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Watersheds, Tompkins County NY, 1991

Identification Information
Citation
Originator
Tompkins County Planimetric Project
Publication Date
1991
Title
Watersheds, Tompkins County NY, 1991
Geospatial Data Presentation Form
vector digital data
Publication Information
Publication Place
Tompkins County
Publisher
Tompkins County IT/GIS Program
Online Linkage
https://cugir.library.cornell.edu/catalog/cugir-007500
Abstract
The Tompkins County Planning Department utilized inter-departmental mapping expertise of the Tompkins County Information Technology Services GIS Division to produce defined watershed boundaries for surface water features for Tompkins County, NY. The need for this data set has been identified by various county departments, local municipal agencies, and other not-for-profit organizations.
Purpose
To produce boundaries for watersheds as they were defined for the Tompkins County Planimetric Hydrography data set.
Supplemental Information
Hydrography data originating from the Tompkins County 1991-92 Planimetric project at a scale of 1:4800 was organized into watersheds. Boundaries were created using an automated technique which interpolated the direction of flow of individual grid cells of a DEM. This was used as a rough guideline to refine the boundaries using the water features in the planimetric hydrography data set, the DEC - Water Index Maps, NHD data, and field checks (particularly in perched wetlands that divide watersheds). CUGIR also has Watershed data from the New York State DEC http://cugir2.mannlib.cornell.edu/buckets/Display.jsp?id=491
Temporal Extent
Time Instant
1991
Bounding Box
West
-76.696267
East
-76.237364
North
42.627418
South
42.262698
Theme Keyword
watersheds
surface water
Theme Keyword Thesaurus
None
Theme Keyword
Hydrography
Hydrology
Theme Keyword Thesaurus
LCSH
ISO Topic Category
inlandWaters
Theme Keyword
inland waters
Theme Keyword Thesaurus
CUGIR Category
Place Keyword
Tompkins County (N.Y.)
Place Keyword Thesaurus
LCSH
Temporal Keyword
Access Restrictions
None
Use Restrictions
The following statement must be included with any products that use or are derived from this data set: Data contained in this product was originally produced by the Tompkins County ITS GIS Division and may not be reproduced or redistributed without the express written consent of the originator. The originator does not warrant the accuracy or completeness of the information portrayed by the data.
Status
Complete
Maintenance and Update Frequency
As needed
Point of Contact
Contact Organization
Tompkins County ITS GIS Division
Delivery Point
128 East Buffalo Street
City
Ithaca
State
New York
Postal Code
14850
Country
USA
Contact Telephone
(607) 274-5418
Contact Facsimile Telephone
(607) 274-5420
Contact Electronic Mail Address
gis@tompkins-co.org
Hours of Service
M-F 8:30 a.m. to 4:30 p.m.
Credit
Tompkins County ITS GIS Division
Native Data Set Environment
PATH: /DATA/ARCINFO/COUNTY/NYSP/PHYSICAL/HYDROGRAPHY SOFTWARE: WindowsNT 4.0 x86, Arc/Info Single Precision Coverage
Cross-Reference
Originator
Tompkins County ITS GIS Division
Title
Cayuga Lake
Publication Information
Publication Place
Tompkins County
Publisher
Tompkins County GIS Program
Data Quality Information
Attribute Accuracy Report
See "Source" and "Status" fields of Entity and Attribute Information
Completeness Report
These data cover all water features within Tompkins County
Horizontal Positional Accuracy Report
The assumption is made that the data used to draw the boundaries is good to at least plus or minus 30 feet.
Lineage
Source
Title
Hydrography
Contribution
Source information included in the "Source" field of the Attribute table
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
15
Spatial Reference Information
Horizontal Coordinate System Definition
Planar
Grid Coordinate System
Grid Coordinate System Name
State Plane Coordinate System 1983
State Plane Coordinate System
SPCS Zone Identifier
3102
Transverse Mercator
Planar Coordinate Information
Planar Coordinate Encoding Method
Coordinate Pair
Coordinate Representation
Abscissa Resolution
1
Ordinate Resolution
1
Planar Distance Units
survey feet
Geodetic Model
Horizontal Datum Name
North American Datum of 1983
Ellipsoid Name
Geodetic Reference System 80
Semi-major Axis
6378206
Denominator of Flattening Ratio
294.9786982
Entity and Attribute Information
Entity Type
Entity Type Label
Watersheds (arcs, Watersheds.aat)
Entity Type Definition
Watershed arc segments
Attributes
Acres
Area in Acres of the portion of the watershed that is within the Tompkins County Boundary. (2794 to 48202 Acres)
Definition Source
Tompkins County, GIS
Attribute Value Accuracy Explanation
Acres are calulated from the area, in square feet to at least two decimal places, produced by ArcInfo.
Length
Arc length (Internal Software Attribute, in Map Units)
Definition Source
Tompkins County ITS GIS Division, 2000
Watershed
The name of watershed. Watersheds are typically defined by a line that divides two adjacent stream systems or groups of smaller streams that flow into Cayuga Lake.
Definition Source
Tompkins County ITS GIS Division, 2000
Distribution Information
Format Name
Shapefile
Format Name
metadata
Format Name
HTML metadata
Format Name
KML
Format Name
GeoJSON
Format Name
OGC:WMS
Distributor
Albert R. Mann Library
Online Access
https://cugir-data.s3.amazonaws.com/00/75/00/cugir-007500.zip
Online Access
https://cugir-data.s3.amazonaws.com/00/75/00/fgdc.xml
Online Access
https://cugir-data.s3.amazonaws.com/00/75/00/fgdc.html
Online Access
https://cugir.library.cornell.edu/geoserver/cugir/wfs?version=1.0.0request=GetFeaturetypeName=cugir007500outputFormat=application%2Fvnd.google-earth.kml%2Bxml
Online Access
https://cugir.library.cornell.edu/geoserver/cugir/wfs?version=1.0.0request=GetFeaturetypeName=cugir007500outputFormat=application%2Fjson
Online Access
https://cugir.library.cornell.edu/geoserver/cugir/wms?version=1.1.0request=GetMaplayers=cugir007500bbox=-76.71003409000001,42.2517564,-76.22359691,42.6383596width=256height=203srs=EPSG:4326format=image/png
Name
Metadata Reference Information
Metadata Date
20190524
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Albert R. Mann Library
Contact Address
Address
Albert R. Mann Library
City
Ithaca
State or Province
New York
Postal Code
14853
Country
USA
Contact Voice Telephone
607-255-5406
Contact Electronic Mail Address
mann-ref@cornell.edu
Metadata Standard Name
FGDC Content Standard for Digital Geospatial Metadata
Metadata Standard Version
FGDC-STD-001-1998
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