argo monthly report 2016/11

JCOMM in situ Observations Programme Support Centre December 2016

Argo Status

M. Belbéoch, Argo Technical Coordinatorbelbeoch@jcommops.org

http://argo.jcommops.org

• Executive Summary• Overview• Implementation• Data Flow• Instrumentation• Operations

• Biogeochemical Argo• Deep Argo

• Communication

Outline

Argo is doing very well but some substantial gaps are anticipated and challenges remain to optimize and sustain the array:

• Making deployment strategy and planning more cooperative• Address the upcoming gaps in the Pacific Ocean• Distribute excess of North Atlantic Ocean floats in Gulf Stream, South

Atlantic and possibly in South West Indian Ocean• Making data distribution more automatic (and reach 4000 by AST#18)• Keep delayed mode data distribution on track

We can note additionally that:• Iridium is now the major telecommunication system on use • All float models do not perform equally

Open questions for next AST: Could more AST members commit to chartered ship time for 2017?

Executive Summary

Overview

Implementation – Activity

• Global array optimal (quantitatively) – on light increase

• Atlantic Ocean optimal - stable• Indian Ocean optimal - 10 % increase• Pacific Ocean lightly optimal - light decrease• Southern Ocean half implemented - stable

Performance Indicators

Implementation – Activity (%)

Implementation – Intensity of deployments(this KPI had some errors – now corrected)

• Global array deployments slightly low – continued decrease for a year

• Atlantic Ocean optimal (over seeding in North Atlantic)• Pacific Ocean too low – continued decrease for a year • Indian Ocean over seeding – was required• Southern Ocean too low

Implementation – Intensity of deployments (%)

Yearly DeploymentsDeployment nb is appropriate but on decrease.

Yearly DeploymentsNorth Atlantic:Target = 83 / year

Average last three years = 135 (70% over seeding)

Implementation – Data Spatial CoverageMonthly

• Global: good – 48% of the array is well sampled - stable

• Atlantic Ocean - good • Pacific Ocean - good.• Indian Ocean - good• Southern Ocean – poor (should improve soon with summer season)

Key Performance Indicators

Implementation – Data Spatial CoverageMonthly

Key Performance Indicators

National contributions3915 fully operational floats

NetworksArgo Equivalent (10%), Argo BGC (7.5%), Argo Deep (0.6%).

Spatial CoverageLatest monthly observations (gaps in blue).

Network GrowthNetwork evolution – light increase

Distinct floats distributing observations at GDACs (monthly).

Implementation

ImplementationDistribution of operational floats by country

ImplementationOperational floats evolution, by national contribution.

Zoom (no USA).

ImplementationSimple float density as of 2016-12-01, 6°x6°.

ImplementationAge = (Latest Observation date – Deployment date).

ImplementationOld (red) / young (blue) spatial clusters.

Pacific OceanOperational Floats > 4 years removed

This is how the Pacific Ocean could look like in a couple of years from now …

ImplementationFloat density: decimal floats, weighted by their probability to survive one year

ImplementationPlease update your deployment plans for 2017 before AST meeting

ImplementationSimple density including deployment plans (to optimize dark green zones).

Data Flow

Data FlowA month of observations (at IFREMER) by DAC.

Data flowA month of observations (at IFREMER), distribution by DAC.

Performance IndicatorsDelivery on decrease.

Timeliness improving (+5%)

Data DeliveryPlease release data from pending floats (~100)

in order to reach 4000 operational units by next AST meeting 2017- 03http://www.jcommops.org/ftp/Argo/Doc/2016-PENDING.csv

Floats registered

Floats registered and active

PROGRAM #PENDING FLOATSArgo UK 22Argo PMEL 15Argo UK Bio 12MOCCA-EU 9BioArgo UMaine 8Argo ITALY 6Argo INDIA 5Argo WHOI 5Argo BSH 4Argo eq. NAVOCEANO 4MOCCA-NETH 4Argo eq. CHINA 3Argo NIMS/KMA 3Argo SIO 3NAOS-Canada 3NAOS-France 2Argo BRAZIL Navy 1Argo CHINA 1Coriolis 1Coriolis-BIOArgo 1Coriolis-OVIDE 1Coriolis-remOcean eq. 1TOTAL 114

Data FlowConfirm float status (e.g. deployment failure) or enable data distribution.

Data FlowDelays at IFREMER

Data FlowDelays at NRL-MRY

Data FlowGDACs Delays (average), by DAC.

November 2016.

Data FlowGDACs Delays (median), by DAC.

November 2016

Data FlowGDACs Delays on target (24h), by DAC.

November 2016

Data Flow

Data FlowA view on sampling levels.

Data FlowLower quality PSAL profiles.

Data FlowLower quality TEMP profiles.

Data FlowDelayed-Mode QC Achieved/DMQC_ELIGIBLE ratio = 68%.

Data FlowDelayed-Mode QC stable over last months (68%)

Instrumentation

InstrumentationDistribution of operational floats by model

InstrumentationModels evolution.

InstrumentationModels evolution (nb operational floats by month)

InstrumentationModels evolution (nb deployments by year)

Instrumentation51% Iridium, 48% Argos.

InstrumentationIridium is today the major telecommunication system used on floats

ReliabilityBy float model, floats deployed since 2005

Target: 75 profiles distributed

Target: 150 profiles distributed

Performance Indicators75 profiles distributed (top): 73% stable

150 profiles distributed (bottom): 39% on decrease over last months

5. Operations

HistoryOcean is well shared by Argo partners.

But do we see still too much color patches ?

HistoryRegions sometimes unnecessarily over sampled and regions never visited.

Logistics sometimes drive implementation

HistoryRegions never visited show however some observations from floats that

drifted in, but still show some regular gaps.

2016 ShipsKaharoa is the ship of the year (Nb deployments)

Biogeochemical Argo

Biogeochemical Argo needs to double the effort to reach its target and implement the full package (6 sensors) on all floats.

IMPLEMENTATION• Activity stabilizing at 30%• Intensity of deployments 45% to be doubled• 1000th BGC float will be soon deployed …DATA FLOW• Optimize real-time distribution and delays, in cooperation with existing

Argo National Data Centres• Metadata improving (SENSOR_MODEL critical to track capabilities)INSTRUMENTATION• Sensor diversity progressing (data availability by sensor to be checked)• But 45% of the network is Oxygen only• Life expectancy of BGC floats is lower than others (2.5 years in 2015 vs

Executive Summary

Biogeochemical ArgoPerformance Indicators

National ContributionsSome key Argo national programmes are missing

Biogeochemical ArgoGrowth of operational floats

(monthly distinct floats at GDACs)

National ContributionsGrowth of operational floats

(monthly distinct floats at GDACs)

Yearly deployments(n

Sensor Types

Oxygenstable

Fluorometer+5

Scatterometer+8

Radiometer+2

Nitrate+46

Life ExpectancyA BGC float deployed in 2015 has a 2.5 years life expectancy

Deep Argo

National Contributions25 operational floats

National contributionsYearly deployments

Planning 2017

Data flowMore than 2000 deep profiles available

Communication

Website NewsNotify tens of floats in a couple of minutes through metdata upload (CSV, US

meta, netCDF). Immediate update on interactive map.Overwrite existing records.

Website NewsSearch, Inspect floats by location status (iced/beached)

Updated at each new location comparing with land and monthly ice extent polygons.Tag a float for recovery.

Website NewsNew sections for Links and Documents

Website NewsInclude any set of monthly maps or KPIs on your own website.Can be done for interactive map and Platform Inspect page too.

Website NewsAccess float models statistics

Website NewsCompare KPIs for different basin on same graph

Website newsAddition of Scripps Argo atlas in interactive map. First tests.

Best wishes for 2017 from JCOMMOPS!

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