USGS:Biology Biological Informatics Program Vegetation Characterization Program Sunset Crater Volcano National Monument Accuracy Assessment Metadata

Accuracy Assessment Metadata

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Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Kathryn Thomas

Originator: Becci Dale Anderson

Originator: Monica Hansen (comp.)

Publication_Date: 2004

Title:

Accuracy Assessment Points: Sunset Crater Volcano National Monument

Geospatial_Data_Presentation_Form: vector digital data

Online_Linkage:

<http://biology.usgs.gov/npsveg/sucr/index.html#accuracy_assessment_info>

Larger_Work_Citation:

Citation_Information:

Originator:

M. Hansen, J. Coles, K.A. Thomas, D. Cogan, M. Reid, J. Von Loh, K. Schultz

Publication_Date: 2004

Title:

USGS-NPS National Vegetation Mapping Program: Sunset Crater Volcano National Monument, Arizona, Vegetation Classification and Distribution, Final Project Report

Geospatial_Data_Presentation_Form: report

Description:

Abstract:

This spatial dataset in ESRI Coverage format maps accuracy assessment point locations for the vegetation map at Sunset Crater Volcano National Monument and in the surrounding environs as part of the National Vegetation Mapping Program.

Purpose:

This data set was developed as part of the accuracy assessment sampling design for the vegetation map at Sunset Crater Volcano National Monument and the surrounding environs. Points were developed to lead the field sampling and to determine if mapped polygons were correctly assigned in the field.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 200108

Ending_Date: 200211

Currentness_Reference: ground condition

Status:

Progress: Complete

Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Description_of_Geographic_Extent: Sunset Crater Volcano National Monument and the environs.

Bounding_Coordinates:

West_Bounding_Coordinate: -111.577301

East_Bounding_Coordinate: -111.467991

North_Bounding_Coordinate: 35.407216

South_Bounding_Coordinate: 35.327553

Keywords:

Theme:

Theme_Keyword_Thesaurus: none

Theme_Keyword: Accuracy assessment points

Place:

Place_Keyword_Thesaurus: none

Place_Keyword: North America

Place_Keyword: United States

Place_Keyword: Southwestern United States

Place_Keyword: Arizona

Place_Keyword: Coconino County

Place_Keyword: Sunset Crater National Monument

Access_Constraints: None

Use_Constraints:

This data was compiled for government use and represent the results of data collection/processing for a specific USGS/BRD activity/project. The USGS/BRD makes no representation as to the suitability or accuracy of this data for any other purpose and disclaims any liability for errors that the data may contain. As such, it is only valid for its intended use, content, time, and accuracy specifications. While there are no explicit constraints on the use of this data, please exercise appropriate and professional judgment in the use and interpretation of this data. Acknowledgement of the originating agencies would be appreciated in products derived from this data.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Kathryn A. Thomas

Contact_Organization: USGS-SBSC-Colorado Plateau Research Station

Contact_Position: Project Leader, Vegetation Scientist

Contact_Address:

Address_Type: mailing and physical address

Address: U.S. Geological Survey

Address: Southwest Biological Science Center

Address: Colorado Plateau Research Station

Address: 2255 North Gemini Drive, Building 4

City: Flagstaff

State_or_Province: Arizona

Postal_Code: 86001

Country: USA

Contact_Voice_Telephone: 928.556.7327

Contact_Facsimile_Telephone: 928.556.7500

Contact_Electronic_Mail_Address: Kathryn_A_Thomas@usgs.gov

Hours_of_Service: 8:00 a.m. to 5:00 p.m. (Arizona time), Monday through Friday

Contact_Instructions: E-mail

Browse_Graphic:

Browse_Graphic_File_Name: <http://biology.usgs.gov/npsveg/sucr/images/sucraa.pdf>

Browse_Graphic_File_Description:

424 kbyte file showing vegetation associations and location of accuracy assessment points

Browse_Graphic_File_Type: PDF

Native_Data_Set_Environment:

Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.2.0.700

Cross_Reference:

Citation_Information:

Originator:

Kathryn Thomas, U.S. Geological Survey, Southwest Biological Science Center, Colorado Plateau Field Station, Monica Hansen, U.S. Geological Survey, Southwest Biological Science Center, Colorado Plateau Field Station

Publication_Date: 2003

Title: SUCR_AAdatabase.mdb

Geospatial_Data_Presentation_Form: database

Taxonomy:

Keywords/Taxon:

Taxonomic_Keyword_Thesaurus: None

Taxonomic_Keywords: plant communities

Taxonomic_Classification:

Taxon_Rank_Name: Kingdom

Taxon_Rank_Value: Plantae

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

Dataset was quality checked in a spatial environment and through reviewing data entry.

Logical_Consistency_Report:

Dataset was quality checked by visually inspecting the dataset in a geographic information system (GIS).

Completeness_Report: Data collection is complete with no exclusions

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Visual inspection was preformed on the dataset to ensure accuracy of all sampling locations

Lineage:

Process_Step:

Process_Description:

Prior to the sample selection design, topology and data structure of the coverage were checked by running a check for node errors and label errors in the GIS dataset. The GIS dataset was also dissolved, removing polygon boundaries when adjoining polygons have the same value using GIS. Reference point locations were then selected for each plant association/map class based on the total cover of each class in the mapping area, where plant associations with more cover had more reference points assigned, and vice versa. The number of polygons to be sampled was determined by the number of polygons in each vegetation class and the total area of each vegetation class of the spatial vegetation dataset. A table was built listing all vegetation types, the number of polygons and area in hectares for each vegetation type, and the number of polygons to be sampled. Randomization was ensured through creating a database table containing random numbers that were randomly assigned to the polygons. Randomly assigned polygons were sorted in ascending numeric order by the vegetation code and then by random numbers to list all vegetation types together. Only rows of predetermined sample number for each map class were retained. In addition to the number of polygons that must be sampled of each type, there were from 5 to 10 extra polygons included in the random sample of polygons in the case that the original polygons could not be reached. Of the 500 reference points initially chosen, 355 points were sampled in the field in the first round of sampling and 131 in the second round of sampling. Some accuracy assessment points were discarded from the initial round of sampling due to multiple accuracy assessment points occurring within a single polygon in the final vegetation map. In this case, the accuracy assessment point assessed in the initial round of sampling that contained the largest area of the polygon was selected as the point used for the final round of accuracy assessment. The first phase of sampling used reference points chosen to sample polygons greater than the minimum mapping unit (MMU) of 0.5 hectares; however, if not enough samples of the map class were available in polygons greater than the MMU, polygons less than the MMU were then sampled. In polygons greater than the MMU, reference point coordinates were assigned randomly in the polygon with a 5-meter buffer to the keep sample points away from stand boundaries. In polygons that were less than the MMU, the centroid of the polygon was used for the sampling coordinates to minimize edge effects from adjacent polygons. In the second round of sampling all randomized polygons were selected for accuracy assessment. However, sampling points were allocated differently depending on two types of polygons: polygons that were equal to or greater than 0.5 hectares in area (the MMU) and polygons that were less than 0.5 hectares in area (< the MMU). Polygons that were equal to or greater than 0.5 hectares contained a 5-meter buffer from the outside polygon edge to be sure that none of the randomly placed points were placed extremely close to the edge of the polygon. Then, random points were assigned using a random point generator to add one random point to each polygon (Random Point Generator v.1.1, available at www.ESRI.com). Polygons that were less than 0.5 hectares in area had the centroid selected as the sampling points. Performing a cross-dataset query ensured the centroid of each polygon even in oddly shaped polygons (such as a crescent moon shape). The MS Excel file of the UTMs was exported as a text file and formatted as an ArcInfo generate file. The points coverage was then created using ArcToolbox generate.

Process_Date: 2001 to 2002

Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Kathryn Thomas

Contact_Organization: USGS-SBSC-Colorado Plateau Research Station

Contact_Position: Project leader

Contact_Address:

Address_Type: mailing and physical address

Address: U.S. Geological Survey

Address: Southwest Biological Science Center

Address: Colorado Plateau Research Station

Address: 2255 North Gemini Drive, Building 4

City: Flagstaff

State_or_Province: Arizona

Postal_Code: 86001

Country: USA

Contact_Voice_Telephone: 928.556.7327

Contact_Facsimile_Telephone: 928.556.7500

Contact_Electronic_Mail_Address: Kathryn_A_Thomas@usgs.gov

Hours_of_Service:

8:00 a.m. to 5:00 p.m. (Mountain Standard Time Zone), Monday through Friday

Contact_Instructions: E-mail

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Entity point

Point_and_Vector_Object_Count: 335

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Point

Point_and_Vector_Object_Count: 4

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: Universal Transverse Mercator

Universal_Transverse_Mercator:

UTM_Zone_Number: 12

Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 0.999600

Longitude_of_Central_Meridian: -111.000000

Latitude_of_Projection_Origin: 0.000000

False_Easting: 500000.000000

False_Northing: 0.000000

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.000005

Ordinate_Resolution: 0.000005

Planar_Distance_Units: meters

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

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: sucr_aa_pts.pat

Entity_Type_Definition:

This is a listing of all accuracy assessment point locations within the Sunset Crater National Monument project area

Entity_Type_Definition_Source:

Attribute tables developed by the USGS-SBSC-Colorado Plateau Research Station to describe the SUCR accuracy assessment spatial database coverage, USGS-NPS VMP.

Attribute:

Attribute_Label: FID

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: Shape

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: AREA

Attribute_Definition: Area of feature in internal units squared.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain:

Area is always zero for point coverages. Values are automatically generated.

Attribute:

Attribute_Label: PERIMETER

Attribute_Definition: Perimeter of feature in internal units.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain:

Perimeter is always zero for point coverages. Values are automatically generated.

Attribute:

Attribute_Label: SUCR_AA_PTS#

Attribute_Definition: Internal feature number.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Whole numbers that are automatically generated.

Attribute:

Attribute_Label: SUCR_AA_PTS-ID

Attribute_Definition: User-defined feature number.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1

Range_Domain_Maximum: 335

Attribute_Units_of_Measure: number

Attribute:

Attribute_Label: SUCRAA_PTS

Attribute_Definition:

Accuracy assessment points developed in the sampling design as a unique identifier for each polygon sampled. Two different types of sampling codes were used during the accuracy assessment.

Attribute_Definition_Source: User Defined

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: A1

Range_Domain_Maximum: V8

Attribute_Units_of_Measure: letter and number

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1-2

Range_Domain_Maximum: 30-9

Attribute_Units_of_Measure: number "-" number

Attribute:

Attribute_Label: UTME

Attribute_Definition:

The geographical coordinates for UTM Easting (x-coordinate) collected at each accuracy assessment field point in NAD83 Zone12 using Garmin 45XL.

Attribute_Definition_Source:

The Universal Transverse Mercator (UTM) Grid USGS Fact Sheet 077-01 (August 2001) <http://erg.usgs.gov/isb/pubs/factsheets/fs07701.html>

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 447582

Range_Domain_Maximum: 457466

Attribute_Units_of_Measure: number

Attribute:

Attribute_Label: UTMN

Attribute_Definition:

The geographical coordinates for UTM Northing (y-coordinate) collected at each accuracy assessment field point in NAD83 Zone12 using Garmin 45XL.

Attribute_Definition_Source:

The Universal Transverse Mercator (UTM) Grid USGS Fact Sheet 077-01 (August 2001) <http://erg.usgs.gov/isb/pubs/factsheets/fs07701.html>

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 3909521

Range_Domain_Maximum: 3918304

Attribute_Units_of_Measure: number

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USGS-NPS Vegetation Mapping Program Coordinator

Contact_Address:

Address_Type: mailing and physical address

Address:

U.S. Geological Survey, Center for Biological Informatics, MS 302, Room 8000, Building 810, Denver Federal Center

City: Denver

State_or_Province: Colorado

Postal_Code: 80225

Country: USA

Contact_Voice_Telephone: (303) 202-4220

Contact_Facsimile_Telephone: (303) 202-4219

Contact_Electronic_Mail_Address: gs-b-npsveg@usgs.gov

Resource_Description: Downloadable Data

Distribution_Liability:

The U.S. Geological Survey and the National Park Service shall not be held liable for improper or incorrect use of the data described and/or contained herein. These data and related graphics (if available) are not legal documents and are not intended to be used as such.

The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived. It is the responsibility of the data user to use the data appropriately and consistent within the limitations of geospatial data in general and these data in particular. Any related graphics (if available) are intended to aid the data user in acquiring relevant data; it is not approriate to use the related graphics as data.

The U.S. Geological Survey and the National Park Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of these data. It is strongly recommended that these data are directly acquired from an U.S. Geological Survey and National Park Service servers and not indirectly through other sources which may have changed the data in some way. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. Mention of trade names or commercial products in this metadata report does not constitute endorsement or recommendation for use by the U. S. Department of the Interior, U. S. Geological Survey and National Park Service.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: HTML

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

<http://biology.usgs.gov/npsveg/sucr/index.html#accuracy_assessment_info>

Fees: None

Metadata_Reference_Information:

Metadata_Date: 20040208

Metadata_Review_Date: 20071107

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USGS-NPS Vegetation Mapping Program Coordinator

Contact_Address:

Address_Type: mailing and physical address

Address:

U.S. Geological Survey, Center for Biological Informatics, MS 302,
Room 8000, Building 810, Denver Federal Center

City: Denver

State_or_Province: Colorado

Postal_Code: 80225

Country: USA

Contact_Voice_Telephone: (303) 202-4220

Contact_Facsimile_Telephone: (303) 202-4219

Contact_Electronic_Mail_Address: gs-b-npsveg@usgs.gov

Metadata_Standard_Name:

FGDC-STD-001.1-1999 Content Standard for Digital Geospatial Metadata, 1998 Part 1: Biological Data Profile, 1999

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Extensions:

Online_Linkage:

<http://metadata.nbii.gov/portal/community/Communities/Toolkit/Metadata/FGDC_Metadata/>

Profile_Name: Biological Data Profile FGDC-STD-001.1-1999