BCMCA_HU_Shippingtrans_VesselDensity_winter2007_data

Metadata also available as

Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Canadian Wildlife Service, Environment Canada
Publication_Date: 2/2009
Title: BCMCA_HU_Shippingtrans_VesselDensity_winter2007_data
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:
Series_Name: Human Use Data, Marine Atlas of Pacific Canada
Publication_Information:
Publisher:
The British Columbia Marine Conservation Analysis (BCMCA), a Tides Canada Initiatives Project
Online_Linkage:
\\data-server\gis\BCMCA\HumanUse\Repository\shipping\data\BCMCA_HU_Shippingtrans_VesselDensity_winter2007_data.shp
Larger_Work_Citation:
Citation_Information:
Originator:
The British Columbia Marine Conservation Analysis (BCMCA), a Tides Canada Initiatives Project
Publication_Date: May 2011
Title: Marine Atlas of Pacific Canada
Online_Linkage: www.bcmca.ca/atlas
Description:
Abstract:
This dataset illustrates the density of marine vessel traffic within 5 km by 5 km grid cells for Canada's Pacific waters for the winter months (January-April and October-December) of 2007. Traffic is broken down into the following categories: Carrier, Cruise, Fishing, Tanker and Tug. Data is also provided for Ferry and all traffic but was not used by the BCMCA.
Purpose:
This dataset was initially developed to support research on a model of the risk of encountering oil spills for seabirds considered vulnerable to oil pollution. Shipping densities were used as a proxy for the risk of oil spills.
For the BCMCA, the dataset's purpose is to illustrate the distribution and density of vessel traffic in the winter for the following features: Carrier Vessel Density - Winter 2007, Cruise Vessel Density - Winter 2007, Fishing Vessel Density - Winter 2007, Tanker Vessel Density - Winter 2007, and Tug Vessel Density - Winter 2007.
The British Columbia Marine Conservation Analysis (BCMCA) is a collaborative project assembling and analyzing spatial information about Canada's Pacific Ocean. The overall goal of the BCMCA is to identify marine areas of high conservation value and marine areas important to human use. Results of the project are intended to inform and help advance marine planning initiatives in BC by providing collaborative, peer-reviewed scientific analyses based on the best ecological and human use spatial data at scales relevant to a BC coast-wide analysis.
Supplemental_Information:
This dataset is based on ship monitoring data from the Canadian Coast Guard's Marine Communications and Traffic Services (MCTS) system. All ships operating in Canadian waters must obtain Vessel Traffic Services (VTS) clearance before beginning a voyage from a Canadian location or before entering Canadian waters. The Coast Guard monitors ship traffic using radio communication, radar detection and an Automatic Identification System. The Coast Guard documents ship position approximately every 4 minutes with ship-identification (Lloyd's Register name and number), flag-state (country of registry), ship-type and size.
See data quality for more supplemental information.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2007
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -137.442247
East_Bounding_Coordinate: -122.176882
North_Bounding_Coordinate: 55.691725
South_Bounding_Coordinate: 46.113287
Keywords:
Theme:
Theme_Keyword: vessel traffic
Theme_Keyword: vessel movement
Theme_Keyword: vessel density
Theme_Keyword: carrier
Theme_Keyword: cruise
Theme_Keyword: fishing
Theme_Keyword: tanker
Theme_Keyword: tug
Theme_Keyword: winter
Place:
Place_Keyword: British Columbia
Place_Keyword: BC
Place_Keyword: Pacific Ocean
Access_Constraints:
Not to be reproduced or distributed without permission from the data custodian
Use_Constraints:
Not to be reproduced or distributed without permission from the data custodian
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Patrick O'Hara
Contact_Organization: Canadian Wildlife Service, Environment Canada
Contact_Position: Research Biologist
Contact_Address:
Address_Type: mailing and physical address
Address: 9860 West Saanich Road, P.O. Box 6000
City: Sidney
State_or_Province: British Columbia
Postal_Code: V8L 4B2
Country: Canada
Contact_Voice_Telephone: 250 363-6545
Contact_Electronic_Mail_Address: paddio@uvic.ca
Data_Set_Credit:
Data courtesy of the Canadian Coast Guard, Marine Communications and Traffic Services. Dataset developed by Patrick O'Hara, Canadian Wildlife Service.
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.3.1.3500
Data_Quality_Information:
Logical_Consistency_Report:
NOTE: grid cells labelled 130_224, 131_223, 131_224, 132_224 were updated to replace the values in the ferry field with those in the cruise ship field and vice versa.
Completeness_Report:
Included in this database are ships over 20m in length, and ships engaged in towing or pushing any vessel or object more than 20m in length (other than fishing gear) that had a combined length of more than 45 m. The database does not include vessels towing or pushing inside a log booming ground, pleasure yachts less than 30 m, or fishing vessels less than 24 m and 150 tons gross, which are not required to report their position to the VTS.
There is radar coverage of most of Georgia Strait and a radar station with 90 nautical mile range in the vicinity of Tofino. The radar coverage extends from Juan de Fuca in the south to an area just north of Kyuquot Sound on the west coast of Vancouver Island. All the other areas are tracked by vessels using the established call-in points indicated on the charts. This means that all of the northern area off Vancouver Island, both coasts of Haida Gwaii and the North Coast mainland is without radar coverage.
The information used to create this map does not include vessels transiting the portion of the Juan de Fuca Strait, which is the responsibility of the US Coast Guard.
The map provides minimum estimates of vessel traffic densities for the various traffic types included here and likely underestimates vessel traffic, particularly west of Haida Gwaii. Reasons for this include: 1) limited extents of Coast Guard radar coverage; 2) many of the vessels transiting the area west of Haida Gwaii are not bound for Canadian destinations and therefore not required to report to the Coast Guard; and 3) the Automatic Identification System is still in process of being brought in by VST.
There is no data available from west of the 136 degree longitude to the 200 mile territorial limit.
This dataset does not include data from 2003, which was also produced by the Canadian Coast Guard.
Lineage:
Source_Information:
Source_Contribution:
Canadian Coast Guard Marine Communications and Traffic Services vessel tracking database. <http://www.ccg-gcc.gc.ca/e0003910#VTS>
Process_Step:
Process_Description:
Vessel observations were reduced to one uniquely identifiable vessel observation per 5*5 km cell in a GIS grid per hour. For each 5*5km grid cell, data were summarised by calculating total number of uniquely identifiable ship observations per hour that either moved into or out of the focal cell (i.e., ensuring ships were moving). This ensured every vessel observation was tied to a vessel movement.
Process_Step:
Process_Description:
Vessel observations were assigned 5*5 km grid cell labels by spatially joining grid cells with each observation (ESRI: ArcGIS v9.x). Using data-step functions (for e.g., 'proc sort', 'first.obs', and 'lag[]') in the statistics program SAS, the data set was reduced to one uniquely identifiable vessel observation, per cell per hour, and lines were removed when vessel movement between cells was not indicated. 'Proc Tabulate" (SAS v9.x) was used to sum the number of observations per cell (i.e., a spatial grid of values), which we used as an index of relative vessel intensity throughout the British Columbian Exclusive Economic Zone.
Process_Step:
Process_Description:
5x5km cells located outside of Canadian waters were removed from the dataset.
Process_Date: May 3, 2010
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Lindsay McBlane
Contact_Organization: Parks Canada, Western and Northern Service Centre (for BCMCA)
Contact_Position: Resource Conservation Technician
Process_Step:
Process_Description:
Grid cells labelled 130_224, 131_223, 131_224, 132_224 were updated to replace the values in the ferry field with those in the cruise ship field and vice versa.
Process_Date: November 2010
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Carrie Robb
Contact_Organization: Living Oceans Society (for BCMCA)
Contact_Position: GIS Specialist
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 19674
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Albers Conical Equal Area
Albers_Conical_Equal_Area:
Standard_Parallel: 50.000000
Standard_Parallel: 58.500000
Longitude_of_Central_Meridian: -126.000000
Latitude_of_Projection_Origin: 45.000000
False_Easting: 1000000.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.000000
Ordinate_Resolution: 0.000000
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Vessel traffic density winter 2007
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: Col_Label
Attribute:
Attribute_Label: Row_Label
Attribute:
Attribute_Label: Cell_Label
Attribute:
Attribute_Label: Num_osp
Attribute:
Attribute_Label: Cell_Lab_1
Attribute:
Attribute_Label: FISH
Attribute_Definition: relative number fishing vessel movements
Attribute_Definition_Source: Vessels used to catch, process or transport fish.
Attribute:
Attribute_Label: CARR
Attribute_Definition: relative number carrier vessel movements
Attribute_Definition_Source: Bulk cargo and container vessels.
Attribute:
Attribute_Label: Ferr
Attribute_Definition: relative number ferry vessel movements
Attribute_Definition_Source:
Vessels which transport vehicles, passengers and freight on a regular schedule over a regular route.
Attribute:
Attribute_Label: TUG
Attribute_Definition: relative number tug vessel movements
Attribute_Definition_Source: Vessels which tow or propel barges.
Attribute:
Attribute_Label: OIL
Attribute_Definition: relative number tanker vessel movements
Attribute_Definition_Source:
Vessels which transport oil and liquid chemicals, including petroleum and natural gas.
Attribute:
Attribute_Label: CRUI
Attribute_Definition: relative number cruise ship vessel movements
Attribute_Definition_Source:
Vessels which transport passengers only on multi-day journeys to multiple ports.
Attribute:
Attribute_Label: all
Attribute_Definition: relative number all vessel movements
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Ian Wade
Contact_Organization: Canadian Coast Guard
Resource_Description:
Data cannot be distributed without permission of custodian and distributor.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Transfer_Size: 2.949
Metadata_Reference_Information:
Metadata_Date: 20120103
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave Nicolson
Contact_Organization: British Columbia Marine Conservation Analysis
Contact_Position: Project Manager
Contact_Address:
Contact_Electronic_Mail_Address: info@bcmca.ca
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Generated by mp version 2.9.6 on Tue Jan 03 15:20:17 2012