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NWFSC Metadata Library > FE (Fish Ecology) Division > FE Legacy Data Sets > Predicted channel types - Potential for Habitat... >

Columbia Basin Rivers Over 8 Meters Bankfull Width

Entity (ENT) | Northwest Fisheries Science Center (NWFSC)
GUID: gov.noaa.nmfs.inport:35956 | Updated: August 9, 2022 | Published / External

Item Identification

Title:	Columbia Basin Rivers Over 8 Meters Bankfull Width
Short Name:	Columbia Basin Rivers Over 8 Meters Bankfull Width
Status:	Planned
Abstract:	This layer portrays predicted channel patterns for large rivers (>8m bankfull width) in the Columbia River basin. The channel patterns include confined reaches (floodplain width <4 times bankfull width), and the four common channel patterns described in Beechie et al. (2006), braided, island-braided, meandering, and straight. Predictions are based on a support vector machine model described in Beechie and Imaki (2014).

Entity Information

Entity Type:	GIS File
Active Version?:	Yes
Schema Name:	PARR
Description:	This layer portrays predicted channel patterns for large rivers (>8m bankfull width) in the Columbia River basin. The channel patterns include confined reaches (floodplain width <4 times bankfull width), and the four common channel patterns described in Beechie et al. (2006), braided, island-braided, meandering, and straight. Predictions are based on a support vector machine model described in Beechie and Imaki (2014).

Data Attributes

Note: Metadata requirements do not apply to attributes for non-tabular entities.

Attribute Summary

	Name	Type	Description
N/A	OBJECTID	Number	Software generated unique identifier.
N/A	ID_Link	Number	Unique identifier used to link to other tables.
N/A	id	Number	Unique identifier.
N/A	c_type	Number	Channel type identifier (1: braided, 2:island-braided, 3: meandering, 4: straight, 5: confined). The highest voted channel types among the braided, island_braided, mandering, and straight columns below.
N/A	certainty	Number	Measure of certainty based on the number of votes received. 1: only one channel type received votes, 2: two channel types received votes, 3: three channel types received votes, 4: 4 channel types received votes, 0: confined channel type.
N/A	braided	Number	The number of votes on the braided channel type (out of 1000 votes).
N/A	island_bra	Number	The number of votes on the island-braided channel type (out of 1000 votes).
N/A	meandering	Number	The number of votes on the meandering channel type (out of 1000 votes).
N/A	straight	Number	The number of votes on the straight channel type (out of 1000 votes).
N/A	major_type	Text	The channel type name which received the highest number of votes.
N/A	renum	Number	Unique numbers assigned to river reaches.
N/A	aggid_x3x3	Number	Aggregated reach ID within the same renum number.
N/A	avg_f_acc	Number	Average flow accumulation number among the aggregated reaches.
N/A	avg_p_acc	Number	Average flow accumulation weighted by precipitation number among the aggregated reaches.
N/A	avg_s_acc	Number	Average flow accumulation weighted by fine sediment supply area number among the aggregated reaches.
N/A	avg_hi_sed	Number	Average flow accumulation weighted by alpine sediment supply area among the aggregated reaches.
N/A	avg_slope	Number	Average channel slope among the aggregated reaches.
N/A	avg_fpw_in	Number	Average flood plain width in meters among the aggregated reaches.
N/A	discharge_	Number	Estimated 2 year-flood discharge.
N/A	regime	Number	Estimated flow regime identifier.
N/A	length_m	Number	Reach length in meters.
N/A	sn	Number	Unique identifier.
N/A	avg_bfw_m	Number	Average bankfull width in meters.
N/A	r_slope	Number	Relative slope value calculated by ( a target reach slope - one above reach slope).
N/A	Shape_Length	Number	Software computed length of a segment.

Name

Type

Description

N/A

OBJECTID

Number

Software generated unique identifier.

N/A

ID_Link

Number

Unique identifier used to link to other tables.

N/A

Number

Unique identifier.

N/A

c_type

Number

Channel type identifier (1: braided, 2:island-braided, 3: meandering, 4: straight, 5: confined). The highest voted channel types among the braided, island_braided, mandering, and straight columns below.

N/A

certainty

Number

Measure of certainty based on the number of votes received. 1: only one channel type received votes, 2: two channel types received votes, 3: three channel types received votes, 4: 4 channel types received votes, 0: confined channel type.

N/A

braided

Number

The number of votes on the braided channel type (out of 1000 votes).

N/A

island_bra

Number

The number of votes on the island-braided channel type (out of 1000 votes).

N/A

meandering

Number

The number of votes on the meandering channel type (out of 1000 votes).

N/A

straight

Number

The number of votes on the straight channel type (out of 1000 votes).

N/A

major_type

Text

The channel type name which received the highest number of votes.

N/A

renum

Number

Unique numbers assigned to river reaches.

N/A

aggid_x3x3

Number

Aggregated reach ID within the same renum number.

N/A

avg_f_acc

Number

Average flow accumulation number among the aggregated reaches.

N/A

avg_p_acc

Number

Average flow accumulation weighted by precipitation number among the aggregated reaches.

N/A

avg_s_acc

Number

Average flow accumulation weighted by fine sediment supply area number among the aggregated reaches.

N/A

avg_hi_sed

Number

Average flow accumulation weighted by alpine sediment supply area among the aggregated reaches.

N/A

avg_slope

Number

Average channel slope among the aggregated reaches.

N/A

avg_fpw_in

Number

Average flood plain width in meters among the aggregated reaches.

N/A

discharge_

Number

Estimated 2 year-flood discharge.

N/A

regime

Number

Estimated flow regime identifier.

N/A

length_m

Number

Reach length in meters.

N/A

Number

Unique identifier.

N/A

avg_bfw_m

Number

Average bankfull width in meters.

N/A

r_slope

Number

Relative slope value calculated by ( a target reach slope - one above reach slope).

N/A

Shape_Length

Number

Software computed length of a segment.

Attribute Details

OBJECTID

CC ID: 363506

Seq. Order:	1
Data Storage Type:	Number
Max Length:	22
Required:	Yes
Primary Key:	No
Status:	Active
Description:	Software generated unique identifier.
General Data Type:	Number

ID_Link

CC ID: 363507

Seq. Order:	3
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Unique identifier used to link to other tables.
General Data Type:	Number

id

CC ID: 363508

Seq. Order:	4
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Unique identifier.
General Data Type:	Number

c_type

CC ID: 363509

Seq. Order:	5
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Channel type identifier (1: braided, 2:island-braided, 3: meandering, 4: straight, 5: confined). The highest voted channel types among the braided, island_braided, mandering, and straight columns below.
General Data Type:	Number

certainty

CC ID: 363510

Seq. Order:	6
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Measure of certainty based on the number of votes received. 1: only one channel type received votes, 2: two channel types received votes, 3: three channel types received votes, 4: 4 channel types received votes, 0: confined channel type.
General Data Type:	Number

braided

CC ID: 363511

Seq. Order:	7
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	The number of votes on the braided channel type (out of 1000 votes).
General Data Type:	Number

island_bra

CC ID: 363512

Seq. Order:	8
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	The number of votes on the island-braided channel type (out of 1000 votes).
General Data Type:	Number

meandering

CC ID: 363513

Seq. Order:	9
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	The number of votes on the meandering channel type (out of 1000 votes).
General Data Type:	Number

straight

CC ID: 363514

Seq. Order:	10
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	The number of votes on the straight channel type (out of 1000 votes).
General Data Type:	Number

major_type

CC ID: 363515

Seq. Order:	11
Data Storage Type:	Text
Max Length:	25
Required:	No
Primary Key:	No
Status:	Active
Description:	The channel type name which received the highest number of votes.
General Data Type:	Text

renum

CC ID: 363516

Seq. Order:	12
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Unique numbers assigned to river reaches.
General Data Type:	Number

aggid_x3x3

CC ID: 363517

Seq. Order:	13
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Aggregated reach ID within the same renum number.
General Data Type:	Number

avg_f_acc

CC ID: 363518

Seq. Order:	14
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Average flow accumulation number among the aggregated reaches.
General Data Type:	Number

avg_p_acc

CC ID: 363519

Seq. Order:	15
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Average flow accumulation weighted by precipitation number among the aggregated reaches.
General Data Type:	Number

avg_s_acc

CC ID: 363520

Seq. Order:	16
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Average flow accumulation weighted by fine sediment supply area number among the aggregated reaches.
General Data Type:	Number

avg_hi_sed

CC ID: 363521

Seq. Order:	17
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Average flow accumulation weighted by alpine sediment supply area among the aggregated reaches.
General Data Type:	Number

avg_slope

CC ID: 363522

Seq. Order:	18
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Average channel slope among the aggregated reaches.
General Data Type:	Number

avg_fpw_in

CC ID: 363523

Seq. Order:	19
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Average flood plain width in meters among the aggregated reaches.
General Data Type:	Number

discharge_

CC ID: 363524

Seq. Order:	20
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Estimated 2 year-flood discharge.
General Data Type:	Number

regime

CC ID: 363525

Seq. Order:	21
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Estimated flow regime identifier.
General Data Type:	Number

length_m

CC ID: 363526

Seq. Order:	22
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Reach length in meters.
General Data Type:	Number

sn

CC ID: 363527

Seq. Order:	23
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Unique identifier.
General Data Type:	Number

avg_bfw_m

CC ID: 363528

Seq. Order:	24
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Average bankfull width in meters.
General Data Type:	Number

r_slope

CC ID: 363529

Seq. Order:	25
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Relative slope value calculated by ( a target reach slope - one above reach slope).
General Data Type:	Number

Shape_Length

CC ID: 363530

Seq. Order:	26
Data Storage Type:	Number
Max Length:	22
Required:	No
Primary Key:	No
Status:	Active
Description:	Software computed length of a segment.
General Data Type:	Number

Catalog Details

Catalog Item ID:	35956
GUID:	gov.noaa.nmfs.inport:35956
Metadata Record Created By:	Jeffrey W Cowen
Metadata Record Created:	2016-12-14 11:08+0000
Metadata Record Last Modified By:	SysAdmin InPortAdmin
Metadata Record Last Modified:	2022-08-09 17:11+0000
Metadata Record Published:	2017-01-06
Owner Org:	NWFSC
Metadata Publication Status:	Published Externally
Do Not Publish?:	N
Metadata Last Review Date:	2017-01-06
Metadata Review Frequency:	1 Year
Metadata Next Review Date:	2018-01-06