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Service Description: Height Above Nearest Drainage (HAND) is a terrain model that normalizes topography to the relative heights along the drainage network and is used to describe the relative soil gravitational potentials or the local drainage potentials. Each pixel value represents the vertical distance to the nearest drainage.
This HAND dataset provides near-worldwide land coverage at 30 meters, and was produced from the 2021 release of the Copernicus GLO-30 Public DEM as distributed in the Registry of Open Data on AWS (https://registry.opendata.aws/copernicus-dem/) using the the HydroSAR Python Package (https://pypi.org/project/hydrosar/) and the PySheds Python library (https://github.com/mdbartos/pysheds).
The HAND data are provided as a tiled set of Cloud Optimized GeoTIFFs (COGs) with 30-meter (1 arcsecond) pixel spacing. The COGs are organized into the same 1 degree by 1 degree grid tiles as the GLO-30 DEM, and individual tiles are pixel-aligned to the corresponding COG DEM tile.
GlobalHAND/GLO30_HAND
Description: Height Above Nearest Drainage (HAND) is a terrain model that normalizes topography to the relative heights along the drainage network and is used to describe the relative soil gravitational potentials or the local drainage potentials. Each pixel value represents the vertical distance to the nearest drainage.
This HAND dataset provides near-worldwide land coverage at 30 meters, and was produced from the 2021 release of the Copernicus GLO-30 Public DEM as distributed in the Registry of Open Data on AWS (https://registry.opendata.aws/copernicus-dem/) using the the HydroSAR Python Package (https://pypi.org/project/hydrosar/) and the PySheds Python library (https://github.com/mdbartos/pysheds).
The HAND data are provided as a tiled set of Cloud Optimized GeoTIFFs (COGs) with 30-meter (1 arcsecond) pixel spacing. The COGs are organized into the same 1 degree by 1 degree grid tiles as the GLO-30 DEM, and individual tiles are pixel-aligned to the corresponding COG DEM tile.
false
Extent:
XMin: -2.00375070672E7
YMin: -3.024097145838615E7
XMax: 2.0037507842788246E7
YMax: 1.8807362010700002E7
Spatial Reference: 102100
(3857)
Initial Extent:
XMin: -2.00375070672E7
YMin: -3.024097145838615E7
XMax: 2.0037507842788246E7
YMax: 1.8807362010700002E7
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -2.00375070672E7
YMin: -3.024097145838615E7
XMax: 2.0037507842788246E7
YMax: 1.8807362010700002E7
Spatial Reference: 102100
(3857)
Pixel Size X: 2.999999843542543
Pixel Size Y: 2.999999906362947
Band Count: 1
Pixel Type: F32
RasterFunction Infos: {"rasterFunctionInfos": [
{
"name": "COP30_HAND_2SDstretch",
"description": "Applies a 2 Standard Deviation stretch using Dynamic Range Adjustment (DRA).",
"help": ""
},
{
"name": "None",
"description": "Make a Raster or Raster Dataset into a Function Raster Dataset.",
"help": ""
}
]}
Mensuration Capabilities: Basic
Has Histograms: false
Has Colormap: false
Has Multi Dimensions : false
Rendering Rule:
Min Scale: 0
Max Scale: 0
Copyright Text: Copyright 2022 Alaska Satellite Facility (ASF). Produced using the Copernicus WorldDEM™-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The use of the HAND data falls under the terms and conditions of the Creative Commons Zero (CC0) 1.0 Universal License.
Service Data Type: esriImageServiceDataTypeGeneric
Min Values: N/A
Max Values: N/A
Mean Values: N/A
Standard Deviation Values: N/A
Object ID Field: OBJECTID
Fields:
-
OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
-
Shape
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type: esriFieldTypeGeometry, alias: Shape
)
-
Name
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type: esriFieldTypeString, alias: Name, length: 200
)
-
MinPS
(
type: esriFieldTypeDouble, alias: MinPS
)
-
MaxPS
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type: esriFieldTypeDouble, alias: MaxPS
)
-
LowPS
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type: esriFieldTypeDouble, alias: LowPS
)
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HighPS
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type: esriFieldTypeDouble, alias: HighPS
)
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Category
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type: esriFieldTypeInteger, alias: Category
, Coded Values:
[0: Unknown]
, [1: Primary]
, [2: Overview]
, ...6 more...
)
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Tag
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type: esriFieldTypeString, alias: Tag, length: 100
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ProductName
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type: esriFieldTypeString, alias: ProductName, length: 100
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CenterX
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type: esriFieldTypeDouble, alias: CenterX
)
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CenterY
(
type: esriFieldTypeDouble, alias: CenterY
)
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ZOrder
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type: esriFieldTypeInteger, alias: ZOrder
)
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Tile
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type: esriFieldTypeString, alias: Tile, length: 255
)
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DownloadURL
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type: esriFieldTypeString, alias: DownloadURL, length: 255
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URLDisplay
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type: esriFieldTypeString, alias: URLDisplay, length: 255
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Dataset_ID
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type: esriFieldTypeString, alias: Dataset_ID, length: 255
)
Default Mosaic Method: ByAttribute
Allowed Mosaic Methods: ByAttribute,Center,NorthWest,Nadir,LockRaster,Seamline,None
SortField: Name
SortValue: 0
Mosaic Operator: First
Default Compression Quality: 80
Default Resampling Method: Nearest
Max Record Count: 2000
Max Image Height: 5000
Max Image Width: 5000
Max Download Image Count: 50
Max Mosaic Image Count: 50
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
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
Compute Angles
Validate
Project