U.S. Department of Commerce National Oceanic and Atmospheric Administration National Ocean Survey
DESCRIPTIVE REPORT
Type of Survey: Navigable Area
Registry Number: H12420
LOCALITY
State(s): Washington
General Locality: Admiralty Inlet, WA
Sub-locality: Mutiny Bay
2012
CHIEF OF PARTY
H12420 CDR James Crocker, NOAA
LIBRARY & ARCHIVES
Date: U.S. DEPARTMENT OF COMMERCE REGISTRY NUMBER: NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION HYDROGRAPHIC TITLE SHEET H12420
INSTRUCTIONS: The Hydrographic Sheet should be accompanied by this form, filled in as completely as possible, when the sheet is forwarded to the Office.
State(s): Washington
General Locality: Admiralty Inlet, WA
Sub-Locality: Mutiny Bay
Scale: 10000
Dates of Survey: 05/01/2012 to 05/15/2012
Instructions Dated: 03/26/2012
Project Number: OPR-N326-FA-12
Field Unit: NOAA Ship Fairweather
Chief of Party: CDR James Crocker, NOAA
Soundings by: Multibeam Echo Sounder
Imagery by: Multibeam Echo Sounder Backscatter
Verification by: Pacific Hydrographic Branch
Soundings Acquired in: meters at F
Remarks: The purpose of this survey is to provide contemporary surveys to update National Ocean Service (NOS) nautical charts. All separates are filed with the hydrographic data. Notes in red were generated during office processing. The processing branch concurs with all information and recommendations in the DR unless otherwise noted. Page numbering may be interrupted or non-sequential. All pertinent records for this survey, including the Descriptive Report, are archived at the National Geophysical Data Center (NGDC) and can be retrieved via http://www.ngdc.noaa.gov/. Table of Contents
A. Area Surveyed...... 1 A.1 Survey Limits...... 1 A.2 Survey Purpose...... 1 A.3 Survey Quality...... 1 A.4 Survey Coverage...... 3 A.5 Survey Statistics...... 5 B. Data Acquisition and Processing...... 6 B.1 Equipment and Vessels...... 6 B.1.1 Vessels...... 6 B.1.2 Equipment...... 7 B.2 Quality Control...... 7 B.2.1 Crosslines...... 7 B.2.2 Uncertainty...... 9 B.2.3 Junctions...... 10 B.2.4 Sonar QC Checks...... 17 B.2.5 Equipment Effectiveness...... 17 B.2.6 Factors Affecting Soundings...... 18 B.2.7 Sound Speed Methods...... 20 B.2.8 Coverage Equipment and Methods...... 20 B.2.9 IHO Uncertainty...... 20 B.2.10 Density...... 21 B.2.11 Holiday Assessment...... 21 B.3 Echo Sounding Corrections...... 21 B.3.1 Corrections to Echo Soundings...... 21 B.3.2 Calibrations...... 21 B.4 Backscatter...... 21 B.5 Data Processing...... 21 B.5.1 Software Updates...... 21 B.5.2 Surfaces...... 22 B.5.3 Data Logs...... 23 B.5.4 Critical Soundings...... 23 B.5.5 TrueHeave...... 24 B.5.6 Data Processing Deviations...... 24 B.5.7 Ellipsoidally-Referenced Surfaces...... 25 C. Vertical and Horizontal Control...... 25 C.1 Vertical Control...... 25 C.2 Horizontal Control...... 26 D. Results and Recommendations...... 27 D.1 Chart Comparison...... 27 D.1.1 Raster Charts...... 27 D.1.2 Electronic Navigational Charts...... 30 D.1.3 AWOIS Items...... 31 D.1.4 Maritime Boundary Points ...... 31
i D.1.5 Charted Features...... 31 D.1.6 Uncharted Features...... 32 D.1.7 Dangers to Navigation...... 32 D.1.8 Shoal and Hazardous Features...... 32 D.1.9 Channels...... 32 D.1.10 Bottom Samples ...... 32 D.2 Additional Results...... 32 D.2.1 Shoreline...... 32 D.2.2 Prior Surveys...... 33 D.2.3 Aids to Navigation...... 33 D.2.4 Overhead Features...... 33 D.2.5 Submarine Features...... 33 D.2.6 Ferry Routes and Terminals...... 33 D.2.7 Platforms...... 33 D.2.8 Significant Features...... 33 D.2.9 Construction and Dredging...... 33 D.2.10 New Survey Recommendations...... 33 D.2.11 New Inset Recommendations...... 34 E. Approval Sheet...... 35 F. Table of Acronyms...... 36 List of Tables
Table 1: Survey Limits...... 1 Table 2: Hydrographic Survey Statistics...... 5 Table 3: Dates of Hydrography...... 6 Table 4: Vessels Used...... 6 Table 5: Major Systems Used...... 7 Table 6: Survey Specific Tide TPU Values...... 9 Table 7: Survey Specific Sound Speed TPU Values...... 9 Table 8: Junctioning Surveys...... 10 Table 9: Submitted Surfaces...... 23 Table 10: NWLON Tide Stations...... 25 Table 11: Subordinate Tide Stations...... 25 Table 12: Tide Correctors (.zdf or .tc)...... 26 Table 13: USCG DGPS Stations...... 27 Table 14: Largest Scale Raster Charts...... 27 Table 15: Largest Scale ENCs...... 30 List of Figures
Figure 2: H12420 Survey Coverage...... 3 Figure 3: H12420 Mutiny Bay Coverage Gap...... 4 Figure 1: H12420 Survey Quality in Useless Bay...... 2
ii Figure 4: H12420 Crosslines Overview...... 8 Figure 5: H12420 Crosslines Statistics...... 9 Figure 6: Junctions between H12420, H12053, H12419 and H12418...... 11 Figure 7: H12053 Survey Junction...... 12 Figure 8: H12053 Junction Statistics...... 13 Figure 9: H12418 Survey Junction...... 14 Figure 10: H12418 Junction Statistics...... 15 Figure 11: H12419 Survey Junction...... 16 Figure 12: H12419 Junction Statistics...... 17 Figure 13: RESON 7111 SSP...... 18 Figure 14: Overview of area containing kelp within the boundary of the half meter resolution finalized surface...... 19 Figure 15: Subset view of the half meter surface...... 20 Figure 16: Re-accepted 7111 data not meeting IHO 1 specifications...... 24 Figure 17: Disagreement between charted depth (18464) and surveyed sounding in the vicinity of Liplip Pt...... 28 Figure 18: Disagreement between charted depth (18471) and surveyed sounding in the vicinity of Liplip Point...... 29 Figure 19: Disagreements between charted depth (18473) and surveyed soundings in the vicinity of Liplip Point...... 30
iii H12420 NOAA Ship Fairweather
Descriptive Report to Accompany Survey H12420
Project: OPR-N326-FA-12 Locality: Admiralty Inlet, WA Sublocality: Mutiny Bay Scale: 1:10000 May 2012 - May 2012 NOAA Ship Fairweather Chief of Party: CDR James Crocker, NOAA
A. Area Surveyed
The survey area is located in Admiralty Inlet, WA, within the sub-locality of Mutiny Bay.
A.1 Survey Limits
Data were acquired within the following survey limits:
Northwest Limit Southeast Limit 48° 9" 49.8' N 47° 53" 31.2' N 122° 25" 48.6' W 122° 45" 27.6' W
Table 1: Survey Limits
Survey Limits were acquired in accordance with the requirements in the Project Instructions and the HSSD.
A.2 Survey Purpose
The purpose of this survey is to provide contemporary data to update National Ocean Service (NOS) nautical charting products. The survey will cover category three areas as defined in the 2011 NOAA Hydrographic Survey Priorities (NHSP).
A.3 Survey Quality
The entire survey is adequate to supersede previous data.
1 H12420 NOAA Ship Fairweather
Along the eastern shore of Useless Bay, gaps exist in the surface. However, this coverage meets the 25 m line spacing requirement See Figure 1 below.
Figure 1: H12420 Survey Quality in Useless Bay
2 H12420 NOAA Ship Fairweather
A.4 Survey Coverage
Figure 2: H12420 Survey Coverage
An area on the eastern shore of Mutiny Bay was not surveyed to the 4m inshore limit of hydrography as required by the Project Instructions due to time constraints. Figure 3 gives an overview of the area.
3 H12420 NOAA Ship Fairweather
Figure 3: H12420 Mutiny Bay Coverage Gap
4 H12420 NOAA Ship Fairweather
A.5 Survey Statistics
The following table lists the mainscheme and crossline acquisition mileage for this survey:
Vessel 2808 s220 2805 Total SBES Mainscheme 0.00 0.00 0.00 0.00 MBES Mainscheme 209.17 99.04 163.78 471.99 Lidar Mainscheme 0.00 0.00 0.00 0.00 SSS Mainscheme 0.00 0.00 0.00 0.00 SBES/MBES Combo 0.00 0.00 0.00 0.00 LNM Mainscheme SBES/SSS Combo 0.00 0.00 0.00 0.00 Mainscheme MBES/SSS Combo 0.00 0.00 0.00 0.00 Mainscheme SBES/MBES 13.07 3.94 9.57 26.58 Combo Crosslines Lidar Crosslines 0.00 0.00 0.00 0.00 Number of Bottom 4 Samples Number AWOIS Items 1 Investigated Number Maritime Boundary Points 0 Investigated Number of DPs 1 Number of Items Items 0 Investigated by Dive Ops Total Number of SNM 33.5
Table 2: Hydrographic Survey Statistics
5 H12420 NOAA Ship Fairweather
The following table lists the specific dates of data acquisition for this survey:
Survey Dates Julian Day Number 05/01/2012 122 05/02/2012 123 05/04/2012 125 05/05/2012 126 05/06/2012 127 05/07/2012 128 05/08/2012 129 05/09/2012 130 05/10/2012 131 05/15/2012 136
Table 3: Dates of Hydrography
B. Data Acquisition and Processing
B.1 Equipment and Vessels
Refer to the Data Acquisition and Processing Report (DAPR) for a complete description of data acquisition and processing systems, survey vessels, quality control procedures and data processing methods. Additional information to supplement sounding and survey data, and any deviations from the DAPR are discussed in the following sections.
B.1.1 Vessels
The following vessels were used for data acquisition during this survey:
Hull ID S220 2808 2805 LOA 70.4 meters 8.64 meters 8.64 meters Draft 4.7 meters 1.12 meters 1.12 meters
Table 4: Vessels Used
6 H12420 NOAA Ship Fairweather
B.1.2 Equipment
The following major systems were used for data acquisition during this survey:
Manufacturer Model Type RESON 7111 MBES RESON 7125 MBES Vessel Attitude and Applanix POS MV V4 Positioning System Brooke Ocean MVP 200 Sound Speed System Conductivity, Temperature Sea Bird SBE 19 Plus and Depth Sensor RESON SVP70 Sound Speed System RESON SVP71 Sound Speed System
Table 5: Major Systems Used
B.2 Quality Control
B.2.1 Crosslines
Crosslines, acquired for this survey, totalled 5.6% of mainscheme acquisition.
Crosslines were collected, processed and compared in accordance with 5.2.4.3 of the HSSD. The percentage of crosslines collected to main-scheme lines is 5.33%. Surfaces differencing in CARIS Bathy DataBASE was used to assess crossline agreement with main-scheme lines. Figure 4 depicts a difference surface between an 8 meter surface made with main-scheme lines only and an 8-meter surface made with crosslines only. This difference surface is submitted digitally in the Separates II folder.
Crossline and main-scheme differences (white indicates agreement, cool colors indicate crosslines shoaler than main-scheme and warm colors indicate crosslines are deeper)
Figure 5 is a statistical representation of crossline differences.
7 H12420 NOAA Ship Fairweather
Figure 4: H12420 Crosslines Overview
8 H12420 NOAA Ship Fairweather
Figure 5: H12420 Crosslines Statistics
B.2.2 Uncertainty
The following survey specific parameters were used for this survey:
Measured Zoning 0.0 meters 0.097 meters
Table 6: Survey Specific Tide TPU Values
Hull ID Measured - CTD Measured - MVP Surface 2805 2 meters/second 0.5 meters/second 2808 2 meters/second 0.5 meters/second S220 1 meters/second 1 meters/second 0.5 meters/second
Table 7: Survey Specific Sound Speed TPU Values
9 H12420 NOAA Ship Fairweather
The tide uncertainty zoning value of 0.097m was entered for the creation of the VDatum surfaces and a 0m value was entered for the creation of the ERS surfaces.
B.2.3 Junctions
The areas of overlap between the sheets were reviewed in CARIS Subset Editor for sounding consistency and in CARIS BathyDatabase by surface differencing 16-meter and 8-meter combined surfaces to assess surface agreement. See Figure 6 for area of overlap.
The following junctions were made with this survey:
Registry Relative Scale Year Field Unit Number Location H12053 1:10000 2009 Williamson & Associates, Inc. SE H12418 1:10000 2012 NOAA Ship FAIRWEATHER N H12419 1:10000 2012 NOAA Ship FAIRWEATHER W
Table 8: Junctioning Surveys
H12053
Surface differencing in CARIS HIPS and SIPS was used to assess junction agreement between the H12053 8-meter combined surface and the H12420 8-meter combined surface. See Figure 7 for an image of the survey junction. Figure 8 is a statistical representation of the survey junction.
10 H12420 NOAA Ship Fairweather
Figure 6: Junctions between H12420, H12053, H12419 and H12418
11 H12420 NOAA Ship Fairweather
Figure 7: H12053 Survey Junction
12 H12420 NOAA Ship Fairweather
Figure 8: H12053 Junction Statistics H12418
Surface differencing in CARIS HIPS and SIPS was used to assess junction agreement between the H12418 16-meter combined surface and the H12420 8-meter combined surface. See Figure 9 for an image of the survey junction. Figure 10 is a statistical representation of the survey junction.
13 H12420 NOAA Ship Fairweather
Figure 9: H12418 Survey Junction
14 H12420 NOAA Ship Fairweather
Figure 10: H12418 Junction Statistics H12419
Surface differencing in CARIS HIPS and SIPS was used to assess junction agreement between the H12419 8-meter combined surface and the H12420 8-meter combined surface. See Figure 11 for an image of the survey junction. Figure 12 is a statistical representation of the survey junction.
15 H12420 NOAA Ship Fairweather
Figure 11: H12419 Survey Junction
16 H12420 NOAA Ship Fairweather
Figure 12: H12419 Junction Statistics
B.2.4 Sonar QC Checks
Sonar system quality control checks were conducted as detailed in the quality control section of the DAPR.
B.2.5 Equipment Effectiveness
RESON 7111 Surface Sound Speed
Surface sound speed (.ssp) data were removed in post processing for the entire survey. For more information, please refer to the DAPR section 1.5.2.1.
17 H12420 NOAA Ship Fairweather
Figure 13: RESON 7111 SSP
B.2.6 Factors Affecting Soundings
Influence of Vegetation
Vegetation is present in northern and eastern portions of Mutiny Bay. The vegetation data was not removed and all soundings should supersede the chart. See Figure 14 below for an overview of a kelp area and Figure 15 for a subset editor view of the same area.
18 H12420 NOAA Ship Fairweather
Figure 14: Overview of area containing kelp within the boundary of the half meter resolution finalized surface.
19 H12420 NOAA Ship Fairweather
Figure 15: Subset view of the half meter surface. Due to the questionable nature of the Surface in the nearshore northern and eastern portions of Mutiny Bay that are foul with vegetation, soundings were not selected for compilation to the chart update product in these areas.
B.2.7 Sound Speed Methods
Sound Speed Cast Frequency: Sound speed measurements were conducted and applied as discussed in the Corrections to Echo Soundings section of the DAPR.
B.2.8 Coverage Equipment and Methods
All Equipment and survey methods were used as detailed in the DAPR.
B.2.9 IHO Uncertainty
After filtering all RESON 7111 data to 63 degrees off nadir on both port and starboard, the data meet the data accuracy specifications as stated in the NOS Hydrographic Surveys Specifications and Deliverables (HSSD) dated April 2012. It was found that 99.48% of the nodes in the finalized 8-meter grid meet IHO order 1 specifications and 100% meet the IHO order 2 for survey H12420. See Standards Compliance Review in Appendix V.
20 H12420 NOAA Ship Fairweather
In some areas, data were reacquired to meet Density and Coverage requirements, see section B 5.6 Data Processing Deviations for reaccepting some filtered data.
B.2.10 Density
Density requirements for the 0.5m, 1m, 2m, 4m and 8m finalized surfaces were achieved with at least 99.85% of finalized surface nodes containing five or more soundings. See Standards Compliance Review in Appendix V.
B.2.11 Holiday Assessment
Complete multibeam coverage was obtained within the limits of H12420. For holidays larger than three surface grid nodes, the corresponding multibeam side scan was examined and no navigationally significant items were found. The least depths of all navigationally significant features are represented by H12420.
The holidays within the limits of H12420 are primarily located within the 0.5 meter finalized surface. Holidays that were not present in the 1 meter finalized surface during acquisition became evident after the higher resolution 0.5 meter finalized surface was created.
B.3 Echo Sounding Corrections
B.3.1 Corrections to Echo Soundings
All data reduction procedures conform to those detailed in the DAPR.
B.3.2 Calibrations
All sounding systems were calibrated as detailed in the DAPR.
B.4 Backscatter
Backscatter was logged to 7k files and submitted to NGDC for file backup and to the Pacific Hydrographic Branch for processing.
B.5 Data Processing
B.5.1 Software Updates
There were no software configuration changes after the DAPR was submitted.
21 H12420 NOAA Ship Fairweather
The following Feature Object Catalog was used: NOAA Extended Attribute Files V5_2
B.5.2 Surfaces
The following surfaces and/or BAGs were submitted to the Processing Branch:
Surface Surface Surface Name Resolution Depth Range Purpose Type Parameter - H12420_Half_Meter_VDATUM CUBE 0.5 meters NOAA_0.5m Complete MBES
- H12420_1m_VDATUM CUBE 1 meters NOAA_1m Complete MBES
- H12420_2m_VDATUM CUBE 2 meters NOAA_2m Complete MBES
- H12420_4m_VDATUM CUBE 4 meters NOAA_4m Complete MBES
- H12420_8m_VDATUM CUBE 8 meters NOAA_8m Complete MBES
0 meters - H12420_1m_ERS_Final_0to44 CUBE 1 meters NOAA_1m Complete MBES 44 meters 42 meters - H12420_2m_ERS_Final_42to64 CUBE 2 meters NOAA_2m Complete MBES 64 meters 60 meters - H12420_4m_ERS_Final_60to104 CUBE 4 meters NOAA_4m Complete MBES 104 meters 96 meters - H12420_8m_ERS_Final_96to370 CUBE 8 meters NOAA_8m Complete MBES 370 meters 0 meters - H12420_Combined_8m_ERS CUBE 8 meters NOAA_8m Complete MBES 370 meters 0 meters - H12420_Half_Meter_VDatum_Final_0to12 CUBE 0.5 meters NOAA_0.5m Complete MBES 12 meters 10 meters - H12420_1m_VDatum_Final_10to20 CUBE 1 meters NOAA_1m Complete MBES 20 meters 18 meters - H12420_2m_VDatum_Final_18to40 CUBE 2 meters NOAA_2m Complete MBES 40 meters 36 meters - H12420_4m_VDatum_Final_36to80 CUBE 4 meters NOAA_4m Complete MBES 80 meters 72 meters - H12420_8m_VDatum_Final_72to186 CUBE 8 meters NOAA_8m Complete MBES 186 meters
22 H12420 NOAA Ship Fairweather
Surface Surface Surface Name Resolution Depth Range Purpose Type Parameter 0 meters - H12420_Combined_8m_VDATUM CUBE 8 meters NOAA_8m Complete MBES 186 meters
Table 9: Submitted Surfaces
The NOAA CUBE parameters mandated in HSSD were used for the creation of all CUBE BASE surfaces in Survey H12420.
The surfaces have been reviewed where noisy data, or 'fliers' are incorporated into the gridded solution causing the surface to be shoaler than the true seafloor. Where these spurious soundings cause the gridded surface to be shoaler or deeper than the reliably measured seabed by greater than the maximum allowable vertical uncertainty at that depth, the noisy data have been rejected and the surface recomputed.
A one half meter surface was created to reduce the number of designated soundings that would have been required to have the one meter surface honor the appropriate soundings. As a result, the one meter resolution surface was finalized to 10 to 20 meters.
The eight meter resolution surface was finalized to 186 meters, in order to account for soundings outside of the specified eight meter resolution depth range.
All correspondence with HSD Ops approving the one half meter surface and change to finalized depth ranges have been included in Appendix V.
Email correspondence is appended to this report.
B.5.3 Data Logs
Data acquisition and processing notes are included in the acquisition and processing logs, and additional processing such as final tide and sound velocity application is located in the H12420 Data Log spreadsheet. All data logs are submitted digitally in the Separates 1 folder.
B.5.4 Critical Soundings
Designation of soundings followed procedures as outlined in section 5.2.1.2 of the HSSD.
Survey H12420 requires 34 designated soundings and 0 outstanding soundings. All thirty-four of the designated soundings are required to accurately represent the seafloor. A one half meter resolution surface was created in lieu of excessive designated soundings.
23 H12420 NOAA Ship Fairweather
B.5.5 TrueHeave
To enable the application of TrueHeave, some POS/MV files were "fixed" using the fixTrueHeave.exe utility from CARIS. Fixed files were assigned an additional *.fixed suffix. This was performed for the following vessels and days: Launch 2805 days 125, 129 and 130; Launch 2808 days 126, 129, 130 and 136.
Data is adequate to supersede charted data in the common area.
B.5.6 Data Processing Deviations
All Reson 7111 data were filtered to 63 degrees off nadir on both port and starboard to remove data that did not meet IHO order 1 specifications. Data were re-accepted in several locations to fill gaps created by filtering. Some of this re-accepted data did not meet IHO order 1 specifications, see section B.2.9. Figure 16 shows an overview of these areas.
Figure 16: Re-accepted 7111 data not meeting IHO 1 specifications No non-IHO Order 1 soundings were not selected for compilation to the chart update product.
24 H12420 NOAA Ship Fairweather
B.5.7 Ellipsoidally-Referenced Surfaces
All finalized ellipsoidally-referenced surfaces with H12420 for experimental and evaluation purposes as part of the Office of Coast Survey's initiative to survey to the ellipsoid. The surfaces were created while the soundings were reduced to the ellipsoid after merging with "GPS Tides" applied in CARIS HIPS. After the ellipsoidal surfaces were created, the soundings were recomputed using the VDatum Separation Model (see Vertical Control section for more information). The ellipsoidal surface appear out of date because of the recomputing process.
C. Vertical and Horizontal Control
Additional information discussing the vertical or horizontal control for this survey can be found in the accompanying HVCR.
C.1 Vertical Control
The vertical datum for this project is F.
Standard Vertical Control Methods Used:
TCARI
The following National Water Level Observation Network (NWLON) stations served as datum control for this survey:
Station Name Station ID Seattle 9447130 Port Townshend 6444900
Table 10: NWLON Tide Stations
The following subordinate water level stations were established for this survey:
Station Name Station ID Foulweather Bluff 9445016
Table 11: Subordinate Tide Stations
25 H12420 NOAA Ship Fairweather
There was no Water Level file associated with this survey.
File Name Status N326FA2012.tc Final
Table 12: Tide Correctors (.zdf or .tc)
A request for final approved tides was sent to N/OPS1 on 05/29/2012. The final tide note was received on 08/31/2012.
Final zoning and water level files were received for survey H12420.
Tide note is appended to this report.
Non-Standard Vertical Control Methods Used:
VDatum
Ellipsoid to Chart Datum Separation File:
2012_N326_VDatum_Ellip_MLLW.xyz
The VDatum separation file was applied in accordance with the FPM. VDatum was used for the vertical transformation of ellipsoid referenced data to MLLW. All soundings were merged in CARIS HIPS and SIPS using the apply GPS tide function and TPU was computed with the new VDatum uncertainty value. See correspondence in Appendix V for additional information on Vdatum use and approval.
C.2 Horizontal Control
The horizontal datum for this project is North American Datum of 1983 (NAD83).
The projection used for this project is UTM 10N.
Differential correctors from the U.S. Coast Guard beacon at Robinson Point, WA - 323 kHz were used during real-time acquisition when not otherwise noted in the acquisition logs, and were the sole method of positioning of detached positions (DP) and bottom samples as there is currently no functionality for applying Smoothed Best Estimate of Trajectory (SBET) files to these types of data.
26 H12420 NOAA Ship Fairweather
The following DGPS Stations were used for horizontal control:
DGPS Stations Robinson Point, WA - 323 kHz (200 BPS)
Table 13: USCG DGPS Stations
D. Results and Recommendations
D.1 Chart Comparison
Chart 18471 was not used for compilation of the chart update product. Largest scale coverage was provided in full for the 18473 area by 18464 and 18477.
D.1.1 Raster Charts
The following are the largest scale raster charts, which cover the survey area:
Chart Scale Edition Edition Date LNM Date NM Date 18464 1:20000 25 10/2011 02/28/2012 03/10/2012 18477 1:25000 5 08/2005 02/28/2012 03/10/2012 18471 1:40000 11 12/2007 02/28/2012 03/10/2012 18473 1:40000 8 09/2005 02/28/2012 03/10/2012
Table 14: Largest Scale Raster Charts
18464
Soundings from survey H12420 generally agreed within one to two fathoms offshore of the 10 fathom contour on chart 18464. Inshore of the 10 fathom contour, survey soundings generally agreed within one fathom, with the exception of certain areas where disagreements with charted depths in the vicinity were no greater than 1.6 fathoms. Such as off Liplip Pt a surveyed 6 fathom 4 foot sounding is in the vicinity of a 8 fathom charted depth. Contours generated in CARIS HIPS closely approximated the charted 2, 3, 5, 10- fathom contours.
27 H12420 NOAA Ship Fairweather
Figure 17: Disagreement between charted depth (18464) and surveyed sounding in the vicinity of Liplip Pt.
18477
Soundings from survey H12420 generally agreed within one to two fathoms with charted depths on chart 18464. Contours generated in CARIS HIPS closely approximated the charted 3, 5, 10, 20, 30, 40, 50-fathom contours.
18471
Soundings from survey H12420 generally agreed within one to two fathoms offshore of the 10 fathom contour on chart 18471. Inshore of the 10 fathom contour, survey soundings generally agreed within one fathom, with the exception of certain areas where disagreements with charted depths in the vicinity were no greater than 1.7 fathoms. Such as off Liplip pt a charted 10 fathom is in the vicinity of a surveyed sounding of 8 fathoms 3 feet. Contours generated in CARIS HIPS closely approximated the charted 3, 5, 10, 20, 30, 40, 50-fathom contours.
28 H12420 NOAA Ship Fairweather
Figure 18: Disagreement between charted depth (18471) and surveyed sounding in the vicinity of Liplip Point.
18473
Soundings from survey H12420 generally agreed within one to two fathoms offshore of the 10 fathom contour on chart 18473. Inshore of the 10 fathom contour, survey soundings generally agreed within one fathom, with the exception of certain areas where disagreements with charted depths in the vicinity were no greater than 1.7 fathoms. Such as off Liplip pt a charted 10 fathom is in the vicinity of a surveyed sounding of 8 fathoms 3 feet. Contours generated in CARIS HIPS closely approximated the charted 3, 5, 10, 20, 30, 40, 50-fathom contours.
29 H12420 NOAA Ship Fairweather
Figure 19: Disagreements between charted depth (18473) and surveyed soundings in the vicinity of Liplip Point.
D.1.2 Electronic Navigational Charts
The following are the largest scale ENCs, which cover the survey area:
Update ENC Scale Edition Application Issue Date Preliminary? Date US5WA28 1:20000 14 10/27/2011 10/27/2011 NO US5WA19 1:25000 1 08/26/2011 02/16/2012 NO US5WA17 1:40000 15 05/09/2011 05/09/2011 NO
Table 15: Largest Scale ENCs
30 H12420 NOAA Ship Fairweather
US5WA28
Soundings from survey H12420 generally agreed within one to two fathoms offshore of the 10 fathom contour on chart US5WA28. Inshore of the 10 fathom contour survey soundings generally agreed within one fathom. Contours generated in CARIS HIPS closely approximated the charted 3, 5, 10, 50-fathom contours.
US5WA19
Soundings from survey H12420 generally agreed within one to two fathoms offshore of the 10 fathom contour on chart US5WA28. Inshore of the 10 fathom contour survey soundings generally agreed within one fathom. Contours generated in CARIS HIPS closely approximated the charted 3, 5, 10, 20, 30, 40, 50- fathom contours.
US5WA17
Soundings from survey H12420 generally agreed within one to two fathoms offshore of the 10 fathom contour on chart US5WA28. Inshore of the 10 fathom contour survey soundings generally agreed within one fathom. Contours generated in CARIS HIPS closely approximated the charted 3, 5, 10, 20, 30, 40, 50- fathom contours.
D.1.3 AWOIS Items
There was 1 AWOIS item located within the limits of H12420. The AWOIS item #52910 was listed as 'Assigned for Information Only' in the Project Instructions. The 'unusual ridges' listed in the AWOIS item description were seen in the MBES data.
The ridges noted in this AWOIS item may be deposits of a slump area. The area appears to be accumulated sediments (evidenced by sandwaves on the surface of the feature) with depths at the shoal edge of approximately 25 fathoms, and 55 fathoms at the deeper end. An AWOIS report was created and it is appended to this document.
D.1.4 Maritime Boundary Points
No Maritime Boundary Points were assigned for this survey.
D.1.5 Charted Features
All charted features that were investigated are included in the survey's Final Feature File.
The submitted hob files were used in the compilation of the chart update product H12420.
31 H12420 NOAA Ship Fairweather
D.1.6 Uncharted Features
A new UWTROC was found/observed during field operations. Complete information for this feature is located in the survey's Final Feature file.
A UWTROC feature located at 48-00-59.71N, 122-35-33.95W is included in the chart update product.
D.1.7 Dangers to Navigation
No Danger to Navigation Reports were submitted for this survey.
D.1.8 Shoal and Hazardous Features
No shoals or potentially hazardous features exist for this survey.
D.1.9 Channels
A traffic separation scheme exists within survey H12420. No further investigation is required.
D.1.10 Bottom Samples
No bottom samples were required for this survey.
Do not concur. The Project Instructions required that bottom samples be collected in accordance with section 7.1 of the HSSD. However, due to the presence of traffic lanes and areas of strong currents, collection was limited to four samples. These have been included in the chart update product along with 32 bottom characteristics imported from the ENCs.
D.2 Additional Results
D.2.1 Shoreline
Fairweather personnel conducted limited shoreline verification and reconnaissance at times near predicted negative or low tides within the survey limits. Annotations, information, and diagrams collected on DP forms and boat sheets during field operations are scanned and included in the digital Separates I folder. Shoreline verification procedures for survey H12420 conform to those detailed in the DAPR.
Features from the current editions of charts 18446, 18471, 18473 and 18464 that were not depicted by the source shoreline data were digitized in CARIS Notebook with S-57 attribution into the H12420_Final_Feature_File.hob, to be displayed for field verification.
32 H12420 NOAA Ship Fairweather
D.2.2 Prior Surveys
No prior survey comparisons exist for this survey.
D.2.3 Aids to Navigation
Survey H12420 included one aid to navigation (ATON), which was assigned for positioning by the Project Instructions. See the OPR-N326-FA-12 Horizontal and Vertical Control Report regarding further information on positioned ATON.
ATONs are to be charted using the latest ATONIS information.
D.2.4 Overhead Features
Overhead features do not exist for this survey.
D.2.5 Submarine Features
Submarine features exist for this survey, but were not investigated.
D.2.6 Ferry Routes and Terminals
No ferry routes or terminals exist for this survey.
D.2.7 Platforms
No platforms exist for this survey.
D.2.8 Significant Features
No significant features exist for this survey.
D.2.9 Construction and Dredging
There is no present or planned construction or dredging within the survey limits.
D.2.10 New Survey Recommendations
No new surveys or further investigations are recommended for this area.
33 H12420 NOAA Ship Fairweather
D.2.11 New Inset Recommendations
No new insets are recommended for this area.
34 + 12$$6KLSFairweather
E. Approval Sheet
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Approver Name Approver Title Approval Date Signature
CDR James M Crocker, NOAA cn=CDR James M Crocker, NOAA, &'5-DPHV0 o=NOAA Ship Fairweather, &KLHIRI3DUW\ ou=Commanding Officer, [email protected], c=US &URFNHU12$$ 2013.01.18 12:02:46 -08'00' /7&DU\Q0 Caryn M. Zacharias )LHOG2SHUDWLRQV2IILFHU 2013.01.18 10:53:44 =DFKDULDV12$$ -08'00'
Tami Beduhn &677DPL0%HGXKQ &KLHI6XUYH\7HFKQLFLDQ '00'08- 10:06:07 2013.01.13 (16(ULF* Eric Younkin 6KHHW0DQDJHU 2013.01.18 11:56:21 Acronym Definition AHB Atlantic Hydrographic Branch AST Assistant Survey Technician ATON Aid to Navigation AWOIS Automated Wreck and Obstruction Information System BAG Bathymetric Attributed Grid BASE Bathymetry Associated with Statistical Error CO Commanding Officer CO-OPS Center for Operational Products and Services CORS Continually Operating Reference Staiton CTD Conductivity Temperature Depth CEF Chart Evaluation File CSF Composite Source File CST Chief Survey Technician CUBE Combined Uncertainty and Bathymetry Estimator DAPR Data Acquisition and Processing Report DGPS Differential Global Positioning System DP Detached Position DR Descriptive Report DTON Danger to Navigation ENC Electronic Navigational Chart ERS Ellipsoidal Referenced Survey ERZT Ellipsoidally Referenced Zoned Tides FFF Final Feature File FOO Field Operations Officer FPM Field Procedures Manual GAMS GPS Azimuth Measurement Subsystem GC Geographic Cell GPS Global Positioning System HIPS Hydrographic Information Processing System HSD Hydrographic Surveys Division HSSD Hydrographic Survey Specifications and Deliverables Acronym Definition HSTP Hydrographic Systems Technology Programs HSX Hypack Hysweep File Format HTD Hydrographic Surveys Technical Directive HVCR Horizontal and Vertical Control Report HVF HIPS Vessel File IHO International Hydrographic Organization IMU Inertial Motion Unit ITRF International Terrestrial Reference Frame LNM Local Notice to Mariners LNM Linear Nautical Miles MCD Marine Chart Division MHW Mean High Water MLLW Mean Lower Low Water NAD 83 North American Datum of 1983 NAIP National Agriculture and Imagery Program NALL Navigable Area Limit Line NM Notice to Mariners NMEA National Marine Electronics Association NOAA National Oceanic and Atmospheric Administration NOS National Ocean Service NRT Navigation Response Team NSD Navigation Services Division OCS Office of Coast Survey OMAO Office of Marine and Aviation Operations (NOAA) OPS Operations Branch MBES Multibeam Echosounder NWLON National Water Level Observation Network PDBS Phase Differencing Bathymetric Sonar PHB Pacific Hydrographic Branch POS/MV Position and Orientation System for Marine Vessels PPK Post Processed Kinematic PPP Precise Point Positioning PPS Pulse per second Acronym Definition PRF Project Reference File PS Physical Scientist PST Physical Science Technician RNC Raster Navigational Chart RTK Real Time Kinematic SBES Singlebeam Echosounder SBET Smooth Best Estimate and Trajectory SNM Square Nautical Miles SSS Side Scan Sonar ST Survey Technician SVP Sound Velocity Profiler TCARI Tidal Constituent And Residual Interpolation TPU Total Porpagated Error TPU Topside Processing Unit USACE United States Army Corps of Engineers USCG United Stated Coast Guard UTM Universal Transverse Mercator XO Executive Officer ZDA Global Positiong System timing message ZDF Zone Definition File H12420 AWOIS Report AWOIS Item 52910 was assigned for information only. The geologic feature, centered on Lat. 47°58'29.6"N, Long. 122°34'49.7"W, is accumulated sediment, evidenced by sandwaves on the surface of the feature, and by bottom samples with constituents of sand, shells, gravel and pebbles. The ridges noted in this AWOIS item appear to be deposits of a slump area. The feature is in water depths of 20 to 55 fathoms, and spans an area 3,000 meters across from north to south, and 2,300 meters across from east to west. The feature is delineated in the chart update product simply as an area of sandwaves (SNDWAV). AWOIS 52910 Record RECRD 52910 VESSLTERMS UNKNOWN FEATURE_TYPE AREA_ID N CHART 18473 LATDEC 47.974903 LONDEC -122.580472 GP_QUALITY Low GP_SOURCE Direct SOUNDING_TYPE HISTORY Non-charted geologic feature. H8912/66--Memorandum 67-6-2005, 22 January 1967, Ridge Development Northwest of Double Bluff Light, Admiralty Inlet, Washington. During the hydrographic survey of Admiralty Inlet this past year, unusual ridges were located between lat. 47/58/00N, 47/59/00N and lon 122/34/00W, 122/35/30W at depths ranging from 25 to 60 fathoms. The ranges between ridges and saddles varies from 1 to 9 fathoms. The slope of the bottom HISTORY between ridge and saddle is about 1:5 in most cases. These ridges appear in an area of otherwise gradual rise. Bottom samples in this area revealed shells, pebbles and gravel. The location of these ridges may be of interest to other scientific research groups working in the Puget Sound area. Center of investigation radius, 47/58/29.65N, 122/34/49.70, calculated at center position of rectangle bounded by above coordinates. (Ent. DAS 2/01/02) Slump area offshore of Double Bluff, Whidbey Island, Washington National Oceanic and Atmospheric Administration Mail - Fwd: Re: OPR... https://mail.google.com/mail/u/0/?ui=2&ik=bbbf2bad22&view=pt&searc... Eric Younkin Fwd: Re: OPR-N326-FA12 (H12418) 0.5m Resolution 1 message OPS Fairweather Eric, See below. Your 0.5meter surface should be finalized 0-12 meters. Please also place this e-mail in your correspondence folder. Thanks, Caryn ------Original Message ------Subject:Re: OPR-N326-FA12 (H12418) 0.5m Resolution Date:Tue, 05 Jun 2012 07:51:55 -0400 From:Marc Moser LT Zacharias, Ops concurs with your proposal as it reduces the number of designated soundings for this survey. Please include this email in the DR to constitute written authorization of the modified resolution proposal for H12418. On Mon, Jun 4, 2012 at 5:39 PM, Crescent Moegling Crescent Moegling Hydrographic Team Lead Northwest Navigation Manager Pacific Hydrographic Branch 206.526.6840 -----Original Message----- From: FA OPS [mailto:[email protected]] Sent: Sunday, June 03, 2012 2:38 PM To: [email protected] Cc: chiefst Fairweather; [email protected]; CDR James Crocker; [email protected]; [email protected]; [email protected] Subject: OPR-N326-FA12 (H12418) 0.5m Resolution Hi Crescent, I am writing to give you a heads up that one of our surveys in Admiralty 1 of 2 7/10/2012 8:50 AM National Oceanic and Atmospheric Administration Mail - Fwd: Re: OPR... https://mail.google.com/mail/u/0/?ui=2&ik=bbbf2bad22&view=pt&searc... Inlet requires us to use a 0.5m surface in order for us to reduce the number of designated soundings. See the attached images of what we are seeing between the 1 meter and the 0.5 meter surfaces. We would like to use the following for H12418: Depth Range, Resolution(m) 0-12, 0.5 10-20, 1 18-40, 2 36-80, 4 72-160, 8 144-320, 16 Please let me know if I need to provide an official memo or if this e-mail is sufficient. Or if you suggest a different solution. V/r, Caryn -- LT Caryn Zacharias (Arnold), NOAA Operations Officer NOAA Ship Fairweather 1010 Stedman Street Ketchikan, AK 99901 Ship Cell 907-254-2842 Ship Sat 808-659-0054 -- LCDR Marc S. Moser, NOAA Chief, Operations Branch SSMC3, Rm: 6854, N/CS31, 1315 East West Highway Silver Spring, MD 20910 Tel: (301) 713-2702 x112, Fax: (301) 713-4533, Cel: (757) 339-1950 2 of 2 7/10/2012 8:50 AM UNITED STATES DEPARMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Silver Spring, Maryland 20910 TIDE NOTE FOR HYDROGRAPHIC SURVEY DATE : October 18, 2012 HYDROGRAPHIC BRANCH: Pacific HYDROGRAPHIC PROJECT: OPR-N326-FA-2012 HYDROGRAPHIC SHEET: H12420 LOCALITY: Mutiny Bay, Admiralty Inlet, WA TIME PERIOD: May 01 - May 15, 2012 TIDE STATION USED: 9444900 Port Townsend, WA Lat. 48° 6.7' N Long. 122° 45.5' W PLANE OF REFERENCE (MEAN LOWER LOW WATER): 0.000 meters HEIGHT OF HIGH WATER ABOVE PLANE OF REFERENCE: 2.389 meters TIDE STATION USED: 9445016 Foulweather Bluff, WA Lat. 47° 55.6' N Long. 122° 37.0' W PLANE OF REFERENCE (MEAN LOWER LOW WATER): 0.000 meters HEIGHT OF HIGH WATER ABOVE PLANE OF REFERENCE: 2.797 meters Tide STATION USED: 9447130 Seattle, WA Lat. 47° 36.2' N Long. 122° 20.4' W PLANE OF REFERENCE (MEAN LOWER LOW WATER): 0.000 meters HEIGHT OF HIGH WATER ABOVE PLANE OF REFERENCE: 3.199 meters REMARKS: RECOMMENDED GRID Please use the TCARI grid "N326FA2012_Final.tc" as the final grid for project OPR-N326-FA-2012, Registry No. H12420 during the time period between May 01 and May 15, 2012. Refer to attachments for grid information. Note 1: Provided time series data are tabulated in metric units (meters), relative to MLLW and on Greenwich Mean Time on the 1983-2001 National Tidal Datum Epoch (NTDE). Digitally signed by HOVIS.GERAL HOVIS.GERALD.THOMAS.1365860250 DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=OTHER, D.THOMAS.13 cn=HOVIS.GERALD.THOMAS.1365860 250 65860250 Date: 2012.10.19 13:17:43 -04'00' ______CHIEF, PRODUCTS AND SERVICES BRANCH APPROVAL PAGE H12420 Data meet or exceed current specifications as certified by the OCS survey acceptance review process. Descriptive Report and survey data except where noted are adequate to supersede prior surveys and nautical charts in the common area. The following products will be sent to NGDC for archive - H12420_DR.pdf - Collection of depth varied resolution BAGS - Processed survey data and records - H12420_GeoImage.pdf The survey evaluation and verification has been conducted according current OCS Specifications. Approved:______Cathleen Barry Cartographer, Pacific Hydrographic Branch The survey has been approved for dissemination and usage of updating NOAA’s suite of nautical charts. Approved:______Peter Holmberg Acting Chief, Pacific Hydrographic Branch