FEMA Biological Opinion Impact Areas | ||
|---|---|---|
| Category | Hydro | |
| Feature Dataset Name | STAND-ALONE | |
| Item Name | FEMA_BIOP_AREAS_PDX | |
| Database Type | ||
| Originator | City of Portland | |
| Bureau | Bureau of Planning and Sustainability | |
| Publication Date | ||
| Abstract | Potential areas impacted by FEMA's Biological Opinion (BioP) related to streams with salmonid habitat. This is an interim mapping established by RPA 2 and does not represent the full scope of area impacted by the Biological Opinion. | |
| Purpose | For determining the potential impact of the FEMA BioP. | |
| Supplemental Information | ||
| Last Dataset Update | 05/04/2020 17:01 | |
| Last Source Update | 05/04/2020 14:10 | |
| Maintenance/Update Frequency | As needed | |
| Extent | City of Portland | |
| Data Type | ||
| Shape Type | Polygon | |
| Feature Count | 30 | |
| Horizontal Position Accuracy | ||
| Horizontal Position Accuracy Link | ||
| Progress | ||
| North Bounding Coordinate | 732248.04245358 | |
| South Bounding Coordinate | 651145.151043892 | |
| East Bounding Coordinate | 7696240.23148103 | |
| West Bounding Coordinate | 7612278.54676406 | |
| Theme Keyword(s) | floodplain, fema, biological opinion, salmonid, streams | |
| Theme Keyword Thesaurus | ||
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| Access Constraints | CGIS Do not distribute without Bureau Approval | |
| Use Constraints | After permission is granted by responsible bureau, these data are distributed under the terms of the City of Portland Data Distribution Policy. Care was taken in the creation of this data but it is provided "as is". The City of Portland cannot accept any responsibility for errors, omissions, or positional accuracy. | |
| Source Dataset Type | File Geodatabase | |
| Output Geodatabase | EGH_Public | |
| Distribution | Grid: State plane coordinate system 1983(91). Units: International feet Datum: North American Datum of 1983/1991 (HPGN) Liability: The City of Portland has placed restrictions on the distribution of this data due to security concerns. Access requests will be considered on a case-by-case basis. The information in this file was derived from digital databases on the City of Portland GIS. Care was taken in the creation of this file. The City cannot accept any responsibility for errors, omissions, or positional accuracy. There are no warranties, expressed or implied. Format: Shapefile or File Geodatabase Feature Class - Data will be provided via City of Portland FTP Site. Online Resource: http://portlandmaps.com/opendata Online Instructions: City of Portland Public/Open Data is distributed via the PortlandMaps Open Data Site - http://portlandmaps.com/opendata. Data not available on the PortlandMaps Open Data site can be requested by contacting the City of Portland CGIS Group - maps@portlandoregon.gov Transfer Size: varies SPCS Zone Identifier: 5076 | |
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| Lineage | ||
| 07/01/2016 | BioP mapping methodology 1. Stream selection: a. Select all stream within DSL Essential Salmonid Habitat (ESH) layer (including lower Columbia Slough up to 18th St)2. Union the following to create a proxy "Ordinary High Water" layer: a. Ordinary High Water layer3. Buffer resulting proxy "Ordinary High Water" layer by 170' 4. Floodplain mapping a. Dissolve fema flood hazard data on 100-year floodplain (SFHA)5. “Identity” resulting 100-year floodplain (SFHA) and BioP proxy "ordinary high water" buffer 6. Add “BioP_Class” field to result and populate: a. 1 = SFHA within the 170’ OHW buffer | |
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| Table Description | ||||||
| Table Jurisdiction | ||||||
| Column Sort | Column Name | Column Alias | Column Type | Column Size | Domain Value(s) | Column Description | 1 | SFHA | SFHA | String | 5 | | | 1 | OHW_Buffer | OHW_Buffer | String | 5 | | | 1 | BioP_Class | BioP_Class | Integer | 2 |
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