Area of interest | Number of surveys | Number of magnetic measurements |
---|---|---|
NEAWM area (i.e. full dataset) | 71 | 1,070,035 |
Mid-Atl. ridge 20–45°N | 17 | 362,564 |
Canarian Isl. to offshore west Portugal | 16 | 227,584 |
Bay of Biscay | 5 | 47,609 |
English Channel to North Sea | 26 | 138,024 |
W. Mediterranean Sea | 23 | 294,254 |