Diffuse attenuation co-efficients (Kd) for underwater solar radiation

GRINCHES Cruise NBP04-09

All data collected with a free-falling Biospherical Instruments PUV-2500. Values are the average Kd's calculated for three separate casts taken near solar noon each day.

Date Year Julian Day Latitude Longitide Station Kd (305 nm) Kd (313 nm) Kd (320 nm) Kd (340 nm) Kd (380 nm) Kd (395 nm) Kd (PAR)
27-Dec-04 2004
362
 -76 30.005 179 00.031 G9A
0.397
0.379
0.363
0.311
0.214
0.217
0.187
30-Dec-04 2004
365
 76 55.867 179 45.422 G10B
0.493
0.448
0.418
0.282
0.284
0.216
31-Dec-04 2004
366
 -77 00.051 -179 59.942 G10C
0.501
0.448
0.402
0.332
0.254
0.253
0.195
2-Jan-05 2005
2
 -74 30.00 173 30.00 G11A
0.460
0.434
0.416
0.237
0.233
0.232
0.215
5-Jan-05 2005
5
 -74 30.00 173 30.00 G11D
0.447
0.393
0.336
0.216
0.215
0.196
8-Jan-05 2005
8
 -75 00.256 167 00.226 G12A
0.452
0.408
0.378
0.220
0.215
0.174
9-Jan-05 2005
9
 -74 60.00 167 00.00 G12B
0.444
0.416
0.393
0.221
0.216
0.180
10-Jan-05 2005
10
 -75 00.00 167 00.00 G12C
0.445
0.397
0.368
0.208
0.202
0.178
11-Jan-05 2005
11
 -74 56.50 167 02.20 G12D
0.454
0.401
0.367
0.212
0.207
0.179
12-Jan-05 2005
12
 -74 59.90 167 00.00 G12E
0.408
0.360
0.333
0.183
0.174
0.156
15-Jan-05 2005
15
 -74 30.00 173 30.00 G13A
0.430
0.374
0.343
0.201
0.196
0.177
16-Jan-05 2005
16
 -74 30.00 173 30.00 G13B
0.427
0.370
0.338
0.204
0.200
0.173
17-Jan-05 2005
17
 -74 30.00 173 30.00 G13C
0.433
0.373
0.344
0.201
0.197
0.165
18-Jan-05 2005
18
 -74 30.00 173 30.00 G13D
0.420
0.355
0.313
0.199
0.194
0.170
19-Jan-05 2005
19
 -74 30.00 173 30.00 G13E
0.432
0.379
0.350
0.285
0.200
0.190
0.175