Tualatin River Watershed Data Dictionary
Metadata for NWI_TUAL
FGDC-Compliant Metadata for NWI
Identification_Information:
Citation:
Originator: Cowardin et al
Publication_Date: 1977
Publication_Time:
Title: Classification of Wetlands and Deep-Water Habitats of the
United States
Edition:
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name:
Issue_Identification:
Publication_Information:
Publication_Place:
Publisher: US Dpt of the Interior
Other_Citation_Details:
Online_Linkage:
Larger_Work_Citation:
Description: National Wetlands Inventory
Abstract:
A n inventory of wetland ecological systems in the Willapa Basin
Descriptors:
NWI, Estuary, Wetlands, Cowardin.
Purpose:
Intended use of data
Supplemental_Information:
The National Wetlands Inventory is an inventory of wetland ecological system
found throughout the United States. It was prepared by the U.S. department
of the Interior, Fish and Wildlife Service. The wetlands were identified on
high altitude aerial photographs (1:58,000) based on vegetation, visible
hydrography, and geography in agreement with systems defined in Classificati
of Wetlands and Deep-Water Habitats of the United States, by Cowardin et al
1977.
Revisions made to data (revision number, date, description)
No revisions have been made to the data since the original collection
period in the 1970's and 1980's.
Reviews applied to data (review type, date, person, description)
Related spatial and tabular data sets and programs
Time_Period_of_content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: '1970's
Ending_Date: '1980's
Currentness_Reference: Publication date of sources
Status:
Progress: complete
Maintenance_and_Update_Frequency: Unknown
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -124.2356
East_Bounding_Coordinate: -123.2506
North_Bounding_Coordinate: 47.0066
South_Bounding_Coordinate: 46.2450
Data_Set_G-Polygon:
Data_Set_G-Polygon_Outer G-Ring:
Keywords:
Theme:
Theme_Keyword_Thesaurus: none
Theme_Keyword: Landcover
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: Willapa Basin
Stratum:
Stratum_Keyword_Thesaurus: none
Stratum_Keyword:
Temporal:
Temporal_Keyword_Thesaurus: none
Temporal_Keyword:
Access_Constraints: none
Use_Restrictions:
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact Person: 'Sharron O''Conner'
Contact_Organization: Washington Dept of Ecology
Contact_Position: unknown
Contact_Address:
Address_Type: mailing address
Contact_Voice_Telephone: (206) 407-7263
Security Information:
Security_Classification_System:
Security_Classification: UNCLASSIFIED
Security_Handling_Description:
Native_Data_Set_Environment: UNIX
Cross_Reference:
Originator: Unknown
Publication_Date:
Publication_Time:
Title:
Edition:
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name:
Issue_Identification:
Publication_Information:
Publication_Place:
Publisher:
Other_Citation_Details:
Online_Linkage:
Larger_Work_Citation:
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: See Entity_Attribute_Information
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: See Explanation
Attribute_Accuracy_Explanation:
Attribute accuracy is described, where present, with each
attribute defined in the Entity and Attribute Section.
Logical_Consistency_Report: Polygon topology present.
Completeness_Report: See Data Set Description Section
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Quantitative_Horizontal_Positional_Accuracy_Assessment:
Horizontal_Positional_Accuracy_Value:
Horizontal_Positional_Accuracy_Explanation: Resolution as reported
Lineage: See Supplemental information.
Source_Scale_Denominator:58,000
Type_of_Source_Media:
Source_Time_Period_of_Content:
Source_Currentness_Reference:
Source_Citation_Abbreviation:
Source_Contribution:
Process_Step:
Process_Description: MAPJOIN NWI_POLY POLY
Process_Date: 19931129
Process_Time: 1450
Process_Description: PROJECT COVER NWI_POLY NWI_U10 /USER1/WILLAPA/UTIL/PROJECT/SP-U10
Process_Date: 19931130
Process_Time: 1036
Process_Description: BUILD NWI_U10 POLY
Process_Date: 19931130
Process_Time: 1106
Process_Description: EXPORT COVER NWI_U10 NWI.E00
Process_Date: 19931130
Process_Time: 1505
Process_Description: EXPORT COVER NWI_U10 NWI_U10
Process_Date: 19931214
Process_Time: 946
Process_Description: COPY NWI_U10 NWI
Process_Date: 19940804
Process_Time: 1124
Process_Description: JON EXPORT COVER NWI TEMPFILE.E00
Process_Date: 19950830
Process_Time: 2054
Process_Description: MIKE COPY /A1/WILLAPA/WORK/WDW_PHS/NWI NWI
Process_Date: 19960508
Process_Time: 1533
Process_Description: MIKE DOCUMENT NWI CREATE MIKE
Process_Date: 19960508
Process_Time: 1750
Cloud_Cover: Unknown
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 6379
SDTS_Point_and_Vector_Object_Type: String
Point_and_Vector_Object_Count: 17886
SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
Point_and_Vector_Object_Count: 6384
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Horizontal_Coordinate_System: Grid
Grid_Coordinate_System_Name: UTM
Planar_Distance_Units: METERS
Zone_Number: 10
Horizontal_Datum_Name: NAD27
Ellipsoid_Name: CLARKE1866
X-Shift: 0.0000000000
Y-Shift: 0.0000000000
Entity_Attribute_Information:
Detailed_Description:
Number_of_Attributes_in_Entity: 15
Entity_Type:
Entity_Type_label: NWI.PAT
Entity_Type_Definition: Attribute table of NWI.
Entity_Type_Definition_Source: ARC/INFO
Attribute:
Attribute_Label: -
Attribute_Definition: Attribute table of NWI.
Attribute_Definition_Source: ARC/INFO
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: -
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: AREA
Attribute_Definition: Area of poly/region in square coverage units
Attribute_Definition_Source: Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Positive real numbers
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: PERIMETER
Attribute_Definition: Perimeter of poly/region in coverage units
Attribute_Definition_Source: Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Positive real numbers
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: NWI#
Attribute_Definition: Internal feature number
Attribute_Definition_Source: Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Sequential unique positive integer
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: NWI-ID
Attribute_Definition: User-assigned feature number
Attribute_Definition_Source: User-defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Integer
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: FWS.CODE
Attribute_Definition: NWI code, ecological system, subsystem, class, subclass, h20 regime and other
Attribute_Definition_Source: aerial photography
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: coded characters (see narrative)
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: SYS
Attribute_Definition: ecological system code
Attribute_Definition_Source: aerial photos
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: M=marine, P=palustrine, R=riverine, L=lacustrine, E=lestuarine (see narrative)
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: SUBSYS
Attribute_Definition: Ecological subsystem code
Attribute_Definition_Source: aerial photo
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: sequential coded integers which vary according to sys. (see narrative)
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: CLASS
Attribute_Definition: class code
Attribute_Definition_Source: aerial
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: coded characters varying for each ecological system (see narrative)
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: SUBCL
Attribute_Definition: subclass code
Attribute_Definition_Source: aerial photo
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: sequential integer codes ranging from 1-7 varying for sys (see narrative)
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: WATER
Attribute_Definition: water regime code
Attribute_Definition_Source:
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: coded characters A-U, 0-9, a, t or l add to class or subclass (see narrative)
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: MODS
Attribute_Definition: modifying terms
Attribute_Definition_Source:
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: g,n,b,d,f,h,r,s,x added to class or subclass (see narrative)
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: XCLASS
Attribute_Definition:
Attribute_Definition_Source:
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value:
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: SUBXCL
Attribute_Definition:
Attribute_Definition_Source:
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value:
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Attribute:
Attribute_Label: XSYS
Attribute_Definition:
Attribute_Definition_Source:
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value:
Attribute_Value_Accuracy_Information:
Attribute_Measurement_Frequency: Unknown
Overview_Description:
Entity_and_Attribute_Overview:
NWI identifies 5 different ecological systems which contain multiple and
varying coding for subsystems, class, subclass and modifiers including
water regimes, water chemistry, soils and special modifiers.
The NWI codes found in the attribute table of this database are a
concatenation of coding for ecological systems, subsystems, class,
subclass, and modifying terms for water regime, chemistry and soil.
For example, marine, subtidal, open water body would be coded M1OW
whereas a marshy area of persistent emergent vegetation would be coded
PEM1. These codings can be found in the FWS.cod whereas individual codes
cam be found in subsequent items.
Item Definitions
sys
ecological systems (M,E,R,L,P)
M = marine systems
The marine system consists of the open ocean overlying the continental
shelf and its associated high-energy coastline. Marine habitats are
exposed to the waves and currents of the open ocean and the water regimes
are determined primarily by the ebb and flow of oceanic tides.
E = Estuarine systems
The estuarine system consists of deep water tidal habitats and adjacent
tidal wetlands that are semi-enclosed by lands but have open, partially
obstructed, or sporadic access to the open ocean, and in which open water
is at least occasionally diluted by freshwater runoff from the land.
R = Riverine systems
The riverine system incudes all wetlands and deep water habitats contained
within a channel, with two exceptions:(1)wetlands dominated by trees, shrubs
persistent emergents, emergent mosses, or lichens, and(2)habitats with water
containing ocean-derived salts in excess of .5 parts per thousand.
L = Lacustrine systems
The lacustrine system includes wetlands and deep water habitats with all
of the following characteristics:(1)situated in a topographic depression or
a dammed river channel:(2)lacking trees, shrubs, persistent emergents, emergent
mosses, or lichens with greater than 30% areal coverage: and(3)total area
exceeds 8 ha (20 acres).
P = Palustrine systems
The palustrine system includes all nontidal wetlands dominated by trees,
shrubs, persistent emergents, emergent mosses or lichens, and all such
wetlands that occur in tidal areas where salinity due to ocean-derived
salts is below .5 parts per thousand.
subsys
ecological subsystems
Marine, Riverine, Lacustrine, and Estuarine ecological systems have subsystem
with varying codes while Palustrine systems do not.
Marine and Estuarine
1 = subtidal
2 = inter tidal
Riverine
1 = tidal
2 = lower perennial
3 = upper perennial
4 intermittent
5 unknown perennial
(emergents found only in riverine tidal and riverine lower tidal subsy
Lacustrine
1 = limnetic
2 = littoral
class and sclass
class and subclass
subclass have repetitive coding according to class therefore an area of subclass
1 could be one of many types including bedrock, submergent coral et.
RB = rockbottom
1 = bedrock
2 = boulder
UB = unconsolidated bottom
1 = cobble/gravel
2 = sand
3 = mud
4 = organic
AB = Aquatic bed
1 = submergent alga
2 = submergent vascular
3 = submergent moss
4 = floating leaved
5 = floating
6 = unknown submergent
7 = unknown floating
FL = flat
1 = cobble/gravel
2 = sand
3 =mud
4 = organic
5 = vegetated pioneer
6 = vegetated non pioneer
RS = rocky shore
1 = bedrock
2 = boulder
6 = vegetated non pioneer
BB = beach bar
1 = cobble/gravel
2 = sand
EM = emergent
1 = persistent
2 = nonpersistent
3 = narrow leaved nonpersistent
4 = broad leaved nonpersistent
5 = narrow leaved persistent
6 = broad leaved persistent
SS = scrub/shrub and FO = forested
1 = broad leaved deciduos
2 = needle-leaved deciduous
3 = broad-leaved evergreen
4 = needle-leaved evergreen
5 = dead
6 = deciduous
7 = evergreen
ML = moss/lichen
1 = moss
2 = lichen
SB = stream bed
1 = cobble/gravel
2 = sand
3 = mud
4 = organic
OW = open water
wat
water regimes
non-tidal
A = temporary
B = saturated
C = seasonal
D = seasonal well drained
E = seasonal saturated
F = semipermanent
G = intermittently exposed
H = permanent
J = intermittently flooded
K = artificial
Z = intermittently exposed permanent
W = intermittently flooded temporary
Y = Saturated/semipermanent/seasonal
U = unknown
tidal
K = artificial
L = subtidal
M = irregularly exposed
N = regular
P = irregular
R = seasonal tidal
S = temporary tidal
T = semipermanent tidal
V = permanent tidal
U = unknown
water chemistry
coastal salinity
1 = hyperhaline
2 = eualine
3 = mixohaline (brackish)
4 = polyhaline
5 = mesohaline
6 = oligohaline
0 = fresh
inland salinity
7 = hypersaline
8 = eusaline
9 = mixosaline
0 = fresh
pH modifiers for all fresh water
a = acid
t = circumneutral
l = alkiline
mod
soil
g = organic
n = mineral
special modifiers
b = beaver
d = partially drained/ditched
f = farmed
h = diked/impounded
r = artificial
s = soil
x = excavated
Entity_and_Attribute_Detail_Citation: Not Available
Distribution_Information:
Metadata_Reference_Section:
Metadata_Date: 19960814
Metadata_Contact: mike
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: 19940608
Metadata_Time_Convention: Local Time
Metadata_Security_Information:
Metadata_Security_Classification_System: None
Metadata_Security_Classification: UNCLASSIFIED
Metadata_Security_Handling_Description: None
Licensing A project of Ecotrust