Endeavour Ridge
Topography +
hydrothermal vent
fields
Conceptual Model
2175m
km
Vent-generated mean
currents
10
Main Vent
650 MW
2300m
1km
Observed daily mean currents from the axial valley
N = north of High Rise; S = south of Main Endeavour
Daily Mean Axial Velocities ER03 N3 75m
Daily Mean Axial Velocities ER03 N1 75m
5
c m/s
c m/s
5
0
09/Aug
23/Aug
09/Aug
23/Aug
20/Sep
04/Oct
18/Oct
20/Sep
04/Oct
18/Oct
N3
06/Sep
15m
5
c m/s
0
5
5
23/Aug
06/Sep
20/Sep
04/Oct
26/Jul
18/Oct
09/Aug
23/Aug
06/Sep
c m/s
c m/s
0
5
04/Oct
18/Oct
26/Jul
09/Aug
23/Aug
5
09/Aug
23/Aug
S2
06/Sep
15m
20/Sep
5
26/Jul
18/Oct
04/Oct
18/Oct
09/Aug
23/Aug
20/Sep
04/Oct
18/Oct
20/Sep
04/Oct
18/Oct
S4
06/Sep
15m
5
c m/s
c m/s
0
5
04/Oct
5
0
0
5
5
26/Jul
20/Sep
30m
c m/s
c m/s
5
0
06/Sep
09/Aug
23/Aug
06/Sep
20/Sep
04/Oct
18/Oct
26/Ju l
09/Aug
23/Aug
06/Sep
18/Oct
20/Sep
04/Oct
06/Sep
18/Oct
23/Aug
04/Oct
09/Aug
30m
26/Jul
20/Sep
5
5
26/Jul
20/Sep
5
0
15m
Daily Mean Axial Velocities ER03 S4 75m
06/Sep
06/Sep
Daily Mean Axial Velocities ER03 S2 75m
G1
09/Aug
23/Aug
23/Aug
0
Daily Mean ThroughGap Veloc ities ER03 G1 30m
26/Jul
5
18/Oct
cm/s
cm/s
0
18/Oct
5
04/Oct
09/Aug
5
04/Oct
5
c m/s
20/Sep
26/Jul
20/Sep
5
0
15m
26/Jul
06/Sep
5
c m/s
23/Aug
30m
N1
06/Sep
09/Aug
0
23/Aug
26/Jul
18/Oct
09/Aug
09/Aug
04/Oct
5
5
26/Jul
30m
20/Sep
26/Jul
5
0
06/Sep
c m/s
26/Jul
0
5
5
Endeavour Ridge
Cross section of POM
numerically simulated
currents for different
locations along the ridge
(Thomson, Subbotina and
Anisimov; JGR, in review)
Endeavour Ridge
POM numerically
simulated currents for
different depth
horizons (Thomson,
Subbotina and
Anisimov; JGR, in
review)
Endeavour Ridge
Cross section of POM
numerically simulated
temperature anomalies
for different locations
along the ridge (Thomson,
Subbotina and Anisimov
(JGR, in review)
A) ROPOS Lifting Ring
Planned
moorings
250
MAB
B) Flotation Technologies
MF45-3000 Syntactic Foam
Float and Fibreglass Frame
C) Miller C-212 Swivel
O) Spare
??
200
MAB
NEPTUNE
CIRCULATION STUDY
MOORING
Dec. 4, 2008,
Tom Juh ás z
Update
D) RDI WHLM DR 75 KHZ ADCP - 3000 m in Fibreglass Frame
E) Power (16v + 48v) & Shielded Communication to
Instruments:
Solid Brown = 4 x 16 awg + 4 x twisted pair x 22 awg (RS422)
Dash Brown = 2 x 16 awg + 2 x twisted pair x 22 awg (RS422)
Solid Red = 4 x 16 awg + 2 x twisted pair x 22 awg (RS485)
Dash Red = 2 x 16 awg + 1 x twisted pair x 22 awg (RS485)
125
MAB
F) Mooring Line Strength Member = 0.39”
diameter Cortland Vectran c/w HDPE
jacket and 7/16” Crosby G-414 Thimbles.
G) Paired Nortek Aquadop 3D ACM and
SeaBird SBE37SMP-CTP Microcat
50
MAB
H) The “L” Box Contains Serial RS422 and
RS485 to Ethernet Co nversion Electronics
and Power Distribution and Control
Electronics, in Fibreglass Frame.
3
MAB
I) Seacon MINK CCP 10E CSM to 12 PBOF
3M, 12E (14 awg for 400v + Ethernet) to 12E
ROV BH RCPT
P) NB:
Syntactic
Floatation,
will be
added at
instrum’t
depths as
required
J) Miller C-212 Swivel, active during
deployment, then inactivated by ROPOS.
K) ROPOS Activated Pull-Pin Release.
M) Clump Anchor
L) Deployable Support hinged from L-Box
Frame for ODI wet mate ROV Connector
[above (I)]
N) NEPTUNE extension cable c/w ODI 12E ROV wet mate connector
from either Secondary Junction Box or Media Converter Box