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Service Description: Flood depth grids communicate flood water depth for various flood frequency events. The flood depth for a given location is calculated by subtracting the ground elevation value from the water surface elevation; this process is executed for the area within the flood extent for each flood event (e.g. 1% annual chance, 10% annual chance, etc.). For more information, please review the technical and guidance documentation provided by FEMA (www.fema.gov/flood-maps/products-tools). Please contact the San Antonio River Authority’s (SARA) Watershed Engineering Department for more information regarding their FEMA Risk MAP projects.
Published Jan 2025.
Draft_Floodplain/MAS7_Depth_01pct
Description: Flood depth grids communicate flood water depth for various flood frequency events. The flood depth for a given location is calculated by subtracting the ground elevation value from the water surface elevation; this process is executed for the area within the flood extent for each flood event (e.g. 1% annual chance, 10% annual chance, etc.). For more information, please review the technical and guidance documentation provided by FEMA (www.fema.gov/flood-maps/products-tools). Please contact the San Antonio River Authority’s (SARA) Watershed Engineering Department for more information regarding their FEMA Risk MAP projects.
Published Jan 2025.
false
Extent:
XMin: 442628.9995194466
YMin: 3233340.230351167
XMax: 557469.1965914209
YMax: 3325594.0002451963
Spatial Reference: 26914
(26914)
Initial Extent:
XMin: 442628.9995194466
YMin: 3233340.230351167
XMax: 557469.1965914209
YMax: 3325594.0002451963
Spatial Reference: 26914
(26914)
Full Extent:
XMin: 442628.9995194466
YMin: 3233340.230351167
XMax: 557469.1965914209
YMax: 3325594.0002451963
Spatial Reference: 26914
(26914)
Pixel Size X: 3.0002402767190306
Pixel Size Y: 3.0001225981798205
Band Count: 1
Pixel Type: F32
RasterFunction Infos: {"rasterFunctionInfos": [{
"name": "None",
"description": "",
"help": ""
}]}
Mensuration Capabilities: Basic
Inspection Capabilities:
Has Histograms: true
Has Colormap: false
Has Multi Dimensions : false
Rendering Rule:
Min Scale: 0
Max Scale: 0
Copyright Text: Federal Emergency Management Agency and San Antonio River Authority
Service Data Type: esriImageServiceDataTypeGeneric
Min Values: 0
Max Values: 188.8000030517578
Mean Values: 12.95266432527875
Standard Deviation Values: 18.926836010795466
Object ID Field:
Fields:
None
Default Mosaic Method: Center
Allowed Mosaic Methods:
SortField:
SortValue: null
Mosaic Operator: First
Default Compression Quality: 75
Default Resampling Method: Bilinear
Max Record Count: null
Max Image Height: 4100
Max Image Width: 15000
Max Download Image Count: null
Max Mosaic Image Count: null
Allow Raster Function: true
Allow Copy: true
Allow Analysis: true
Allow Compute TiePoints: false
Supports Statistics: false
Supports Advanced Queries: false
Use StandardizedQueries: true
Raster Type Infos:
Name: Raster Dataset
Description: Supports all ArcGIS Raster Datasets
Help:
Has Raster Attribute Table: false
Edit Fields Info: null
Ownership Based AccessControl For Rasters: null
Child Resources:
Info
Histograms
Statistics
Key Properties
Legend
Raster Function Infos
Supported Operations:
Export Image
Identify
Measure
Compute Histograms
Compute Statistics Histograms
Get Samples
Compute Class Statistics
Query Boundary
Compute Pixel Location
Compute Angles
Validate
Project