1. Hydrographic Commission
United States-Canada
Hydrographic Commission
report to the
MACHC 16

2. United States-Canada Hydrographic Commission
USCHC 38
USCHC 38 was held March 16, 2015 in National Harbor, Maryland in conjunction with the US Hydro 2015 Conference
20 participants
Member State agencies included NOAA, CHS, NGA, US Navy
Observers were the IHB, UKHO, and MACHC
A wide range of discussion topics of mutual interest including:
Organizational changes
Crowd-sourced data
Satellite-derived bathymetry
United States-Canada Hydrographic Commission

3. United States-Canada Hydrographic Commission
Activities
Reports and Papers
USCHC38 Meeting Minutes
USCHC Report to IRCC7
Submission to IRCC7: Eliminating ENC Overlaps: USCHC Case Study (see Doc IRCC7-9C)
Submission to IRCC7: Proposal to add the topic of Satellite-derived bathymetry as a standing agenda item at all future IRCC meetings (See Doc IRCC7-11F).
Chart Coordinator submitted updates to the INT Catalogue (S-11 Part B) for Region A
Input IHO Strategic Performance Indicators (SPIs) and Working-level Performance Indicators (WPIs)
United States-Canada Hydrographic Commission

4. Eliminating ENC Overlaps: USCHC5
Juan de Fuca Strait
Dixon Entrance
Gulf Maine
Great Lakes
Beaufort Sea 2
CANADA 1 3 4
USA

5. Magnitude of Overlaps
Band
Number of US produced ENCs affected
Number of Canadian Produced ENCs affected 1 2 6 12 3 11 10 4 8 16 5 17
Total 37 57
The USCHC identified a total of 94 ENCs affected by overlaps in six scale bands.
United States-Canada Hydrographic Commission

6. Challenges, Practices, Lessons Learned
Navigational Purpose – Usage Band Differences
Flexibility in Usage Bands
Unique language requirements
National Boundaries – Cartographic Boundaries
Reconciling Reduced National Coverage
Commercial Rights / Intellectual Property
Client Outreach and Feedback
Sustainability and ENC Maintenance
ENC portfolio modification and integration

7. Satellite-derived bathymetry as a standing agenda item

8. Yukon River, Alaska

9. Next Meeting
Halifax, NS
May 16 – 19, 2016

10. Thank you