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Project Information

Title: LTM Program - Long-term Monitoring of Oceanographic Conditions in the Alaska Coastal Current from Hydrographic Station GAK 1.

Project Year and Number: 2012: 12120114-P

Other Fiscal Years and Numbers for this Project: 2018: 18120114-I, 2017: 17120114-I, 2014: 14120114-P, 2013: 13120114-P

Principal Investigator (PI): Tom Weingartner

Assisting Personnel: None

Research Location: Prince William Sound

Restoration Category: Monitoring

Injured Resources Addressed: Not Specified

Abstract: This program continues a 40-year time series of temperature and salinity measurements at hydrographic station GAK 1. The data set, which began in 1970, now consists of monthly CTDs and a mooring with 6 temperature/conductivity recorders throughout the water column, a fluorometer and nitrate sensor at 20 m depth and a nitrate sensor at 150 m depth. The project monitors four important Alaska Coastal Current ecosystem parameters that will quantify and help understand interannual and longer period variability in:

1. Temperature and salinity throughout the 250 m deep water column, 2. Near surface stratification, 3. Near and subsurface nitrate supply on the inner shelf, 4. Fluorescence as an index of phytoplankton biomass, and

In aggregate these variables are basic descriptors of the Alaska Coastal Current, an important habitat and migratory corridor for organisms inhabiting the northern Gulf of Alaska, including Prince William Sound.


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Proposal: View PDF (96 KB)

Funding Recommendations: View

Funding Detail For: 2012 , 2013 , 2014 , 2015 , 2016

Quarterly Project Tasks For: 2012 , 2013 , 2014 , 2015 , 2016

Annual Reports: 2012: View (2,264 KB) 2013: View (9,582 KB) 2014: View (68 KB) 2015: View (499 KB) 2016: Due 09/01/2016

Final Report: Final Report Not Available - For Current Status Please Contact Us

Publications from this Project: None Available

More information may be available for this project under other years:

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Project Number Proposal Annual Reports Final Report Data
2018: 18120114-I View (PDF) 2018: View (PDF)
Final Report Not Available - For Current Status Please Contact Us No datasets
2017: 17120114-I View (PDF) 2017: View (PDF)
Final Report Not Available - For Current Status Please Contact Us No datasets
2014: 14120114-P Not Available 2014: View (PDF)
Final Report Not Available - For Current Status Please Contact Us No datasets
2013: 13120114-P Not Available 2013: Due 09/01/2013
Final Report Not Available - For Current Status Please Contact Us No datasets