SeaBeam SeaBeam imaging side-scanning sonar -- Hawaii (Big Island)
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IDENTIFICATION_INFORMATION
Citation:
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Title: SeaBeam SeaBeam imaging side-scanning sonar -- Hawaii (Big Island)
Edition:
Geospatial_Data_Presentation_Form: Map
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Description:
Abstract:
cbeam83.shp is a shapefile made from the NOS bathymetric
soundings created from the SeaBeam imaging device, with
sampling rates from 10 to 30 seconds along the track. The
original data sets in this shapefile were pulled from the
NOS GEODAS database cdrom. A
listing of the NOS reference numbers includes:
HYD9303022076, HYD9303022077, HYD9303022078, HYD9303022079,
HYD9303022081, HYD9303022082, HYD9303022083, HYD9303022084,
HYD9303022085, HYD9303022086, HYD9303022087, HYD9303022088,
HYD9303022089, HYD9303022090, HYD9303022091, HYD9303022092,
HYD9303022093, HYD9303022094, HYD9303022095, HYD9303032059,
HYD9303032060, HYD9303032061, HYD9303032062
Horizontal position determined by GPS in some cases, by
loranC in others.
North American Datum 1983;
Bathymetry in meters from Mean Lower Low Water;
SEABEAM GENERAL INSTRUMENTS 16 Beams 12 KHZ
1Corrected, Vertical-cast Sound Velocity Table 91248-0000.VEL;
NOS Pacific Hydro Section - standard SEABEAM processing.
This data is a subset of SEABEAM file. 5
Beams of actual data were extracted from each return.
Sampling rate varies from 10 to 30 seconds along track.
The projection is geographic, the units are decimal degrees,
the soundings are in meters, and the horizontal positioning
accuracy is variable, but assumed to be within 20 meters
for GPS and within 50 meters for LoranC.
Purpose:
Supplemental_Information:
Source seabeam83.txt contains a concatenated set of data
from the SeaBeam imaging side-scanning sonar that were
collected after 1984 in meters and referenced to the NAD 83
datum. Horizontal position accuracy is unknown for all data
sets, but presumably better for this set than earlier ones.
Time_Period_of_Content:
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Currentness_Reference:
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Continually
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -158.0253
East_Bounding_Coordinate: -154.9704
North_Bounding_Coordinate: 20.0514
South_Bounding_Coordinate: 18.4094
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Place_Keyword: Hawaii
Place_Keyword: Main Hawaiian Islands
Place_Keyword: US
Place_Keyword: Pacific Ocean
Theme_Keyword: Hawaii
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Hawaii
Place_Keyword: Main Hawaiian Islands
Place_Keyword: US
Place_Keyword: Pacific Ocean
Access_Constraints:
Use_Constraints:
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Fisheries
Contact_Person: Michael Parke
Contact_Position: GIS Coordinator
Contact_Address:
Address_Type: mailing and physical address
Address: 2570 Dole Street
City: Honolulu
State_or_Province: HI
Postal_Code: 96828
Country: USA
Contact_Voice_Telephone: 808 983 5389
Contact_Facsimile_Telephone:
Contact_Electronic_Mail_Address: Michael.Parke@noaa.gov
Hours_of_Service:
Native_Data_Set_Environment:
ArcView version 3.2 shapefile format
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