National Hydrography Dataset High Resolution Flowlines

This child item contains estimated Self-Calibrated Palmer Drought Severity Index (scPDSI) values and ancillary information for the flowlines in the National...本数据子集项包含国家范围内流线的自校准帕尔默干旱严重指数（Self-Calibrated Palmer Drought Severity Index, scPDSI）估算值及辅助信息。