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Sample Design: ODEQ Statewide Biomonitoring Study Design
  • ID: 408
  • State: Finalized
  • Owner: Shannon Hubler
  • Collaborator(s): None
  • Spatial Design Category: Generalized Random Tessellation Stratified (GRTS)
  • Sites in Design: 560
  • Has Location Privacy: No
  • Data Repository: <none>
Basics

The details of this Sample Design, including all the parameters used to generate it, are included below. Sample designs must belong to a Study Plan.

Description

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Sample Design Parameters


Start Year

2015

Initiation Year

2015

Retirement Year

Study Plan

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Data Repositories

<none>

Photos

<none>

Documents

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Map of Sites

  • Stratum
  • Panel
  • Occasion
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Area of Inference

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AOI Notes

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Master Sample

This sample design is based on master sample: Columbia Basin Master Sample

Details of this master sample:



Frame Definition

Frame

This sample design started with an initial frame of 551,046 sites, based on its master sample. The criteria (based on the master sample's attributes) were then used to refine the sample frame down to 71,633 sites:

Criteria Group 1
           
  Strahler Order Is Equal To 1 OR
  Strahler Order Is Equal To 2 OR
  Strahler Order Is Equal To 3 OR
  Strahler Order Is Equal To 4
AND

Criteria Group 2
           
  NHD Feature Type Desc Is Equal To StreamRiverPerennial
AND

Criteria Group 3
           
  State Is Equal To OR

Target Population

All wadeable streams in the State of Oregon


Panels

Panel designs can help address sampling objectives by increasing the total number of samples at a lower overall cost. A common panel structure involves one or more panels with a high revisit frequency (e.g. an “Annual” panel), and other panels with a lower revisit frequency (e.g. a three year “Rotating” panel).

Panel Sampling Occasion (5 Year(s))
# Panel Name Panel Abbr. 1 2 3 4 5
1
Year 1
2015
2
Year 2
2016
3
Year 3
2017
4
Year 4
2018
5
Year 5
2019

Stratification

This design uses the following attributes to create the stratification shown below. Each row in the table represents a stratum. This design’s panels are also shown in the table, even if it uses only a single, default panel.

Sample Attributes
  Attribute   Values In Frame
  SO 4 Values: 1, 2, 3, 4
  ODEQ_Region_Strata 10 Values: ClosedBasins_Klamath, Deschutes_MiddleCol_Hood, GrandeRonde_Powder, JohnDay_Umatilla_SpanishHollow, Maheur_Owyhee, Mid_North Coast, Rogue, South Coast, Umpqua, Willamette_Sandy
Attributes # Sites In Frame Frame Length (km) Stratum Attributes Panels
SO ODEQ_Region_Strata Stratum Name Stratum Abbr. Year 1 Year 2 Year 3 Year 4 Year 5 # of Sites
1 ClosedBasins_Klamath 2512 0 1-ClosedBasins_Klamath 1-CK 0 0 0 5 0
1 Deschutes_MiddleCol_Hood 1893 0 1-Deschutes_MiddleCol_Hood 1-DMC 5 0 0 0 0
1 GrandeRonde_Powder 3872 0 1-GrandeRonde_Powder 1-GP 0 0 5 0 0
1 JohnDay_Umatilla_SpanishHollow 4837 0 1-JohnDay_Umatilla_SpanishHollow 1-JUS 0 0 0 0 5
1 Maheur_Owyhee 603 0 1-Maheur_Owyhee 1-MO 0 5 0 0 0
1 Mid_North Coast 4462 0 1-Mid_North Coast 1-MNC 0 0 0 0 5
1 Rogue 4019 0 1-Rogue 1-R 0 5 0 0 0
1 South Coast 3003 0 1-South Coast 1-SC 0 0 5 0 0
1 Umpqua 4350 0 1-Umpqua 1-U 5 0 0 0 0
1 Willamette_Sandy 9349 0 1-Willamette_Sandy 1-WS 0 0 0 5 0
2 ClosedBasins_Klamath 2079 0 2-ClosedBasins_Klamath 2-CK 0 0 0 4 0
2 Deschutes_MiddleCol_Hood 1352 0 2-Deschutes_MiddleCol_Hood 2-DMC 4 0 0 0 0
2 GrandeRonde_Powder 2038 0 2-GrandeRonde_Powder 2-GP 0 0 4 0 0
2 JohnDay_Umatilla_SpanishHollow 2271 0 2-JohnDay_Umatilla_SpanishHollow 2-JUS 0 0 0 0 4
2 Maheur_Owyhee 511 0 2-Maheur_Owyhee 2-MO 0 4 0 0 0
2 Mid_North Coast 1444 0 2-Mid_North Coast 2-NMC 0 0 0 0 4
2 Rogue 1414 0 2-Rogue 2-R 0 4 0 0 0
2 South Coast 906 0 2-South Coast 2-SC 0 0 4 0 0
2 Umpqua 1307 0 2-Umpqua 2-U 4 0 0 0 0
2 Willamette_Sandy 3119 0 2-Willamette_Sandy 2-WS 0 0 0 4 0
3 ClosedBasins_Klamath 1170 0 3-ClosedBasins_Klamath 3-CK 0 0 0 8 0
3 Deschutes_MiddleCol_Hood 1041 0 3-Deschutes_MiddleCol_Hood 3-DMC 8 0 0 0 0
3 GrandeRonde_Powder 1253 0 3-GrandeRonde_Powder 3-GP 0 0 8 0 0
3 JohnDay_Umatilla_SpanishHollow 1325 0 3-JohnDay_Umatilla_SpanishHollow 3-JUS 0 0 0 0 8
3 Maheur_Owyhee 545 0 3-Maheur_Owyhee 3-MO 0 8 0 0 0
3 Mid_North Coast 970 0 3-Mid_North Coast 3-MNC 0 0 0 0 8
3 Rogue 720 0 3-Rogue 3-R 0 8 0 0 0
3 South Coast 619 0 3-South Coast 3-SC 0 0 8 0 0
3 Umpqua 679 0 3-Umpqua 3-U 8 0 0 0 0
3 Willamette_Sandy 2221 0 3-Willamette_Sandy 3-WS 0 0 0 8 0
4 ClosedBasins_Klamath 662 0 4-ClosedBasins_Klamath 4-CK 0 0 0 8 0
4 Deschutes_MiddleCol_Hood 720 0 4-Deschutes_MiddleCol_Hood 4-DMC 8 0 0 0 0
4 GrandeRonde_Powder 550 0 4-GrandeRonde_Powder 4-GP 0 0 8 0 0
4 JohnDay_Umatilla_SpanishHollow 823 0 4-JohnDay_Umatilla_SpanishHollow 4-JUS 0 0 0 0 8
4 Maheur_Owyhee 356 0 4-Maheur_Owyhee 4-MO 0 8 0 0 0
4 Mid_North Coast 497 0 4-Mid_North Coast 4-MNC 0 0 0 0 8
4 Rogue 341 0 4-Rogue 4-R 0 8 0 0 0
4 South Coast 280 0 4-South Coast 4-SC 0 0 8 0 0
4 Umpqua 502 0 4-Umpqua 4-U 8 0 0 0 0
4 Willamette_Sandy 1017 0 4-Willamette_Sandy 4-WS 0 0 0 8 0
TOTAL 0 km      

Generated Sample Sites

Below is the complete list of sample sites that were drawn using the criteria for this sample design.

Number of sites before generating the GRTS sample: 71,633
Number of sites after generating the GRTS sample: 560
Number of oversamples: 310
Number of panels: 5
Number of strata: 40

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Sample Sites

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Distribution

The histogram charts below show the distribution of this sample design’s sites across the various panels and strata.


Additional Design Documentation
Attributes
  Schema   Attribute   Description
Projection Details

PROJCS["USA_Contiguous_Albers_Equal_Area_Conic_USGS_version",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Albers"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-96.0],PARAMETER["Standard_Parallel_1",29.5],PARAMETER["Standard_Parallel_2",45.5],PARAMETER["Latitude_Of_Origin",23.0],UNIT["Meter",1.0]]

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