Geodesy & Ocean Disasters Sensors (GODS) - comm-tec.com · Geodesy & Ocean Disasters Sensors (GODS)...
Transcript of Geodesy & Ocean Disasters Sensors (GODS) - comm-tec.com · Geodesy & Ocean Disasters Sensors (GODS)...
Geodesy & Ocean Disasters Sensors (GODS)
Paroscientific, Inc. & Quartz Seismic Sensors, Inc.
Pose
idon
By
Gen
zom
an
Geodesy & Ocean Disasters Sensors (GODS)Geodesy & Ocean Disasters Sensors (GODS)
• Absolute Pressure Gauges
• Triaxial Accelerometer
• Nano-Resolution Electronics
• A-0-A In-situ Calibration Method
Earthquake & Tsunami Warnings
Geodetic Measurements of Earth Movements (Depth & Tilt)
Measurement Platforms• Boreholes
• Underwater Vehicles
• Inverted Echo Sounders
• Ocean Bottom Recorders
• Cabled Systems (Internally & Externally Mounted)
GODS Construction
• 2 Digiquartz®
Absolute Pressure Gauges (APG)
• 1 Triaxial Accelerometer
• 1 Digiquartz®
Barometer
• 3 Nano-resolution Processing Electronics
• 1 Three-way Ball Valve for A-0-A Calibration
Oceanic & Seismic Sensors
Temperature-compensated & Linearized RS-232 Outputs
• Seawater Pressures (A) and Temperatures from each APG
• X-Y-Z plus total Vector Accelerations and Accelerometer Temperature
• Interior Housing Barometric Pressures (0) and Barometer Temperature
• All sensors can be synchronized and time-stamped using PPS inputs
DONET Bottom Pressure during the 2011 Tohoku Earthquake
A-2
A-3
A-4
B-5
B-6
B-8
C-9
D-16
E-17
E-18
Plot courtesy of Dr. Hiroyuki Matsumoto
Tohoku Tsunami Measured in Monterey Tohoku Tsunami Measured in Monterey California with NanoCalifornia with Nano--Resolution Depth SensorResolution Depth Sensor
M9 Honshu Earthquake 11 Mar 2011 05:50-06:50 UTCRecorded with Nano-Resolution Accelerometer in Seattle, WA USA
0 1 2 3 4 5 6 7 8 9 10
minutes
50 m
icro
-g p
er d
ivis
ion
33--9 Precursor to 39 Precursor to 3--11 Tsunami11 Tsunami
Plot courtesy of Dr. Ryota Hino
Tilt Measurements Using 3G Range Quartz Triaxial Tilt Measurements Using 3G Range Quartz Triaxial Accelerometer with Internal Alignment MatrixAccelerometer with Internal Alignment Matrix
Plot Courtesy of Dr. Earl Davis
AA--00--A InA In--situ Calibration Methodsitu Calibration Method for Improved Geodetic Measurementsfor Improved Geodetic Measurements
Depth Sensor Stability at 10,000 meters Referenced to InternalOBS Atmospheric Pressure Using A-0-A Calibration Method
Depth Sensor Stability at 10,000 meters Referenced to InternalOBS Atmospheric Pressure Using A-0-A Calibration Method
Drift at Full Scale (A = 100 MPa), Drift at 0 (8 points linearly connected) & Residuals
-35
-30
-25
-20
-15
-10
-5
0
5
11/17/2014 12/7/2014 12/27/2014 1/16/2015 2/5/2015 2/25/2015 3/17/2015 4/6/2015 4/26/2015Time [Date]
Drif
t rel
ativ
e to
firs
t A-0
-A [p
pm]
-2
-1.5
-1
-0.5
0
0.5
1
1.5
Res
idua
ls [p
pm]
Drift of FS, 0, Span (FS - 0), & Temp, average of 19 sensors
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
2
4
4/19/16 4/26/16 5/3/16 5/10/16 5/17/16 5/24/16 5/31/16 6/7/16 6/14/16 6/21/16 6/28/16 7/5/16 7/12/16 7/19/16 7/26/16 8/2/16 8/9/16 8/16/16 8/23/16
Date
Drif
t rel
ativ
e [c
m H
2O]
20
21
22
23
24
25
Tem
p [C
]
Depth Sensor Stability at 3,000 meters Referenced to Internal OBS Atmospheric Pressure Using A-0-A Calibration Method
Depth Sensor Stability at 3,000 meters Referenced to InternalDepth Sensor Stability at 3,000 meters Referenced to Internal OBS Atmospheric Pressure Using AOBS Atmospheric Pressure Using A--00--A Calibration MethodA Calibration Method
GODS Sensing Modules Provide:GODS Sensing Modules Provide:
Improved disaster warning times for tsunamis and earthquakes
Improved geodetic measurements for scientific research and predictions of natural disasters
Low-cost measurement solutions for new and existing cabled, remote, and mobile platforms
Improved disaster warning times for tsunamis and earthquakes
Improved geodetic measurements for scientific research and predictions of natural disasters
Low-cost measurement solutions for new and existing cabled, remote, and mobile platforms