12616
Bathymetric Position Index (BPI) Zones Grid Derived from Gridded Bathymetry for Select U.S. Coral Reef Locations across the Pacific Ocean
BPI Zones
Data Set
Published / External
12598
Geomorphology
Project
Completed
2018
Bathymetric Position Index (BPI) Zones are derived for islands and banks across the U.S. Pacific Islands Region from a focal mean analysis on bathymetry and slope, and were created using the Benthic Terrain Modeler. Cell values represent one of 4 classes (crest, depression, flat, slope) in an index of seafloor terrains.
The grids are based primarily on gridded multibeam bathymetry collected aboard NOAA Ships Hi'ialakai and Oscar Elton Sette and aboard R/V AHI (Acoustic Habitat Investigator) from 2003 to 2012 by the PIFSC Ecosystem Sciences Division (ESD). Other sources of available data used to derive BPI Zones for a few locations include estimated depths derived from IKONOS satellite imagery from 2000 to 2002, LIDAR data from 2001 and 2007, and multibeam bathymetry collected in 2001 and 2002.
The BPI Zone grid generated for each location is available via the Pacific Islands Benthic Habitat Mapping Center (PIBHMC) website. The data, maps, layer files, and detailed documentation (more specific than this pacific-wide record) about the data sources and data processing steps used are included in the zip file for each location.
Prepared by the PIFSC Ecosystem Sciences Division (ESD) and funded by the NOAA Coral Reef Conservation Program (CRCP), the data were derived in support of CRCP goals to map all U.S. coral reef ecosystems by developing high-resolution benthic maps to characterize priority reefs and associated habitats. This derivative of bathymetry provides a GIS layer that may be used for benthic and essential fish habitat characterization, and for the study of geologic features. By combining the dataset with bathymetry, backscatter, other derivatives, and in situ data, they collectively compose benthic habitat maps which are designed to be used to understand and predict benthic habitats for different organisms that inhabit coral reef ecosystems.
These maps were made possible with funding from the CRCP, and additional support was received from the NOAA Habitat Blueprint for the West Hawaii Focus Area.
Weiss, A. D. 2001. Topographic positions and landforms analysis (Conference Poster). ESRI International User Conference., San Diego, CA July 9â13. https://www.jennessent.com/downloads/tpi-poster-tnc_18x22.pdf
The source bathymetry data collected and gridded by PIFSC Ecosystem Sciences Division (ESD) are documented and hosted separately on the Pacific Islands Benthic Habitat Mapping Center (PIBHMC) website.
Theme
ISO 19115 Topic Category
elevation
Theme
CRCP Project
467
Theme
CRCP Project
Benthic Habitat Mapping and Characterization in the Pacific Islands Region
Theme
CRCP Project
Mapping and EcoSpatial Information Products to Support Coral Reef Ecosystem Management in the Pacific Islands Region
Theme
CoRIS Discovery Thesaurus
Geographic Information > Bathymetry
Theme
CoRIS Theme Thesaurus
EARTH SCIENCE > Biosphere > Aquatic Habitat > Benthic Habitat
Theme
CoRIS Theme Thesaurus
EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat
Theme
CoRIS Theme Thesaurus
EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Mapping > Habitat Mapping
Theme
CoRIS Theme Thesaurus
EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Mapping > geomorphology Mapping
Theme
CoRIS Theme Thesaurus
EARTH SCIENCE > Oceans > Bathymetry/Seafloor Topography > Bathymetric Position Index Zones
Theme
CoRIS Theme Thesaurus
EARTH SCIENCE > Oceans > Bathymetry/Seafloor Topography > Bathymetry
Theme
CoRIS Theme Thesaurus
EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs
Theme
NODC DATA TYPES THESAURUS
seafloor topography
Theme
NODC OBSERVATION TYPES THESAURUS
GIS product
Theme
NODC OBSERVATION TYPES THESAURUS
derived products
Theme
NODC PROJECT NAMES THESAURUS
Coral Reef Conservation Program
Theme
NODC SUBMITTING INSTITUTION NAMES THESAURUS
US DOC; NOAA; NMFS; Pacific Islands Fisheries Science Center; Ecosystem Sciences Division
Theme
BPI
Theme
Bathymetric Position Index
Theme
CRED
Theme
CREP
Theme
Complexity
Theme
Coral Reef Ecosystem Division
Theme
Coral Reef Ecosystem Program
Theme
ESD
Theme
Ecosystem Sciences Division
Theme
Habitat Blueprint
Theme
Habitat Focus Area
Theme
PIBHMC
Theme
PIFSC
Theme
Pacific Islands Benthic Habitat Mapping Center
Theme
Pacific Islands Fisheries Science Center
Theme
Rugosity
Theme
Seafloor
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > Northern Mariana Islands > Northern Mariana Islands > Northern Mariana Islands ( CNMI ) (18N146E0000)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > American Samoa > American Samoa > American Samoa (14S170W0000)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Guam > Guam (13N144E0000)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaii > Hawaii > Hawaii Island (19N155W0003)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Brooks Banks (24N166W0002)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > French Frigate Shoals (24N166W0001)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Kure Atoll (28N178W0001)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Northwestern Hawaiian Islands (28N178W0000)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Pearl and Hermes Reef (27N176W0001)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaii > Kauai > Niihau Island (21N160W0001)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > Hawaiian Islands (21N157W0027)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Baker Island (00N176W0001)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Howland Island (00S176W0001)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Johnston Atoll (16N169W0001)
Spatial
CoRIS Place Thesaurus
COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Wake Atoll (19N167E0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > American Samoa > American Samoa (14S170W0000)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Baker Island > Baker Island (00N176W0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands (21N157W0027)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Hawaii Island > Hawaii Island (19N155W0003)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Niihau Island > Niihau Island (21N160W0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Howland Island > Howland Island (00S176W0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Johnston Atoll > Johnston Atoll (16N169W0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands (28N178W0000)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands > Brooks Banks (24N166W0002)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands > French Frigate Shoals (24N166W0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands > Kure Atoll (28N178W0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Northwestern Hawaiian Islands > Pearl and Hermes Reef (27N176W0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Wake Atoll > Wake Atoll (19N167E0001)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Guam > Guam (13N144E0000)
Spatial
CoRIS Place Thesaurus
OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Mariana Archipelago > Northern Mariana Islands ( CNMI ) (18N146E0000)
Spatial
NODC SEA AREA NAMES THESAURUS
Equatorial Pacific Ocean
Spatial
NODC SEA AREA NAMES THESAURUS
Marianas Trench Marine National Monument
Spatial
NODC SEA AREA NAMES THESAURUS
NW Pacific
Spatial
NODC SEA AREA NAMES THESAURUS
North Pacific Ocean
Spatial
NODC SEA AREA NAMES THESAURUS
Pacific Remote Islands Marine National Monument
Spatial
NODC SEA AREA NAMES THESAURUS
Papahanaumokuakea Marine National Monument
Spatial
NODC SEA AREA NAMES THESAURUS
Rose Atoll Marine National Monument
Spatial
NODC SEA AREA NAMES THESAURUS
South Pacific Ocean
Spatial
American Samoa
Spatial
CNMI
Spatial
Commonwealth of the Northern Mariana Islands
Spatial
Guam
Spatial
MHI
Spatial
Main Hawaiian Islands
Spatial
Mariana Islands
Spatial
Marianas
Spatial
NWHI
Spatial
Northwestern Hawaiian Islands
Spatial
PRIA
Spatial
Pacific Remote Island Areas
Spatial
West Hawaii
Stratum
Global Change Master Directory
SEA FLOOR
Pacific Islands Fisheries Science Center
Honolulu
HI
USA
Data Set
GIS dataset of raster files
None Planned
Updated the 50-m product for Wake Atoll in 2018
Map (digital)
The Bathymetric Position Index (BPI) is a measure of where a referenced location is relative to the locations surrounding it. BPI is derived from a bathymetric dataset using a topographic position index (TPI) modified by Andrew Weiss and applied in the Benthic Terrain Modeler in ArcGIS. The BPI datasets are standardized to the values of the raster dataset. A classification dictionary is created to define the number and type of classifications of seafloor characteristics. Values assigned during classification are defined within the classification dictionary and range from 1-4.
While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
PIFSC Ecosystem Sciences Division and funded by the NOAA Coral Reef Conservation Program (and the NOAA Habitat Blueprint for West Hawaii)
Not applicable
Not applicable
Not applicable
Data Set Credit
2003
Organization
NOAA Coral Reef Conservation Program
CRCP
1305 East West Highway 10th Floor
Silver Spring
MD
20910-3281
(301) 713-3155
https://coralreef.noaa.gov
Link to the NOAA Coral Reef Conservation Program website
Online Resource
Data Steward
2018
Person
Acoba, Tomoko S
tomoko.acoba@noaa.gov
1845 Wasp Blvd.
Honolulu
HI
96818
USA
(808)725-5448
8:00 am - 4:00 pm HST
email preferred
Data Steward
2015
2017
Person
Suka, Rhonda
rhonda.suka@noaa.gov
1845 Wasp Blvd.
Honolulu
HI
96818
USA
(808)725-5494
Email preferred
Distributor
2018
Person
Lichowski, Frances
frances.lichowski@noaa.gov
1845 Wasp Blvd.
Honolulu
HI
96818
USA
(808)725-5476
email preferred
Distributor
2008
2017
Person
Akridge, Michael W
michael.akridge@noaa.gov
1845 Wasp Blvd.
Honolulu
HI
96818
USA
(808)725-5483
Email preferred
Metadata Contact
2010
Person
DesRochers, Annette M
annette.desrochers@noaa.gov
1845 Wasp Blvd.
Honolulu
HI
96818
USA
(808)725-5461
8 am - 5 pm
Email preferred
Originator
2003
Organization
Pacific Islands Fisheries Science Center
PIFSC
pifsc.info@noaa.gov
1845 Wasp Blvd.
Honolulu
HI
96818
USA
808-725-5360
https://www.pifsc.noaa.gov
Pacific Island Fisheries Science Center homepage
Online Resource
8:00 a.m. - 4:30 p.m.
Point of Contact
2016
Person
DesRochers, Annette M
annette.desrochers@noaa.gov
1845 Wasp Blvd.
Honolulu
HI
96818
USA
(808)725-5461
8 am - 5 pm
Email preferred
Ground Condition
Northwestern Hawaiian Islands, including French Frigate Shoals, Pearl and Hermes Atoll, Brooks Banks and Kure Atoll.
-178.378433
-166.11682
28.453633
23.62792
Range
2000
2001
Time frame for satellite-derived estimated depths included in the bathymetry grids used to derived slope for Kure (2000-2001) and Pearl and Hermes (2001)
Range
2005
2008
Time frame for multibeam data collected by NOAA CREP included in the bathymetry grids used to derived slope for Kure, Pearl and Hermes, Brooks Banks, and French Frigate Shoals. Mapping missions include HI0501, AHI0501, HI0503, HI0507, HI0609, AHI0609, HI0612, AHI0612, HI0804, and AHI0804.
Mariana Archipelago including Guam, Rota, Tinian, Saipan, Pagan, Asuncion, Supply Reef, Sarigan, Guguan, Farallon de Pajaros, Alamagan, Agrihan, Galvez, Farallon de Medinilla, and Maug.
144.62592
145.81568649
20.03570278
13.24126317
Range
2000
2002
Time frame for satellite-derived estimated depths included in the bathymetry grid used to derived slope for Tinian.
Discrete
2001
Time frame for LiDAR data collected by NAVOO included in the bathymetry grids used to derived slope for Guam, Saipan and Tinian
Range
2003
2010
Time frame for multibeam data collected by NOAA CREP (except where noted otherwise) included in the bathymetry grids used to derived slope for several locations in the Mariana Archipelago. Mapping missions include:
2003: AHI0307 to Guam, Rota, Tinian, and Saipan
2007: AHI0702 and HI0702 to Guam, Rota, Saipan and Tinian.
2007: AHI0703 and HI0703 to Saipan, Tinian, Sarigan, Guguan, Alamagan, Pagan, Agrihan, Asuncion, Maug, Supply Reef, and Farallon de Pajaros.
2008: Apra Harbor, Guam (collected by the Naval Oceanographic Office and NOAA Office of Coast Survey)
2010: SE1002 to Guam, Rota, Galvez Bank, and Farallon de Medinilla.
Discrete
2007
Time frame for LiDAR data collected by JALBTCX included in the bathymetry grid used to derived slope for Guam.
Pacific Remote Islands Marine National Monument (PRIMNM), also known as the Pacific Remote Island Areas, including Baker, Howland, and Wake islands, and Johnston atoll.
166.59824
-159.97264
19.31627096
-0.38235459
Range
2006
2007
Time frame for multibeam data collected by NOAA CREP included in the bathymetry grids used to derived slope for the several locations in the Pacific Remote Island Areas. Mapping missions include:
2006: Mission HI0601 and AHI0601 to Howland, Baker and Johnston
2007: Mission HI0701 and AHI0701 to Wake
American Samoa, including Tutuila, Manu'a (Ofo, Olosega, and Ta'u) Islands, and Rose Atoll Marine National Monument and the National Marine Sanctuary of American Samoa including Swains Island.
-171.2186230908
-168.131605
-10.934991
-14.604747
Range
2001
2002
Time frame for additional multibeam data included in the bathymetry grid used to derived slope for Tutuila.
Discrete
2002
Time frame for satellite-derived estimated depths included in the bathymetry grids used to derived slope for the Manu'a (Ofo, Olosega and Ta'u) and Rose Atoll.
Range
2004
2006
Time frame for multibeam data collected by NOAA CREP included in the bathymetry grids used to derived slope for the several locations in American Samoa. Mapping missions include:
2004: Mission AHI0402 to Tutuila and the Manu'a (Ofo, Olosega and Ta'u)
2006: Mission AHI0602 and HI0602 to Tutuila, Rose and Swains
Main Hawaiian Islands, including West Hawaii and Niihau.
-156.100504
-155.822838
20.061727
19.772429
West Hawaii
-160.292237
-160.01701
22.056916
21.729768
Niihau
Discrete
2005
Time frame for multibeam data collected by NOAA CREP included in the bathymetry grid used to derived slope for Ni'ihau. Mapping missions include HI0504 and AHI0504.
Discrete
2012
Time frame for multibeam data collected by NOAA CREP included in the bathymetry grid used to derived slope for West Hawaii. Mapping mission includes SB1207.
Unclassified
Not applicable
Not applicable
NOAA Coral Reef Ecosystem Program (CREP) Data Sharing Recommendations, version 9.0 updated August 12, 2015:
CREP welcomes the opportunity to collaborate on research issues contributing to the scientific basis for better management of marine ecosystems. CREP has a very diverse set of field activities that generates large volumes of data using an array of data collection protocols.
The following recommendations are for your consideration as you use this data:
1) Data analyses should take all field exigencies into account. The most effective way to do this would be active collaboration with CREP principal investigators.
2) In all presentations, product releases, or publications using data generated by CREP, proper acknowledgement of both CREP and the individuals responsible for data collection is expected. Citing the DOI (if available) is preferred, a non-DOI example is listed below.
3) If you collect or generate data for the same study areas, CREP requests that you share relevant information on complimentary data collections.
4) Those receiving data are strongly urged to inform the CREP Data Management Team of any errors and discrepancies that are discovered during the course of using these data. They are further urged to bring to the attention of the Team all problems and difficulties encountered in using these data. This information is necessary in order to improve the collections and to facilitate more efficient and economical data processing and retrieval. The users are asked to supply copies of any missing data that may be located, and to provide information as to significant subsets and special aggregations of data that are developed in using the material provided.
Example citation:
"This publication makes use of data products provided by the Ecosystem Sciences Division (ESD), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), with funding support from the NOAA Coral Reef Conservation Program (CRCP). The analysis and interpretations presented here are solely that of the current authors.”
Data can be accessed online via the Pacific Islands Benthic Habitat Mapping Center website.
None
These data are not to be used for navigation purposes.
Please cite PIFSC Ecosystem Sciences Division (ESD) when using the data.
Suggested citation:
Ecosystem Sciences Division; Pacific Islands Fisheries Science Center (2018). Bathymetric Position Index (BPI) Zones Grid Derived from Gridded Bathymetry for Select U.S. Coral Reef Locations across the Pacific Ocean. Pacific Islands Benthic Habitat Mapping Center, https://www.fisheries.noaa.gov/inport/item/12616. [access date]
None
None
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/amsamoa/benthichabitatlayers/OfuOlo_5m_BPIZones.zip
OfuOlo_5m_BPIZones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Ofu and Olosega Islands that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/amsamoa/benthichabitatlayers/Rose_5m_BPIzones.zip
Rose_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Rose Atoll that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/amsamoa/benthichabitatlayers/Swains_40m_BPIZones.zip
Swains_40m_BPIZones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Swains that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/amsamoa/benthichabitatlayers/Tau_5m_BPIzones.zip
Tau_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Ta'u that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/amsamoa/benthichabitatlayers/Tutuila_5m_BPIzones.zip
Tutuila_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Tutuila that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/FDP_10m_BPIzones.zip
FDP_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Farallon de Pajaros that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/agrihan_10m_BPIzones.zip
agrihan_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Agrihan that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/alamagan_10m_BPIzones.zip
alamagan_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Alamagan that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/asuncion_10m_BPIzones.zip
asuncion_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Asuncion that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/fdm_5m_bpiz.zip
fdm_5m_bpiz.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Farallon de Medinilla that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/gal_5m_BPIzones.zip
gal_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Galvez and South Galvez Banks and Eleven-mile reef that includes specific details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/guam_5m_BPIzones.zip
guam_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Guam that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/guam_60m_BPIzones.zip
guam_60m_BPIzones.zip
Zip file containing 60-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Guam that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/guguan_10m_BPIzones.zip
guguan_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Guguan that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/maug_10m_BPIzones.zip
maug_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Maug that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/pagan_10m_BPIzones.zip
pagan_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), and metadata (TXT) specifically for Pagan that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/rota_5m_BPIzones.zip
rota_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Rota that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/rota_60m_BPIzones.zip
rota_60m_BPIzones.zip
Zip file containing 60-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Rota that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/saipan_5m_BPIzones.zip
saipan_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Saipan that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/sarigan_10m_BPIzones.zip
sarigan_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Sarigan that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/supply_10m_BPIzones.zip
supply_10m_BPIzones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Supply Reef that includes specific details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/cnmi-guam/benthichabitatlayers/tinian_5m_BPIzones.zip
tinian_5m_BPIzones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Tinian that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/mhi/benthichabitatlayers/Nii_5m_BPIZones.zip
Nii_5m_BPIZones.zip
Zip file containing Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Ni'ihau that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/mhi/benthichabitatlayers/WestHawaii_BPIzones.zip
WestHawaii_BPIzones.zip
Zip file containing Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), and ArcGIS layer (LYR) for West Hawaii, Main Hawaiian Islands, as well as the pacific-wide metadata data (XML). Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/nwhi/benthichabitatlayers/Brooks_20m_BPIZones.zip
Brooks_20m_BPIZones.zip
Zip file containing 20-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Brooks Bank that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/nwhi/benthichabitatlayers/Brooks_5m_BPIZones.zip
Brooks_5m_BPIZones.zip
Zip file containing 5-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Brooks Bank that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/nwhi/benthichabitatlayers/FFS_5m_BPIzones.zip
FFS_5m_BPIzones.zip
Zip file containing Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for French Frigate Shoals that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/nwhi/benthichabitatlayers/kure_5m_BPIzones.zip
kure_5m_BPIzones.zip
Zip file containing Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Kure that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/nwhi/benthichabitatlayers/ph_5m_BPIzones.zip
ph_5m_BPIzones.zip
Zip file containing Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Pearl and Hermes Atoll that includes specific details for the island about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/pria/benthichabitatlayers/Baker_20m_BPIZones.rar
Baker_20m_BPIZones.rar
Archive file containing 20-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Baker that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
RAR Archive
RAR
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/pria/benthichabitatlayers/Howland_40m_BPIZones.rar
Howland_40m_BPIZones.rar
Archive file containing 40-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Howland that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
RAR Archive
RAR
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/pria/benthichabitatlayers/Johnston_20m_BPIZones.rar
Johnston_20m_BPIZones.rar
Archive file containing 20-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Johnston that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
RAR Archive
RAR
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/pria/benthichabitatlayers/Wake_10m_BPIZones.zip
Wake_10m_BPIZones.zip
Zip file containing 10-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Wake that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
Zip
Zip
ftp://ftp.soest.hawaii.edu/pibhmc/website/data/pria/benthichabitatlayers/Wake_50m_BPIZones.zip
Wake_50m_BPIZones.zip
Zip file containing 50-meter Bathymetric Position Index (BPI) Zones data (ASC), maps (PDF and JPG), ArcGIS layer (LYR) and metadata (TXT) specifically for Wake that includes details about the methods, data quality, sources, etc. Arc ASCII can be converted to Arc Raster using ArcToolbox Conversion Tools (ASCII to Raster).
2018-09-12T00:00:00
Zip
Zip
https://coast.noaa.gov/digitalcoast/tools/btm
Benthic Terrain Modeler
Online Resource
HTML
by NOAA Office for Coastal Management Digital Coast.
https://www.arcgis.com/home/item.html?id=b0d0be66fd33440d97e8c83d220e7926
Benthic Terrain Modeler for ArcGIS
Online Resource
HTML
Benthic Terrain Modeler, tools for understanding and classifying the benthic environment.
https://www.coris.noaa.gov/search/rest/find/document?searchText=CRED%20AND%20title%3ABPI%20AND%20title%3Azones&start=1&max=500&f=georss&dojo.preventCache=1489436419487
Coral Reef Information System (CoRIS) Geoportal GeoRSS feed
Online Resource
Coral Reef Information System (CoRIS) Geoportal GeoRSS feed containing all metadata records associated with this catalog item (view list via Internet Explorer).
https://www.soest.hawaii.edu/pibhmc/cms/
Pacific Islands Benthic Habitat Mapping Center (PIBHMC) website
Online Resource
HTML
All data described herein are accessible through this website.
Bathymetric Position Index (BPI) Zones were derived from gridded bathymetry using the Benthic Terrain Modeler (BTM). BPI Zones are derived from a focal mean analysis on bathymetry and slope.
Spatial reference: Universal Transverse Mercator (UTM), zone varies by location.
See maps and/or individual metadata found in each location's zip file in the downloads section for specific cell size and spatial reference (UTM zone) information.
BPI values are primarily derived from gridded bathymetry data that is collected from a number of NOAA vessels using multibeam sonars. This multibeam data may be synthesized with other data including LiDAR bathymetry and IKONOS or WorldView satellite image derived bathymetry. Multibeam data collection targets waters from 20 meters to 500 meters depth. LiDAR and satellite derived bathymetry target waters less than 20 meters depth. The goal of all data collection is to collect data over the entire seafloor within the 0-500 meter depth range.
Data artifacts may exist in the individual BPI Zone datasets as a result of problems associated with the original satellite imagery or with merging satellite-derived or LIDAR bathymetry with the multibeam bathymetry. These specific issues are captured and documented with the individual files.
Horizontal positioning system: GPS C/A
Horizontal position accuracy: typically 25 meters (refer to individual metadata files for each island for specific accuracy based on data sources used)
Range resolution of sonar: varies with depth
Raw sounding resolution: varies with depth
Vertical accuracy of gridded product ~ 1% of water depth
BPI values have been determined for areas where gridded bathymetry data is available based primarily on geographic priorities set by funding sources (Tier 1 priorities set by the Coral Reef Conservation Program include the Mariana Archipelago, American Samoa, and the Main Hawaiian Islands). Areas outside these geographic priorities have been generated as time and resources have allowed. In some cases, BPI values have intentionally not been produced for areas if the underlying bathymetry is not of sufficient quality or coverage (e.g., some locations in the PRIA), or if the resulting BPI data is not meaningful (e.g., at Thirty-five and Thirty-seven Fathom Banks there was too little change in elevation to create distinct bathymetric zones using the existing classification dictionary, and as a result the entire banktops would be classified as ‘flats’).
Some gaps exist in bathymetry coverage due to hazardous conditions that prohibited access for the NOAA vessels or to limited time or funding resources.
Different BPI scalefactors were used in the focal mean analysis to derive BPI Zones for each location based on measurements of key reef features evident in the bathymetry and hillshade data. See the maps and metadata for each location for specific details.
Multibeam bathymetry data were collected by different NOAA vessels using the same or similar collection methods. All multibeam data processing was conducted in the same or similar manner by the PIFSC Ecosystem Sciences Division. The MHI bathymetry synthesis provided by the Hawaii Mapping Research Group was the source data for the Main Hawaiian Islands products.
Corrections for tide variation and vessel attitude are applied to the multibeam data and a CTD (Conductivity, Temperature, and Depth instrument) cast is performed regularly during data collection to correct for variance within the water column.
Multibeam data are tested for internal consistency; however, no effort is made to compare these data to external references or to other published data.
Yes
Unknown
Yes
No
Unknown
No Archiving Intended
Unknown
University of Hawaii School of Ocean and Earth Science and Technology, NOAA IRC and NOAA Fisheries ITS resources and assets.
The method to develop the BPI data layers are generally described in the Benthic Habitat Mapping "Overview" section of the Pacific Islands Benthic Habitat Mapping Center website.
The data are generated in ArcGIS using Spatial Analyst and the Benthic Terrain Modeler (BTM).
Bathymetric Position Index (BPI) is a second order derivative of bathymetry. The derivation evaluates elevation differences between a focal point and the mean elevation of the surrounding cells within a user defined annulus or circle. A negative value represents a cell that is lower than its neighboring cells (depressions) and a positive value represents a cell that is higher than its neighboring cells (crests). Larger numbers represent more prominent features on the seafloor, which differ greatly from surrounding areas. Flat areas or areas with a constant slope produce near-zero values. (Lundblad et al. 2006)
Benthic Terrain Modeler for ArcGIS
Environmental Systems Research Institute, Inc. (ESRI)
https://www.arcgis.com/home/item.html?id=b0d0be66fd33440d97e8c83d220e7926
Lundblad, E.R. et al. 2006. A Benthic Terrain Classification Scheme for American Samoa. Marine Geodesy, 29:89-111.
Marine Geodesy
2006-02-26
http://dx.doi.org/10.1080/01490410600738021
12617
Data Set
Bathymetric Position Index (BPI) Structures Grid Derived from Gridded Bathymetry for Select U.S. Coral Reef Locations across the Pacific Ocean
Cross Reference
32811
Data Set
Dominant Benthic Structure and Biological Cover Habitat Maps for West Maui and West Hawaii
Cross Reference
12618
Data Set
Hard and Soft Bottom Seafloor Substrate Map Derived from an Unsupervised Classification of Gridded Bathymetry Derivatives for the NOAA Habitat Blueprint West Hawaii Focus Area
Cross Reference
35021
Data Set
Hard and Soft Bottom Seafloor Substrate Maps Derived from an Unsupervised Classification of Gridded Backscatter at Select U.S. Locations in the Pacific
Cross Reference
31636
Data Set
Multi beam bathymetry and backscatter synthesis for the Main Hawaiian Islands (5 meter resolution)
Cross Reference
12615
Data Set
Rugosity Grid Derived from Gridded Bathymetry for Select U.S. Coral Reef Locations across the Pacific Ocean
Cross Reference
33579
Data Set
Scleractinian Coral Cover Maps Derived from Classified in situ Seafloor Imagery for Select U.S. Locations in the Pacific from 2001 to 2015
Cross Reference
12614
Data Set
Slope Grid Derived from Gridded Bathymetry for Select U.S. Coral Reef Locations across the Pacific Ocean
Cross Reference
gov.noaa.nmfs.inport:12616
Annette DesRochers
2012-07-12T21:50:27
SysAdmin InPortAdmin
2023-08-15T17:09:51
2017-03-13
Pacific Islands Fisheries Science Center
PIFSC
1845 Wasp Blvd.
Honolulu
HI
96818
USA
808-725-5300
http://www.pifsc.noaa.gov
8:00 a.m. - 4:30 p.m.
1001
Public
No
2017-03-13
1 Year
2018-03-13