- ID: 2511
- State: Finalized
- Owner: Scott Miller
- Collaborator(s): None
- Spatial Design Category: Generalized Random Tessellation Stratified (GRTS)
- Sites in Design: 88
- Has Location Privacy: No
- Data Repository: <none>
- Created by: Scott Miller
- Created: 3/12/2016
- Updated by: Rebecca Scully
- Updated: 10/2/2017
- Version History: v2.0 Revising (10/2/2017) - v1.0 Finalized (3/13/2016)
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
Sample Design Parameters
- No user sites
- 2 Panels
- Is stratified
Start Year
2016
Initiation Year
2016
Retirement Year
Study Plan
BLM AIM Assessment, Inventory, and Monitoring (AIM) of Wadeable Lotic Systems v1.0
Data Repositories
<none>
Photos
<none>
Documents
<none>
Map of Sites
- Stratum
- Panel
- Occasion
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Area of Inference
<none>
AOI Notes
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This sample design is based on master sample: Bureau of Land Management Lotic
Details of this master sample:
- Source: U.S. Bureau of Land Management
- # of sites: 67033
- Type: Linear Master Sample
Frame
This sample design started with an initial frame of 67,033 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 687 sites:
Target Population
The study area encompasses the perennial streams and rivers of the BLM New Mexico Farmington District and includes the Taos Field Office and Farmington Field Office. Reporting units: Farmington and Taos FO
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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 (2 Year(s)) | ||
# | Panel Name | Panel Abbr. | 1 |
1 |
Year 1
|
Yr1
|
|
2 |
Year 2
|
Yr2
|
|
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.
Attribute | Values In Frame | ||
---|---|---|---|
StreamOr_1 | 7 Values: 1, 2, 3, 4, 5, 6, 7 | ||
ADMU_ADMU_NAME | 2 Values: FARMINGTON FIELD OFFICE, TAOS FIELD OFFICE |
Attributes | # Sites In Frame | Frame Length (km) | Stratum Attributes | Panels | ||||
---|---|---|---|---|---|---|---|---|
StreamOr_1 | ADMU_ADMU_NAME | Stratum Name | Stratum Abbr. | Year 1 | Year 2 | # of Sites | ||
1 | FARMINGTON FIELD OFFICE | 45 | 0 | 1.0-FARMINGTON FIELD OFFICE | S0 | 2 | 1 | |
1 | TAOS FIELD OFFICE | 3 | 0 | 1.0-TAOS FIELD OFFICE | S1 | 1 | 1 | |
2 | FARMINGTON FIELD OFFICE | 46 | 0 | 2.0-FARMINGTON FIELD OFFICE | S2 | 1 | 1 | |
2 | TAOS FIELD OFFICE | 16 | 0 | 2.0-TAOS FIELD OFFICE | S3 | 1 | 0 | |
3 | FARMINGTON FIELD OFFICE | 112 | 0 | 3.0-FARMINGTON FIELD OFFICE | S4 | 3 | 3 | |
3 | TAOS FIELD OFFICE | 19 | 0 | 3.0-TAOS FIELD OFFICE | S5 | 1 | 0 | |
4 | FARMINGTON FIELD OFFICE | 12 | 0 | 4.0-FARMINGTON FIELD OFFICE | S6 | 0 | 1 | |
4 | TAOS FIELD OFFICE | 58 | 0 | 4.0-TAOS FIELD OFFICE | S7 | 2 | 2 | |
5 | FARMINGTON FIELD OFFICE | 124 | 0 | 5.0-FARMINGTON FIELD OFFICE | S8 | 3 | 3 | |
5 | TAOS FIELD OFFICE | 35 | 0 | 5.0-TAOS FIELD OFFICE | S9 | 2 | 2 | |
6 | FARMINGTON FIELD OFFICE | 30 | 0 | 6.0-FARMINGTON FIELD OFFICE | S10 | 1 | 1 | |
6 | TAOS FIELD OFFICE | 183 | 0 | 6.0-TAOS FIELD OFFICE | S11 | 3 | 4 | |
7 | FARMINGTON FIELD OFFICE | 0 | 0 | 7.0-FARMINGTON FIELD OFFICE | S12 | 0 | 0 | |
7 | TAOS FIELD OFFICE | 4 | 0 | 7.0-TAOS FIELD OFFICE | S13 | 1 | 0 | |
TOTAL | 0 km |
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: | 687 |
Number of sites after generating the GRTS sample: | 88 |
Number of oversamples: | 48 |
Number of panels: | 2 |
Number of strata: | 14 |
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Schema | Attribute | Description |
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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]]