Humboldt Bay, California Benthic Habitats 2009 Geodatabase
Data Set (DS) | Office for Coastal Management (OCM)GUID: gov.noaa.nmfs.inport:47853 | Updated: May 30, 2023 | Published / External
Summary

Short Citation
Office for Coastal Management, 2025: Humboldt Bay, California Benthic Habitats 2009 Geodatabase, https://www.fisheries.noaa.gov/inport/item/47853.
Full Citation Examples
Humboldt Bay is the largest estuary in California north of San Francisco Bay and represents a significant resource for the
north coast region. Beginning in 2007 the Office for Coastal Management began collaborating with the California SeaGrant program and
other local partners to support an ecosystem-based management (EBM) project for Humboldt Bay. One element of this project was to
develop subtidal habitat goals for the long-term management of the bay and provide a framework for conservation and management across
the land-sea interface. The imagery collection and benthic habitat delineation for Humboldt Bay were essential to the development of
subtidal goals and implementation of EBM for the region. Together, these efforts will provide important and replicable data and an
information framework for ecosystem-based coastal and marine conservation planning and implementation. 12 Bit 4 Band imagery was
collected in June,2009 within 1 hour of either side of a minus one (-1) foot tide with low turbidity,low wind,low sun angle and no cloud cover. The horizontal spatial accuracy of the imagery is within +/- 3 meters CE95 of position on the ground and was captured at a spatial resolution (pixel size) of 0.54m x 0.54m. The imagery was tiled and named according to the existing USGS digital ortho quarter quad boundaries (ex. Arcata_South_NE.tif). A small buffer (~100 m) was produced with each tile to prevent gaps in coverage. Habitat features were interpreted and digitized on screen in an ARCGIS Geodatabase 9.3 resulting in accurate and efficient 3D extraction of the data. Habitats were delineated with a high level of detail with the minimum mapping unit (MMU) being 0.01 hectares(approx.10m x 10m).
Original contact information:
Contact Org: NOAA Office for Coastal Management
Phone: 843-740-1202
Email: coastal.info@noaa.gov
Distribution Information
-
FTP download of data files.
Data is available upon request
None
Controlled Theme Keywords
BENTHIC, COASTAL, environment, ESTUARY
Child Items
No Child Items for this record.
Contact Information
Point of Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov
Metadata Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov
Extents
-124.391793° W,
-124.003949° E,
40.964791° N,
40.539057° S
2009-06-27
Item Identification
Title: | Humboldt Bay, California Benthic Habitats 2009 Geodatabase |
---|---|
Short Name: | ca_hb09-geodatabase_Metadata |
Status: | Completed |
Publication Date: | 2015 |
Abstract: |
Humboldt Bay is the largest estuary in California north of San Francisco Bay and represents a significant resource for the north coast region. Beginning in 2007 the Office for Coastal Management began collaborating with the California SeaGrant program and other local partners to support an ecosystem-based management (EBM) project for Humboldt Bay. One element of this project was to develop subtidal habitat goals for the long-term management of the bay and provide a framework for conservation and management across the land-sea interface. The imagery collection and benthic habitat delineation for Humboldt Bay were essential to the development of subtidal goals and implementation of EBM for the region. Together, these efforts will provide important and replicable data and an information framework for ecosystem-based coastal and marine conservation planning and implementation. 12 Bit 4 Band imagery was collected in June,2009 within 1 hour of either side of a minus one (-1) foot tide with low turbidity,low wind,low sun angle and no cloud cover. The horizontal spatial accuracy of the imagery is within +/- 3 meters CE95 of position on the ground and was captured at a spatial resolution (pixel size) of 0.54m x 0.54m. The imagery was tiled and named according to the existing USGS digital ortho quarter quad boundaries (ex. Arcata_South_NE.tif). A small buffer (~100 m) was produced with each tile to prevent gaps in coverage. Habitat features were interpreted and digitized on screen in an ARCGIS Geodatabase 9.3 resulting in accurate and efficient 3D extraction of the data. Habitats were delineated with a high level of detail with the minimum mapping unit (MMU) being 0.01 hectares(approx.10m x 10m). Original contact information: Contact Org: NOAA Office for Coastal Management Phone: 843-740-1202 Email: coastal.info@noaa.gov |
Purpose: |
The data was developed to support ecosystem based management in the Humboldt Bay region. The focus of the mapping was on shallow water benthic habitats with particular concern for eelgrass meadows. |
Notes: |
10011 |
Supplemental Information: |
The study area covers Arcata (North) Bay, Entrance Bay, South Bay and the Eel River Delta, Humboldt County, California.
This file geodatabase contains three feature layers corresponding to the CMECS 2012 Geoform, Substrate, and Biotic components. These layers were converted from an earlier version classified according to the System for Classifying Habitats in Estuarine and Marine Environments (SCHEME) using the CMECS Crosswalk Tool. Each feature layer has its own metadata record describing the attributes, and data development methods associated with it. |
Keywords
Theme Keywords
Thesaurus | Keyword |
---|---|
Global Change Master Directory (GCMD) Science Keywords |
EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > BENTHIC
|
Global Change Master Directory (GCMD) Science Keywords |
EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > COASTAL
|
Global Change Master Directory (GCMD) Science Keywords |
EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > ESTUARY
|
ISO 19115 Topic Category |
environment
|
UNCONTROLLED | |
None | Benthic |
None | Biotic Component |
None | CMECS |
None | Coastal and Marine Ecological Classification Standard |
None | Environmental Monitoring |
None | Geoform Component |
None | Habitat |
None | NOAA |
None | Substrate Component |
None | UC Sea Grant |
Spatial Keywords
Thesaurus | Keyword |
---|---|
Global Change Master Directory (GCMD) Location Keywords |
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > CALIFORNIA
|
UNCONTROLLED | |
None | Arcata Bay |
None | California |
None | Eel River Delta |
None | Entrance Bay |
None | Humboldt Bay |
None | South Bay |
None | U.S. |
Physical Location
Organization: | Office for Coastal Management |
---|---|
City: | Charleston |
State/Province: | SC |
Data Set Information
Data Set Scope Code: | Data Set |
---|---|
Maintenance Frequency: | As Needed |
Data Presentation Form: | Map (digital) |
Distribution Liability: |
NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose. |
Support Roles
Data Steward
Date Effective From: | 2015 |
---|---|
Date Effective To: | |
Contact (Organization): | NOAA Office for Coastal Management (NOAA/OCM) |
Address: |
2234 South Hobson Ave Charleston, SC 29405-2413 |
Email Address: | coastal.info@noaa.gov |
Phone: | (843) 740-1202 |
URL: | https://coast.noaa.gov |
Distributor
Date Effective From: | 2015 |
---|---|
Date Effective To: | |
Contact (Organization): | NOAA Office for Coastal Management (NOAA/OCM) |
Address: |
2234 South Hobson Ave Charleston, SC 29405-2413 |
Email Address: | coastal.info@noaa.gov |
Phone: | (843) 740-1202 |
URL: | https://coast.noaa.gov |
Metadata Contact
Date Effective From: | 2015 |
---|---|
Date Effective To: | |
Contact (Organization): | NOAA Office for Coastal Management (NOAA/OCM) |
Address: |
2234 South Hobson Ave Charleston, SC 29405-2413 |
Email Address: | coastal.info@noaa.gov |
Phone: | (843) 740-1202 |
URL: | https://coast.noaa.gov |
Point of Contact
Date Effective From: | 2015 |
---|---|
Date Effective To: | |
Contact (Organization): | NOAA Office for Coastal Management (NOAA/OCM) |
Address: |
2234 South Hobson Ave Charleston, SC 29405-2413 |
Email Address: | coastal.info@noaa.gov |
Phone: | (843) 740-1202 |
URL: | https://coast.noaa.gov |
Extents
Currentness Reference: | Ground Condition |
---|
Extent Group 1
Extent Group 1 / Geographic Area 1
W° Bound: | -124.391793 | |
---|---|---|
E° Bound: | -124.003949 | |
N° Bound: | 40.964791 | |
S° Bound: | 40.539057 |
Extent Group 1 / Time Frame 1
Time Frame Type: | Discrete |
---|---|
Start: | 2009-06-27 |
Access Information
Security Class: | Unclassified |
---|---|
Data Access Constraints: |
Data is available upon request |
Data Use Constraints: |
None |
Distribution Information
Distribution 1
Download URL: | ftp://ftp.coast.noaa.gov/pub/benthic/Benthic_Cover_Data/CA_HumboldtBay.zip |
---|---|
Distributor: | |
File Name: | Bulk Download |
Description: |
FTP download of data files. |
URLs
URL 1
URL: | https://iocm.noaa.gov/cmecs |
---|---|
Name: | CMECS Home Page |
URL Type: |
Online Resource
|
Description: |
Information and resources on the CMECS standard and how to apply it |
URL 2
URL: | http://www.cmecscatalog.org/ |
---|---|
Name: | CMECS Catalog |
URL Type: |
Online Resource
|
Description: |
Searchable online catalog of CMECS units, descriptions, and source references |
URL 3
URL: | https://coast.noaa.gov/digitalcoast/ |
---|---|
Name: | NOAA's Office for Coastal Management (OCM) Digital Coast Data section |
URL Type: |
Online Resource
|
Description: |
The website provides not only coastal data, but also the tools, training, and information needed to make these data truly useful. Content comes from many sources, all of which are vetted by NOAA. |
URL 4
URL: | https://coast.noaa.gov/ |
---|---|
Name: | NOAA's Office for Coastal Management (OCM) website |
URL Type: |
Online Resource
|
Description: |
Information on the NOAA Office for Coastal Management (OCM) |
URL 5
URL: | https://coast.noaa.gov/data/Images/Collections/BenthicCover_thumbnail.jpg |
---|---|
Name: | Browse Graphic |
URL Type: |
Browse Graphic
![]() |
File Resource Format: | JPEG |
Description: |
Sample of benthic cover data |
Activity Log
Activity Log 1
Activity Date/Time: | 2017-03-30 |
---|---|
Description: |
Date that the source FGDC record was last modified. |
Activity Log 2
Activity Date/Time: | 2017-11-14 |
---|---|
Description: |
Converted from FGDC Content Standard for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details. |
Activity Log 3
Activity Date/Time: | 2018-04-11 |
---|---|
Description: |
Partial upload to move data access FTP links to Distribution Info and remove broken URLs. |
Catalog Details
Catalog Item ID: | 47853 |
---|---|
GUID: | gov.noaa.nmfs.inport:47853 |
Metadata Record Created By: | Anne Ball |
Metadata Record Created: | 2017-11-14 12:57+0000 |
Metadata Record Last Modified By: | SysAdmin InPortAdmin |
Metadata Record Last Modified: | 2023-05-30 18:09+0000 |
Metadata Record Published: | 2018-04-11 |
Owner Org: | OCM |
Metadata Publication Status: | Published Externally |
Do Not Publish?: | N |
Metadata Last Review Date: | 2018-04-11 |
Metadata Review Frequency: | 1 Year |
Metadata Next Review Date: | 2019-04-11 |