Hubbard Brook Experimental Forest Watershed Boundaries: GIS Shapefile
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下载链接：
https://portal.edirepository.org/nis/mapbrowse?packageid=knb-lter-hbr.94.2
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资源简介：
Diazo copy of Hubbard Brook Watershed Map generated stereophoto- grammetrically
based on May, 1956 aerial photography. Shows New Hampshire state plane coordinate
system reference points which were projected into UTM Zone 19 and used as reference
tics. The watersheds boundaries were delineated on a paper diazo copy of the Hubbard
Brook Watershed Map supplied by Wayne Martin and manually digitized. Data distributed as shapefile in
Coordinate system EPSG:26919 - NAD83 / UTM zone 19N
本数据集为基于1956年5月航空摄影资料，经立体摄影测量生成的哈伯德布鲁克流域地图重氮副本。该副本标注有新罕布什尔州平面坐标系参考点，此类参考点已投影至通用横轴墨卡托（UTM）19带，并作为参考控制点使用。各流域边界先在韦恩·马丁提供的哈伯德布鲁克流域地图纸质重氮副本上进行勾绘，随后经手动数字化处理完成。数据集以形状文件（shapefile）格式分发，采用的坐标系为EPSG:26919 —— NAD83 / UTM 19北带。
提供机构：
Environmental Data Initiative
创建时间：
2016-02-17
