Catch-In-Areas Main
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Dates
Metadata Date | May 15, 2025 |
---|---|
Metadata Created Date | October 19, 2024 |
Metadata Updated Date | May 24, 2025 |
Reference Date(s) | September 2, 2015 (publication) |
Frequency Of Update | daily |
Metadata Source
- ISO-19139 ISO-19139 Metadata
Harvested from NMFS AKRO
Additional Metadata
Resource Type | Dataset |
---|---|
Metadata Date | May 15, 2025 |
Metadata Created Date | October 19, 2024 |
Metadata Updated Date | May 24, 2025 |
Reference Date(s) | September 2, 2015 (publication) |
Responsible Party | (Point of Contact, Custodian) |
Contact Email | |
Guid | gov.noaa.nmfs.inport:27363 |
Access Constraints | Cite As: Alaska Regional Office, [Date of Access]: Catch-In-Areas Main [Data Date Range], https://www.fisheries.noaa.gov/inport/item/27363., Access Constraints: None, Use Constraints: None, Distribution Liability: Confidential Fisheries Data |
Bbox East Long | -129 |
Bbox North Lat | 69 |
Bbox South Lat | 47 |
Bbox West Long | -180 |
Coupled Resource | |
Frequency Of Update | daily |
Harvest Object Id | 2bf541ef-696c-44af-855b-b8ddb10b5b09 |
Harvest Source Id | 4461dba7-fc74-401a-8a38-13caddf3aaa5 |
Harvest Source Title | NMFS AKRO |
Licence | 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. |
Lineage | Observed Fleet We begin by separating VMS records as observed catch or unobserved. A record is considered observed when the federal observer logs the deploy time and retrieve time of a haul. The VMS records are processed when the vessel-id and date-time are within the observed times. Unobserved Fleet A portion of the fishing fleet is unobserved because they are too small, are within a gray area of being a partially observed, or simply do not require a federal observer. Many of these vessels only report the state statistical area where they fished and time period (in days) when they were fishing. Almost all of these vessels are required to carry VMS though. Instead of attempting to build a line based on unobserved VMS data where data may be sparse and spread-out, we instead depend on the VMS-points intersected onto the grid-id feature class. After the lines are created, they are moved back to SQL Server and intersected onto the Grid Area GIS feature class. This spatial intersect operations splits each line into parts that are referenced by the grid IDs. The Catch-In-Area database attributes catch based on the effort a vessel spends fishing. In order to apply the effort, we divide the line length [by grid id] by the total line length. This gives us the proportion of the line falling into each grid id. In affect the Catch-In-Areas is an effort based product. Data is spatially intersected onto Grid and then joined to V_CAS_Primary_All using a precise matching algorithm. The final table includes data from five tables [V_CAS_TXN_PRIMARY_ALL] .V_ELPR_VWPR_PRODUCT .V_ELLR_SLOG_PRODUCT .V_OBS_HAUL .V_VMS_VESSEL_LOCATION .V_OBS_HAUL_SPECIES_ALL] |
Metadata Language | eng |
Metadata Type | geospatial |
Old Spatial | {"type": "Polygon", "coordinates": [[[-180.0, 47.0], [-129.0, 47.0], [-129.0, 69.0], [-180.0, 69.0], [-180.0, 47.0]]]} |
Progress | completed |
Spatial Data Service Type | |
Spatial Reference System | |
Spatial Harvester | True |
Temporal Extent Begin | 2003 |
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