Baseline Delta groundwater data for Gippsland scenarios
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## **Abstract** \n\nThe dataset was compiled by the Bioregional Assessment Programme from multiple sources referenced within the dataset and/or metadata. The processes undertaken to compile this dataset are described in the History field in this metadata statement\n\n\n\nBaseline groundwater data within this geodatabase was generated by Craig Beverly in the Gippsland Regional Groundwater Model (Beverly et al, 2015).\n\nIt contains depth to groundwater in a number of scenarios based on year and the change in simulated depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model for one year relative to another year baseline conditions. These scenarios covered a greater area than the BAP and were reused in this Programme.\n\n## **Purpose** \n\nThe purpose of the modelling was to quantify the impacts of potential onshore gas projects. The design of the scenarios was to consider combinations of tight and shale gas and coal seam gas extractions within defined prospective development regions. ... The impacts of each predictive scenario were estimated based on a comparison with a defined baseline condition...\n\nImportantly, it is considered that while the developed groundwater model cannot be used predictively to quantify the water balance or water levels at the regional scale under specific development scenarios, it is appropriate for comparison of different scenarios for volumetric changes to the water balance or water levels against a baseline condition. \n\nExtract from The Gippsland groundwater model technical report, Beverly et al (2015)\n\n## **Dataset History** \n\nHow the resource was created:\n\nSimulation predictions created using USGS MODFLOW-2005 and extracted using customised software by Craig Beverly.\n\nSummary of content\n\nImage d232_112_aa\n\nChange in simulated depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model for 2042 relative to 2012 baseline conditions.\n\nImage d352_112_aa\n\nChange in simulated depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model for 2072 relative to 2012 baseline conditions.\n\nImage d472_112_aa\n\nChange in simulated depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model for 2102 relative to 2012 baseline conditions.\n\nImage delta232_aa\n\nChange in simulated depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model for 2042 under CRDP conditions relative to 2042 baseline conditions.\n\nImage delta352_aa\n\nChange in simulated depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model for 2072 under CRDP conditions relative to 2072 baseline conditions.\n\nImage delta472_aa\n\nChange in simulated depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model for 2102 under CRDP conditions relative to 2102 baseline conditions.\n\nImage dwtsp112_ts4a\n\nSimulated 2012 depth to watertable predicted using the USGS MODFLOW-2005 finite difference groundwater model.\n\n## **Dataset Citation** \n\nVictorian Department of Economic Development, Jobs, Transport and Resources (2016) Baseline Delta groundwater data for Gippsland scenarios. Bioregional Assessment Source Dataset. Viewed 05 October 2018, http://data.bioregionalassessments.gov.au/dataset/40593c17-2657-40a1-805e-6386de86ebda.
## 摘要 本数据集由生物区域评估计划（Bioregional Assessment Programme）基于数据集内及/或元数据中引用的多源数据编制而成。本数据集的编制流程详见本元数据声明中的“历史”字段。 本地理数据库（geodatabase）内的基线地下水数据由Craig Beverly在吉普斯兰区域地下水模型（Gippsland Regional Groundwater Model）中生成（Beverly等人，2015）。 数据集包含多个基于年份的情景下的地下水位埋深数据，以及基于美国地质调查局（USGS）MODFLOW-2005有限差分地下水模型，预测得到的某一年相对于基线年份的模拟地下水位埋深变化。这些情景的覆盖范围大于生物区域评估计划的范围，并在本计划中得到复用。 ## 目的 本次建模的目的是量化潜在陆上天然气项目的影响。情景设计考虑了在划定的潜在开发区域内，致密气、页岩气与煤层气开采的组合方案。……各预测情景的影响通过与预设基线条件对比进行估算。 需注意的是，尽管所开发的地下水模型无法在特定开发情景下，用于区域尺度的水量平衡或水位量化预测，但该模型适用于以基线条件为参照，对比不同情景下水量平衡或水位的体积变化。——摘自《吉普斯兰地下水模型技术报告》，Beverly等人（2015） ## 数据集历史 资源创建方式： 使用美国地质调查局（USGS）MODFLOW-2005模型生成模拟预测结果，并由Craig Beverly通过定制化软件提取数据。 内容概要 图像d232_112_aa：以2012年为基线条件，基于USGS MODFLOW-2005有限差分地下水模型预测得到的2042年模拟地下水位埋深变化。 图像d352_112_aa：以2012年为基线条件，基于USGS MODFLOW-2005有限差分地下水模型预测得到的2072年模拟地下水位埋深变化。 图像d472_112_aa：以2012年为基线条件，基于USGS MODFLOW-2005有限差分地下水模型预测得到的2102年模拟地下水位埋深变化。 图像delta232_aa：以2042年为基线条件，基于CRDP工况下USGS MODFLOW-2005有限差分地下水模型预测得到的2042年模拟地下水位埋深变化。 图像delta352_aa：以2072年为基线条件，基于CRDP工况下USGS MODFLOW-2005有限差分地下水模型预测得到的2072年模拟地下水位埋深变化。 图像delta472_aa：以2102年为基线条件，基于CRDP工况下USGS MODFLOW-2005有限差分地下水模型预测得到的2102年模拟地下水位埋深变化。 图像dwtsp112_ts4a：基于USGS MODFLOW-2005有限差分地下水模型预测得到的2012年模拟地下水位埋深。 ## 数据集引用 维多利亚州经济发展、就业、交通与资源部（2016）《吉普斯兰情景基线Delta地下水数据》，生物区域评估源数据集。2018年10月5日查阅，http://data.bioregionalassessments.gov.au/dataset/40593c17-2657-40a1-805e-6386de86ebda
