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Report for H12405 Locality: Nushigak Bay Sublocality: Mouth of Igushik River State(s) or Region(s): Alaska Start Date: 2012-06-04 End Date: 2012-08-15 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download times vary depending on file size and data transfer rates. Download All Products for H12405
Visit the full NCEI Bathymetry Viewer.

Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Report & Survey Metadata
Products listed in the project descriptive report (DR) may not reflect final products available through NCEI.
H12405.pdf	2.88MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO Metadata Record
H12405 View / Download H12405.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.
H12405_VB_4m_MLLW_1of1.bag	2.95MB
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. Horizontal datum is (converted to) NAD83 if possible. 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.
H12405		XYZ format.

Images

GeoImagePDF
H12405_GeoImage.pdf	3.21MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12405 in IMLGS (pre-1989 samples)		Search NOAA/NOS seabed samples submitted to IMLGS through NMNH (pre-1989). Modern survey bottom samples are not currently viewable on a map service.
NOAA/NOS bottom sample document in PDF or ASC format
H12405_BottomSamples.ascii	505 Bytes	NOAA/NOS bottom sample document in PDF or ASC format.
H12405_BottomSamples.kml.gz	0.6KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12405.tn.pdf	49.9KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-R306-KR-12(H12405).jpg	180.8KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-R306-KR-12_DAPR.pdf	5.25MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Nushigak Bay Mouth of Igushik River Alaska

Start Date End Date Approval Date 2012-06-04 2012-08-15 2013-07-18

Project Number Project Name Purpose OPR-R306-KR-12 Nushigak Bay and Approaches, Alaska Update Nautical Chart(s)

Source of Original Data and License Information

License Information These data were produced under contract with NOAA and any potential copyright was assigned to NOAA. NOAA waives any potential copyright and related rights in these data worldwide through the 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 North American Datum 1983 Projected UTM 4N 40000

Affected Products

Survey Equipment

Manufacturer Model Instrument Type Teledyne Odom Hydrographic Echotrac CV100 SBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Raw and Processed 8.342 2013-08-30 BATHYMETRY