A new 30 meter resolution global shoreline vector and associated global islands database for the development of standardized ecological coastal units

作者: Roger Sayre , Suzanne Noble , Sharon Hamann , Rebecca Smith , Dawn Wright

DOI: 10.1080/1755876X.2018.1529714

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摘要: ABSTRACTA new 30-m spatial resolution global shoreline vector (GSV) was developed from annual composites of 2014 Landsat satellite imagery. The semi-automated classification the imagery accomplished by manual selection training points representing water and non-water classes along entire coastline. Polygon topology applied to GSV, resulting in a characterisation number size islands. Three islands were mapped: continental mainlands (5), greater than 1 km2 (21,818), smaller (318,868). GSV represents shore zone land interface boundary, is spatially explicit ecological domain separator between terrestrial marine environments. development characteristics are presented herein. An approach also proposed for delineating standardised, high coastal units (ECUs). For this ecosystem mapping effort, will be used se...

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