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Comment: Automatically updated by Registry2Confluence-Transporter (polarstern@ingestsrv1, ask o2a-support@awi.de for questions)

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Note
titleAttention:

Please note that the Marine Gravitymeter System Lacoste and Romberg Gravity Meter can only be operated upon request. Request operations with the Marine Gravitymeter System to AWI-Logistics in sufficient time prior to the cruise.

Summary

Sensorweb integration
urnvessel:polarstern:LR_Grav1031
contenttypeSummary

A gravimeter is used to measure the gravitational field of the earth. The gravimeter on board of Polarstern is situated on a gyro-stabilized platform to compensate for the ships movement. It is a spring and mass system with magnetic compensation, the length of the spring being proportional to the gravitationThe LaCoste and Romberg gravity meter is used for tying of the data of marine gravity meter KSS 32 M into the international standard gravity network. It is small and portable and can therefore be used to measure relative gravity at absolute gravity points on land during port calls.


Sensorweb integration
urnvessel:polarstern:LR_Grav1031
contenttypeMetadata
Manufacturer
Bodensee Gravitymeter Geosystem GmbH (BGGS)
Lacoste and Romberg
Model
KSS 32 M
Serial No.
n/a
1031
Typegravimeter
REGISTRY-Link↪ REGISTRY (3986)


Sensorweb integration
urnvessel:polarstern:LR_Grav1031
contenttypeImages

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Image AddedImage Modified
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Contacts

Sensorweb integration
urnvessel:polarstern:LR_Grav1031
contenttypeContacts
Metadata (Metadata Plugin)
0Components
The Marine Gravitymeter System consits of the Gravitymeter KSS 32-M and the operator-laptop in the Gravitymeter Room on board. The Gravitymeter control system and data acquisition software BGGS DACQS is installed on the laptop.
Name Institution Role
Graeme Eagles
Alfred-Wegener Institute of Polar and Marine ResearchPrincipal Investigator
Graeme EaglesAlfred-Wegener Institute of Polar and Marine ResearchData Scientist
Thorsten EggersAlfred
-
Wegener
-
Institute, Helmholtz Centre for Polar and Marine ResearchEngineer In Charge
Alfred Wegener Institute for Polar and Marine Research
Graeme EaglesAlfred Wegener Institute,
Helmholz
Helmholtz Centre for Polar and Marine Research
Ownerpolarstern dshipAlfred-Wegener-Institutedship connector

Components

Principal Investigator, Data Scientist

Position

xyz-position from Alignment Survey Report RV Polarstern (June 2016), located in
Sensorweb integration
urnvessel:polarstern:LR_Grav1031
contenttypeLocalFrame
Infodevice is located in on F-Deck, room
Origin Description:
F632
X
:
56
0.
99 m
(X-0 is at the center of der rudder (ref. design drawing of the vessel), positive X-axis is forward and along vessel centerline
0 none
(no description given)
Y
:
0.
147 m
(Y-0 at centerline, positive Y-axis is portside
0 none
(no description given)
Z
:
11
0.
81 m
(Z-0 is set to the lowest point of the keel, positive Z-axis is upwards
0 none
(no description given)


Data logging, storage and archiving

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Sensorweb integration
urnvessel:polarstern:LR_Grav1031
contenttypeParameters
Parameter
Sensor gravity
O2ARegistry Output Type Unit
accelerationaccelerationm/s^2
GravitygravitymGal