The FLDPLN data set is an ARC/INFO coverage of the entire study region
of the Upper Mississippi/Missouri River Basin at a 1:100,000-scale.
Citation_Information:
Originator: Scientific Assessment and Strategy Team (SAST)
Publication_Date: 19960327
Title: FLDPLN ARC/INFO COVERAGE
Geospatial_Data_Presentation_Form: map
Online_Linkage: http://edcwww.cr.usgs.gov/sast-home.html
Description:
The SAST ARC/INFO database is a comprehensive vector basemap of the Upper
Mississippi/Missouri River Basin and contains attribute data suitable for
performing a wide range of analyses and for generating thematic maps for
counties and states throughout the flood area.
Abstract:
On January 10, 1994, the Scientific Assessment and Strategy Team (SAST)
joined in the effort to provide scientific advice and assistance to
officials responsible for making decisions with respect to the flood
recovery in the Upper Mississippi River Basin.
The Earth Satellite Corporation (EarthSat) delivered digital flood extent
files in ARC/INFO and Digital Line Graph (DLG) formats for each
individual TM scene coverage, and for the entire study area. In addition
to the digital vector files of flood extent, mylar overlays to the TM
images and a area-wide mosaic were produced. Scales ranged from 1:25,000
to 1:250,000.
The ARC/INFO files were delivered in ARC Export format and the raster
files were in ARC GRID.
Purpose:
These data were used in the assessment of the human, environmental, and
economic affects of the flood and in evaluating management alternatives
for mitigating future impacts of rainfall events of similar magnitude.
features.
Spatial_Domain:
Bounding_Coordinates: Geographic coordinates (latitude/longitude) in
decimal degrees.
West_Bounding_Coordinate: 36.0 -111.0
East_Bounding_Coordinate: 36.5 -86.5
South_Bounding_Coordinate: 48.5 -84.0
North_Bounding_Coordinate: 49.5 -114.0
Keywords:
Theme:
Theme_Keyword_Thesaurus: None.
Theme_Keyword: Floodplain
Theme_Keyword: polygon
Theme_Keyword: Coverage
Theme_Keyword: ARC/INFO
Theme_Keyword: Fuzzy Tolerance
Theme_Keyword: Arc
Theme_Keyword: attribute
Theme_Keyword: ARCPLOT
Theme_Keyword: Topology
Place:
Place_Keyword_Thesaurus: None
U.S. Department of Commerce, 1987, Codes for the identification of
the States, the District of Columbia and the outlying areas of The
United States, and associated areas (Federal Information Processing
Standard 5-2):Washington ,D. C., National Institute of Standards and
Technology.
Place_Keyword: US
Place_Keyword: Upper Mississippi/Missouri river basin
Access_Constraints: None
Use_Constraints: None
Acknowledgement of the U.S. Geological Survey and the Scientific
Assessment and Strategy Team would be appreciated in products derived
from these data.
Contact_Information:
Point_of_Contact: Jacqueline Klaver
Contact_Position: Senior Scientist
Contact_Address:
Address_Type:
Address: SAST
U.S. Geological Survey
EROS Data Center
City: Sioux Falls
State: SD
Postal_Code: 57198
Country: USA
Contact_Voice_Telephone: 605 594 6961
Contact_Facsimile_Telephone: 605 594 6589
Contact_Electronic_Mail: jklaver@edcserver1.cr.usgs.gov
Hours_of_Service: 0730-1615
Data_Set_Credit:
Scientific Assessment and Strategy Team
U.S. Geological Survey
Native_Data_Set_Environment:
UNIX ARC/INFO
Cross_Reference:
Upper Mississippi/Missouri River Basin ARC/INFO coverages in the Scientific
Assessment and Strategy Team (SAST) database.
During ARC/INFO coverage development several modifications were made to the
source data in order to generate a database with a common scale, uniform level
of resolution, consistent coding scheme, and comparable (standardized)
measurement data.
Attribute_Accuracy:
Attribute accuracy is estimated to be 98.5 percent. A check for illogical
attribute combinations were performed both interactively and via batch
procedures.
Attribute_Accuracy_Report:
Visual tests involved the review of check plots.
Attribute_Accuracy_Value:
The accuracy of most attributes has not been explicitly tested against
independent sources.
Attribute_Accuracy_Explanation:
Code attributes were reviewed by checking for invalid codes in the
database using the ARC/INFO CODEFIND command. Invalid code combinations
were checked using the ARC/INFO CONSIST command (codes were deemed
invalid if they were undefined in the Digital Line Graphs from 100K-scale
Maps, Data Users Guide 2.
CODEFIND identifies coding errors for item values in an INFO data
file.
CONSIST identifies illogical code combinations for multiple items
in an INFO data file. Item values are compared against a
series of user-specified conditions to identify illogical
code combinations.
Logical_Consistency_Report:
All data were found to be topologically correct. No duplicate features are
present. All lines intersect where intended. No undershoots or overshoots
are present.
The tests of logical consistency were performed by the ARC commands:
BUILD creates or updates a feature attribute table for a
coverage. It defines arc-node topology when the LINE
option is used.
CLEAN generates a coverage with correct arc-node topology.
It edits and corrects geometric coordinate errors, and
creates feature attribute information for each arc (i.e.,
creates a AAT).
CLIP creates a new coverage by overlaying two sets of
features, which are the arcs.
DISSOLVE eliminates arcs between adjacent polygons containing
equal values.
LABELERRORS lists all polygons which have either no label points
or more than one label point.
Completeness_Report:
Data completeness reflects the content of the source ARC/INFO datasets.
Features may have been eliminated or generalized on the source graphic, due
to scale and legibility constraints.
Positional_Accuracy:
The positional accuracy of the SAST ARC/INFO database is consistent with the
source ARC/INFO datasets provided by the EarthSat.
Horizontal_Positional_Accuracy_Report:
The accuracy of the database components that originated in the EarthSat
datasets can be inferred to have the cumulative effects of data
processing performed by the Scientific Assessment and Strategy Team
(SAST).
Horizontal_Positional_Accuracy_Value:
The conservative estimate on the accuracy of the ARC/INFO
1:100,000-scale data derived from the 1:100,000-scale DLG data is 0.02
inches.
Horizontal_Positional_Accuracy_Explanation: Horizontal positional
accuracy is based upon the use of USGS source Digital Line Graphs from
100,000-scale maps. The ARC Tolerance command is used to set and
examine the tolerances associated with a DLG data set. Positional
accuracy between the DLG data set and ARC data files are within a 0.02
inches tolerance. Features with like dimensionality, and with or
without like attribution, that are within the tolerance are adjusted by
moving the feature equally in both the data set and coverage. Features
outside the tolerance are not moved.
Lineage:
Data derived primarily from the 1:100,000-scale ARC/INFO datasets provided
by the EarthSat through FEMA.
Source_Information:
The ARC/INFO data was derived primarily from Landsat TM digitized or
vector datasets and the raster data in ARC GRID format.
Source_Citation:
Digital Line Graphs from 1:100,000-Scale Maps, Data Users Guide 2
Type_of_Source_Media: CD-ROM
GIS and Image Data Sets For FEMA and SAST, Earth Satellite Corporation,
ppgs 1-65.
SAST Upper Mississippi/Missouri River Basin database ARC/INFO coverages.
Source_Scale_Denominator: 100,000
Type_of_Source_Media: CD-ROM
Process_Step:
Process_Description: The limits of natural floodplains were visually interpreted from 24
Landsat TM images, most of which were acquired before the start of 1993 flooding. The
geocoded TM images were processed on IP3 in a 3-4-5 (blue-green-red) band combination to
maximize the appearance of soil wetness. The image processing steps included annotation of each
image with latitude/longitude crosshairs at 15 minute increments. Each digital image was
filmwritten to a photographic negative using EarthSat s CIRRUS LC-4000 laser filmwriter. The
images were then quality inspected. Approved images were enlarged to 1:100,000 scale in four
sections in EarthSat s precision Photographic Laboratory.
Floodplain extent was delineated on stable base mylar overlays to each quarter scene. Images
were first edge matched, and an effective interpretation area demarcated. The floodplain edge
was then delineated for all r iverways extending from the mainstems of the Mississippi, Missouri,
Kansas, and Illinois Rivers greater than one kilometer wide. Each reach of floodplain edge was
classified and delineated according to the following eight classes:
1. Continuous Bluff --well defined floodplain boundary with sharp feature delineation,
usually straight or curved, with minimal interruption of the line.
2. Deeply Dissected Bluff --boundary less-well defined. The base of the bluffs were sharp
and visible, but the top of the bluff had eroded back diagonally, creating hogback features.
The floodplain boundary was still clearly definable, but often moved up the incised valleys.
3. Tributary Floodplain --extent not defined. This designation was used when the main
floodplain line crossed small (insignificant) watersheds; i.e., those less than one kilometer across.
A straight line was drawn crossing the mouth of the tributary floodplain.
4. Gradational but Distance Floodplain Boundary --This line classification was used when
elevational differences between the floodplain and upland were not apparent, but the edge of the
floodplain was still apparent from either a physiographic feature (e.g., movement from rolling
terrain to flat terrain) or a change in land use (e.g., forest on the upland to farmland on the
floodplain). This limit was often definable by connecting the points at which small drainages
ceased to meander and began to be linearly channelized.
5. Gradational but Indistinct Floodplain Boundary --This line classification was used when
elevation differences between the floodplain and upland were not apparent by any means. A
dashed line was used to represent the line class. Keys to delineation included minor land use
changes, differences in similar land use texture, changes in stream character, and limits of flooding
on flood scenes.
6. Edge of Study Area --This line category was used to close polygons at image edges or
overlap boundaries.
7. Floodplain Delineation Truncated by Cloud or Cloud Shadow --This category was used
when a floodplain which would otherwise have been interpreted was obscured by a mass of cloud
and/or cloud shadow. A line was drawn across the floodplain where it ceased to be interpretable.
Image overlap and multiple images dates were used wherever possible as a means of eliminating
cloud cover truncations.
8. Floodplain Limit Inferred Due to Cloud or Cloud Shadow --This line category was used
when small, spotty clouds interfered with clear demarcation of a floodplain boundary. A dashed
line was located in the approximate position of the floodplain boundary. Topographic maps at
1:100,000 or even 1:250,000 maps were employed to assist in approximating the line location.
The delineations were demarcated and edge-matched to adjacent image quarters by individual
analysts. All delineations were edited for location and content accuracy by a senior analyst.
Approved delineations were digitized into a vector GIS coverage in ARC/INFO. These
coverages were given to the SAST team for analysis.
The PROJECT command in ARC created a coordinate definition file (PRJ) to convert the
coverage into Albers projection.
In ARC the coordinate precision was determined by the current processing rule as set by the
PRECISION command. The ARC/INFO coverage FLDPLN used the processing rule DOUBLE.
Source_Used_Citation_Abbreviation:
Process_Date: 1994
Process_Contact:
Contact_Information:
Point_of_Contact: Jacqueline Klaver
Contact_Position: Senior Scientist
Contact_Address:
Address_Type:
Address: SAST
U.S. Geological Survey
EROS Data Center
City: Sioux Falls
State: SD
Postal_Code: 57198
Country: USA
Contact_Voice_Telephone: 605 594 6961
Contact_Facsimile_Telephone: 605 594 6589
Contact_Electronic_Mail: jklaver@edcserver1.cr.usgs.gov
The Upper Mississippi/Missouri river basin represented in the ARC/INFO coverage
1:100,000-scale FLDPLN.
Indirect_Spatial_Reference:
Digital line data represented by arcs in ARC/INFO that depict the extent of
the flooding, attributes or codes as naming and pointers for referencing.
Direct_Spatial_Reference_Method:
Point and Vector
Point/Vector_Object_Information:
Number of Points: 198
Number of lines: 10310
Number of line segments: 516368
Number of Polygons: 199
Point_Object_Information:
Number of control points: 284
SDTS_Terms_Description:
A line is a generic term for a one-dimensional object.
An area is a generic term for bounded, continuous, two-dimensional
object that may or may not include its boundary.
The attributes (or items) in the ARC/INFO feature attribute tables contain
different types of values; specifically, measurements, codes, flags, and
names.
Detailed_Description:
Entity_Type: An ARC/INFO line coverage
Entity_Type_Label: FLDPLN.PAT
Entity_Type_Definition: Polygon attribute table
Entity_Type_Definition_Source: ARC/INFO-generated and user defined
attributes and items.
COL ITEM NAME WDTH OPUT TYP N.DEC ALTERNATE NAME
1 AREA 4 12 F 3
5 PERIMETER 4 12 F 3
9 FLDPLN# 4 5 B -
13 FLDPLN-ID 4 5 B -
Attribute:
Attribute_Label: AREA
Attribute_Definition: Area of poly/region in square coverage units
Attribute_Definition_Source: Computed
Attribute_Domain_Values: Positive real numbers
Attribute_Label: PERIMETER
Attribute_Definition: Perimeter of poly/region in square coverage units
Attribute_Definition_Source: Computed
Attribute_Domain_Values: Positive real numbers
Attribute_Label: FLDPLN#
Attribute_Definition: Internal feature number
Attribute_Definition_Source: Computed
Attribute_Domain_Values: Sequential unique positive integer
Attribute_Label: FLDPLN-ID
Attribute_Definition: Classification of area flooding
Attribute_Definition_Source: EarthSat database
Attribute_Domain_Values: Integer
Attribute_Value_Accuracy_Information:
The accuracy of most attributes in the ARC/INFO 1:100,000-scale database
are as accurate as the 1:100,000-scale Digital Line Graph Transportation
line FLDPLN layer.
Overview_Description:
Entity_and_Attribute_Detail_Citation:
The Scientific Assessment Strategy Team (SAST), U.S. Geological Survey,
EROS Data Center, Sioux Falls, SD. FLDPLN (FLDPLN) Documentation.
U.S.Department of the Interior, U.S. Geological Survey, 1987 Digital
Line Graphs from 1:100,000-Scale Maps--Data Users Guide 2; Reston,
Virginia.
U.S.Department of the Interior, U.S.Geological Survey, 1990, Standards
for Digital Line Graphs, Part 3: Attribute Codes: Reston, VA.
Distributor: SAST
Contact_Information:
Contact_Person: Jacqueline Klaver
Contact_Position: Senior Scientist
Contact_Address:
Address_Type:
Address: SAST
U.S. Geological Survey
EROS Data Center
City: Sioux Falls
State: SD
Postal_Code: 57198
Country: USA
Contact_Voice_Telephone: 605 594 6961
Contact_Facsimile_Telephone: 605 594 6589
Contact_Electronic_Mail: jklaver@edcserver1.cr.usgs.gov
Hours_of_Service: 0730-1615
Resource_Description:
Scientific Assessment and Strategy Team (SAST) Upper Mississippi River
and Missouri ARC/INFO USGS 1:100,000-scale Flood extent.
Distribution_Liability:
Although these data have been processed successfully on a computer
system at the EROS Data Center, no warranty expressed or implied is made
by the SAST or USGS regarding the utility of the data on any other
system, nor shall the act of distribution constitute any such warranty.
The Geological Survey will warrant the delivery of this product in
computer-readable format, and will offer appropriate adjustment of
credit when the product is determined unreadable by correctly adjusted
computer input peripherals, or when the physical medium is delivered in
damaged condition. Requests for adjustment of credit must be made
within 90 days from the date of this shipment from the ordering site.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ARCE (ARC Export)
Format_Version_Number: ARC6.1
Format_Version_Date:
Format_Specification: Arc coverage data set or layer
Format_Information_Content: 1:100,000-scale Hydr Transportation
File_Decompression_Technique: ARC6.1 import (compressed)
Transfer_Size:
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
ftp edcftp.cr.usgs.gov
Enter "anonymous" at name prompt
Enter complete e-mail address at the Password prompt
cd (change) pub/data/sast (subdirectory)
Type: binary (set the file transfer mode to binary)
Type: get (to download one file) or
Type: mget (to download more than one file)
Digital_Transfer_Information:
Format_Name: PC ARC (Export)
Format_Version_Number: ARC6.1
Format_Version_Date:
Format_Specification: Arc coverage data set or layer
Format_Information_Content: 1:100,000-scale Hydr Transportation
File_Decompression_Technique: ARC6.1 import (uncompressed)
Transfer_Size:
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
ftp edcftp.cr.usgs.gov
Enter "anonymous" at name prompt
Enter complete e-mail address at the Password prompt
cd (change) pub/data/sast (subdirectory)
Type: binary (set the file transfer mode to binary)
Type: get (to download one file) or
Type: mget (to download more than one file)
Digital_Transfer_Information:
Format_Name: SDTS
Format_Version_Number:
Format_Version_Date:
Format_Specification: Line coverage data set or layer
Format_Information_Content: 1:100,000-scale Hydr Transportation
File_Decompression_Technique:
Transfer_Size:
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
ftp edcftp.cr.usgs.gov
Enter "anonymous" at name prompt
Enter complete e-mail address at the Password prompt
cd (change) pub/data/sast (subdirectory)
Type: binary (set the file transfer mode to binary)
Type: get (to download one file) or
Type: mget (to download more than one file)
Digital_Transfer_Option:
Offline_Option:
Offline_Media: CD-ROM
Recording_Format: ISO 9660
Compatibility_Information:
This CD-ROM can be used with all computer operating systems that
support CD-ROM as a logical storage device. All text files on
the disc are in ASCII format. Data files are in ASCII or binary
format.
Fees:
CD-ROM = $70
Ordering_Instructions:
Point_of Contact: Ron Risty
Contact_Position: Senior Information Scientist
Contact_Address:
Address_Type:
Address: U.S. Geological Survey
EROS Data Center
City: Sioux Falls
State: SD
Country: USA
Contact_Voice_Telephone: 605 594 6969
Contact_Facsimile_Telephone: 605 594 6589
Contact_Electronic_Mail: risty@edcserver1.cr.usgs.gov
Hours_of_ Service: 7:30am - 4:15pm
Turnaround:
One week maximum
Metadata_Date: 19961023
Metadata_Contact_Information:
Metadata_Contact_Person: Mary C. Weinheimer
Metadata_Contact_Position: Information Scientist
Contact_Address:
Address_Type: mailing address
Address: U. S. Geological Survey
EROS Data Center
City: Sioux Falls
State_or_Province: South Dakota
Postal_Code: 57198
Country: USA
Contact_Voice_Telephone: 1 605 594 6097
Contact_Facsimile_Telephone: 605 594 6589
Contact_Internet_Address: weinheim@edcserver1.cr.usgs.gov
Hours_of_Service: 0730-1615
Metadata_Standard_Name: Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: 1.0
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