Waterbodies for the Red River Basin (Canada and US)

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Frequently-anticipated questions:

What does this data set describe?
    Title: Waterbodies for the Red River Basin (Canada and US)
    Abstract:
    Waterbody vectors for the Red River Basin area. This product is a merged vector dataset containing the National Topograghic Database (NTDB) watercourse and wetland entities covering the Canadian portion of the Red River basin in the province of Manitoba at the 1:50 000 scale and the RAD waterbody covering the U.S. portion of the Red River basin in the state North Dakota, Minnesota and South Dakota at the 1:100 000 scale.

  1. How should this data set be cited?

    Canada Centre for Remote Sensing, and U.S. Geological Survey, 20010311, Waterbodies for the Red River Basin (Canada and US): Canada Centre for Remote Sensing & U.S. Geological Survey, Ottawa (Ontario) & Reston (Virginia).

    Online Links:

    • \\PCDISASTERS\G$\aa_project\rr_vec2002\hydro_CAN-US\water_poly\can_us_waterbodies.shp

    This is part of the following larger work.

    .

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -100.918889
    East_Bounding_Coordinate: -93.574470
    North_Bounding_Coordinate: 50.500068
    South_Bounding_Coordinate: 45.237194

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 1978
    Ending_Date: 1999
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: vector digital data

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • G-polygon (55012)

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000000. Longitudes are given to the nearest 0.000000. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257222.

      Vertical_Coordinate_System_Definition:
      Altitude_System_Definition:
      Altitude_Datum_Name: Canada: CGVD28 & US: NGVD29

  7. How does the data set describe geographic features?

    can_us_waterbodies
    Waterbodies for the Red River Basin

    FID
    Internal feature number. (Source: ESRI)

    Range of values
    Minimum:1
    Maximum:32889

    Sequential unique whole numbers that are automatically generated.

    Shape
    Feature geometry. (Source: ESRI)

    Formal codeset
    Codeset Name:Features Geometry.
    Codeset Source:ESRI

    Coordinates defining the features.

    ENTITYNAME
    Name of NTDB entities. (Source: NRCan/CTIS)

    ValueDefinition
    Waterbody 
    Wetland 

    NTS
    National Topographic System Number for Canada (Source: NRCan/CTIS)

    Formal codeset
    Codeset Name:National Topographic System Mapsheet Numbering (1:50000)
    Codeset Source:CTI

    ID
    Unique feature identification number. (Source: NRCan/CTIS)

    ATC
    Explicit code associated with the entity. (Source: NRCan/CTIS)

    ValueDefinition
    1449Generic / unknown
    1454Flooded area
    1450Intermittent / slough
    1453Irrigational canal
    1452Other

    TYPE_
    Waterbody type (not associated to wetland) (Source: USGS)

    ValueDefinition
    0Generic / unknown
    1Intermittent / slough
    2Other
    3Irrigation canal
    4Flooded area

    COM_ID
    Unique identifier of the NHD feature or reach. (Source: USGS)

    RCH_COM_ID
    Unique identifier of the waterbody reach. (Source: USGS)

    In the initial release of the NHD, only lake/pond features are reaches. All other waterbody feature types have a value of -9998 (unspecified). Not all NHD lake/pond features become reaches and a value of -9998 will exist in these cases.

    FTYPE
    Type of NHD waterbody feature. (Source: USGS)

    ValueDefinition
    Area of Complex Channels 
    Canal/Ditch (2-dimensional) 
    Estuary 
    Estuary 
    Lake/Pond 
    Reservoir 
    Sea/Ocean 
    Swamp/Marsh 
    Stream/River (2-dimensional) 
    Wash 

    FCODE
    I Numeric value that encodes the type and values for a set of characteristics for an NHD feature. (Source: USGS)

    ValueDefinition
    3902LAKE/POND: Hydrographic Category|intermittent; Water Characteristics|unspecified
    39004LAKE/POND: Hydrographic Category|perennial; Water Characteristics|unspecified
    43601RESERVOIR: Reservoir Type|aquaculture; Construction Material|unspecified
    43606RESERVOIR: Reservoir Type|disposal-unspecified; Constructin Material|unspecified
    43612Reservoir Type|treatment-sewage treatment pond; Construction Material|unspecified
    43617RESERVOIR: Reservoir Type|water storage; Construction Materail|unspecified; Cover status|unspecified; Hydrographic Category|unspecified
    43620RESERVOIR: Reservoir Type|unspecified; Construction Material|unspecified
    46006STREAM/RIVER: Hydrographic Category|perennial; Positional Accuracy|not applicable
    46600SWAMP/MARSH: feature type only: no attributes

    ELEV
    1 Elevation of the waterbody, in meters above the vertical datum. (Source: USGS)

    Range of values
    Minimum:294
    Maximum:593

    STAGE
    Height of the water surface that is the basis for the elevation. (Source: USGS)

    ValueDefinition
    Average Water Elevation 
    Date of Photography 
    High Water Elevation 
    Normal Pool 
    Spillway Elevation 

    SQ_KM
    Area of the NHD feature, in square kilometers. (Source: USGS)

    GNIS_ID
    GNIS identifier of the waterbody name. A "blank" means that the name is not populated. (Source: USGS)

    NAME
    Text of the waterbody name. A "blank" means that the name is not populated. (Source: USGS)

    OBJECTID
    Unique object identification number (Source: USGS)

    FID_AREA
    (Source: USGS)

    FID_LEN
    (Source: USGS)

    RAD_WB_F_1
    (Source: USGS)

    RAD_WB_F_2
    (Source: USGS)

    Entity_and_Attribute_Overview:
    Information on the National Topographic Databse can be found at the following website <http://www.cits.rncan.gc.ca>. Pdf documents can be downloaded by navigating to Digital Topographic Data/Product Information/Standards and Specifications/NTDB. Information and complete attribute description for the NHD can be found at the official NHD website: <http://nhd.usgs.gov>

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

  3. To whom should users address questions about the data?

    Terry Pultz
    Canada Centre for Remote Sensing
    Research Scientist
    588 Booth Street, Suite 205
    Ottawa, Ontario K1A 0Y7
    Canada

    (613) 947-1316 (voice)
    (613) 947-1385 (FAX)
    terry.pultz@ccrs.nrcan.gc.ca

    Contact_Instructions: E-mail contact preferred.

Why was the data set created?
Dataset was assembled as part of the Joint Canada/US Framework project for the Red River Basin. This dataset provides a base of properly structured vector data designed and suited for geographic information system (GIS) applications. These vectors are intended for geographic display and analysis at the local level, and for small regional areas. The data should be displayed and analyzed at the scales appropriate for 1:50,000 - 1:100,000 scale data.

How was the data set created?
  1. From what previous works were the data drawn?

    RAD (special extract from the NHD) (source 1 of 2)
    U.S. Geological Survey, 1999, National Hydrography Dataset (NHD):.

    Other_Citation_Details:
    <http://mapping.usgs.gov/standards/> <http://nhd.usgs.gov>
    Type_of_Source_Media: electronic mail system
    Source_Scale_Denominator: 100000
    Source_Contribution: Spatial and attribute information

    CTI (source 2 of 2)
    Centre for Topographic Informat, <http://www.CTIS.rncan.gc.ca/>, Varies according to NTS mapsheets, National Topographic Database (NTDB): Centre for Topographic Information, Sherbrooke, Québec.

    Other_Citation_Details:
    NTS mapsheets number appended for the Canadian portion of the Red River Basin - NTS# (Edition, Version, Accuracy (m)) : 62I07 (2,4,50), 62I06 (2,3,100), 62I04 (2,2,100), 62I03 (3,3,10), 62I02 (3,3,10), 62H13 (2,3,30), 62H14 (2,1,30), 62H15 (3,0,10), 62H12 (2,3,100), 62H11 (4,5,25), 62H10 (2,4,50), 62H05 (2,3,100), 62H06 (2,4,100), 62H07 (3,1,50), 62H04 (4,4,25), 62H03 (2,3,100), 62H02 (2,0,30), 62H09 (2,2,50), 62H08 (2,3,50), 62H01 (2,2,50), 52E04 (2,2,50), 62G16 (5,6,10), 62G09 (2,4,100), 62G08 (2,4,100), 62G01 (2,5,100), 62G10 (2,4,100), 62G07 (2,1,100), 62G02 (2,2,100), 62G06 (2,4,30), 62G03 (2,1,100), 62G05 (2,2,100), 62G04 (2,3,100), and 62F01 (2,3,100)
    Type_of_Source_Media: online
    Source_Scale_Denominator: 50000
    Source_Contribution: Spatial and attribute information

  2. How were the data generated, processed, and modified?

    (process 1 of 2)
    NTDB: The 33 NTS mapsheets for the NTDB waterbodies and the wetlands entities were obtained from CTI via FTP. The vectors were received in shapefile format and UTM projection (NAD83, GRS80) and imported to coverages for further processing using ArcGIS. Of the 33 mapsheets 32 of them were in UTM zone 14. The NTS mapsheet 52e04 is located in UTM zone 15 but this mapsheet was reprojected Zone 14 before appending. The 33 mapsheets for the waterbodies and the wetlands were merged seperately using the APPEND command in ArcGIS. The topology was cleaned with a dangle length=0m and fuzzy tolerance=1m and the data visually checked for fit and obvious errors. The waterbodies and the wetlands entities were combined together in one layer using the APPEND command in ArcGIS to match the USGS waterbodies layer. The Canadian Red River Basin waterbody dataset was reprojected to Decimal Degree (NAD83, GRS80) for the next step. RAD: The RAD hydrography dataset is a special extract from the National Hydrography Dataset (NHD). The waterbody files (rad_wb.shp) were appended for the entire Red River Basin (within a 5km buffer). Files were received in shapefiles format in geographic decimal degrees (NAD83, GRS80). Files were imported to coverages for the next step.

    Person who carried out this activity:

    Date: 05-Mar-2002 (process 2 of 2)
    CANADA-US MERGING PROCESS: 1) The Canadian and US coverage files in NAD83 Geographic Decimal Degrees format were appended using the "joincover" script taken from the ERSI website and developped by Sam Henderson . More information on script can be obtained from the following website <http://www.surv.ufl.edu/~sam/joincovers/index.htm> . This application prepares coverages with different attiributes for the APPEND command, it finds all possible items in the feature attribute tables and make them similar by adding and pulling. It does not drop any items and creates a file containing a "superset" of all attributes of the original files. Topology of vectors is updated using a dangle=0 and fuzzy tolerence=0.00001 (degrees) before appending. 2) Merged Canada-US waterbody file was exported to Shapefile geographic decimal degrees for final distributes purposes. 3) Attributes correspondance was evaluated but is was decided not to crosswalk attributes. The full set of Canadian an US waterbody attributes were retained for the exeception of Canadian waterbody attributes relating to feature geometry and some internal GIS attributes (see list below). ORIGINAL NTDB ATTRIBUTES: NAME, width, output, type, n. dec ENTITYNAME 40,40,C,0 NTS 6,6,C,0 EDITION 4,10,B,0 VERSION 4,10,B,0 THEME 2,2,C,0 ID 4,10,B,0 CODE_GENER 4,10,B,0 ATC 4,10,B,0 ATG 4,10,B,0 ATZ 4,10,B,0 ATE 4,10,B,0 ACCURACY 4,10,B,0 TYPE_ 4,10,B,0 ELEVATION 8,19,F,3 CENTROID_X 8,19,F,3 CENTROID_Y 8,19,F,3

    ORIGINAL RAD ATTRIBUTES: NAME, width, output, type, n. dec RAD_WB_ARE 8,19,F,3 WB_ 8,16,F,3 WB_ID 8,16,F,3 COM_ID 8,16,F,3 RCH_COM_ID 8,16,F,3 FTYPE 24,24,C,0 FCODE 4,10,B,0 ELEV 8,16,F,3 STAGE 24,24,C,0 SQ_KM 8,19,F,3 GNIS_ID 8,8,C,0 NAME 99,99,C,0 OBJECTID 4,10,B,0 FID_AREA 8,19,F,3 FID_LEN 8,19,F,3 RAD_WB_F_1 8,19,F,3 RAD_WB_F_2 8,19,F,3

    ATTRIBUTES SUPERSET (NTDB + RAD): FNODE_ TNODE_ LPOLY_ RPOLY_ ENTITYNAME NTS EDITION VERSION THEME ID CODE_GENER ATC ATG ATZ ATE ACCURACY TYPE_ ELEVATION CENTROID_X CENTROID_Y RAD_WB_ARE WB_ WB_ID COM_ID RCH_COM_ID FTYPE FCODE ELEV STAGE SQ_KM GNIS_ID NAME OBJECTID FID_AREA FID_LEN RAD_WB_F_1 RAD_WB_F_2

    RETAINED ATTRIBUTES: GIS Software required -> FID, Shape Canadian Waterbody Attributes -> ENTITYNAME, NTS, ID, ATC, TYPE US Waterbody Attributes -> COM_ID, RCH_COM_ID, FTYPE, FCODE, ELEV, STAGE , SQ_KM, GNIS_ID, NAME OBJECTID, FID_AREA, FID_LEN, RAD_WB_F_1, RAD_WB_F_2

    Person who carried out this activity:

    Alice Deschamps
    Canada Centre for Remote Sensing
    588 Booth St., suite 205
    Ottawa, Ontario K1A 0Y7
    Canada

    (613) 947-1279 (voice)
    alice.deschamps@ccrs.nrcan.gc.ca

How reliable are the data; what problems remain in the data set?
  1. How well have the observations been checked?

    Source attributes of intererest were maintained and unaltered.

  2. How accurate are the geographic locations?

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    The data completeness reflects the content of the original NTDB (Canada) and NHD (US) files.

  5. How consistent are the relationships among the observations, including topology?

    Topological checks were performed on this data to ensure valid arc-node topology. All topological-building operations were done using a fuzzy tolerence equivalent to approximately 1 meter (0.00001 degree). Dataset was visually check for inconsistencies but the source data was assumed to be correct.

How can someone get a copy of the data set?
Are there legal restrictions on access or use of the data?

Access_Constraints:
Data accessible only by members of the Joint Canada/US Framework project for the Red River Basin due to Canadian copyright laws.
Use_Constraints:
Members of the Joint Canada/US Framework project should acknowledge of the Centre for Topographic Information in Sherbrooke, Canada Centre for Remote Sensing, and the U.S. Geological Survey when citing the data source. The data cannot be redistributed.

  1. Who distributes the data set?[Distributor contact information not provided.]

  2. What's the catalog number I need to order this data set?

  3. What legal disclaimers am I supposed to read?

    Although these data have been processed successfully on a computer system at the Canada Centre for Remote Sensing and the U.S. Geological Survey, no warranty expressed or implied is made by the either organism regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. No responsibility is assumed by the the Canada Centre for Remote Sensing and U.S. Geological Survey in the use of these data.

  4. How can I download or order the data?

Who wrote the metadata?
Dates:
Last modified: 08-Mar-2002

Metadata author:
Alice Deschamps
Canada Centre for Remote Sensing
Reseach Associate
Ottawa, Ontario K1N 0Y7

(613) 947-1279 (voice)
(613) 947-1385 (FAX)
alice.deschamps@ccrs.nrcan.gc.ca

Contact_Instructions: E-mail contact preferred.
Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

Metadata extensions used:

Generated by mp version 2.7.3 on Tue Jul 23 10:04:27 2002