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Service Description: The National Hydro Network (NHN) focuses on providing a quality geometric description and a set of basic attributes describing Canada's inland surface waters. It provides geospatial digital data compliant with the NHN Standard such as lakes, reservoirs, watercourses (rivers and streams), canals, islands, drainage linear network, toponyms or geographical names, constructions and obstacles related to surface waters, etc. The best available federal and provincial data are used for its production, which is done jointly by the federal and interested provincial and territorial partners. The NHN is created from existing data at the 1:50 000 scale or better. In particular, the modelling work of the NHN was based on Linear Reference System (LRS) concepts. This approach allows the management of geometric representation separately from attribute information (referred to as event in LRS). Unique Identifiers are associated with each geometric and event object. These IDs (called National Identifiers - NIDs) will lead to more efficient management of updates between data producers and data users. The NHN data have a great potential for analysis, cartographic representation and display and will serve as base data in many applications.

Map Name: Layers

Legend

All Layers and Tables

Dynamic Legend

Dynamic All Layers

Layers:

• NHN flowline - 1:250,000 (0)
• NHN flowline - 1:1m to 1:250,000 (1)
• NHN named flowline - 1:2m (2)
• NHN flowline - 1:17m to 1:2m (3)
• NHN waterbody - 1:500,000 (4)
• NHN waterbody - 1: 500k to 1:1m (5)
• NHN waterbody - 1:1m to 1:16m (6)

Description:

Service Item Id: a1505e7315f14cbe947e74fbd0b21682

Copyright Text: Government of Canada, Natural Resources Canada, Earth Sciences Sector, Mapping Information Branch, Centre for Topographic Information - Sherbrooke; Service by ADFG

Spatial Reference: 102006  (3338)


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• Spatial Reference: 102006  (3338)
  

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Spatial Reference: 102006  (3338)

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Spatial Reference: 102006  (3338)

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Document Info:

Title: Western Canada Hydro - in Alaska Albers
Author: R Strauch (AK Albers service only), Data from Govt of Canada
Comments: The National Hydro Network (NHN) focuses on providing a quality geometric description and a set of basic attributes describing Canada's inland surface waters. It provides geospatial digital data compliant with the NHN Standard such as lakes, reservoirs, watercourses (rivers and streams), canals, islands, drainage linear network, toponyms or geographical names, constructions and obstacles related to surface waters, etc. The best available federal and provincial data are used for its production, which is done jointly by the federal and interested provincial and territorial partners. The NHN is created from existing data at the 1:50 000 scale or better. In particular, the modelling work of the NHN was based on Linear Reference System (LRS) concepts. This approach allows the management of geometric representation separately from attribute information (referred to as event in LRS). Unique Identifiers are associated with each geometric and event object. These IDs (called National Identifiers - NIDs) will lead to more efficient management of updates between data producers and data users. The NHN data have a great potential for analysis, cartographic representation and display and will serve as base data in many applications.
Subject: Cached service (Alaska Albers) of Western Canada hydrography
Category:
Keywords: Alaska Albers,Canada Hydro
AntialiasingMode: None
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Child Resources:   Info   Dynamic Layer

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