Report of the Tropical Moored Buoy Implementation Panel to the 22 nd Session of the Data Buoy Cooperation Panel October 16-20, 2006 San Diego, United States.

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Presentation transcript:

Report of the Tropical Moored Buoy Implementation Panel to the 22 nd Session of the Data Buoy Cooperation Panel October 16-20, 2006 San Diego, United States

Current Conditions SST is warmer than normal across the equatorial Pacific Thermocline is deeper than normal in eastern Pacific.

EL NIÑO/SOUTHERN OSCILLATION (ENSO) DIAGNOSTIC DISCUSSION (CLIMATE PREDICTION CENTER/NCEP October 5, 2006) SST departures in the Niño regions all greater than +0.5 Oceanic and atmospheric anomalies are consistent with the early stages of El Niño

ENSO DIAGNOSTIC DISCUSSION CLIMATE PREDICTION CENTER/NCEP October 6, 2005 Statistical and coupled model predictions indicate El Niño conditions for the remainder of 2006 and into the NH spring (SH fall) 2007.

Tropical Moored Array GTS All moorings on multi-sat Increased duty cycle (8  16 hours/day)

TAO STATUS

Vandalism Buoys move and sensors fail. Fishing boats often found near buoys and fishing gear in moorings.

TAO Enhancements SSS on all TAO moorings in 2007 Heat, fresh water and momentum flux at 4 equatorial TAO sites (165ºE, 170ºW, 140ºW, 110ºW) Support OceanSITES program

TAO Transition TAO Data Processing and Distribution at NDBC since Oct 2005 Parallel Testing completed in Sep 2006 NDBC assumes responsibility for field operations in Jan 2007 Prototype “refreshed” moorings deployed in spring 2007 PMEL responsible for preparation and maintenance of ATLAS instrumentation

PIRATA STATUS

PIRATA Enhancements SW Extension – Brazil/US Heat, momentum and fresh water flux measurements on 3 moorings NE Extension - AOML/PMEL added 2 moorings in Additional 2 moorings in SE Extension – year only. South Africa (U. Capetown). France and US.

2006 PIRATA Enhancements NE Extension to improve understanding and prediction of tropical Atlantic variability Region of Atlantic cyclone development HELENE 11.5ºN 23ºW

2006 PIRATA Enhancements 15ºN 38ºW HELENE

PIRATA Issues PIRATA Review: Should PIRATA continue? Restructure responsibilities? Ship requirements Vandalism Ron Brown, May-June 2006 A.K. Armah and colleagues. University of Ghana

Indian Ocean Moored Buoy Array

Indian Ocean Status 2000/2001 JAMSTEC deployed 2 TRITON and 1 subsurface ADCP and has maintained sites PMEL/NIO/NCAOR deployed 4 ATLAS and 1 subsurface ADCP from Sagar Kanya 2006 PMEL/NIO/NCAOR deployed 5 ATLAS and 1 subsurface ADCP from Sagar Kanya 2006 PMEL/BPPT to deploy 2 ATLAS from Baruna Jaya I 2006 JAMSTEC MISMO Experiment 2007 PMEL/IRD/IFREMER to deploy 1 ATLAS (Flux) and 1 subsurface ADCP from Suroit for CIRENE 2007 PMEL/? (BPPT?, FIO?) proposed subsurface ADCP

Indian Ocean Data 22 month long ADCP raw data record reveals seasonal and intraseasonal near surface current variability Oct 2004 – Oct 2005 Oct 2005 – Sep 2006

Indian Ocean Issues Vandalism is a serious problem 3 of surface moorings not recovered New/modified mooring design? 22 month deployments are well beyond mooring design lifetime and contribute to lower data quality and quantity Adequate and regular ship time is necessary to build and maintain the array

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