Layers:

Layer: Earth Observation - Summer Irrigated Crop Areas (Time Series) (0)

Name: Earth Observation - Summer Irrigated Crop Areas (Time Series)

Display Field: Landuse

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This dataset contains a satellite observed timeseries of the extent of irrigated summer crop areas in NSW from present day, back to 1987. Observations have been derived from medium-resolution multi-spectral satellite imagery (30m/pixel Landsat with a 16 day return interval and 10 m/pixel Sentinel-2 with a 5 day return interval). The presence of irrigated crops is derived from the application of the Normalised Difference Vegetation Index (NDVI), which quantifies vegetation density and health based upon the reflectance of red and near-infrared light in multispectral satellite imagery. Expert opinion is then applied to qualify whether a field was irrigated, based on its greenness relative to the surrounding landscape throughout the summer season (December to April). The polygons are delineated in a semi-supervised manner and are accurate to the closest hectare. It should be noted images captured in December may reflect signs of water application representative of irrigated areas, but on account of limited visible greenness from emerging crops may not be included.

Copyright Text: NSW Department of Climate Change, Energy, the Environment and Water

Default Visibility: true

MaxRecordCount: 2000

MaxSelectionCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:
XMin: 144.35266270300008
YMin: -36.54177486499998
XMax: 153.59803445700004
YMax: -28.37575116399995
Spatial Reference: 4283  (4283)  LatestVCSWkid(0)



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Labeling Info:
Advanced Query Capabilities:
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Supports Count Distinct: true
Supports Time Relation: true
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Supports Query Analytic: true
Supports Query With Current User: true


HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:
• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Area_Ha ( type: esriFieldTypeDouble, alias: Area Ha )
• Landuse ( type: esriFieldTypeString, alias: Landuse, length: 80 )
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