Saturday, April 7, 2007
Here is the final dataset along the Endurance Line from the RU16 flight:
Monday, April 2, 2007
RU16 is now flying toward Tuckerton along the endurance line. The mission is almost over, and it has been extremely successful so far. The temperature cross-section reveals lots of structure over the shelf. The data is very similar to the observations collected by RU01 about 3 days ago, indicationg that short-time variability is small right now.
Friday, March 30, 2007
Wednesday, March 28, 2007
The glider is almost over crossing a band of warm waters near the Hudson River Canyon. The warm waters are restricted to a thin band near the surface, as revealed by the glider observations. The variation near-surface salinity is much weaker. The chlorophyll concentration is high in the upper water column
Monday, March 26, 2007
Thursday, March 22, 2007
After reaching the waypoint, the glider will follow the green line in the plot above, coordinating with Eric Powell's fisheries cruise. The salinity section below reveals lots of small scale structure over the shelf. The glider is now in waters nearly homogeneous, with gradients only in the near-bottom layer.
Wednesday, March 21, 2007
Tuesday, March 20, 2007
The glider track shows that RU16 has been moving in a nearly along-shelf direction on the second leg so far. Both CTD and optical data has both shown plenty of structures. We can see in the temperature section that we have just moved through a region of very cold water (< 5.5 deg C).
Sunday, March 18, 2007
Great work, and a fun flight for 100th celebration flight! osc
Mean surface current map for the past 4 days shows mainly downshelf flow to the southwest.
The winter storm has left the region after dumping a couple inches of icy snow. Louis will have more on the post-storm analysis.
Latest data suggests that the glider is starting to encountering warmer/saltier slope water at depth below the 70 m isobath. The cross-shelf salinity (temperature) section shows an interesting fresh-salty-fresh-salty (cold-warm-cold-warm) pattern.
This is very different than what RU01 currently sees on the Endurance line south of the Hudson Shelf Valley, where we have significant intrusion of the slope water onto the shelf throughout the entire water column:
Next we'll look at the surface current during the month of March on the New Jersey shelf.
Saturday, March 17, 2007
They were able to download datstarted RU16 just 1 km north of the shipping lanes earlier this afternoon, and sent i
Friday, March 16, 2007
Thursday, March 15, 2007
Wednesday, March 14, 2007
Current Glider data shows we have gotten beyond the low chlorophyll low sailinty water. interesting the backscatter was not as low, which I think means there is alot of nonalgal particles. Because the backscatter is not much higher here, it might be consistent with organic detritus, but this needs to teased out.