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Map Name: Map
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Description: 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.
Service Item Id: b849fcf6e50446238160212c8165da91
Copyright Text: USGS, Esri, WCMC, Island Conservation
Spatial Reference:
102100
(3857)
Single Fused Map Cache: false
Initial Extent:
XMin: -2.1751247071494617E7
YMin: -2.5685801101769764E7
XMax: 1.992385950123138E7
YMax: 1.9256145326840248E7
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -2.00369741381E7
YMin: -1.9589728605300006E7
XMax: 2.0026963164000005E7
YMax: 2.12665863298E7
Spatial Reference: 102100
(3857)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Data_Mgmt.aprx
Author:
Comments: 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.
Subject: Global island data as a result of collaboration between USGS, Esri and WCMC.
Category:
Keywords: global islands
AntialiasingMode: Fast
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 2000
MaxSelectionCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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