Data status of JBFH in May, 1961
Station Information Flags [Station map]
Profile Information Flags
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | A | B | C | D | E | Total |
39 | | | 93 | 4 | | | | | 6 | | | | | 142 |
142 profiles
Depth [m] | Data Quality Control Flags | Data Management Flags |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | L | _ | Total | 0 | 1 | 2 | 3 | 4 | 5 | 6 | D | E | F | J | K | L | M | Total |
Total | 1544 | | | | | | | | | | | | 1544 | 1532 | | | | | | 12 | | | | | | | | 1544 |
0 - 10 | 142 | | | | | | | | | | | | 142 | 136 | | | | | | 6 | | | | | | | | 142 |
10 - 20 | 145 | | | | | | | | | | | | 145 | 139 | | | | | | 6 | | | | | | | | 145 |
20 - 30 | 142 | | | | | | | | | | | | 142 | 142 | | | | | | | | | | | | | | 142 |
30 - 50 | 147 | | | | | | | | | | | | 147 | 147 | | | | | | | | | | | | | | 147 |
50 - 75 | 148 | | | | | | | | | | | | 148 | 148 | | | | | | | | | | | | | | 148 |
75 - 100 | 139 | | | | | | | | | | | | 139 | 139 | | | | | | | | | | | | | | 139 |
100 - 125 | 134 | | | | | | | | | | | | 134 | 134 | | | | | | | | | | | | | | 134 |
125 - 150 | 7 | | | | | | | | | | | | 7 | 7 | | | | | | | | | | | | | | 7 |
150 - 200 | 140 | | | | | | | | | | | | 140 | 140 | | | | | | | | | | | | | | 140 |
200 - 250 | 134 | | | | | | | | | | | | 134 | 134 | | | | | | | | | | | | | | 134 |
250 - 300 | 112 | | | | | | | | | | | | 112 | 112 | | | | | | | | | | | | | | 112 |
300 - 400 | 27 | | | | | | | | | | | | 27 | 27 | | | | | | | | | | | | | | 27 |
400 - 500 | 26 | | | | | | | | | | | | 26 | 26 | | | | | | | | | | | | | | 26 |
500 - 600 | 22 | | | | | | | | | | | | 22 | 22 | | | | | | | | | | | | | | 22 |
600 - 700 | 19 | | | | | | | | | | | | 19 | 19 | | | | | | | | | | | | | | 19 |
700 - 800 | 5 | | | | | | | | | | | | 5 | 5 | | | | | | | | | | | | | | 5 |
800 - 900 | 21 | | | | | | | | | | | | 21 | 21 | | | | | | | | | | | | | | 21 |
900 - 1000 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
1000 - 1100 | 13 | | | | | | | | | | | | 13 | 13 | | | | | | | | | | | | | | 13 |
1100 - 1200 | 6 | | | | | | | | | | | | 6 | 6 | | | | | | | | | | | | | | 6 |
1200 - 1300 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1300 - 1400 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1400 - 1500 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1500 - 1750 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1750 - 2000 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
2000 - 2500 | 2 | | | | | | | | | | | | 2 | 2 | | | | | | | | | | | | | | 2 |
2500 - 3000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3000 - 3500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3500 - 4000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4000 - 4500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4500 - 5000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5000 - 5500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5500 ≤ | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Back to Index
24 profiles
Depth [m] | Data Quality Control Flags | Data Management Flags |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | L | _ | Total | 0 | 1 | 2 | 3 | 4 | 5 | 6 | D | E | F | J | K | L | M | Total |
Total | 362 | | | | | | | | | | | | 362 | 350 | | | | | | 12 | | | | | | | | 362 |
0 - 10 | 24 | | | | | | | | | | | | 24 | 18 | | | | | | 6 | | | | | | | | 24 |
10 - 20 | 27 | | | | | | | | | | | | 27 | 21 | | | | | | 6 | | | | | | | | 27 |
20 - 30 | 24 | | | | | | | | | | | | 24 | 24 | | | | | | | | | | | | | | 24 |
30 - 50 | 28 | | | | | | | | | | | | 28 | 28 | | | | | | | | | | | | | | 28 |
50 - 75 | 29 | | | | | | | | | | | | 29 | 29 | | | | | | | | | | | | | | 29 |
75 - 100 | 21 | | | | | | | | | | | | 21 | 21 | | | | | | | | | | | | | | 21 |
100 - 125 | 16 | | | | | | | | | | | | 16 | 16 | | | | | | | | | | | | | | 16 |
125 - 150 | 7 | | | | | | | | | | | | 7 | 7 | | | | | | | | | | | | | | 7 |
150 - 200 | 23 | | | | | | | | | | | | 23 | 23 | | | | | | | | | | | | | | 23 |
200 - 250 | 18 | | | | | | | | | | | | 18 | 18 | | | | | | | | | | | | | | 18 |
250 - 300 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
300 - 400 | 25 | | | | | | | | | | | | 25 | 25 | | | | | | | | | | | | | | 25 |
400 - 500 | 25 | | | | | | | | | | | | 25 | 25 | | | | | | | | | | | | | | 25 |
500 - 600 | 20 | | | | | | | | | | | | 20 | 20 | | | | | | | | | | | | | | 20 |
600 - 700 | 17 | | | | | | | | | | | | 17 | 17 | | | | | | | | | | | | | | 17 |
700 - 800 | 5 | | | | | | | | | | | | 5 | 5 | | | | | | | | | | | | | | 5 |
800 - 900 | 19 | | | | | | | | | | | | 19 | 19 | | | | | | | | | | | | | | 19 |
900 - 1000 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
1000 - 1100 | 13 | | | | | | | | | | | | 13 | 13 | | | | | | | | | | | | | | 13 |
1100 - 1200 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
1200 - 1300 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1300 - 1400 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
1400 - 1500 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1500 - 1750 | 2 | | | | | | | | | | | | 2 | 2 | | | | | | | | | | | | | | 2 |
1750 - 2000 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
2000 - 2500 | 2 | | | | | | | | | | | | 2 | 2 | | | | | | | | | | | | | | 2 |
2500 - 3000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3000 - 3500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3500 - 4000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4000 - 4500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4500 - 5000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5000 - 5500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5500 ≤ | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Back to Index
23 profiles
Depth [m] | Data Quality Control Flags | Data Management Flags |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | L | _ | Total | 0 | 1 | 2 | 3 | 4 | 5 | 6 | D | E | F | J | K | L | M | Total |
Total | 344 | | | | | | | | | | | | 344 | 344 | | | | | | | | | | | | | | 344 |
0 - 10 | 22 | | | | | | | | | | | | 22 | 22 | | | | | | | | | | | | | | 22 |
10 - 20 | 26 | | | | | | | | | | | | 26 | 26 | | | | | | | | | | | | | | 26 |
20 - 30 | 23 | | | | | | | | | | | | 23 | 23 | | | | | | | | | | | | | | 23 |
30 - 50 | 27 | | | | | | | | | | | | 27 | 27 | | | | | | | | | | | | | | 27 |
50 - 75 | 29 | | | | | | | | | | | | 29 | 29 | | | | | | | | | | | | | | 29 |
75 - 100 | 20 | | | | | | | | | | | | 20 | 20 | | | | | | | | | | | | | | 20 |
100 - 125 | 16 | | | | | | | | | | | | 16 | 16 | | | | | | | | | | | | | | 16 |
125 - 150 | 6 | | | | | | | | | | | | 6 | 6 | | | | | | | | | | | | | | 6 |
150 - 200 | 21 | | | | | | | | | | | | 21 | 21 | | | | | | | | | | | | | | 21 |
200 - 250 | 17 | | | | | | | | | | | | 17 | 17 | | | | | | | | | | | | | | 17 |
250 - 300 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
300 - 400 | 24 | | | | | | | | | | | | 24 | 24 | | | | | | | | | | | | | | 24 |
400 - 500 | 20 | | | | | | | | | | | | 20 | 20 | | | | | | | | | | | | | | 20 |
500 - 600 | 20 | | | | | | | | | | | | 20 | 20 | | | | | | | | | | | | | | 20 |
600 - 700 | 16 | | | | | | | | | | | | 16 | 16 | | | | | | | | | | | | | | 16 |
700 - 800 | 5 | | | | | | | | | | | | 5 | 5 | | | | | | | | | | | | | | 5 |
800 - 900 | 18 | | | | | | | | | | | | 18 | 18 | | | | | | | | | | | | | | 18 |
900 - 1000 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
1000 - 1100 | 9 | | | | | | | | | | | | 9 | 9 | | | | | | | | | | | | | | 9 |
1100 - 1200 | 6 | | | | | | | | | | | | 6 | 6 | | | | | | | | | | | | | | 6 |
1200 - 1300 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1300 - 1400 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1400 - 1500 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1500 - 1750 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1750 - 2000 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
2000 - 2500 | 2 | | | | | | | | | | | | 2 | 2 | | | | | | | | | | | | | | 2 |
2500 - 3000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3000 - 3500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3500 - 4000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4000 - 4500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4500 - 5000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5000 - 5500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5500 ≤ | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Back to Index
26 profiles
Depth [m] | Data Quality Control Flags | Data Management Flags |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | L | _ | Total | 0 | 1 | 2 | 3 | 4 | 5 | 6 | D | E | F | J | K | L | M | Total |
Total | 391 | | | | | | | | | | | | 391 | 391 | | | | | | | | | | | | | | 391 |
0 - 10 | 26 | | | | | | | | | | | | 26 | 26 | | | | | | | | | | | | | | 26 |
10 - 20 | 29 | | | | | | | | | | | | 29 | 29 | | | | | | | | | | | | | | 29 |
20 - 30 | 26 | | | | | | | | | | | | 26 | 26 | | | | | | | | | | | | | | 26 |
30 - 50 | 31 | | | | | | | | | | | | 31 | 31 | | | | | | | | | | | | | | 31 |
50 - 75 | 32 | | | | | | | | | | | | 32 | 32 | | | | | | | | | | | | | | 32 |
75 - 100 | 22 | | | | | | | | | | | | 22 | 22 | | | | | | | | | | | | | | 22 |
100 - 125 | 17 | | | | | | | | | | | | 17 | 17 | | | | | | | | | | | | | | 17 |
125 - 150 | 7 | | | | | | | | | | | | 7 | 7 | | | | | | | | | | | | | | 7 |
150 - 200 | 24 | | | | | | | | | | | | 24 | 24 | | | | | | | | | | | | | | 24 |
200 - 250 | 19 | | | | | | | | | | | | 19 | 19 | | | | | | | | | | | | | | 19 |
250 - 300 | 5 | | | | | | | | | | | | 5 | 5 | | | | | | | | | | | | | | 5 |
300 - 400 | 27 | | | | | | | | | | | | 27 | 27 | | | | | | | | | | | | | | 27 |
400 - 500 | 25 | | | | | | | | | | | | 25 | 25 | | | | | | | | | | | | | | 25 |
500 - 600 | 22 | | | | | | | | | | | | 22 | 22 | | | | | | | | | | | | | | 22 |
600 - 700 | 19 | | | | | | | | | | | | 19 | 19 | | | | | | | | | | | | | | 19 |
700 - 800 | 5 | | | | | | | | | | | | 5 | 5 | | | | | | | | | | | | | | 5 |
800 - 900 | 21 | | | | | | | | | | | | 21 | 21 | | | | | | | | | | | | | | 21 |
900 - 1000 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
1000 - 1100 | 13 | | | | | | | | | | | | 13 | 13 | | | | | | | | | | | | | | 13 |
1100 - 1200 | 6 | | | | | | | | | | | | 6 | 6 | | | | | | | | | | | | | | 6 |
1200 - 1300 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1300 - 1400 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1400 - 1500 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1500 - 1750 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1750 - 2000 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
2000 - 2500 | 2 | | | | | | | | | | | | 2 | 2 | | | | | | | | | | | | | | 2 |
2500 - 3000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3000 - 3500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3500 - 4000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4000 - 4500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4500 - 5000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5000 - 5500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5500 ≤ | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Back to Index
4 profiles
Depth [m] | Data Quality Control Flags | Data Management Flags |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | L | _ | Total | 0 | 1 | 2 | 3 | 4 | 5 | 6 | D | E | F | J | K | L | M | Total |
Total | | | | | | | | | | | | 62 | 62 | 62 | | | | | | | | | | | | | | 62 |
0 - 10 | | | | | | | | | | | | 4 | 4 | 4 | | | | | | | | | | | | | | 4 |
10 - 20 | | | | | | | | | | | | 4 | 4 | 4 | | | | | | | | | | | | | | 4 |
20 - 30 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
30 - 50 | | | | | | | | | | | | 4 | 4 | 4 | | | | | | | | | | | | | | 4 |
50 - 75 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
75 - 100 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
100 - 125 | | | | | | | | | | | | 4 | 4 | 4 | | | | | | | | | | | | | | 4 |
125 - 150 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
150 - 200 | | | | | | | | | | | | 4 | 4 | 4 | | | | | | | | | | | | | | 4 |
200 - 250 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
250 - 300 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
300 - 400 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
400 - 500 | | | | | | | | | | | | 4 | 4 | 4 | | | | | | | | | | | | | | 4 |
500 - 600 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
600 - 700 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
700 - 800 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
800 - 900 | | | | | | | | | | | | 4 | 4 | 4 | | | | | | | | | | | | | | 4 |
900 - 1000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
1000 - 1100 | | | | | | | | | | | | 2 | 2 | 2 | | | | | | | | | | | | | | 2 |
1100 - 1200 | | | | | | | | | | | | 3 | 3 | 3 | | | | | | | | | | | | | | 3 |
1200 - 1300 | | | | | | | | | | | | 2 | 2 | 2 | | | | | | | | | | | | | | 2 |
1300 - 1400 | | | | | | | | | | | | 1 | 1 | 1 | | | | | | | | | | | | | | 1 |
1400 - 1500 | | | | | | | | | | | | 1 | 1 | 1 | | | | | | | | | | | | | | 1 |
1500 - 1750 | | | | | | | | | | | | 2 | 2 | 2 | | | | | | | | | | | | | | 2 |
1750 - 2000 | | | | | | | | | | | | 1 | 1 | 1 | | | | | | | | | | | | | | 1 |
2000 - 2500 | | | | | | | | | | | | 1 | 1 | 1 | | | | | | | | | | | | | | 1 |
2500 - 3000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3000 - 3500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3500 - 4000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4000 - 4500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4500 - 5000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5000 - 5500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5500 ≤ | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Back to Index
4 profiles
Depth [m] | Data Quality Control Flags | Data Management Flags |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | L | _ | Total | 0 | 1 | 2 | 3 | 4 | 5 | 6 | D | E | F | J | K | L | M | Total |
Total | 66 | | | | | | | | | | | | 66 | 66 | | | | | | | | | | | | | | 66 |
0 - 10 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
10 - 20 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
20 - 30 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
30 - 50 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
50 - 75 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
75 - 100 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
100 - 125 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
125 - 150 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
150 - 200 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
200 - 250 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
250 - 300 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
300 - 400 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
400 - 500 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
500 - 600 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
600 - 700 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
700 - 800 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
800 - 900 | 4 | | | | | | | | | | | | 4 | 4 | | | | | | | | | | | | | | 4 |
900 - 1000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
1000 - 1100 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
1100 - 1200 | 3 | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | | | 3 |
1200 - 1300 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1300 - 1400 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1400 - 1500 | 1 | | | | | | | | | | | | 1 | 1 | | | | | | | | | | | | | | 1 |
1500 - 1750 | 2 | | | | | | | | | | | | 2 | 2 | | | | | | | | | | | | | | 2 |
1750 - 2000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
2000 - 2500 | 2 | | | | | | | | | | | | 2 | 2 | | | | | | | | | | | | | | 2 |
2500 - 3000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3000 - 3500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
3500 - 4000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4000 - 4500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
4500 - 5000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5000 - 5500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
5500 ≤ | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Back to Index