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Service Description: This cached map service provides georeferenced high-resolution KH-9 HEXAGON satellite imagery acquired in 1975 and covering the Poloniny–Bieszczady–Ukrainian Carpathians cross-border region of Slovakia, Poland, and Ukraine.
The original declassified satellite imagery was obtained from the U.S. Geological Survey (USGS), Earth Resources Observation and Science (EROS) Center. The imagery was georeferenced and processed by the Technical University in Zvolen within the RETROCHANGE project.
The service is dynamically rendered and is intended for flexible visualization, analysis, and use in GIS clients where dynamic map generation or reprojection is required.
The dataset is intended for retrospective analysis of forest and landscape change, historical land-cover mapping, forest monitoring, forest fragmentation and edge analysis, landscape structure assessment, and comparison with contemporary geospatial datasets.
Positional accuracy may vary spatially due to the characteristics of historical satellite imagery and the georeferencing process. The dataset is not intended for cadastral, legal, engineering, or survey-grade applications.
Alternative cached services are available in EPSG:5514 and EPSG:3857.
Project: https://gis.tuzvo.sk/retrochange
Map Name: poloniny_epsg5514
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Dynamic Legend
Dynamic All Layers
Layers:
Description:
Copyright Text: Source imagery: Declassified KH-9 (HEXAGON) satellite imagery courtesy of the U.S. Geological Survey (USGS), Earth Resources Observation and Science (EROS) Center. Georeferencing and processing: Technical University in Zvolen, RETROCHANGE project.
Spatial Reference:
102067
(5514)
Single Fused Map Cache: false
Initial Extent:
XMin: -197500.0
YMin: -1220034.9404117009
XMax: -140000.0
YMax: -1183965.0595882991
Spatial Reference: 102067
(5514)
Full Extent:
XMin: -197500.0
YMin: -1220000.0
XMax: -140000.0
YMax: -1184000.0
Spatial Reference: 102067
(5514)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Map
Author:
Comments:
Subject:
Category:
Keywords: KH-9, HEXAGON, historical satellite imagery, declassified satellite imagery, 1975, Poloniny, Bieszczady, Eastern Carpathians, Carpathians, Slovakia, Poland, Ukraine, remote sensing, forest monitoring, land cover, landscape change, georeferenced image
AntialiasingMode: Fast
TextAntialiasingMode: Force
Supports Dynamic Layers: true
Resampling: false
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
Child Resources:
Info
Dynamic Layer
Supported Operations:
Export Map
QueryLegends
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