Originator: NOAA National Ocean Service (NOS) Special Projects
Publication_Date: same as above
Publication_Time: same as above
Title: same as above
Publication_Information:
Publication_Place: same as above
Publisher: same as above
Online_Linkage: same as above
Description:
Abstract:
This is a high-resolution (3m) bathymetric grid with negative z values. The data were collected by the USF Center for Coastal Ocean Mapping with the Kongsberg Simrad EM 3000 multibeam system (Co-chief Scientists, David Naar and Brian Donahue). An Applanix POSMV 320 V3 system was used for real-time positions and vessel attitude (heading, pitch, roll, and heave). An AML (Applied Microsystems LTD.) SV plus was used to measure sound velocities in the water column. The data were collected in Fagatele Bay on November 10th, 2002 aboard a Motor Vessel Lady Ana.
Purpose:
This grid is a base layer for the purposes of visual overlay and comparison with other data sets around Tutuila and subsequent spatial analyses.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20021107
Ending_Date: 20030607
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -170.775030
East_Bounding_Coordinate: -170.757960
North_Bounding_Coordinate: -14.358282
South_Bounding_Coordinate: -14.375030
Keywords:
Theme:
Theme_Keyword_Thesaurus: none
Theme_Keyword: bathymetry
Theme_Keyword: echosounding
Theme_Keyword: grid
Theme_Keyword: seafloor
Theme_Keyword: multibeam
Theme_Keyword: base layer
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: SW Pacific
Place_Keyword: Samoa
Place_Keyword: American Samoa
Place_Keyword: Tutuila
Place_Keyword: island
Place_Keyword: Pacific Islands GIS
Place_Keyword: Fagatele Bay
Access_Constraints: none
Use_Constraints: NOT for navigational purposes!!!
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dawn Wright
Contact_Organization: Fagatele Bay National Marine Sanctuary
Contact_Position: Collaborator
Contact_Address:
Address_Type: mailing and physical address
Address: 104 Wilkinson Hall, Oregon State University Geosciences
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.2.0.700
Cross_Reference:
Citation_Information:
Originator: Emily Lundblad, Oregon State Univ.
Publication_Date: June 7, 2004
Title:
The Development and Application of Benthic Classifications for Coral Reef Ecosystems Below 30 m Depth using Multibeam Bathymetry: Tutuila, American Samoa
Soundings have been "cleaned" with a 2nd standard deviation filter to flag outliers (i.e., points beyond the 2nd standard deviation in Simrad bin stat post processing were flagged or removed). Tidal corrections: NOAA, verified, downloaded tide data, preliminary pressure water level data (N1) data are in meters above MLLW datum from station 1770000, Pago Pago, AS. Data have not yet been corrected with differential GPS.
Logical_Consistency_Report:
These data are believed to be logically consistent, though no tests were performed.
Positional_Accuracy:
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
Tidal corrections: NOAA, verified, downloaded tide data, preliminary pressure water level data (N1) data are in meters above MLLW datum from station 1770000, Pago Pago, AS.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Emily Lundblad, Oregon State Univ.
Originator: Brian Donahue, Univ. of S. Florida
Originator: Dawn Wright, Oregon State Univ.
Publication_Date: 20040607
Title:
Simrad EM-3000 Multibeam Bathymetry Grid, Fagatele Bay, American Samoa
Edition: 1
Geospatial_Data_Presentation_Form: map
Publication_Information:
Publication_Place: Tutuila, American Samoa
Publisher: Fagatele Bay National Marine Sanctuary Office