Potential areas of groundwater discharge, Humboldt River Basin, Nevada

Potential areas of groundwater discharge were delineated for the Humboldt River Basin to estimate groundwater evapotranspiration from phreatophyte vegetation, the primary component of natural groundwater discharge in the region. The boundary that defines the potential area of groundwater discharge represents the maximum spatial extent of groundwater discharge by phreatophyte vegetation, and areas within this boundary may discharge little to no groundwater where bare soil or sparse vegetation is the primary land cover. The boundaries are based on the original delineations of phreatophyte vegetation published in Reconnaissance Series Reports and Water Resource Bulletins for the state, which have also been included in this database with the filename \"Historical_recon_and_wrb_phreatophyte_boundaries.shp\".

本数据集针对洪堡河流域（Humboldt River Basin）划定了地下水排泄潜在区域，旨在估算该区域内天然地下水排泄的核心组成部分——潜水植物（phreatophyte）的地下水蒸散量。该地下水排泄潜在区域的边界，代表了潜水植物进行地下水排泄的最大空间范围；若边界内某区域以裸土或稀疏植被为主要土地覆被类型，则该区域的地下水排泄量极少甚至为零。本次划定的边界基于本州《勘探系列报告》（Reconnaissance Series Reports）与《水资源公报》（Water Resource Bulletins）中发布的潜水植物原始分布范围，此类原始划定数据亦已收录至本数据库中，文件名为"Historical_recon_and_wrb_phreatophyte_boundaries.shp"。