| MARINE SURVEY GENERAL INFORMATION |
|
|
|
|
|
|
|
|
|
|
|
|
|
| GENERAL |
|
Voyage No. : |
YK02-04 |
|
|
JAMSTEC
/ others: |
|
| AREA |
Hana ridge |
LINE No. |
Line10-2 |
|
| FIRST SP No. |
1 |
LAST SP No. |
377 |
|
| DATE/TIME |
08:53:06
08/03/2002 |
DATE/TIME |
2002/08/03
11:00:00 |
|
| WEATHER |
Blue Sky |
WEATHER |
Blue Sky |
|
| SEA CONDITION |
Moderate |
SEA CONDITION |
Moderate |
|
| Latitude |
21°14.4490 |
|
Latitude |
21°09.9449 |
|
|
| Longitude |
155°39.7334 |
|
Longitude |
155°24.0205 |
|
|
| SEA DEPTH |
5241 |
m |
SEA DEPTH |
5669 |
m |
|
| SOG |
5.4 |
knt |
SOG |
3.9 |
knt |
|
| Wind Lebel |
Fresh Breeze |
Wind Lebel |
Fresh Breeze |
|
| S.P. INTERVAL |
20 |
sec |
GUN DEPTH |
2.3～2.7 |
m |
|
| CABLE DEPTH |
9.7～11.8 |
|
|
|
|
|
|
|
|
| SOURCE |
|
|
| GUN TYPE |
GI-GUN (Seismic systems, inc.) |
|
|
| VOLUME |
350×1 |
cu.in |
([G]245cu.in, [ I ] 105cu.in) |
|
|
| AIR PRESSURE |
1600 |
psi |
|
11.034 |
Mpa) |
|
|
|
|
| GI DELAY TIME |
55.0 |
msec |
|
|
|
|
|
|
|
|
| RECORDING |
|
|
|
| SAMPLE FREQENCY |
|
|
|
1000 |
Hz |
|
|
|
|
|
| RECORD LENGTH |
|
|
|
12000 |
msec |
|
|
|
|
| WATER
DELAY |
|
|
0 |
msec |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| Processing (SPW) |
|
|
|
|
|
|
|
| ①SDC |
|
|
|
|
|
|
|
|
|
| ②Bandpass |
Lo cut (Hz) |
Lo pass (Hz) |
Hi pass (Hz) |
Hi cut (Hz) |
|
| |
20 |
30 |
200 |
250 |
|
| ③AGC |
Top window length (msec) |
Bottom window length |
|
| |
200 |
|
|
| STREAMER |
|
| ACTIVE STREAMER |
65 |
m |
|
|
| HYDROPHONE TYPE |
SIG 16 |
|
|
|
|
|
|
| SENSITIVITY |
-90db, re1V/μ bar, ±1db |
|
|
|
|
|
|
| No. of HYDROPHONE GROUP |
48 |
|
|
|
|
|
|
| FRONT STRETCH
SECTION |
135 |
m |
|
|
|
|
|
|
| FILE NAME |
Line10-2 |
|
|
| REMARKS |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
| |
|
|
|
|
|
|
|
R/V YOKOSUKA |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|