms recorded during a vertical seismic profile made at Ocean Drilling Program Site 735. The apparent attenuation results can be used directly in synthetic seismograms modeling of marine reflection and refraction data allowing more realistic representation of arrival amplitudes, which are critical in evaluating the details of crustal structure.
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Collaborative Research: Dynamic Response of the Ross Ice Shelf to Wave-induced Vibrations
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批准号:1246416
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项目类别:Continuing Grant
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资助金额:$31.66万
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财政年份:2014
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负责人:Ralph Stephen
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依托单位:
Three-Dimensional Modeling of Seafloor Geo-Acoustic Interaction
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批准号:1260094
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项目类别:Standard Grant
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资助金额:$19.09万
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财政年份:2013
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负责人:Ralph Stephen
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依托单位:
Compliance in Laterally Varying Lithosphere: Axial Magma Chambers
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批准号:0424633
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项目类别:Continuing Grant
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资助金额:$42.83万
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财政年份:2004
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负责人:Ralph Stephen
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依托单位:
SGER - Seismometers on CORKS: Design Plans
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批准号:0450318
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2004
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负责人:Ralph Stephen
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依托单位:
Workshop on Seismo-Acoustics Applications in Marine Geology and Geophysics
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批准号:0332816
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项目类别:Standard Grant
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资助金额:$5.39万
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财政年份:2003
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负责人:Ralph Stephen
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依托单位:
Collaborative Research: Time Dependence of Broadband Ambient Seismic Noise on the Ocean Floor
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批准号:9819539
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项目类别:Standard Grant
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资助金额:$8.0万
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财政年份:1999
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负责人:Ralph Stephen
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依托单位:
Ninety-East Ridge Oblique Seismic Experiment (NOSE)
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批准号:9730588
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项目类别:Standard Grant
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资助金额:$25.73万
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财政年份:1998
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负责人:Ralph Stephen
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依托单位:
Seismic-While-Drilling for the Ocean Drilling Project
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批准号:9712464
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项目类别:Standard Grant
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资助金额:$16.53万
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财政年份:1997
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负责人:Ralph Stephen
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依托单位:
A Broadband Borehole Seismometer for the Deep Ocean (WHOI Component)
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批准号:9505730
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项目类别:Standard Grant
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资助金额:$3.5万
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财政年份:1995
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负责人:Ralph Stephen
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依托单位:
Collaborative Research: Broadband Seismic Measurements on the Deep Ocean Floor: A Pilot Experiment
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批准号:9522114
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项目类别:Continuing Grant
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资助金额:$87.63万
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财政年份:1995
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负责人:Ralph Stephen
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依托单位:
Characterization of Gas Hydrate Physical Properties with a Walkaway Vertical Seismic Profile on ODP Leg 163
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批准号:9504610
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项目类别:Standard Grant
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资助金额:$15.95万
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财政年份:1995
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负责人:Ralph Stephen
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依托单位:
Seismic Attenuation in Ocean Crust
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批准号:9313794
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项目类别:Standard Grant
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资助金额:$9.03万
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财政年份:1993
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负责人:Ralph Stephen
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依托单位:
A Broadband Borehole Seismometer for the Deep Ocean - Development and Land Testing (WHOI Component)
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批准号:9118943
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项目类别:Continuing Grant
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资助金额:$74.5万
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财政年份:1992
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负责人:Ralph Stephen
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依托单位:
The Three-Dimensional Structure and Anisotropy of Ocean Crust at DSDP Site 418
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批准号:8701132
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项目类别:Standard Grant
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资助金额:$11.57万
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财政年份:1987
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负责人:Ralph Stephen
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依托单位:
Borehole Seismic Experiments at the DSDP Sites 417 and 603
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批准号:8416633
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项目类别:Standard Grant
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资助金额:$32.49万
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财政年份:1985
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负责人:Ralph Stephen
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依托单位:
Analysis of Borehole Seismic Data and the Structure of Oceanic Crust
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批准号:8409155
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项目类别:Standard Grant
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资助金额:$14.4万
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财政年份:1984
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负责人:Ralph Stephen
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依托单位:
Borehole Seismic Experiment in the Costa Rica Rift Area
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批准号:8117571
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项目类别:Continuing Grant
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资助金额:$38.12万
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财政年份:1981
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负责人:Ralph Stephen
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依托单位:
Downhole Oblique Seismic Experiments: Galapagos, Gulf of California, and North Atlantic
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批准号:7909351
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项目类别:Standard Grant
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资助金额:$10.87万
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财政年份:1979
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负责人:Ralph Stephen
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依托单位:
海外基金