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Feb 7 | Feb 8 | Feb 9 | Feb 10 | Feb 11 | Feb 12 | Feb 13 | Feb 14 | Feb 15 | Feb 16 | Feb 17 | Feb 18 Feb 19 | Feb 20 | Feb 21 | Feb 22 | Feb 23 | Feb 24 | Feb 25 | Feb 26 | Feb 27 A cold front passed by last night and showed us a bit of snow. The seas are back up (5-8 ft) so we had to reduce the number of CTD stations we were planning to do. We are currently steaming southeast along a satellite altimetry track roughly 20 miles east of the box we occupied earlier. We have completed 23 CTD shallow water and 4 deep water (1500-3000 meter) casts along the track. The stratification within the shelfbreak front was weaker here due to the lower temperatures and salinities offshore of the shelf water. We did not see evidence of the warm-core ring water which dominated the outer shelf further west.
Satellite imagery which we obtained
between legs 2 and 3 of the cruise shows that a warm-core ring was directly
offshore of the mooring and seasoar sampling box. A peculiar, and very
interesting, feature of the ring was a filament of water which extended
northward from the (clockwise spinning) warm ring onto the outer shelf,
bending back to the west! The is consistent with the water mass structure
we observed with the seasoar; however, the maximum shoreward extent of the
ring water along the bottom was 10-15 miles further onshore than the surface
expression.
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©Woods Hole Oceanographic Institution |
| Last updated August 2008 |
