{"action":"create","ckan_id":null,"date_created":"Mon, 01 Sep 2025 21:45:03 GMT","date_finished":null,"harvest_job_id":"6ce03e0a-cc57-4d44-836c-30e9fe186066","harvest_source_id":"83c1a3f8-53a6-470a-8a1f-3b06ef3ea26c","id":"aa254631-2e92-4aa7-a349-206bacd62f3c","identifier":"https://data.noaa.gov/waf/NOAA/nos/coops/iso/xml/71336.xml","parent_identifier":null,"source_hash":"0b74d834678693ba15a2843ef97fb358c717afe9ca3ef4a9344bc54661a6eb4c","source_raw":"\r\n \r\n gov.noaa.nmfs.inport:71336\r\n \r\n \r\n eng\r\n \r\n \r\n UTF8\r\n \r\n \r\n dataset\r\n \r\n \r\n mixed\r\n \r\n \r\n \r\n \r\n Center for Operational Oceanographic Products and Services\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n resourceProvider\r\n \r\n \r\n \r\n \r\n \r\n \r\n Stakeholder Services Branch\r\n \r\n \r\n \r\n \r\n \r\n \r\n 301-713-2815\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n tide.predictions@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n pointOfContact\r\n \r\n \r\n \r\n \r\n 2024-02-29T00:00:00\r\n \r\n \r\n ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data\r\n \r\n \r\n ISO 19115-2:2009(E)\r\n \r\n \r\n \r\n \r\n topology1D\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n EPSG::4269\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n EPSG::4326\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Air Gap Data from CO-OPS\r\n \r\n \r\n Air Gap\r\n \r\n \r\n \r\n \r\n 2004-11\r\n \r\n \r\n creation\r\n \r\n \r\n \r\n \r\n \r\n \r\n 2004-11\r\n \r\n \r\n publication\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA/NMFS/EDM\r\n \r\n \r\n \r\n \r\n \r\n 71336\r\n \r\n \r\n \r\n \r\n \r\n \r\n None\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.fisheries.noaa.gov/inport/item/71336\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n Full Metadata Record\r\n \r\n \r\n View the complete metadata record on InPort for more information about this dataset.\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://tidesandcurrents.noaa.gov/\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n Home page for Tides and Currents\r\n \r\n \r\n CO-OPS main page\r\n \r\n \r\n download\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n The Center for Operational Oceanographic Products and Services (CO-OPS) of the National Ocean Service (NOS), an organizational element of NOAA, operates and maintains a network of downward-looking long-range microwave sensors for determining the instantaneous clearance or air gap below bridges that span navigable waterways in the U.S. These observations are part of the National Physical Oceanographic Real-Time System (PORTS) Program. The data collected are used to ensure safety of navigation, improve economic efficiency, and protect coastal resources. Included in this data collection are preliminary 6-minute air gap observations from various bridges spanning navigable waterways in the U.S.\r\n \r\n \r\n The mission of NOAA's National Ocean Service's (NOS) Center for Operational Oceanographic Products and Services (CO-OPS) is to provide the national infrastructure, and the scientific and technical expertise to monitor, assess, and distribute tide, water level, tidal current, meteorological and other coastal oceanographic products and services necessary to support NOAA's mission.\r\n \r\n \r\n NOAA's National Ocean Service, CO-OPS, and the PORTS Partnerships\r\n \r\n \r\n onGoing\r\n \r\n \r\n \r\n \r\n Stakeholder Services Branch\r\n \r\n \r\n \r\n \r\n \r\n \r\n 301-713-2815\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n tide.predictions@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n pointOfContact\r\n \r\n \r\n \r\n \r\n \r\n \r\n Stakeholder Services Branch\r\n \r\n \r\n \r\n \r\n \r\n \r\n 301-713-2815\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n tide.predictions@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n custodian\r\n \r\n \r\n \r\n \r\n \r\n \r\n asNeeded\r\n \r\n \r\n \r\n \r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > CALIFORNIA\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > DELAWARE\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > FLORIDA\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > GEORGIA\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > LOUISIANA\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MARYLAND\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW JERSEY\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW YORK\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > PENNSYLVANIA\r\n \r\n \r\n CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > SOUTH CAROLINA\r\n \r\n \r\n place\r\n \r\n \r\n \r\n \r\n Global Change Master Directory (GCMD) Location Keywords\r\n \r\n \r\n \r\n 17.0\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n AMI > Active Microwave Instrument\r\n \r\n \r\n instrument\r\n \r\n \r\n \r\n \r\n Global Change Master Directory (GCMD) Instrument Keywords\r\n \r\n \r\n \r\n 17.2\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Air Gap\r\n \r\n \r\n PORTS > Physical Oceanographic Real-Time System\r\n \r\n \r\n theme\r\n \r\n \r\n \r\n \r\n \r\n \r\n DOC/NOAA/NOS/CO-OPS > Center for Operational Oceanographic Products and Services, National Ocean Service, NOAA, U.S. Department of Commerce\r\n \r\n \r\n dataCentre\r\n \r\n \r\n \r\n \r\n Global Change Master Directory (GCMD) Data Center Keywords\r\n \r\n \r\n \r\n \r\n 2017-04-24\r\n \r\n \r\n publication\r\n \r\n \r\n \r\n \r\n 8.5\r\n \r\n \r\n \r\n \r\n NASA Goddard Space Flight Center, Earth Science Data and Information System\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords\r\n \r\n \r\n Global Change Master Directory (GCMD) Keywords\r\n \r\n \r\n The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n custodian\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n CO-OPS Metadata Library\r\n \r\n \r\n project\r\n \r\n \r\n \r\n \r\n InPort\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n Cite As: Center for Operational Oceanographic Products and Services, [Date of Access]: Air Gap Data from CO-OPS [Data Date Range], https://www.fisheries.noaa.gov/inport/item/71336.\r\n \r\n \r\n \r\n \r\n \r\n \r\n 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.\r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n Access Constraints: none\r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n Use Constraints: The air gap systems have been created by NOAA/NOS to provide the maritime community with improved information of bridge clearances. These real-time data are accurate to within +/- 1 inch. They are released for limited public use as preliminary data to be used only with appropriate caution when clearing the bridge.\r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n Distribution Liability: The air gap systems have been created by NOAA/NOS to provide the maritime community with improved information of bridge clearances. These real-time data are accurate to within +/- 1 inch. They are released for limited public use as preliminary data, to be used only with appropriate caution when clearing the bridge.\r\n \r\n \r\n \r\n \r\n \r\n \r\n unclassified\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA Data Management Plan (DMP)\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA/NMFS/EDM\r\n \r\n \r\n \r\n \r\n \r\n 71336\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.fisheries.noaa.gov/inportserve/waf/noaa/nos/co-ops/dmp/pdf/71336.pdf\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n NOAA Data Management Plan (DMP)\r\n \r\n \r\n NOAA Data Management Plan for this record on InPort.\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n crossReference\r\n \r\n \r\n \r\n \r\n vector\r\n \r\n \r\n eng; US\r\n \r\n \r\n oceans\r\n \r\n \r\n Observed data are recorded and transmitted; then go through a quality control procedure and are loaded into a database.\r\n \r\n \r\n \r\n \r\n \r\n \r\n -123\r\n \r\n \r\n -74\r\n \r\n \r\n 27\r\n \r\n \r\n 41\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n | Currentness: Ground Condition\r\n 2004-11-01\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Air gap data are provided through the Physical Oceanographic Real-Time System (PORTS (trademark)) partnership. Under the appropriation specific to PORTS (trademark), CO-OPS manages services for data ingestion, processing, 24-hour real-time monitoring and dissemination of the data.\r\n\r\nAir gap data and surrounding tides, currents, and meteorological conditions help vessel pilots safely enter and leave many seaports. This information is critical for pilots to safely navigate a ship under a bridge, especially as U.S. seaports grow and vessels continue to increase in size.\r\n \r\n \r\n \r\n \r\n \r\n \r\n false\r\n \r\n \r\n eng\r\n \r\n \r\n false\r\n \r\n \r\n \r\n \r\n Latest detailed information on sensors and accuracy can be found at: https://tidesandcurrents.noaa.gov/publications/CO-OPS_Measurement_Spec.pdf\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://tidesandcurrents.noaa.gov/publications/CO-OPS_Measurement_Spec.pdf\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n Entity Attribute Detail URL\r\n \r\n \r\n Entity Attribute Detail URL\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Center for Operational Oceanographic Products and Services\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://tidesandcurrents.noaa.gov/\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n Tides and Currents\r\n \r\n \r\n Website listed for Center for Operational Oceanographic Products and Services\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n https://tidesandcurrents.noaa.gov//\r\n \r\n \r\n \r\n \r\n distributor\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://tidesandcurrents.noaa.gov/ports_info.html\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n https://tidesandcurrents.noaa.gov/ports_info.html\r\n \r\n \r\n Viewable graphics on HTML pages.\r\n \r\n \r\n download\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://api.tidesandcurrents.noaa.gov/api/prod/\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n https://api.tidesandcurrents.noaa.gov/api/prod/\r\n \r\n \r\n Download present or historical air gap data, in CSV, JSON or XML format.\r\n \r\n \r\n download\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://tidesandcurrents.noaa.gov/map/\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n https://tidesandcurrents.noaa.gov/map/\r\n \r\n \r\n An interactive map with many features designed to provide a quick and easy way to find a Center for Operational Oceanographic Products and Services (CO-OPS) station, including Air Gap data. The map can be used to view and/or download data from real-time observations, historical observations, and predictions of tides and tidal currents, though air gap data is limited to viewing the values from yesterday and today, without download capability.\r\n \r\n \r\n download\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://tidesandcurrents.noaa.gov/api-helper/url-generator.html\r\n \r\n \r\n WWW:LINK-1.0-http--link\r\n \r\n \r\n https://tidesandcurrents.noaa.gov/api-helper/url-generator.html\r\n \r\n \r\n This application builds a URL based off of inputted parameters that links to our various APIs. It can be used to make a link that returns data. Select one of the following to begin.\r\n \r\n \r\n download\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n dataset\r\n \r\n \r\n \r\n \r\n \r\n \r\n Accuracy\r\n \r\n \r\n The air gap systems have been created by NOAA/NOS to provide the maritime community with improved information of bridge clearances. These real-time data are accurate to within +/- 1 inch. They are released for limited public use as preliminary data, to be used only with appropriate caution when clearing the bridge.\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Completeness Measure\r\n \r\n \r\n For CO-OPS to adhere to its goal of reliable operation of PORTS and dissemination of quality data, this requires no more than five (5) percent down time or malfunction of any of its systems. This dictates that PORTS be maintained rigorously by personnel with the required expertise.\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Completeness Report\r\n \r\n \r\n Raw data have not been subjected to the National Ocean Service's quality control or quality assurance procedures and do not meet the criteria and standards of official National Ocean Service data. They are released for limited public use as preliminary data to be used only with appropriate caution.\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Air gap observations are collected at a high frequency and updated for the public every six minutes to account for changes in water level, vehicular loads on the bridge, air temperature, and other factors.\r\n \r\n \r\n \r\n \r\n downward-looking long-range microwave sensors for determining the instantaneous clearance or air gap below bridges that span navigable waterways in the U.S.\r\n \r\n \r\n 2004-11-01T00:00:00\r\n \r\n \r\n \r\n \r\n Center for Operational Oceanographic Products and Services\r\n \r\n \r\n processor\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Air Gap Data Source\r\n \r\n \r\n \r\n \r\n \r\n National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Center for Operational Oceanographic Products and Services (CO-OPS)\r\n \r\n \r\n publisher\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n 2004-11\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n","source_transform":null,"status":"error"}