# Playas

Shapefile

Tags
ephemeral wetlands, surface hydrology, Edwards Plateau, Rolling Plains, playa lake, High Plains, Texas, wildlife habitat, ecological diversity

Summary
Delineation of High Plains Playa lakes during mid-winter duck surveys.

Description

The playa lakes of the Texas High Plains extend from the northern Panhandle to the Trans-Pecos and Edwards Plateau. Playa lakes are shallow, flat-bottom, circular shaped ephemeral wetlands, which provide critical wildlife habitat. Playa lakes occur where inundated clay soils form seals trapping water in surficial depressions. The playa data in this coverage were derived from 1999-2001 Landsat ETM imagery and the 1998 Texas Tech Playa Lake Study (http://www.gstlab.rw.ttu.edu/playas.pdf). Scale is 1:50,000.

Credits
There are no credits for this item.

Use limitations
There are no access and use limitations for this item.

## ArcGIS Metadata ▼►

## Topics and Keywords ▼►

Place keywordsEdwards Plateau, Rolling Plains, High Plains, Texas

Theme keywordsephemeral wetlands, surface hydrology, playa lake, wildlife habitat, ecological diversity

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## Citation ▼►

* TitlePlayas
Publication date

Indeterminate dateinapplicable

Presentation formats *digital map
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## Citation Contacts ▼►

Responsible party

Organization's nameDuane German, Texas Parks and Willdlife
Contact's roleoriginator

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## Resource Details ▼►

Dataset languagesEnglish (UNITED STATES)
Statuscompleted
Spatial representation type *vector
* Processing environmentMicrosoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcGIS 10.0.3.3600
ArcGIS item properties

* NamePlayas
* Size3.977
* Locationfile://\\GIS-CBANKSXP\E\PDaugherty\data\Data_Downloads\Playas.shp

* Access protocolLocal Area Network

* Content typeDownloadable Data

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## Extents ▼►

Extent

Geographic extent

Bounding rectangle

Extent typeExtent used for searching
* West longitude-103.034105
* East longitude-100.031124
* North latitude36.492811
* South latitude31.712849
* Extent contains the resourceYes

Extent in the item's coordinate system

* West longitude-103.034105
* East longitude-100.031124
* South latitude31.712849
* North latitude36.492811
* Extent contains the resourceYes

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## Resource Maintenance ▼►

Resource maintenance

Update frequencynot planned

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## Spatial Reference ▼►

ArcGIS coordinate system

* TypeGeographic
* Geographic coordinate referenceGCS_North_American_1983
* Coordinate reference details

Geographic coordinate system

Well-known identifier4269
X origin-399.99999999999989
Y origin-399.99999999999989
XY scale11258999068426.24
Z origin-100000
Z scale10000
M origin-100000
M scale10000
XY tolerance8.9831528411952117e-009
Z tolerance0.001
M tolerance0.001
High precisiontrue
Left longitude-180
Well-known textGEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433],AUTHORITY["EPSG",4269]]

Reference system identifier

* Value4269
* CodespaceEPSG
* Version7.4.1

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## Spatial Data Properties ▼►

Vector ▼►

* Level of topology for this datasetgeometry only
Geometric objects

Feature class namePlayas
* Object typecomposite
* Object count13277

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ArcGIS Feature Class Properties ▼►

* Feature typeSimple
* Geometry typePolygon
* Has topologyFALSE
* Feature count13277
* Spatial indexTRUE
* Linear referencingFALSE

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## Data Quality ▼►

Scope of quality information ▼►

Resource leveldataset

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Data quality report - Quantitative attribute accuracy ▼►

Measure description99% + of 200+ locations verified

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## Lineage ▼►

Process step ▼►

DescriptionData from the 1998 Texas Tech Playa Lakes Digital Database were modified from Landsat TM data for the High Plains/Rolling Plains area.
Process contact

Individual's nameDuane German
Organization's nameTexas Parks & Wildlife Dept.
Contact's positionEcologist
Contact's roleprocessor

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Source data ▼►

Extent of the source data

Description

      Dates of County Soil Surveys range from 3/1959 to 7/1998

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Source data ▼►

Extent of the source data

Description

      7/5/99 - 10/14/01

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Source data ▼►

Extent of the source data

Description

      various orthophoto imagery dates

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Hide Lineage ▲

## Geoprocessing history ▼►

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## Distribution ▼►

Distributor ▼►

Contact information

Individual's nameMarian O'Brien
Organization's nameTexas Parks and Wildlife GIS Lab
Contact's positionGIS Analyst
Contact's roledistributor

Contact information ▼►

Phone

Voice512-389-8315
Fax512-389-8300

Address

Typeboth
Delivery point4200 Smith School Road
CityAustin
Administrative areaTexas
Postal code78744
CountryUSA
e-mail address mailto:marian.obrien@tpwd.state.tx.us?subject=Playas

Hours of serviceM-F 8 to 5

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Distribution format

* Format nameShapefile

Transfer options

* Transfer size3.977

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## Fields and Subtypes ▼►

Details for object Playas ▼►

* TypeFeature Class
* Row count13277
Field X_COORD ▼►

* Width4
* Output width18
* Data typeOID
* AliasFID
* Precision0
* Scale0
* Field description

      Internal feature number.

* Description source

      ESRI

* Description of valuesSequential unique whole numbers that are automatically generated.

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Field Y_COORD ▼►

* Width19
* Output width18
* Data typeDouble
* AliasY_COORD
* Precision0
* Scale0
* Field description

      Internal feature number.

* Description source

      ESRI

* Description of valuesSequential unique whole numbers that are automatically generated.

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Field LONG_DEG ▼►

* Width19
* Output width18
* Data typeDouble
* AliasLONG_DEG
* Precision0
* Scale0
* Field description

      Internal feature number.

* Description source

      ESRI

* Description of valuesSequential unique whole numbers that are automatically generated.

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Field LONG_MIN ▼►

* Width19
* Output width18
* Data typeDouble
* AliasLONG_MIN
* Precision0
* Scale0
* Field description

      Internal feature number.

* Description source

      ESRI

* Description of valuesSequential unique whole numbers that are automatically generated.

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Field LAT_DEG ▼►

* Width19
* Output width16
* Data typeDouble
* AliasLAT_DEG
* Precision0
* Scale0
* Field description

      Feature geometry.

* Description source

      ESRI

* Description of valuesCoordinates defining the features.

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Field Shape_Leng ▼►

* AliasShape_Leng
* Data typeDouble
* Width19
* Precision0
* Scale0
* Field description

      Feature geometry.

* Description source

      ESRI

* Description of valuesCoordinates defining the features.

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Field SHAPE ▼►

* AliasShape_Area
* Data typeDouble
* Width19
* Precision0
* Scale0
* Field description

      Feature geometry.

* Description source

      ESRI

* Description of valuesCoordinates defining the features.

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Field Shape_Area ▼►

* AliasLAT_MIN
* Data typeDouble
* Width19
* Precision0
* Scale0
* Field description

      Area of feature in internal units squared.

* Description source

      ESRI

* Description of valuesPositive real numbers that are automatically generated.

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Field LAT_MIN ▼►

* Width19
* Output width16
* Data typeDouble
* AliasBase_HYDRO
* Precision0
* Scale0
* Field description

      Internal feature number.

* Description source

      ESRI

* Description of valuesSequential unique whole numbers that are automatically generated.

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Field Base_HYDRO ▼►

* AliasShape
* Data typeGeometry
* Width0
* Precision0
* Scale0
* Field description

      Feature geometry.

* Description source

      ESRI

* Description of valuesCoordinates defining the features.

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Field Shape ▼►

* Width19
* Output width16
* Data typeDouble
* AliasPERIMETER
* Precision0
* Scale0
* Field description

      Feature geometry.

* Description source

      ESRI

* Description of valuesCoordinates defining the features.

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Field PERIMETER ▼►

* Width9
* Output width18
* Data typeInteger
* AliasPLAYAPY_
* Precision9
* Scale0
* Field description

      Area of feature in internal units squared.

* Description source

      ESRI

* Description of valuesPositive real numbers that are automatically generated.

Hide Field PERIMETER ▲
Field PLAYAPY_ ▼►

* Width9
* Output width18
* Data typeInteger
* AliasPLAYAPY_ID
* Precision9
* Scale0
* Field description

      Perimeter of feature in internal units.

* Description source

      ESRI

* Description of valuesPositive real numbers that are automatically generated.

Hide Field PLAYAPY_ ▲
Field PLAYAPY_ID ▼►

* Width19
* Output width5
* Data typeDouble
* AliasHECTARES
* Precision0
* Scale0
* Field description

      Internal feature number.

* Description source

      ESRI

* Description of valuesSequential unique whole numbers that are automatically generated.

Hide Field PLAYAPY_ID ▲
Field HECTARES ▼►

* Width19
* Output width5
* Data typeDouble
* AliasX_COORD
* Precision0
* Scale0
* Field description

      User-defined feature number.

* Description source

      ESRI

Hide Field HECTARES ▲

Hide Details for object Playas ▲
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## Metadata Details ▼►

Metadata languageEnglish (UNITED STATES)
Scope of the data described by the metadatadataset
Scope name *dataset
* Last update2012-11-09
ArcGIS metadata properties

Metadata formatArcGIS 1.0
Standard or profile used to edit metadataNAP
Created in ArcGIS2007-04-17T10:10:03
Last modified in ArcGIS2012-11-09T11:00:10
Automatic updates

Have been performedYes
Last update2012-11-09T11:00:10

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## Thumbnail and Enclosures ▼►

Thumbnail

Thumbnail typeJPG

Enclosure

Enclosure typeFile
Description of enclosureoriginal metadata
Original metadata document, which was translatedyes
Original file namesource_metadata.xml

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## FGDC Metadata (read-only) ▼►

## Identification ▼►

  Citation
    Citation Information
      Originator Duane German, Texas Parks and Willdlife
      Publication Date Unpublished Material
      Title
        Playas
      Geospatial Data Presentation Form vector digital data
      Online Linkage Server=gis-dbprod; Service=5160; Database=base_data; User=ris_admin; Version=sde.DEFAULT
  Description
    Abstract

          The playa lakes of the Texas High Plains extend from the northern Panhandle to the Trans-Pecos and Edwards Plateau. Playa lakes are shallow, flat-bottom, circular shaped ephemeral wetlands, which provide critical wildlife habitat. Playa lakes occur where inundated clay soils form seals trapping water in surficial depressions. The playa data in this coverage were derived from 1999-2001 Landsat ETM imagery and the 1998 Texas Tech Playa Lake Study (http://www.gstlab.rw.ttu.edu/playas.pdf). Scale is 1:50,000.

    Purpose

          Delineation of High Plains Playa lakes during mid-winter duck surveys.

  Time Period of Content
    Currentness Reference

          ground condition

  Status
    Progress Complete
    Maintenance and Update Frequency None planned
  Spatial Domain
    Bounding Coordinates
      West Bounding Coordinate -103.034105
      East Bounding Coordinate -100.031124
      North Bounding Coordinate 36.492811
      South Bounding Coordinate 31.712849
  Keywords
    Theme
      Theme Keyword ephemeral wetlands
      Theme Keyword surface hydrology
      Theme Keyword playa lake
      Theme Keyword wildlife habitat
      Theme Keyword ecological diversity
    Place
      Place Keyword Texas
      Place Keyword High Plains
      Place Keyword Rolling Plains
      Place Keyword Edwards Plateau
  Access Constraints

        none

  Use Constraints

        none

  Native Data Set Environment
    Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.780

Hide Identification ▲

## Data Quality ▼►

  Attribute Accuracy
    Attribute Accuracy Report

          99% + of 200+ locations verified

  Lineage
    Source Information
      Source Time Period of Content
        Source Currentness Reference
          Dates of County Soil Surveys range from 3/1959 to 7/1998
      Source Citation Abbreviation
        County Soil Surveys, published by Natural Resource Conservation Service (formerly the Soil conservation Service)
    Source Information
      Source Time Period of Content
        Source Currentness Reference
          various orthophoto imagery dates
      Source Citation Abbreviation
        7 1/2 minute quadrangle maps published by USGS
    Source Information
      Source Time Period of Content
        Source Currentness Reference
          7/5/99 - 10/14/01
      Source Citation Abbreviation
        LANDSAT 7 ETM Imagery
    Process Step
      Process Description

            Data from the 1998 Texas Tech Playa Lakes Digital Database were modified from Landsat TM data for the High Plains/Rolling Plains area.

      Source Used Citation Abbreviation
        d:\playapy
      Process Date Dec 2000 - Feb 2001
      Process Contact
        Contact Information
          Contact Person Primary
            Contact Person Duane German
            Contact Organization Texas Parks & Wildlife Dept.
          Contact Position Ecologist
    Process Step
      Process Description

            Dataset copied.

      Source Used Citation Abbreviation
    Process Step
      Process Description

            Dataset copied.

      Source Used Citation Abbreviation
        Server=GIS-DAPP; Service=esri_sde; Database=RIS_DEV; User=arcsdeuser; Version=sde.DEFAULT
    Process Step
      Process Description

            Dataset copied.

      Source Used Citation Abbreviation
        Server=ris-dappdev; Service=port:5152; Database=ris_data; User=arcsdeuser; Version=sde.DEFAULT
    Process Step
      Process Description

            Dataset copied.

      Source Used Citation Abbreviation
        Server=ris-dappdev2; Service=5151; Database=ris_data; User=arcsdeuser; Version=sde.DEFAULT
    Process Step
      Process Description

            Dataset copied.

      Source Used Citation Abbreviation
        Server=RIS-DAPPDEV2; Service=5153; Database=BASE_data; User=ris_admin; Version=sde.DEFAULT

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## Spatial Reference ▼►

  Horizontal Coordinate System Definition
    Geographic
      Latitude Resolution 0.000000
      Longitude Resolution 0.000000
      Geographic Coordinate Units Decimal degrees
    Geodetic Model
      Horizontal Datum Name North American Datum of 1983
      Ellipsoid Name Geodetic Reference System 80
      Semi-major Axis 6378137.000000
      Denominator of Flattening Ratio 298.257222
  Vertical Coordinate System Definition
    Altitude System Definition
      Altitude Resolution 1.000000
      Altitude Encoding Method Explicit elevation coordinate included with horizontal coordinates

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## Entities and Attributes ▼►

  Detailed Description
    Entity Type
      Entity Type Label Playas
    Attribute
      Attribute Label X_COORD
      Attribute Definition
        Internal feature number.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Sequential unique whole numbers that are automatically generated.
    Attribute
      Attribute Label Y_COORD
      Attribute Definition
        Internal feature number.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Sequential unique whole numbers that are automatically generated.
    Attribute
      Attribute Label LONG_DEG
      Attribute Definition
        Internal feature number.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Sequential unique whole numbers that are automatically generated.
    Attribute
      Attribute Label LONG_MIN
      Attribute Definition
        Internal feature number.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Sequential unique whole numbers that are automatically generated.
    Attribute
      Attribute Label LAT_DEG
      Attribute Definition
        Feature geometry.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Coordinates defining the features.
    Attribute
      Attribute Label Shape_Leng
      Attribute Definition
        Feature geometry.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Coordinates defining the features.
    Attribute
      Attribute Label SHAPE
      Attribute Definition
        Feature geometry.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Coordinates defining the features.
    Attribute
      Attribute Label Shape_Area
      Attribute Definition
        Area of feature in internal units squared.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Positive real numbers that are automatically generated.
    Attribute
      Attribute Label LAT_MIN
      Attribute Definition
        Internal feature number.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Sequential unique whole numbers that are automatically generated.
    Attribute
      Attribute Label Base_HYDRO
      Attribute Definition
        Feature geometry.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Coordinates defining the features.
    Attribute
      Attribute Label Shape
      Attribute Definition
        Feature geometry.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Coordinates defining the features.
    Attribute
      Attribute Label PERIMETER
      Attribute Definition
        Area of feature in internal units squared.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Positive real numbers that are automatically generated.
    Attribute
      Attribute Label PLAYAPY_
      Attribute Definition
        Perimeter of feature in internal units.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Positive real numbers that are automatically generated.
    Attribute
      Attribute Label PLAYAPY_ID
      Attribute Definition
        Internal feature number.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Sequential unique whole numbers that are automatically generated.
    Attribute
      Attribute Label HECTARES
      Attribute Definition
        User-defined feature number.
      Attribute Definition Source ESRI

Hide Entities and Attributes ▲

## Distribution Information ▼►

  Resource Description Downloadable Data
  Standard Order Process
    Digital Form
      Digital Transfer Information
        Transfer Size 8.154

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## Metadata Reference ▼►

  Metadata Date 2007-04-17
  Metadata Contact
    Contact Information
      Contact Organization Primary
        Contact Organization REQUIRED: The organization responsible for the metadata information.
        Contact Person REQUIRED: The person responsible for the metadata information.
      Contact Address
        Address Type REQUIRED: The mailing and/or physical address for the organization or individual.
        City REQUIRED: The city of the address.
        State or Province REQUIRED: The state or province of the address.
        Postal Code REQUIRED: The ZIP or other postal code of the address.
      Contact Voice Telephone REQUIRED: The telephone number by which individuals can speak to the organization or individual.
  Metadata Standard Name FGDC Content Standards for Digital Geospatial Metadata
  Metadata Standard Version FGDC-STD-001-1998
  Metadata Time Convention local time

Hide Metadata Reference ▲