20150114
19052700
1.0
Item Description
FALSE
ChannelQuarter
-170.573703
145.134689
-14.283468
64.501410
1
002
Geographic
GCS_WGS_1984
Angular Unit: Degree (0.017453)
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FF86D0EC-BDCB-48B5-A66A-812BD367D2BF
dataset
US Army Corps of Engineers Mobile District Operations Division Spatial Data Branch
20240406
Esri ArcGIS 13.2.0.49743
ChannelQuarter
2024-04-01T00:00:00
1
-170.573703
145.134689
64.501410
-14.283468
The National Channel Framework (NCF) is an enterprise Geographic Information System (eGIS) database providing information about Congressionally authorized navigation channels maintained by the US Army Corps of Engineers. This service includes channel details based on District-managed GIS polygons rather than on CAD-based linework, and is maintained through the eHydro hydrographic survey application.
<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 11 0;"><SPAN>Polygon representing Congressionally authorized navigation channels maintained by the U.S. Army Corps of Engineers (USACE). This polygon feature class represents the Channels at the Project level. This is the lowest order among the three feature classes participating in the National Channel Framework: Channel Area, Channel Reach, Channel Quarter</SPAN></P><P><SPAN /></P></DIV></DIV></DIV>
National Channel Framework
NCF
eHydro
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>While the United States Army Corps of Engineers, Mobile District(hereinafter referred to USACE) has made a reasonable effort to ensure the accuracy of the maps and associated data, it should be explicitly noted that USACE makes no warranty, representation, or guaranty, either express or implied, as to the content, sequence, accuracy, timeliness, or completeness of any of the data provided herein. The USACE, its officers, agents, employees, or servants shall assume no liability of any nature for any errors, omissions, or inaccuracies in the information provided regardless of how caused. The USACE, its officers, agents, employees, or servants shall assume no liability for any decisions made or actions taken or not taken by the user of the maps and associated data in reliance upon any information or data furnished here. By using these maps and associated data the user does so entirely at his/her own risk and explicitly acknowledges that he/she is aware of and agrees to be bound by this disclaimer and agrees not to present any claim or demand of any nature against the USACE, its officers, agents, employees, or servants in any forum whatsoever for any damages of any nature whatsoever that may result from or may be caused in any way by the use of the maps and associated data.</SPAN></P></DIV></DIV></DIV>
US Army Corps of Engineers Mobile District Operations Division Spatial Data Branch
24587
EPSG
6.2(3.0.1)
ChannelQuarter
Feature Class
24587
Polygon representing Congressionally authorized navigation channels maintained by the U.S. Army Corps of Engineers (USACE). This polygon feature class represents the Channels at the Project level. This is the lowest order among the three feature classes participating in the National Channel Framework: Channel Area, Channel Reach, Channel Quarter
USACE
OBJECTID
OBJECTID
OID
4
10
0
ESRI System Maintained
Esri
Sequential unique whole numbers that are automatically generated.
CHANNELQUARTERIDPK
channelQuarterIDPK
String
25
0
0
Primary Key: Unique fourteen or fifteen character code of each channel reach as defined by the responsible district
USACE
CHANNELREACHIDFK
channelReachIDFK
String
25
0
0
Foreign Key to the related Channel Reach
USACE
SDSFEATURENAME
sdsFeatureName
String
80
0
0
This is the common (local) name printed on the chart most often describing a location or feature near this reach.
USACE
SDSFEATUREDESCRIPTION
sdsFeatureDescription
String
255
0
0
District’s Official Reach Name
USACE
MEDIAIDFK
mediaIDFK
String
100
0
0
Used for SDSFIE compliance; Foreign Key to any media files related to survey (eHydro currently not using this field). NOTE: some data may be present in this field and is for temporary, internal purposes.
USACE
SDSID
sdsID
GUID
38
0
0
Used for SDSFIE compliance; GlobalID
USACE
SDSMETADATAID
sdsMetadataID
String
80
0
0
Used for SDSFIE compliance; Foreign Key GlobalID associated to metadata SDS Primary Key
USACE
SOURCEPROJECTION
sourceProjection
String
100
0
0
Horizontal projection (State Plane Zone) assigned to the survey; Short Name e.g. “Florida North”
USACE
CHANNELQUARTERTYPE
channelQuarterType
String
20
0
0
SE_ANNO_CAD_DATA
SE_ANNO_CAD_DATA
Blob
0
0
0
SHAPE
SHAPE
Geometry
8
0
0
ESRI System Maintained
Esri
Coordinates defining the features.
CHANNELAREAIDFK
CHANNELAREAIDFK
String
50
0
0
Foreign Key to the related Channel Area (Project)
USACE
DATEUPLOADED
DATEUPLOADED
Date
8
0
0
Date channel framework data was uploaded from district to the eHydro system
USACE
SOURCEAGENCY
SOURCEAGENCY
String
20
0
0
9 character code indicating the district and its area office which manages the NCF and eHydro data.
USACE
USACEDISTRICTCODE
usaceDistrictCode
String
5
0
0
5 character code indicating the USACE district
USACE
DEPTHMAINTAINED
depthMaintained
Double
8
38
8
USACE Active depth of maintenance per reach; Unit of measure is expected to match UOM of survey data
USACE
DEPTHAUTHORIZED
depthAuthorized
Double
8
38
8
Congressionally Authorized depth of the channel project; Unit of measure is expected to match UOM of survey data
USACE
projectedarea
projectedArea
Double
8
38
8
areasizeuom
areaSizeUom
String
255
0
0
channelcategory
channelCategory
String
255
0
0
DATELOADEDENTERPRISE
dateLoadedEnterprise
Date
8
0
0
Date processed into the eHydro enterprise system
USACE
shape.STArea()
shape.STArea()
Double
0
0
0
shape.STLength()
shape.STLength()
Double
0
0
0
Enterprise Geodatabase Feature Class
Simple
FALSE
24587
FALSE
FALSE