Summary for Field Activity Number 1978-035-FA

Area of Operations: continental shelf south of Martha's Vineyard, Massachusetts, United States, North America, North Atlantic

Dates: October 30, 1978 to November 02, 1978

Objectives: Replace bottom tripod system (#157) deployed on ATLANTIS II 103 (FA 78031) suspected of malfunctioning; deploy additional surface marker buoy at station for additional protection from bottom trawling; attempt to recover by grappling subsurface current mooring #162. (Trawler OCEAN STATE from Pt. Judith, RI fished up entire mooring. Flotation was returned but 1 VACM-TR and release dropped to bottom when chain parted.)

Type of Activity: Mooring work
XBT, surface salinity samples

Information to be derived: Time series data
Samples and chemical analysis

Summary: Unable to recover Mooring #162 with grapple; instruments slipped from wire twice in rough seas; recovered small marker float only. Mooring recovered: 1 (#157 deployed FA 78031 ATLANTIS II Sep. 28 - Oct. 5, 1978). Moorings deployed: 2 (#166 and 167, recovered FA 79002 OCEANUS 56 Mar. 6-15, 1979). XBT stations: 4; Surface salinity samples: 4.

USGS Project Number: EA-PO

Contact: Brad Butman (bbutman@usgs.gov)