Physical Habitat Characteristics on the North and South Forks of the Shenandoah River, VA in 2002-2007

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. The layers within this geodataset describe physical habitat characteristics in the North and South Fork Shenandoah rivers. They represent conditions during summer low-flow periods when canoeing was possible.The data are derived from GPS field surveys and GIS editing to complete habitat units around islands or river bends.

本数据集发布于2016年10月1日之前，彼时美国地质调查局（United States Geological Survey, USGS）出台的规范科学数据审核、批准与发布流程的政策尚未正式生效——该政策可参照《USGS调查手册第502.8章：基础科学实践：科学数据发布的审核与批准》。本地理数据集的各图层刻画了北申多伊河支流与南申多伊河支流的物理生境特征，其所表征的为夏季低流量时段的水文环境条件，该时段可开展皮划艇活动。本数据集通过全球定位系统（Global Positioning System, GPS）野外勘测与地理信息系统（Geographic Information System, GIS）编辑工作生成，用于完善岛屿或河湾周边的生境单元划分。