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Report for W00257 Locality: North Pacific Ocean Sublocality: Asuncion Island and Vicinity State(s) or Region(s): Northern Mariana Islands Start Date: 2007-05-23 End Date: 2007-06-08 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Downloads may take a long time, depending on file size and data transfer rates. Download All Products for W00257
Visit the full NCEI Bathymetry Viewer.

Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Report
Products listed in the project descriptive report (DR) may not reflect final products available through NCEI.
W00257.pdf	304.4KB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
W00257 View / Download W00257.xml		Usually presented as an XML document, which captures the basic characteristics of HSMDB metadata verified from H10000 (1982) to the present as well as F00200 (1965) to the present.

Bathymetry

Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
Bathymetric Attributed Grid (BAG) Data
The BAG format is a gridded, multi-dimensional bathymetric data file (see Open Navigation Surface). Readable with various applications such as the free CARIS Easy View, ESRI ArcGIS or open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty.
W00257_MB_16m_MLLW_5of5.bag	162.8KB
W00257_MB_1m_MLLW_1of5.bag	3.90MB
W00257_MB_8m_MLLW_4of5.bag	0.82MB
W00257_MB_2m_MLLW_2of5.bag	2.25MB
W00257_MB_4m_MLLW_3of5.bag	0.85MB
NOAA/NOS Sounding Data
Download data from the Point Store database via NEXT (NCEI Extract System). Point soundings are from the survey Smooth Sheet or of similar density. Depths in meters. Vertical datum is (converted to) Mean Lower Low Water if possible. Please check the associated metadata to confirm the correct datums. The data file format is : SurveyID, Long, Lat, Depth.
W00257		XYZ format.

Images

GeoImagePDF
W00257_GeoImage.pdf	13.73MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.

Survey Metadata

Survey Summary

Locality Sublocality State or Region North Pacific Ocean Asuncion Island and Vicinity Northern Mariana Islands

Start Date End Date Approval Date 2007-05-23 2007-06-08 2013-05-22

Project Number Project Name Purpose OSD-AHB-12 Outside Source Data Surveys - 2012 Update Nautical Chart(s)

Source of Original Data and License Information

License Information This data is licensed under a Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0-1.0). View the license deed. View the legal code.

Reference System Information

Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water World Geodetic System (WGS) 1984 Projected UTM 55 10000

Survey Tide Stations COOPS Tide Station ID No Tide Station Used

Affected Products

ENCs RNCs 530 50

Survey Equipment

Vessel(s) Chief(s) of Party NOAA R/V AHI

Manufacturer Model Instrument Type Seabird-Seacat SBE 19 CTD Profiler Conductivity Temperature and Depth Reson SeaBat 8101 MBES CNAV DGPS Receiver Satellite DGPS Applanix TSS POS/MV 320 GPS Receiver Satellite GPS

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Source Data Not Available