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Service Description: A DEM derivative that influences multiple hydrologic processes as well as heat loading factors. A surface representing the downhill slope was created by calculating maximum rate of change between a cell and its neighbors. The final surface has values where higher values represent northerly facing slopes to lower values representing southerly facing slopes where greater heat loading occurs in the northern hemisphere. Further definition comes from ESRI ArcMap help: Incoming solar radiation (insolation) originates from the sun; changes as it travels through the atmosphere; modified by topography and surface features; and is intercepted at the earth's surface as direct, diffuse, and reflected components. Direct radiation is intercepted unimpeded in a direct line from the sun. Diffuse radiation is scattered by atmospheric constituents, such as clouds and dust. Reflected radiation is reflected from surface features. The sum of the direct, diffuse, and reflected radiation is called total or global solar radiation.
Purpose: The purpose of the solar dataset is to weigh the CETWI model based on the amount of solar radiation a hillslope receives throughout an average day. This dataset has high values for shaded hillslope and low values for expose high sun angle hillslopes.
Creation Date: 20240507
Publication Date: 20240507
Revision Date:
Refresh Cycle: Updated periodically as new imagery becomes available
Version: 1.0.0
Change Log: Service Deployed
Report Service Errors
cetwi/cetwi_solar_2022_10m
Description: A DEM derivative that influences multiple hydrologic processes as well as heat loading factors. A surface representing the downhill slope was created by calculating maximum rate of change between a cell and its neighbors. The final surface has values where higher values represent northerly facing slopes to lower values representing southerly facing slopes where greater heat loading occurs in the northern hemisphere. Further definition comes from ESRI ArcMap help: Incoming solar radiation (insolation) originates from the sun; changes as it travels through the atmosphere; modified by topography and surface features; and is intercepted at the earth's surface as direct, diffuse, and reflected components. Direct radiation is intercepted unimpeded in a direct line from the sun. Diffuse radiation is scattered by atmospheric constituents, such as clouds and dust. Reflected radiation is reflected from surface features. The sum of the direct, diffuse, and reflected radiation is called total or global solar radiation.
Purpose: The purpose of the solar dataset is to weigh the CETWI model based on the amount of solar radiation a hillslope receives throughout an average day. This dataset has high values for shaded hillslope and low values for expose high sun angle hillslopes.
Creation Date: 20240507
Publication Date: 20240507
Revision Date:
Refresh Cycle: Updated periodically as new imagery becomes available
Version: 1.0.0
Change Log: Service Deployed
Report Service Errors
false
Extent:
XMin: -1.41369485894E7
YMin: 2970825.037857558
XMax: -1.0025229204231327E7
YMax: 6388034.489299999
Spatial Reference: 102100
(3857)
Initial Extent:
XMin: -1.41369485894E7
YMin: 2970825.037857558
XMax: -1.0025229204231327E7
YMax: 6388034.489299999
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.41369485894E7
YMin: 2970825.037857558
XMax: -1.0025229204231327E7
YMax: 6388034.489299999
Spatial Reference: 102100
(3857)
Pixel Size X: 10.30736025120559
Pixel Size Y: 10.30736025120559
Band Count: 1
Pixel Type: U16
RasterFunction Infos: {"rasterFunctionInfos": [
{
"name": "cetwi_rangeland",
"description": "The Climate-Enhanced Topographic Wetness Index (CETWI) is a climate and terrain driven deterministic model using a suite of derivatives to estimate effective soil surface moisture from precipitation and inflow across a continuous earth surface.The CETWI value, scaled with zero beginning the lowest potential for moisture to accumulate to higher values being the highest potential for moisture to accumulate",
"help": ""
},
{
"name": "None",
"description": "",
"help": ""
}
]}
Mensuration Capabilities: Basic
Has Histograms: true
Has Colormap: false
Has Multi Dimensions : false
Rendering Rule:
Min Scale: 0
Max Scale: 0
Copyright Text: CETWI Solar Imagery Service provided by USDA-FPAC
Service Data Type: esriImageServiceDataTypeGeneric
Min Values: 1
Max Values: 1000
Mean Values: 489.5874328273381
Standard Deviation Values: 290.07710929350753
Object ID Field: OBJECTID
Fields:
-
OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
-
Shape
(
type: esriFieldTypeGeometry, alias: Shape
)
-
Name
(
type: esriFieldTypeString, alias: Name, length: 200
)
-
Category
(
type: esriFieldTypeInteger, alias: Category
, Coded Values:
[0: Unknown]
, [1: Primary]
, [2: Overview]
, ...6 more...
)
-
GroupName
(
type: esriFieldTypeString, alias: GroupName, length: 100
)
-
CenterX
(
type: esriFieldTypeDouble, alias: CenterX
)
-
CenterY
(
type: esriFieldTypeDouble, alias: CenterY
)
-
Shape_Length
(
type: esriFieldTypeDouble, alias: Shape_Length
)
-
Shape_Area
(
type: esriFieldTypeDouble, alias: Shape_Area
)
Default Mosaic Method: Northwest
Allowed Mosaic Methods: NorthWest,Center,LockRaster,ByAttribute,Nadir,Viewpoint,Seamline,None
SortField:
SortValue: null
Mosaic Operator: First
Default Compression Quality: 75
Default Resampling Method: Bilinear
Max Record Count: 1000
Max Image Height: 4100
Max Image Width: 15000
Max Download Image Count: 20
Max Mosaic Image Count: 20
Allow Raster Function: true
Allow Copy: true
Allow Analysis: true
Allow Compute TiePoints: false
Supports Statistics: true
Supports Advanced Queries: true
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
Query
Identify
Measure
Compute Histograms
Compute Statistics Histograms
Get Samples
Compute Class Statistics
Query Boundary
Compute Pixel Location
Validate
Project