1999 RoxAnn Data Points from Apalachicola Bay, Florida
Data Set (DS) | Office for Coastal Management (OCM)GUID: gov.noaa.nmfs.inport:47882 | Updated: May 30, 2023 | Published / External
Item Identification
Title: | 1999 RoxAnn Data Points from Apalachicola Bay, Florida |
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Short Name: | fl_ab99_rox-meta |
Status: | Completed |
Publication Date: | 2001-05-09 |
Abstract: |
The Apalachicola Bay National Estuarine Research Reserve and the NOAA Office for Coastal Management worked together to map benthic habitats within Apalachicola Bay, Florida. The bay and the lower portions of four distributaries were surveyed on 11-22 October 1999 using three benthic sampling techniques. This data set represents the information gathered from a RoxAnn acoustic sensor. The instrument was used to characterize bottom type by extracting data on bottom roughness and bottom hardness from the primary and secondary sounder echoes. The data is classified on-the-fly, using the Sediment Profile Images and grab samples collected for field validation, and subject to a post-processing classification. The RoxAnn data points were exported into a geographic information system (GIS) and post-processed to remove unreliable data points and re-classified. This data set is comprised of the cleaned, attributed point data. The attributes include location, date, time, depth, field derived classification, and the classification derived from post-processing the data. Original contact information: Contact Org: NOAA Office for Coastal Management Phone: 843-740-1202 Email: coastal.info@noaa.gov |
Purpose: |
This data set was collected to supplement the SPI and grab sample data by providing information on the bottom between the SPI and grab stations. |
Notes: |
10039 |
Keywords
Theme Keywords
Thesaurus | Keyword |
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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 |
biota
|
ISO 19115 Topic Category |
environment
|
UNCONTROLLED | |
None | Acoustic |
None | benthic mapping |
None | Environmental Monitoring |
None | National Estuarine Research Reserve |
None | OCM Benthic Habitat Mapping |
None | oysters |
None | RoxAnn |
None | SAV |
Spatial Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Location Keywords |
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > FLORIDA
|
UNCONTROLLED | |
None | Apalachicola Bay |
None | Florida |
None | Gulf Coast Florida |
Physical Location
Organization: | Office for Coastal Management |
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City: | Charleston |
State/Province: | SC |
Data Set Information
Data Set Scope Code: | Data Set |
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Maintenance Frequency: | None Planned |
Data Presentation Form: | Map (digital) |
Distribution Liability: |
While every effort has been made to ensure that these data are accurate and reliable within limits of the state of the art, NOAA will not assume any liability for damages caused by any inaccuracies in these data, or failure in their use. |
Support Roles
Data Steward
Date Effective From: | 2001-05-09 |
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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: | 2001-05-09 |
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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: | 2001-05-09 |
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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: | 2001-05-09 |
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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 |
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Extent Group 1
Extent Group 1 / Geographic Area 1
W° Bound: | -85.221802 | |
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E° Bound: | -84.733803 | |
N° Bound: | 29.805416 | |
S° Bound: | 29.597982 |
Extent Group 1 / Time Frame 1
Time Frame Type: | Discrete |
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Start: | 1999-10 |
Spatial Information
Spatial Representation
Representations Used
Vector: | Yes |
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Vector Representation 1
Point Object Present?: | Yes |
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Point Object Count: | 109967 |
Access Information
Security Class: | Unclassified |
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Data Access Procedure: |
Single beam acoustic data points (RoxAnn) collected in Apalachicola Bay, Florida on October 11 to 22, 1999.For information about obtaining these data, please visit the project home page at http://www.coast.noaa.gov/benthic/data/gulf/apa.htm; |
Data Access Constraints: |
None |
Data Use Constraints: |
It is the responsibility of the user to determine the appropriate use of the data product. The depth data has not been corrected and should not be used for navigation. |
Distribution Information
Distribution 1
Download URL: | ftp://ftp.coast.noaa.gov/pub/benthic/Single_Beam_Acoustic_Data/FL_ApalachicolaBay_rox.zip |
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Distributor: | |
File Name: | Bulk Download |
Description: |
FTP download of data files. |
URLs
URL 1
URL: | https://coast.noaa.gov/ |
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Name: | NOAA's Office for Coastal Management (OCM) website |
URL Type: |
Online Resource
|
Description: |
Information on the NOAA Office for Coastal Management (OCM) |
Activity Log
Activity Log 1
Activity Date/Time: | 2017-03-30 |
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Description: |
Date that the source FGDC record was last modified. |
Activity Log 2
Activity Date/Time: | 2017-11-14 |
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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: | 2018-02-08 |
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Description: |
Partial upload of Positional Accuracy fields only. |
Activity Log 4
Activity Date/Time: | 2018-04-11 |
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Description: |
Partial upload to move data access FTP links to Distribution Info and remove broken URLs. |
Technical Environment
Description: |
ArcView version 3.3 shapefile format |
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Data Quality
Accuracy: |
This data is accurate to field conditions in October 1999. The depth points have not been corrected for tide and wind variables. |
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Horizontal Positional Accuracy: |
Stations were located in the field using a differential Global Positioning System (GPS). Not verified. |
Vertical Positional Accuracy: |
Not applicable |
Completeness Report: |
Data is complete. |
Conceptual Consistency: |
The data were collected with the RoxAnn acoustic sensor in a geographic projection. The field database was exported from RoxMap software as a text file. Unreliable data points (i.e. data with impossible bathymetry) were deleted. Using ArcInfo, the point data were converted to both a shapefile and coverage, and reprojected to UTM Zone 17 WGS 84 Meters. |
Lineage
Sources
RoxAnn Data Points
Contact Name: | Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office for Coastal Management (OCM) |
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Publish Date: | 2001-05-09 |
Extent Type: | Range |
Extent Start Date/Time: | 1999-10-11 |
Extent End Date/Time: | 1999-10-22 |
Source Contribution: |
Unknown | Source Geospatial Form: map | Type of Source Media: Unknown |
Process Steps
Process Step 1
Description: |
In October of 1999, the RoxAnn acoustic sensor was deployed along a predetermined grid pattern with approximately 1000 meter spacing. The RoxAnn system analyzes two acoustic signals, bottom roughness (E1) and bottom hardness (E2). The ratios of these two measurements were calibrated in the field to known bottom types. Ground-truthing the measurements in the field was accomplished by underwater video, grab samples and SPI imagery. The field database was exported from the RoxMap software as a text file. Unreliable data points indicated by impossible bathymetry data or repeating values were removed (i.e. depths in excess of 3 meters). In addition, series of identical points were reduced to the initial value and the remaining points from the data set. The 25 original field derived classes developed in the field varied in level of descriptiveness. These overlapping and varying classifications were grouped to seven general classes - sand, silt, oyster reef, shell, SAV, clay and unknown. |
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Process Date/Time: | 1999-10-11 00:00:00 |
Catalog Details
Catalog Item ID: | 47882 |
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GUID: | gov.noaa.nmfs.inport:47882 |
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 |