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gieVector (MapServer)

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Service Description: Global island data broken into four layers: continental mainlands, big islands (> 1km2), small islands (= 0.0036km2), and very small islands (< 0.0036km2). This dataset builds on a USGS Esri product produced in 2018 through global classification of composite 2015 Landsat imagery as water or land with a minimum mapping unit of 3600 square meters (the area of four contiguous Landsat pixels) (Sayer et al. 2018). The USGS Esri data was compared and merged with a global islands dataset created and maintained by WCMC and Island Conservation. Islands that were missing from the original USGS Esri dataset were gathered and included from the WCMC Island Conservation data and further polygon attribute information was collected as well.

Map Name: gieVector

Legend

All Layers and Tables

Dynamic Legend

Dynamic All Layers

Layers: Description: Global island data as a result of collaboration between USGS, Esri and WCMC. Global island data broken into four layers: continental mainlands, big islands (> 1km2), small islands (<= 1km2 AND >= 0.0036km2), and very small islands (< 0.0036km2). This dataset builds on a USGS Esri product produced in 2018 through global classification of composite 2015 Landsat imagery as water or land with a minimum mapping unit of 3600 square meters (the area of four contiguous Landsat pixels) (Sayer et al. 2018). The USGS Esri data was compared and merged with a global islands dataset created and maintained by WCMC and Island Conservation. Islands that were missing from the original USGS Esri dataset were gathered and included from the WCMC Island Conservation data and further polygon attribute information was collected as well.

Copyright Text: USGS, Esri, WCMC, Island Conservation

Spatial Reference: 4326  (4326)


Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriDecimalDegrees

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info: Supports Dynamic Layers: true

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



Child Resources:   Info   Dynamic Layer

Supported Operations:   Export Map   Identify   QueryDomains   Find   Return Updates