Geographic Information
Irrigated/Non-irrigated Lands, 1986, Eastern Snake Plain Aquifer, Idaho (raster format)
Irrigated/Non-irrigated Lands, 1986, Eastern Snake Plain Aquifer, Idaho (raster format)
FGDC Metadata
Description Spatial Data Structure Data Quality Data Source Data Distribution Metadata
+ Resource Description
Citation
Information used to reference the data.
Title: Irrigated/Non-irrigated Lands, 1986, Eastern Snake Plain Aquifer, Idaho (raster format)
Originators: Geospatial Technology Section, Idaho Department of Water Resources
Series name: p3940r2930_1986_irrpatch_fill2.img
Data type: remote-sensing image
Description
A characterization of the data, including its intended use and limitations.
Abstract:
This is a 30-meter raster dataset created from Landsat TM data in which a value of 0 denotes non-irrigated land and a value of 1 denotes irrigated land. NDVI images were processed for three dates for Path 40 Rows 29-30 (1986/05/28, 1986/06/13, 1986/07/31) as well as three dates for Path 39 Rows 29-30 (1986/06/22, 1986/08/09, 1986/10/12). The NDVI images were then processed in an unsupervised classification with 250 classes using ERDAS Imagine followed by a supervised classification in which the classes were grouped and labeled as irrigated or non-irrigated.
Purpose:
This data set was generated to use in the calculation of recharge and evapotranspiration in order to calibrate the Eastern Snake Plain Aquifer Hydrologic Model.
Dataset credit:
Image classifications and image processing: Margie Wilkins, IDWR
Point Of Contact
Contact information for the individual or organization that is knowledgeable about the data.
Organization: Idaho Department of Water Resources
Person: Geospatial Technology
Position: GIS Analyst
Phone: (208) 287-4800
Fax: (208) 287-6700
Email: gisinfo@idwr.idaho.gov
Instructions:
http://research.idwr.idaho.gov
Address type: mailing and physical
Address:
322 East Front Street
City: Boise
State or Province: ID
Postal code: 83720
Data Type
How the data are represented, formatted and maintained by the data producing organization.
Data type: remote-sensing image
Native dataset environment: Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.1.1.3143
Time Period of Data
Time period(s) for which the data corresponds to the currentness reference.
Date: 19860528
Date: 19861012
Date: 19860622
Date: 19860809
Date: 19860613
Date: 19860731
Currentness reference:
ground condition
Status
The state of and maintenance information for the data.
Data status: Complete
Update frequency: None planned
Key Words
Words or phrases that summarize certain aspects of the data.
Theme:
Keywords: Land Use, Land Cover
Keyword thesaurus: None
Place:
Keywords: Idaho
Keyword thesaurus: None
Place:
Keywords: Eastern Snake Plain Aquifer, Idaho, Snake River Plain
Keyword thesaurus: None
Data Access Constraints
Restrictions and legal prerequisites for accessing or using the data after access is granted.
Access constraints:
None
Use constraints:
The Idaho Department of Water Resources is making this data available as a public service. The Idaho Department of Water Resources strives to ensure that all technical data and other information made available to the public is accurate, complete and in conformance with the Idaho Public Records Act. Neither the Department of Water Resources nor the State of Idaho, however, assumes any legal responsibility for the accuracy or completeness of the information contained on this site. Persons using information from this site for official purposes, or other purposes, for which accuracy and completeness are required, are hereby notified that they should first verify the information with the public records or other primary sources from which the information was obtained.
+ Spatial Reference Information
Spatial Domain
The geographic areal domain of the data that describes the western, eastern, northern, and southern geographic limits of data coverage.
Bounding Coordinates
In Unprojected coordinates (geographic)
Boundary Coordinate
West -115.298496 (longitude)
East -111.340147 (longitude)
North 44.491916 (latitude)
South 42.066197 (latitude)
+ Data Structure and Attribute Information
Overview
Summary of the information content of the data, including other references to complete descriptions of entity types, attributes, and attribute values for the data.
Direct spatial reference method: Vector
Attributes of 1986_IrrigatedLands_ESPA.img.vat
Detailed descriptions of entity type, attributes, and attribute values for the data.
Description:
Internal Feature Number
Attributes
OID
Definition:
Internal feature number.
Attribute values: Sequential unique whole numbers that are automatically generated.
Attribute definition source:
ESRI
Value
Definition:
pixel value
Attribute domain values
Value Definition
0
non-irrigated
1
irrigated
Attribute definition source:
IDWR assigned through land classification process
Red
Green
Blue
Opacity
Count
SDTS Feature Description
Description of point and vector spatial objects in the data using the Spatial Data Transfer Standards (SDTS) terminology.
Spatial data transfer standard (SDTS) terms
Feature class
Type: GT-polygon composed of chains
Count: 212344
Raster Information
Type and number of raster spatial objects in the data.
Raster object type: Grid Cell
Cell information
Number of cells on x-axis: 10495
Number of cells on y-axis: 8874
+ Data Quality and Accuracy Information
General
Information about the fidelity of relationships, data quality and accuracy tests, omissions, selection criteria, generalization, and definitions used to derive the data.
Logical consistency report:
Land use classifications based on irrigation status are bound to have errors. No ground verification was made.
Attribute Accuracy
Accuracy of the identification of data entities, features and assignment of attribute values.
Attribute accuracy report:
Land use classifications based on irrigation status are bound to have errors. No ground verification was made.
+ Data Source and Process Information
Process Steps
Information about events, parameters, tolerances and techniques applied to construct or derive the data.
Process step information
Process Step 1
Process description:
Process Step 5. Perform supervised classification using ERDAS Imagine: input signature file: isodata unsupervised classification from previous step. attribute options: accept defaults non-parametric rule: none parametric rule: maximum likelihood
Process Step 2
Process description:
Process Step 2. Produce NDVI images for each Landsat scene.
Process Step 3
Process description:
Process Step 6. Grouping tool using ERDAS Imagine to label classes as irrigated or non-irrigated.
Process Step 4
Process description:
Process Step 4. Perform isodata unsupervised classification using ERDAS Imagine: number of classes: 250 color scheme options: approximate true color r=3, g=2, b=1 maximum iterations: 20 convergence threshold: 0.950 skip factors: X=1, Y=1
Process Step 5
Process description:
Process Step 7. Mosaic Path 40 Rows 29-30 and Path 39 Rows 29-30 using ERDAS Imagine.
Process Step 6
Process description:
Process Step 1. Each Landsat scene was clipped to the same extent using an ERDAS Imagine model.
Process Step 7
Process description:
Process Step 8. Create Metadata.
Process Step 8
Process description:
Process Step 3. Layerstack NDVI images from earliest date to latest date using ERDAS Imagine.
+ Data Distribution Information
General
Description of the data known by the party from whom the data may be obtained, liability of party distributing data, and technical capabilities required to use the data.
Distribution liability:
The Idaho Department of Water Resources is making this data available as a public service. The Idaho Department of Water Resources strives to ensure that all technical data and other information made available to the public is accurate, complete and in conformance with the Idaho Public Records Act. Neither the Department of Water Resources nor the State of Idaho, however, assumes any legal responsibility for the accuracy or completeness of the information contained on this site. Persons using information from this site for official purposes, or other purposes, for which accuracy and completeness are required, are hereby notified that they should first verify the information with the public records or other primary sources from which the information was obtained.
Distribution Point of Contact
Contact information for the individual or organization distributing the data.
Organization: Idaho Department of Water Resources
Person: Geospatial Technology
Position: GIS Analyst
Phone: (208) 287-4800
Fax: (208) 287-6700
Email: gisinfo@idwr.idaho.gov
Hours of service: 8:00 to 5:00
Instructions:
http://research.idwr.idaho.gov
Address type: mailing
Address:
322 East Front Street
City: Boise
State or Province: ID
Postal code: 83720
Country: US
Standard Order Process
Common ways in which data may be obtained.
Digital form:
Format name: ERDAS Imagine format, dependent upon request
Digital transfer option:
Online option:
Computer information:
Network address:
Network resource name: http://research.idwr.idaho.gov
Fees: To be determined at time of order
+ Metadata Reference
Metadata Date
Dates associated with creating, updating and reviewing the metadata.
Last updated: 20130719
Metadata Point of Contact
Contact information for the individual or organization responsible for the metadata information.
Organization: Idaho Department of Water Resources
Person: Geospatial Technology
Position: GIS Analyst
Phone: (208) 287-4800
Fax: (208) 287-6700
Email: gisinfo@idwr.idaho.gov
Hours of service: 8:00 to 5:00
Instructions:
http://research.idwr.idaho.gov
Address type: mailing
Address:
322 East Front Street
City: Boise
State or Province: ID
Postal code: 83720-0098
Country: US
Metadata Standards
Description of the metadata standard used to document the data and reference to any additional extended profiles to the standard used by the metadata producer.
Standard name: FGDC Content Standard for Digital Geospatial Metadata
Standard version: FGDC-STD-001-1998
Time convention: local time
FGDC Plus Metadata Stylesheet
Stylesheet: FGDC Plus Stylesheet
File name: FGDC Plus.xsl
Version: 2.3
Description: This metadata is displayed using the FGDC Plus Stylesheet, which is an XSL template that can be used with ArcGIS software to display metadata. It displays metadata elements defined in the Content Standard for Digital Geospatial Metadata (CSDGM) - aka FGDC Standard, the ESRI Profile of CSDGM, the Biological Data Profile of CSDGM, and the Shoreline Data Profile of CSDGM. CSDGM is the US Federal Metadata standard. The Federal Geographic Data Committee originally adopted the CSDGM in 1994 and revised it in 1998. According to Executive Order 12096 all Federal agencies are ordered to use this standard to document geospatial data created as of January, 1995. The standard is often referred to as the FGDC Metadata Standard and has been implemented beyond the federal level with State and local governments adopting the metadata standard as well. The Biological Data Profile broadens the application of the CSDGM so that it is more easily applied to biological data that are not explicitly geographic (laboratory results, field notes, specimen collections, research reports) but can be associated with a geographic location. Includes taxonomical vocabulary. The Shoreline Data Profile addresses variability in the definition and mapping of shorelines by providing a standardized set of terms and data elements required to support metadata for shoreline and coastal data sets. The FGDC Plus Stylesheet includes the Dublin Core Metadata Element Set. It supports W3C DOM compatible browsers such as IE7, IE6, Netscape 7, and Mozilla Firefox. It is in the public domain and may be freely used, modified, and redistributed. It is provided "AS-IS" without warranty or technical support.
Instructions: On the top of the page, click on the title of the dataset to toggle opening and closing of all metadata content sections or click section links listed horizontally below the title to open individual sections. Click on a section name (e.g. Description) to open and close section content. Within a section, click on a item name (Status, Key Words, etc.) to open and close individual content items. By default, the Citation information within the Description section is always open for display.
Download: FGDC Plus Stylesheet is available from the ArcScripts downloads at www.esri.com.