Center for Satellite Applications and Research (STAR) Review 09 – 11 March 2010

NOAA CoastWatch/OceanWatch Ocean Color Activities:Contributions to Ocean Color Radiometry-Virtual Constellation

S. Ramachandran2, K. Hughes1 (PRINCIPAL GOVERNMENT INVESTIGATOR) , Y.S. Kim3, M. Wang1

1NOAA/NESDIS/STAR, 2SP-Systems Inc, 3DELL/Perot Systems Government Services

Requirement: Develop observational systems to support integrated ecosystem assessments, regional management, and climate science.

Science: How can observing system and NOAA operational products be improvedto better analyze ocean, land, and climate processes.

Benefit: Collaborative ocean color radiometry from space will mitigate potential gaps in missions / operations / capabilities.

Science Challenges: Differences in calibration procedures and sensor banddifferences make inter-sensor derived product comparisons difficult. Also required will be acquisition station coordination and support, processing system development and operations and calibration/validation.

Next Steps: Investigate acquisition station capability and availability; Explore satellite differences, optimum product suite development, and establish and sustain Cal/Val activities. Product improvement will involve SWIR atmospheric correction as well as the Global Forecast System (GFS) ancillary data from NCEP instead of monthly climatology data for Ocean Color data processing.

Transition Path: Transition from operations in US coastal waters (CoastWatch) to global science quality (OceanWatch).

Sensors Systems Cal/ValCoverage

NOAA CoastWatch/OceanWatch supports the Ocean Color Radiometry-Virtual Constellation (OCR-VC). The OCR-VC will provides a long time series of calibrated OCR from multiple satellites with activities including Cal/Val, merging of satellite data and in situ data, product generation as well as demonstration of new improved applications.

Application DemonstrationsHABs : Ocean Color data are routinely used to monitor the location and movement of harmful algal blooms (HABs) using Chlorophyll concentration anomalies.

WQ: Monitor water quality (WQ) in the Chesapeake Bay using derived products such as total suspended matter (TSM) to measure sediment and contaminant loading from terrestrial runoff.

LM: Support for ecological forecasts, stock assessments and living marine (LM) resource management.

1)MODIS, SeaWiFS, MERIS, OCM-2 (2009+)

2) VIIRS-NPP, OLCI (2010+)

3) S-GLI, VIIRS-NPOESS (2014+)

1km daily (current)

Planned N. American Hi-res acquisition

Marine Optical Buoy (MOBY) / MOBY-C

NRT Product Validation

OceanWatch (GLOBAL)

MOBY Distributed Calibration Exercise (MDCE)

Combination of sensors mitigates varied revisit times and swath width differences to ensure minimal daily data gaps for routine use.

Cross calibration at heritage site that is accurate, precise, well characterized, and SI traceable.

Current Operational System (Okeanos)

For VIIRS-NPP onwards NOAA plans 1km full global coverage (chlorophyll, nLw)

R/V KA IMIKAI-O-KANALOA

SeaWiFS MODIS MERIS OCM-2 VIIRS OLCI S-GLI412 412 412 412 412 413 412443 443 443 443 443 443 443490 488 490 490 486 490 490510 531 510 510 510 530555 551 560 555 555 560 560670 667 665 620 672 665 665765 748 779 740 746 761 761865 869 865 870 865 865 865

Science System (Tethys)

TethysDevelopmental

System

L1 - L2(L2gen)

L2CWHDF(CW HDFConverter)

L3MAP(CW Regions)

Washington D.CSTAR Firewall System

STARRestricted Science

Community6

Static

MET Ozone SensorCAL

SensorAttribs

AtmCorr

ClimatologyModeled

Near Real Time

(NCEP GFS)

MiamiWallops Island CDA(WCDA) OSU LSUPrince Albert, Canada

(PAC)Gatineau, Canada

(GNC)

Software process

Hardware system

Data Source

Ancillary input data

Satellites

SatellitesOCM2MODIS MERIS NPP GCOM C-1 C-1 C-2

NASA EDOS System

L1 - L2(L2gen)

L2CWHDF(CW HDFConverter)

L3MAP(CW Regions)

Distribution server(Okeanos)

Distribution Server(Okeanos)

BrowserCGI/httpd

MySQL/PostgreSQL

DB

CoastWatchWeb Server

UserCommunity

OperationalSystem (Okeanos)

DevelopmentSystem (Tethys)

L1 - L2(L2gen)

L2CWHDF(CW HDFConverter)

L3MAP(CW Regions)

DevelopedAlgorithm

L0 – L1BProcessing

NOAA/ESPC*/NRTPE**

System

SeaWIFS L1AMERIS L2(Reduced Resolution)

Distribution server(Okeanos)

Archive (CLASS)FTP (Okeanos)

Archive (CLASS)FTP (Okeanos)

FTP (Okeanos)

Parallel TestSystem (Okeanos)

Static

MET Ozone SensorCAL

SensorAttribs

AtmCorr

ClimatologyModeled

Near Real Time

(NCEP GFS)

STARRestricted Science

Community

Software process

Hardware system

Data Source

Ancillary input data

NOAA Ocean Color Data Processing and Distribution

Science, development, and production for the OCR constellation

TethysDevelopmental

System

L1 - L2(L2gen)

L2CWHDF(CW HDFConverter)

L3MAP(CW Regions)

STARRestricted Science

Community

Washington D.CSTAR Firewall System

Row data

Row data

Row data

L1 data

FutureApproximate ground cover when Satellite altitude at;800 Km500 Km