Great Artesian Basin (JK aquifer) Extent of Saturation - ARC

## **Abstract** \n\nThis dataset and its metadata statement were supplied to the Bioregional Assessment Programme by a third party and are presented here as originally supplied.\n\nAreas of the Great Artesian Basin (JK) Aquifer interpreted to be dry/not dry (unsaturated/saturated).\n\n## **Purpose** \n\nTo indicate the boundary between saturated and unsaturated groundwater conditions within the JK Aquifer.\n\n## **Dataset History** \n\nThis file was developed along with a number of other data sets as part of the Australian Government funded research program entitled Allocating Water and Maintaining Springs in the GAB.\n\nhttp://archive.nwc.gov.au/library/topic/groundwater/allocating-water-and-maintaining-springs-in-the-great-artesian-basin\n\nBy comparing the bottom of JK aquifer horizon (RL mAHD) to that of the uncorrected potentiometric surface of groundwater for the same aquifer (RL mAHD) and where the two were equal, this was interpreted to be the boundary between saturated and unsaturated groundwater conditions within the JK Aquifer. Where the potentiometric surface was found to be more elevated than the base of the JK aquifer, this was included in areas considered to be saturated, whereas areas where the potentiometric surface was found to be lower than the base of the JK aquifer were interpreted to be areas of unsaturated (dry) aquifer. The specific datafiles used to develop this layer include: \n\nM:\\Projects_GW\\GAB\\spatial_data\\hydro_map\\2012_map\\Updated_rasters\\zd_all\n\nM:\\Projects_GW\\GAB\\spatial_data\\hydro_map\\2012_map\\Updated_rasters\\pot_surface\n\n## **Dataset Citation** \n\nSA Department of Environment, Water and Natural Resources (2015) Great Artesian Basin (JK aquifer) Extent of Saturation - ARC. Bioregional Assessment Source Dataset. Viewed 26 May 2016, http://data.bioregionalassessments.gov.au/dataset/c272d1d1-8974-4ea9-93c8-f79d3a7c146f.

## **摘要**
本数据集及其元数据声明由第三方提交给生物区域评估计划（Bioregional Assessment Programme），此处按原始提交版本原样呈现。
本数据集涵盖大自流盆地（Great Artesian Basin）JK含水层中被判定为干燥/非干燥（非饱和/饱和）的区域。

## **用途**
用于划定JK含水层内地下水饱和与非饱和状态的边界。

## **数据集历史**
本文件与其他多个数据集同步开发，作为澳大利亚政府资助的研究项目“大自流盆地水资源分配与泉水保护（Allocating Water and Maintaining Springs in the GAB）”的组成部分。
http://archive.nwc.gov.au/library/topic/groundwater/allocating-water-and-maintaining-springs-in-the-great-artesian-basin

通过将JK含水层底板高程（RL mAHD）与同一含水层未经校正的地下水测压面（potentiometric surface）高程（RL mAHD）进行对比，当两者高程相等时，即被认定为JK含水层内地下水饱和与非饱和状态的分界界线。若测压面高程高于JK含水层底板，则该区域被纳入饱和区；反之，若测压面高程低于JK含水层底板，则被判定为非饱和（干燥）含水层区域。用于生成该图层的具体数据文件包括：
M:\Projects_GW\GAB\spatial_data\hydro_map\2012_map\Updated_rasters\zd_all
M:\Projects_GW\GAB\spatial_data\hydro_map\2012_map\Updated_rasters\pot_surface

## **数据集引用**
南澳环境、水与自然资源部（SA Department of Environment, Water and Natural Resources）（2015）。大自流盆地（JK含水层）饱和范围——ARC。生物区域评估源数据集。2016年5月26日查阅，http://data.bioregionalassessments.gov.au/dataset/c272d1d1-8974-4ea9-93c8-f79d3a7c146f.