GIS Shapefile, Spatial boundaries and land cover summaries for eight sub-watersheds of the Baltimore Ecosystem Study LTER

Watershed boundaries for eight sub-watersheds within the Baltimore Ecosystem Study LTER were delineated at 1-meter and 30-meter spatial resolutions. Watershed boundaries were used to calculate total area and extract and summarize existing land cover data (1m 2016 Chesapeake Conservancy Land Cover Data Project; 30m 2011 USGS National Land Cover Database). Two spatial resolutions are included to accommodate the needs of studies with different input requirements. In addition, providing data at both spatial scales highlights the importance of spatial resolution on study results.

针对巴尔的摩生态研究长期生态研究（Long Term Ecological Research, LTER）计划内的8个子流域，研究人员以1米与30米两种空间分辨率绘制了流域边界。所得流域边界被用于计算流域总面积，并提取、汇总现有土地覆被数据：其中1米分辨率数据源自2016年切萨皮克保护协会（Chesapeake Conservancy）土地覆被数据项目，30米分辨率数据源自2011年美国地质调查局（United States Geological Survey, USGS）国家土地覆被数据库。本数据集包含两种空间分辨率，以适配不同输入需求的研究场景；此外，同时提供两种空间尺度的数据，可凸显空间分辨率对研究结果的重要影响。