water clarity assessment along the florida keys reef tract using ocean color satellite data

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WATER CLARITY ASSESSMENT ALONG THE FLORIDA KEYS REEF TRACT USING OCEAN COLOR SATELLITE DATA Brian Barnes, Chris Ellis, Bill Fisher, Chuanmin Hu, John Lehrter, Luke McEachron, Kathleen O’Keife, Blake Schaeffer, Bruce Spiering, Lauren Underwood 26 September 2012

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Brian Barnes, Chris Ellis, Bill Fisher, Chuanmin Hu, John Lehrter , Luke McEachron , Kathleen O’Keife , Blake Schaeffer, Bruce Spiering , Lauren Underwood 26 September 2012. Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA. Objectives. - PowerPoint PPT Presentation

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Page 1: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

WATER CLARITY ASSESSMENT ALONG

THE FLORIDA KEYS REEF TRACT USING OCEAN COLOR

SATELLITE DATABrian Barnes, Chris Ellis, Bill Fisher, Chuanmin Hu, John Lehrter,

Luke McEachron, Kathleen O’Keife, Blake Schaeffer, Bruce Spiering, Lauren Underwood

26 September 2012

Page 2: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

2

Objectives Describe new satellite products Applications of satellite data products in

FKNMS Rezoning EffortEcological Research and Monitoring (W.33)Florida Bay influences (W.24)Researching Water Quality Issues (W.32)

Provide FKNMS with satellite data products Discussion

Assess utility of data products as part of FKNMS Rezoning Effort

Page 3: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

3

In situ water clarity measurements April 2011, August 2012 HyperPRO – hyperspectral

Kd

26 stations, 53 profiles 33 profiles passed QA 10 concurrent with satellite

Page 4: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

4

Sate

llite

der

ived

Kd 4

88 (m

-1)

HyperPRO in situ Kd 488 (m-1)

R2=0.91

Validation of satellite water clarity

Page 5: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

5

January April

July October

Status & Trends: average condition

Page 6: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

6

BB

UKMK

LKMQDT

A F

ED

CB

a

b

d

ce

d

εδγ

β

αζ

Status & Trends: regional variation

Distance from Shore 0 – 4 km 4 – 8 km 8 – 12 km

(from Boyer, WQMP)

Page 7: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

7

Status & Trends: seasonal variationAmplitude

of Seasonal Cycle

Page 8: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

82002 2004 2006 2008 2010

-80.5

-81

-81.5

-82

Episodic events:Monthly

mean

Page 9: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

92002 2004 2006 2008 2010

-80.5

-81

-81.5

-82

Episodic events:Monthly

anomaly

Page 10: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

10November 23, 2005

Florida Bay Influences

Page 11: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

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Florida Bay Influences

December 7, 2003

Page 12: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

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Monitoring: track water masses

December 20, 2003(two weeks later)

Page 13: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

13

Ecological Research and MonitoringLooe Key CREMP Station

Page 14: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

14

Other remote sensing data sources Temperature (MODIS, AVHRR)

Satellite overpasses several times daily

Chlorophyll, CDOM concentrations Satellite algorithms in validation stage

Page 15: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

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Distribution mechanisms

Page 16: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

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Page 17: Water Clarity Assessment along the Florida Keys Reef Tract Using Ocean Color Satellite DATA

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Discussion Use for zoning decision making

Temporal zoningBased upon seasonal events

Zone specific regulationsSize, resource protection

Protect and preserve coral reefsMinimize adverse socioeconomic impacts

Socioeconomic considerationsProvide water clarity for divers

Assess rezoning performance results based upon data products providedSolicit feedback from WQPP, SAC

Role Clarity, Need for Clarity, Satisfaction, Tension, and

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