Shallow-water Mapping of Palmyra Atoll

A NOAA DOI TNC Partnership

Tim Battista amp Miles Anderson NOAANCCOSCCMA Biogeography Branch

httpccmanosnoaagovaboutbiogeography

Marine Biogeography

Species

Distribution

amp Abundance

Oceanography

Bathymetry

Bottom Type

Biogeographic Data Layers

Contaminants

Remote

Sensing

Imagery

Analyses

Geo-spatial Mapping

Community Analyses

00

05

10

15

20

HABITAT

SPECIES DIVERSITY

Predictive Modeling

Fit

ted

Re

sp

on

se

(lo

g S

PU

E)

000

020

040

060

080

100

120

0 -1 -2 -3 -4

Stratification Index

Products

Geodatabase

Report

An

aly

tica

l P

rodu

cts

to

mee

t S

anctu

ary

Ob

jective

s

Geo-spatial Products

Mapping as a Monitoring Tool

PROVIDES

Fundamental spatial

framework

throughhellip

Comprehensive and

consistent products

So as tohellip

Strategize monitoring

design

and

Inform management

decisions

Management and

Conservation

Biological and

Physical Monitoring

Habitat Mapping

Optical Imaging

Commercial Satellites Bathymetric LiDAR (0 ndash 30 m) (0 ndash 70 m) Multispectral Bathymetry Pseudo -bathymetry Backscatter

Acoustical Imaging

Interferometric Sidescan Swath bathymetry Fish Acoustics (1 ndash 30 m) (10 ndash 1000 m) (10 ndash 1000 m) Bathymetry Bathymetry Backscatter Backscatter

15 GPS photo-id points collected

Survey grade GPS occupation of benchmarks and horizontal datum

recomputed NAD83 (2005)

Reposition NOAA n autical chart based IKONOS imagery and NTM data

Orthorectify satellite imagery 1m horizontal accuracy CEP 95

httpwwwsoesthawaiiedupibhmcpibhmc_pria_pal_bathyhtm

Mapping as a Monitoring Tool

PROVIDES

Fundamental spatial

framework

throughhellip

Comprehensive and

consistent products

So as tohellip

Strategize monitoring

design

and

Inform management

decisions

Management and

Conservation

Biological and

Physical Monitoring

Habitat Mapping

Optical Imaging

Commercial Satellites Bathymetric LiDAR (0 ndash 30 m) (0 ndash 70 m) Multispectral Bathymetry Pseudo -bathymetry Backscatter

Acoustical Imaging

Interferometric Sidescan Swath bathymetry Fish Acoustics (1 ndash 30 m) (10 ndash 1000 m) (10 ndash 1000 m) Bathymetry Bathymetry Backscatter Backscatter

15 GPS photo-id points collected

Survey grade GPS occupation of benchmarks and horizontal datum

recomputed NAD83 (2005)

Reposition NOAA n autical chart based IKONOS imagery and NTM data

Orthorectify satellite imagery 1m horizontal accuracy CEP 95

httpwwwsoesthawaiiedupibhmcpibhmc_pria_pal_bathyhtm

Optical Imaging

Commercial Satellites Bathymetric LiDAR (0 ndash 30 m) (0 ndash 70 m) Multispectral Bathymetry Pseudo -bathymetry Backscatter

Acoustical Imaging

Interferometric Sidescan Swath bathymetry Fish Acoustics (1 ndash 30 m) (10 ndash 1000 m) (10 ndash 1000 m) Bathymetry Bathymetry Backscatter Backscatter

15 GPS photo-id points collected

Survey grade GPS occupation of benchmarks and horizontal datum

recomputed NAD83 (2005)

Reposition NOAA n autical chart based IKONOS imagery and NTM data

Orthorectify satellite imagery 1m horizontal accuracy CEP 95

httpwwwsoesthawaiiedupibhmcpibhmc_pria_pal_bathyhtm

15 GPS photo-id points collected

Survey grade GPS occupation of benchmarks and horizontal datum

recomputed NAD83 (2005)

Reposition NOAA n autical chart based IKONOS imagery and NTM data

Orthorectify satellite imagery 1m horizontal accuracy CEP 95

httpwwwsoesthawaiiedupibhmcpibhmc_pria_pal_bathyhtm

httpwwwsoesthawaiiedupibhmcpibhmc_pria_pal_bathyhtm

Shallow-water Benthic Habitat Mapping

-

-

Palmyra Atoll from Space

IKONOS 1 meter Multispectral

Collected 122001

QuickBird 05 meter Multispectral

Collected 22006 to 92009

NOAAs Mapping Approach for Tropical Marine Environments

Key Topics

bull Overview of Mapping Methods

bull Mapping Standards

bull Habitat Classification Scheme

bull Five Step Mapping Process

bull Assessment of Thematic Accuracy

of Palmyra Products

rsquo

Overview of Mapping Methods

bull Delineation of habitat boundaries by visual

interpretation of remotely sensed imagery

bull Heads up digitizing (Computer Screen)

bull GIS shapefile format

bull Using NOAA Habitat digitizing extension

Mapping Standards

Spatial Quality

QAQC

Thematic Accuracy

Spatial Quality

bull Imagery acquired processed and provided by Contractor

bull Digitizing accuracy (1 meter RMS)

bull Digitized at scale of 16000 or Less

bull Accuracy assessment GPS (lt5 meters)

GPS Spatial Control

Trimble Geo XH L1 Data Logger Differentially post-processed

To Azhtech Z-Extreme Base Station Using NOAA OPUS

95 sigma RMS Error (m)

GPS Accuracy 108

GPS Precision 096

n=141

Navigation Accuracy 136

Navigation Precision 111

n=20

QAQC

bull Void polygons

bull Overlapping polygons

bull MMU 1 acre or less

bull Clean polygons

bull Adjacency

bull Concatenated field

bull Standardized table format

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

NOAAs Mapping Approach for Tropical Marine Environments

Key Topics

bull Overview of Mapping Methods

bull Mapping Standards

bull Habitat Classification Scheme

bull Five Step Mapping Process

bull Assessment of Thematic Accuracy

of Palmyra Products

rsquo

Overview of Mapping Methods

bull Delineation of habitat boundaries by visual

interpretation of remotely sensed imagery

bull Heads up digitizing (Computer Screen)

bull GIS shapefile format

bull Using NOAA Habitat digitizing extension

Mapping Standards

Spatial Quality

QAQC

Thematic Accuracy

Spatial Quality

bull Imagery acquired processed and provided by Contractor

bull Digitizing accuracy (1 meter RMS)

bull Digitized at scale of 16000 or Less

bull Accuracy assessment GPS (lt5 meters)

GPS Spatial Control

Trimble Geo XH L1 Data Logger Differentially post-processed

To Azhtech Z-Extreme Base Station Using NOAA OPUS

95 sigma RMS Error (m)

GPS Accuracy 108

GPS Precision 096

n=141

Navigation Accuracy 136

Navigation Precision 111

n=20

QAQC

bull Void polygons

bull Overlapping polygons

bull MMU 1 acre or less

bull Clean polygons

bull Adjacency

bull Concatenated field

bull Standardized table format

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Overview of Mapping Methods

bull Delineation of habitat boundaries by visual

interpretation of remotely sensed imagery

bull Heads up digitizing (Computer Screen)

bull GIS shapefile format

bull Using NOAA Habitat digitizing extension

Mapping Standards

Spatial Quality

QAQC

Thematic Accuracy

Spatial Quality

bull Imagery acquired processed and provided by Contractor

bull Digitizing accuracy (1 meter RMS)

bull Digitized at scale of 16000 or Less

bull Accuracy assessment GPS (lt5 meters)

GPS Spatial Control

Trimble Geo XH L1 Data Logger Differentially post-processed

To Azhtech Z-Extreme Base Station Using NOAA OPUS

95 sigma RMS Error (m)

GPS Accuracy 108

GPS Precision 096

n=141

Navigation Accuracy 136

Navigation Precision 111

n=20

QAQC

bull Void polygons

bull Overlapping polygons

bull MMU 1 acre or less

bull Clean polygons

bull Adjacency

bull Concatenated field

bull Standardized table format

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Mapping Standards

Spatial Quality

QAQC

Thematic Accuracy

Spatial Quality

bull Imagery acquired processed and provided by Contractor

bull Digitizing accuracy (1 meter RMS)

bull Digitized at scale of 16000 or Less

bull Accuracy assessment GPS (lt5 meters)

GPS Spatial Control

Trimble Geo XH L1 Data Logger Differentially post-processed

To Azhtech Z-Extreme Base Station Using NOAA OPUS

95 sigma RMS Error (m)

GPS Accuracy 108

GPS Precision 096

n=141

Navigation Accuracy 136

Navigation Precision 111

n=20

QAQC

bull Void polygons

bull Overlapping polygons

bull MMU 1 acre or less

bull Clean polygons

bull Adjacency

bull Concatenated field

bull Standardized table format

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Spatial Quality

bull Imagery acquired processed and provided by Contractor

bull Digitizing accuracy (1 meter RMS)

bull Digitized at scale of 16000 or Less

bull Accuracy assessment GPS (lt5 meters)

GPS Spatial Control

Trimble Geo XH L1 Data Logger Differentially post-processed

To Azhtech Z-Extreme Base Station Using NOAA OPUS

95 sigma RMS Error (m)

GPS Accuracy 108

GPS Precision 096

n=141

Navigation Accuracy 136

Navigation Precision 111

n=20

QAQC

bull Void polygons

bull Overlapping polygons

bull MMU 1 acre or less

bull Clean polygons

bull Adjacency

bull Concatenated field

bull Standardized table format

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

GPS Spatial Control

Trimble Geo XH L1 Data Logger Differentially post-processed

To Azhtech Z-Extreme Base Station Using NOAA OPUS

95 sigma RMS Error (m)

GPS Accuracy 108

GPS Precision 096

n=141

Navigation Accuracy 136

Navigation Precision 111

n=20

QAQC

bull Void polygons

bull Overlapping polygons

bull MMU 1 acre or less

bull Clean polygons

bull Adjacency

bull Concatenated field

bull Standardized table format

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

QAQC

bull Void polygons

bull Overlapping polygons

bull MMU 1 acre or less

bull Clean polygons

bull Adjacency

bull Concatenated field

bull Standardized table format

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Six Layered Classification Scheme for Coral Reef Habitat Maps

1) Coral Reef Zone

2) Major Geomorphologic Structure

3) Detailed Geomorphologic Structure

4) Major Biological Cover

5) Detailed Biological Cover

6) Percent Live Coral

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Habitat Scheme Zonation

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

Five Step Mapping Process

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Step 1

Using the NOAA digitizing extension

delineate as many habitat boundaries as possible

Draft I Map

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Step 2 Generate random stratified AA points

and select GV points

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Selected to

explore specific habitat types

Ground Validation Points

Points selected to examine a specific feature

Points selected across a habitat gradient

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Data Collected at Habitat Assessment Site

Site Data

Site ID

Study Area

GPS Date

GPS Time

GPS Position

GPS Statistics

Depth

Photo Information

Assessment Method

Habitat Data

Major Structure

Detailed Structure

Major Cover

Detailed Cover

Cover of Each Class

Zone

Relief

Depth

Comments

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

Video Capture System

bull Downrigger

bull UW Video Camera

bull Video Recorder

bull A to D Converter

bull Monitor

bull Static Memory

bull Inverter

View From Surface

Produce Draft II maps by editing

Draft 1 maps based on GV

information

Step 3

Step 4

Overlay AA points on draft II map

Assess Accuracy in the GIS

Summarize results in an error matrix

~ 25 AA points by habitat and structure classes

Stratified random placement using Hawthrsquos tools (n=259) NOAA Team collected AA 609

Thematic Accuracy

bull Major Structure

Accuracy 9730959 Tau

bull Detailed Structure

Accuracy 8420827 Tau

bull Major Cover

Accuracy 92089 Tau

bull Detailed Cover

Accuracy 86085 Tau

bull Live Coral

Accuracy 865083 Tau

Produce Draft II maps by editing

Draft 1 maps based on GV

information

Step 3

Step 4

Overlay AA points on draft II map

Assess Accuracy in the GIS

Summarize results in an error matrix

~ 25 AA points by habitat and structure classes

Stratified random placement using Hawthrsquos tools (n=259) NOAA Team collected AA 609

Thematic Accuracy

bull Major Structure

Accuracy 9730959 Tau

bull Detailed Structure

Accuracy 8420827 Tau

bull Major Cover

Accuracy 92089 Tau

bull Detailed Cover

Accuracy 86085 Tau

bull Live Coral

Accuracy 865083 Tau

Step 4

Overlay AA points on draft II map

Assess Accuracy in the GIS

Summarize results in an error matrix

~ 25 AA points by habitat and structure classes

Stratified random placement using Hawthrsquos tools (n=259) NOAA Team collected AA 609

Thematic Accuracy

bull Major Structure

Accuracy 9730959 Tau

bull Detailed Structure

Accuracy 8420827 Tau

bull Major Cover

Accuracy 92089 Tau

bull Detailed Cover

Accuracy 86085 Tau

bull Live Coral

Accuracy 865083 Tau

Thematic Accuracy

bull Major Structure

Accuracy 9730959 Tau

bull Detailed Structure

Accuracy 8420827 Tau

bull Major Cover

Accuracy 92089 Tau

bull Detailed Cover

Accuracy 86085 Tau

bull Live Coral

Accuracy 865083 Tau

Error matrix for detailed biological cover

Algae 10 -

lt50

Algae 50 -

lt90

Algae 90 -

100

Live Coral

50 - lt90

Live Coral

90 - 100

No Cover

50 - lt90

No Cover

90 - 100

Unclassified

NAn-j

Users

Accuracy

(5)Algae 10 -

lt500 na

Algae 50 -

lt90105 3 5 2 115 913

Algae 90 -

1005 32 37 865

Live Coral

50 - lt904 25 1 30 833

Live Coral

90 - 1003 2 5 400

No Cover

50 - lt906 1 3 10 100

No Cover

90 - 1002 1 1 50 54 926

Unclassified

NA8 8 1000

ni- 2 121 36 33 3 1 55 8 n=259

Producers

Accuracy ()00 868 889 758 667 1000 909 1000 P0 = 861

Te = 0841 plusmn 0048

Map

Data

(j)

Accuracy Assessment (i)

Confusion Matrix

Major Biological Cover Number of Polygons Area (sq km) Area ()

Algae 354 2794 5256

Live Coral 53 1918 3302

No Cover 70 758 1442

Total 477 5026 10000

Dominant Cover Type Number of Polygons Area (sq km) Area ()

Algae 10 - lt50 1 0013 025

Algae 50 - lt90 197 1900 3781

Algae 90 - 100 156 741 1473

Live Coral 50 - lt90 14 1215 2417

Live Coral 90 - 100 39 445 885

No Cover 50 - lt90 20 039 078

No Cover 90 - 100 50 685 1363

Total 477 5026 10000

Area of major biological cover types at Palmyra Atoll

Area of detailed biological cover types at Palmyra Atoll

Detailed Structure

Number of

Polygons Area (sq km) Area ()

Aggregate Reef 98 2106 4190

Aggregated Patch Reefs 32 168 335

Boulder 1 00057 0011

Individual Patch Reef 39 015 029

Mud 27 321 639

Pavement 118 1096 2180

Pavement with Sand Channels 8 378 752

Reef Rubble 112 3329 656

Sand 29 381 757

Sand with Scattered Coral and Rock 1 015 029

Spur and Groove 13 216 430

Total 477 5026 10000

Coral Cover ( Range) Number of Polygons Area (sq km) Area ()

0 - lt10 379 2316 4607

10 - lt50 46 1052 2092

50 - lt90 13 1214 2415

90 - 100 39 445 886

Total 477 5026 10000

Area of detailed geomorphologic structure types at Palmyra Atoll

Area of Percent Live Coral at Palmyra Atoll

Palmyra Project Page

httpccmanosnoaagovecosystemscoralreefpalmyra

Palmyra BIOMapper

httpccmanosnoaagovproductsbiogeographybiomapperbiomapperhtmlid=Palmyra

Major Biological Cover Number of Polygons Area (sq km) Area ()

Algae 354 2794 5256

Live Coral 53 1918 3302

No Cover 70 758 1442

Total 477 5026 10000

Dominant Cover Type Number of Polygons Area (sq km) Area ()

Algae 10 - lt50 1 0013 025

Algae 50 - lt90 197 1900 3781

Algae 90 - 100 156 741 1473

Live Coral 50 - lt90 14 1215 2417

Live Coral 90 - 100 39 445 885

No Cover 50 - lt90 20 039 078

No Cover 90 - 100 50 685 1363

Total 477 5026 10000

Area of major biological cover types at Palmyra Atoll

Area of detailed biological cover types at Palmyra Atoll

Detailed Structure

Number of

Polygons Area (sq km) Area ()

Aggregate Reef 98 2106 4190

Aggregated Patch Reefs 32 168 335

Boulder 1 00057 0011

Individual Patch Reef 39 015 029

Mud 27 321 639

Pavement 118 1096 2180

Pavement with Sand Channels 8 378 752

Reef Rubble 112 3329 656

Sand 29 381 757

Sand with Scattered Coral and Rock 1 015 029

Spur and Groove 13 216 430

Total 477 5026 10000

Coral Cover ( Range) Number of Polygons Area (sq km) Area ()

0 - lt10 379 2316 4607

10 - lt50 46 1052 2092

50 - lt90 13 1214 2415

90 - 100 39 445 886

Total 477 5026 10000

Area of detailed geomorphologic structure types at Palmyra Atoll

Area of Percent Live Coral at Palmyra Atoll

Palmyra Project Page

httpccmanosnoaagovecosystemscoralreefpalmyra

Palmyra BIOMapper

httpccmanosnoaagovproductsbiogeographybiomapperbiomapperhtmlid=Palmyra

Detailed Structure

Number of

Polygons Area (sq km) Area ()

Aggregate Reef 98 2106 4190

Aggregated Patch Reefs 32 168 335

Boulder 1 00057 0011

Individual Patch Reef 39 015 029

Mud 27 321 639

Pavement 118 1096 2180

Pavement with Sand Channels 8 378 752

Reef Rubble 112 3329 656

Sand 29 381 757

Sand with Scattered Coral and Rock 1 015 029

Spur and Groove 13 216 430

Total 477 5026 10000

Coral Cover ( Range) Number of Polygons Area (sq km) Area ()

0 - lt10 379 2316 4607

10 - lt50 46 1052 2092

50 - lt90 13 1214 2415

90 - 100 39 445 886

Total 477 5026 10000

Area of detailed geomorphologic structure types at Palmyra Atoll

Area of Percent Live Coral at Palmyra Atoll

Palmyra Project Page

httpccmanosnoaagovecosystemscoralreefpalmyra

Palmyra BIOMapper

httpccmanosnoaagovproductsbiogeographybiomapperbiomapperhtmlid=Palmyra

Palmyra Project Page

httpccmanosnoaagovecosystemscoralreefpalmyra

Palmyra BIOMapper

httpccmanosnoaagovproductsbiogeographybiomapperbiomapperhtmlid=Palmyra

NOAAs Mapping Approach for Tropical Marine Environmentsrsquo

For more information Contact

Timothy A Battista

National Oceanic and Atmospheric Administration

1305 East West Highway

Silver Spring MD USA 20910

301-713-3028 x171

TimBattistanoaagov

httpccmanosnoaagovaboutbiogeography

In Memory of Miles Anderson (1947-2010)