Philadelphia Impervious Surfaces, 2016 - City of Philadelphia

Planimetric Coverage containing the delineation of impervious surfaces for studying and calculating drainage runoff. This coverage shows surface features that are visible on the aerial photography, and is sometimes referred to as the landbase.

Dataset hosted at PASDA Pennsylvania Spatial Data Access, The Pennsylvania Geospatial Data Clearinghouse

Web map services links.
http://maps.psiee.psu.edu/preview/map.ashx?layer=1136
REST: http://maps.pasda.psu.edu/ArcGIS/rest/services/pasda/CityPhilly/MapServer
WMS: http://maps.pasda.psu.edu/arcgis/services/pasda/CityPhilly/MapServer/WMSServer?SERVICE=WMS&request=getcapabilities
Data: ftp://ftp.pasda.psu.edu/pub/pasda/philacity/data/PhiladelphiaImperviousSurfaces2015.zip
GeoJSON: http://www.pasda.psu.edu/json/PhiladelphiaImperviousSurfaces2015.geojson
Metadata: http://www.pasda.psu.edu/uci/FullMetadataDisplay.aspx?file=PhiladelphiaImperviousSurfaces2015.xml

该数据集包含了不透水地表的划界信息，旨在研究和计算径流排水。该覆盖层展示了在航空摄影上可见的地面特征，有时亦被称为土地基础。
数据集由宾夕法尼亚空间数据访问中心（PASDA）宾夕法尼亚地理空间数据中心托管。

网络地图服务链接。
- 预览链接：http://maps.psiee.psu.edu/preview/map.ashx?layer=1136
- REST服务：http://maps.pasda.psu.edu/ArcGIS/rest/services/pasda/CityPhilly/MapServer
- WMS服务：http://maps.pasda.psu.edu/arcgis/services/pasda/CityPhilly/MapServer/WMSServer?SERVICE=WMS&request=getcapabilities
- 数据下载：ftp://ftp.pasda.psu.edu/pub/pasda/philacity/data/PhiladelphiaImperviousSurfaces2015.zip
- GeoJSON链接：http://www.pasda.psu.edu//PhiladelphiaImperviousSurfaces2015.geo
- 元数据链接：http://www.pasda.psu.edu/uci/FullMetadataDisplay.aspx?file=PhiladelphiaImperviousSurfaces2015.xml