AKA: none
Other ID: J-2-98-SF
Status: Completed
Organization(s):
Funding Program(s): High-resolution Source Calibration (MU136)
Principal Investigator(s): Jonathan Childs
Affiliate Investigator(s):
Information Specialist(s):
Data Type(s): Location-Elevation: Navigation, Seismics: Multichannel, Sonar: Single Beam, Seismics: Boomer, Seismics: Sub Bottom Profiler, Seismics: Sparker
Scientific Purpose/Goals: Develop calibration methods for high-frequency acoustic sources. Collect calibrated profiles over Oakland Bay Bridge East span boreholes. Collect 36-channel multi-offset data w/ high- frequency sources. Measure near-field source strength and attenuation as a function of range and azimuth. Field test data acquisition systems to be used on upcoming Gulf of Mexico program.
Vehicle(s):
Start Port/Location: Redwood City, CA
End Port/Location: Redwood City, CA
Start Date: 1998-04-05
End Date: 1998-04-10
Equipment Used: YoNav, 48channel, 200khz, Geopulse, uniboom, Seistecprofiler, minisparker
Information to be Derived:
Summary of Activity and Data Gathered:
Staff: Alan Cooper, Patrick Hart, Larry Kooker, Gordon Smith
Affiliate Staff:
Tom McGee (MMS) - Unspecified
Vaughn Goebel (Lookout Geophysical) - Unspecified
Craig Lippus (Geometrics) - Unspecified
Notes: J-2-98-SF System Calibration and Test Cruise 6-10 April, 1998 Monday, 4/6 Meet to discuss objectives for the week; finish mobilization at Yerba Buena Island; establish data acquisition signal strategy, including Lookout system; acquire Geopulse profiles with 3-element and short ITI streamers; calibrate (Corps of Engineers method) Geopulse system. Tuesday, 4/7 Acquire Seistec and minisparker profiles; calibrate Seistec and minisparker systems; test multichannel acquisition with Geopulse. Wednesday, 4/8 Exchange Uniboom and Geopulse sleds; acquire Uniboom profile with 3-element and short ITI streamers; calibrate Uniboom system; acquire multi-offset data with Uniboom source; test remote acquisition of Uniboom data with radio trigger. Thursday, 4/9 Measure radiation and attenuation of Uniboom and minisparker systems; return to Redwood City. Friday, 4/10 Test watergun from Redwood City pier; measure radiation and attenuation of watergun via remote acquisition; demobilize. Equipment notes: yonav dgps w/ shot control 2channel: mudseis 2-channel, 16-bit, 51.2 khz 48channel: geometrics 48-channel strataview w/ marine controller 4channel: lookout 4-channel,16-bit, 200 khz geopulse: geopulse source (single-plate), geopulse amplifier/filter uniboom: uniboom source (single plate) seistec: ikb seistec source minisparker: minisparker source, 1 kj power supply receiver: 3-element streamer; 15-element streamer; 12-element iti streamer; 48-meter, 36-channel iti streamer; model f42b calibrated hydrophone w/ 30 m cable signal conditioning kron-hite bandpass filter; tektronix amplifiers; bandpass filter; _____ amplifier test equipment storage oscilloscope; precision voltmeters (2); hp spectrum analyzer
Staff information imported from InfoBank
Jon Childs (USGS Western Region) - Chief Scientist
Alan Cooper (USGS Western Region) - Unspecified
Pat Hart (USGS Western Region) - Unspecified
Larry Kooker (USGS Western Region) - Unspecified
Tom McGee (MMS) - Unspecified
Vaughn Goebel (Lookout Geophysical) - Unspecified
Craig Lippus (Geometrics) - Unspecified
Gordon Smith - Captain
Location:
CA
| Boundaries | |||
|---|---|---|---|
| North: 37.86158 | South: 37.73403 | West: -122.376 | East: -122.33084 |
Platform(s):
 David Johnston |
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| YoNav | --- | Navigation | Global positioning system (GPS) data j-2-98-sf.061 Global positioning system (GPS) data j-2-98-sf.062 (Provisional best file) Global positioning system (GPS) data j-2-98-sf.062_degree Best file with nav in ArcInfo E00 format Global positioning system (GPS) data j-2-98-sf.060 |
| 48channel | --- | Multichannel | |
| 200khz | --- | Single Beam | |
| Geopulse | --- | Boomer | |
| uniboom | --- | Boomer | |
| Seistecprofiler | --- | Sub Bottom Profiler | |
| minisparker | --- | Sparker |
