Short Citation:
Office of National Marine Sanctuaries, 2021: Continuous bottom temperature measurements in strategic areas of the Florida Reef Tract, https://www.fisheries.noaa.gov/inport/item/40000.

Item Identification

Title: Continuous bottom temperature measurements in strategic areas of the Florida Reef Tract
Short Name: FKNMS_Thermographs
Status: Completed
Publication Date: 2010-10
Abstract:

This ongoing project began in 1988. A total of 38 subsurface recording thermographs have been deployed in the Florida Keys National Marine Sanctuary (FKNMS) and at other selected locations on the Florida Reef Tract and associated hydrologic ecosystems. These instruments were originally programmed to record at 2 hour intervals, and are placed in permanent housings attached to suitable substrate. Data retrieval, servicing and reprogramming for continuous deployment have occurred, on average, annually. The collected data are made available to FKNMS Managers and others who monitor and assess environmental conditions that influence FKNMS areas of the Florida Reef Tract. The most recent round of data from each station is available on web sites, while an archival copy of these, plus older data, are maintained and available from the US National Oceanic Data Center (NODC) web site.

Purpose:

The purpose of this project is to document bottom seawater temperature in strategic areas of the Florida Reef Tract on a continuing basis and make that information available to management and research user groups. These thermographs provide valuable information regarding temperature conditions on the sea floor, which indicate the actual environmental exposures for benthic organisms. These data are complementary to sea surface temperatures obtained through other monitoring networks.

Notes:

1349

Supplemental Information:

Only the most recent sets of data from the monitoring stations are encompassed by this metadata. Older data sets are archived at the NOAA National Oceanic Data Center (NODC). The generic link structure for seeing one or more NODC archival data collections is http://data.nodc.noaa.gov/accesssion/####### where ####### is the 7 digit NODC accession number (leading zeros are not required, though). Multiple accessions can be returned using one URL by separating multiple accession numbers with a comma (no spaces). These 3 links below provide quick access to older records of FKNMS temperature data. http://data.nodc.noaa.gov/accession/2616,12845,2749,2750,39469,2757,39533,2753,19351,2781,39481,39817,2785,14184,39818,10426,39881,2788,14185,2789,14266,2806,14267 http://data.nodc.noaa.gov/accession/14320,2809,14268,29107,11143,39973,13553,11144,20554,12739,39986,2748,14269,14271,39240,14270,39239,2658,12769,40080,14121 http://data.nodc.noaa.gov/accession/13148,20553,13726,13114,14272,13166,14273,2772,39226,2786,39880,2807,10585,39987,10576,39899,13096,40039,14120

Keywords

Theme Keywords

Thesaurus Keyword
ISO 19115 Topic Category environment
ISO 19115 Topic Category geoscientificInformation
ISO 19115 Topic Category oceans
NOS Data Explorer Topic Category Environmental Monitoring
None temperature
None thermograph

Temporal Keywords

Thesaurus Keyword
None 1996
None 1997
None 1998
None 1999
None 2000
None 2001
None 2002
None 2003
None 2004
None 2005
None 2006
None 2007
None 2008
None 2009
None 2010
None present
None Sept 1995

Spatial Keywords

Thesaurus Keyword
None 7-Mile Bridge
None Alligator Reef
None Bahia Honda
None Boca Grande Channel
None Broad Creek
None Bullard Bank
None Cape Florida
None Card Sound
None Carysfort Reef
None Dome Reef
None Dry Tortugas
None Florida Keys
None Fowey Rocks
None Grecian Rocks
None Harbor Key Bank
None Hens & Chickens Reef
None Key West Channel
None Long Key
None Looe Key Reef
None Molasses Reef
None New Ground Shoal
None Nine Foot Shoal
None Sand Key
None Smith Shoal
None Snake Creek
None Sombrero Reef
None Sprigger Bank
None Tennessee Reef
None Triumph Reef
None Western Sambo Reef

Stratum Keywords

Thesaurus Keyword
None benthic
None bottom
None reef
None sea floor

Physical Location

Organization: Office of National Marine Sanctuaries
City: Silver Spring
State/Province: MD

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: Irregular
Entity Attribute Overview:

Temperatures are recorded from September 1995 to the present at intervals of every two hours. The span of data available from any single location varies according to deployment dates. The units also date and time stamp each observation. Beginning with re-deployments in Sept 2010, the units internal clock is set within one second of the official US time in UTC (http://www.time.gov/) and the sampling period has been reduced to every 10 minutes. For each deployment location, water depth is measured to the apparent sea surface and then corrected for tide stage to mean sea level. Thermograph locations are reported in decimal degrees of latitude and longitude rounded to the nearest tenth of a minute.

Entity Attribute Detail Citation:

NA

Distribution Liability:

NOAA/ONMS/FKNMS retains the right to analyze, synthesize and publish summaries of the FKNMS system-wide monitoring data. The PIs retain the right to be fully credited for having collected and processed the data. Following academic courtesy standards, the PIs and FKNMS sanctuary where the data were collected will be contacted and fully acknowledged in any subsequent publications in which any part of the data are used. Manuscripts resulting from the NOAA/FKNMS supported monitoring that are produced for publication in open literature, including refereed scientific journals, will acknowledge that the monitoring was conducted under the sponsorship of Florida Keys National Marine Sanctuary, Office of National Marine Sanctuaries, National Ocean Service, National Oceanic and Atmospheric Administration. The data set provided within this package/transmission is only as good as the quality assurance/quality control procedures outlined by the associated metadata reporting statement. The user bears all responsibility for its subsequent use/misuse in any further analyses or comparisons. The Federal government does not assume liability to the Recipient or third persons, nor will the Federal government reimburse or indemnify the Recipient for its liability due to any losses resulting in any way from the use of this data.

Data Set Credit: Harold Hudson Jeff Anderson Alicia Ferrer Bill Goodwin Scott Donahue Michael Buchman

Support Roles

Data Steward

CC ID: 497024
Date Effective From: 2010-10
Date Effective To:
Contact (Position): FKNMS GIS Coordinator
Address: 33 East Quay Road
Key West, FL 33040
Email Address: floridakeys@noaa.gov
Phone: 305-809-4700
Fax: 305-293-5011

Distributor

CC ID: 497026
Date Effective From: 2010-10
Date Effective To:
Contact (Position): FKNMS GIS Coordinator
Address: 33 East Quay Road
Key West, FL 33040
Email Address: floridakeys@noaa.gov
Phone: 305-809-4700
Fax: 305-293-5011

Metadata Contact

CC ID: 497027
Date Effective From: 2010-10
Date Effective To:
Contact (Position): FKNMS GIS Coordinator
Address: 33 East Quay Road
Key West, FL 33040
Email Address: floridakeys@noaa.gov
Phone: 305-809-4700
Fax: 305-293-5011

Point of Contact

CC ID: 497025
Date Effective From: 2010-10
Date Effective To:
Contact (Position): FKNMS GIS Coordinator
Address: 33 East Quay Road
Key West, FL 33040
Email Address: floridakeys@noaa.gov
Phone: 305-809-4700
Fax: 305-293-5011

Extents

Currentness Reference: Publication Date

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 497030
W° Bound: -83.067
E° Bound: -81.096
N° Bound: 25.671
S° Bound: 24.452

Extent Group 1 / Time Frame 1

CC ID: 497029
Time Frame Type: Continuing
Start: 2005-09

Spatial Information

Spatial Representation

Representations Used

Vector: Yes

Vector Representation 1

CC ID: 587312
Point Object Present?: Yes
Point Object Count: 37

Access Information

Security Class: Unclassified
Data Access Constraints:

None

Data Use Constraints:

NOAA/ONMS/FKNMS retains the right to analyze, synthesize and publish summaries of the FKNMS system-wide monitoring data. The PIs retain the right to be fully credited for original data generation. Following academic courtesy standards, the PIs (plus the FKNMS where the data were collected) must be contacted regarding any publications, and must be fully acknowledged in any publications in which any part of the data are used. Manuscripts resulting from the NOAA/FKNMS supported monitoring that are produced for publication in open literature, including refereed scientific journals, will acknowledge that the monitoring was conducted under the sponsorship of Florida Keys National Marine Sanctuary, Office of National Marine Sanctuaries, National Ocean Service, National Oceanic and Atmospheric Administration. The data set provided within this package/transmission is only as good as the quality assurance/quality control procedures outlined by the associated metadata reporting statement. The user bears all responsibility for its subsequent use/misuse in any further analyses or comparisons. The Federal government does not assume liability to the Recipient or third persons, nor will the Federal government reimburse or indemnify the Recipient for its liability due to any losses resulting in any way from the use of this data.

Metadata Access Constraints:

none

Metadata Use Constraints:

none

URLs

URL 1

CC ID: 497020
URL: http://floridakeys.noaa.gov/research_monitoring/thermo.html
URL Type:
Online Resource

URL 2

CC ID: 497021
URL: http://floridakeys.noaa.gov/
URL Type:
Online Resource

URL 3

CC ID: 497022
URL: http://www.nodc.noaa.gov/
URL Type:
Online Resource

URL 4

CC ID: 497023
URL: http://floridakeys.noaa.gov/research_monitoring/thermo.html
URL Type:
Browse Graphic
File Resource Format: JPEG
Description:

This is a map which portrays the station locations of all thermographs deployments, plus links to graphs of recent data and downloadable copies of the individual station data.

Activity Log

Activity Log 1

CC ID: 497089
Activity Date/Time: 2011-06-14
Description:

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 497088
Activity Date/Time: 2017-04-05
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

CC ID: 587310
Activity Date/Time: 2017-09-13
Description:

Partial upload of Spatial Info section only.

Activity Log 4

CC ID: 601938
Activity Date/Time: 2017-11-01
Description:

Replaced entire Lineage section to populate new Source Contribution field.

Activity Log 5

CC ID: 718818
Activity Date/Time: 2018-02-08
Description:

Partial upload of Positional Accuracy fields only.

Data Quality

Accuracy:

A set of five thermographs were immersed in a circulating water bath within an insulated cooler, and set to record observations every 10 minutes for 40 hours. The maximum difference for every observation period was calculated. The maximum of these values, and the average, were then determined and used as potential indicators of in situ performance. The results of this assessment suggest that observations are valid, minimally, to +/- 0.01 degrees Centigrade, the average largest deviation among the five units. Specifications from the manufacturer follow: Measurement Range Temperature: -5 to +35 degrees Centigrade Initial Accuracy Temperature: + or - 0.002 degrees Centigrade Typical Stability Temperature: 0.0002 degrees Centigrade/month Resolution Temperature: 0.0001 degrees Centigrade Clock 5 seconds/month accuracy Recalibration by the manufacturer of two units suggests that, given the age of these thermographs, residual drift (instrument temperature - bath temperature) has stabilized to values on the order of +/- 0.0001 degrees Centigrade. | Quantitative Value: temerature: minimaly to + or - 0.01 degrees Centigrade | Quantitative Test Explanation: The SeaBird SBE 39 is a high-accuracy temperature recorder with internal battery and non-volatile memory for deployment at depths up to 10500 m (34,400 ft). The SBE 39 is intended for moorings or other long-term, fixed-site applications. Calibration coefficients are stored in EEPROM, and uploaded data is in ASCII engineering units (degrees Centigrade). The 39's thermistor has a long history of exceptional accuracy and stability; drift is typically less than 0.002 degrees Centigrade per year. With an external thermistor, the SBE 39 has a 0.5-second time constant, for fast sampling.

Horizontal Positional Accuracy:

Positions are reported only to the nearest 0.1 of a minute latitude and longitude.; Quantitative Value: 180.0 meters, Test that produced the value: No test conducted. Locations are only reported to the nearest 0.1 of a minute in latitude and longitude

Vertical Positional Accuracy:

At most deployments, depth is measured with a measuring tape from the thermograph to the apparent sea surface. This measurement is then corrected for tide stage at the time of measurement to estimate depth below Mean Sea Level.; Quantitative Value: 0.5 meters, Test that produced the value: No test of depth accuracy has been conducted. Accuracy depends primarily on sea state and atmospheric pressure. The value listed is merely an estimate.

Completeness Report:

Omissions in the data stream from any particular station may occur due to loss of battery power to record observations. Gaps will also occur during refurbishment of thermographs at a given station. Records prior to and post-deployment are removed from the data stream. Any erroneous records (e.g., negative values) are also removed from the data stream.

Conceptual Consistency:

NA

Lineage

Sources

Continuous bottom temperature measurements in strategic areas of the Florida Reef Tract

CC ID: 601939
Contact Name: Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office of National Marine Sanctuaries (ONMS), Florida Keys National Marine Sanctuary (FKNMS), Michael Buchman comp.
Publish Date: 2010-10-01
Extent Type: Continuing
Extent Start Date/Time: 2005-09
Citation URL: http://floridakeys.noaa.gov/
Source Contribution:

Downloaded data contain date, time and temperature. These data are preceded by standard unit specific information (e.g., programming specifications, calibration coefficients). | Source Geospatial Form: tabular digital data accessed through an on-line atlas | Type of Source Media: Data are stored to the unit's non-volatile FLASH memory and the retrieved using the manufacturers software.

Process Steps

Process Step 1

CC ID: 601940
Description:

Temperature observations (along with date and time) are downloaded from each SBE39 thermograph unit using Seaterm terminal software from the manufacturer (Sea-Bird Electronics, www.seabird.com)in an ASCII file. The raw, ASCII data is first archived to CD-ROM, and then examined for errors and loss of battery power. The date and time stamp of observations are checked against the deployment log book and any observations prior to deployment and after retrieval are removed from the ASCII file. Erroneous records(e.g., negative values), and records just prior to battery failure are similarly removed. The raw output file is imported into an MS Excel spreadsheet, and a time series graph of temperature is produced. A jpeg image of that graph is then saved. The trimmed ASCII file and the jpeg image file are then posted to the web site

Catalog Details

Catalog Item ID: 40000
Metadata Record Created By: Tyler Christensen
Metadata Record Created: 2017-04-05 14:27+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2019-06-04 13:14+0000
Metadata Record Published: 2018-02-08
Owner Org: ONMS
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Next Review Date: 2019-02-09