GLO Duralie Open Cut Pits v01

## **Abstract** \n\nThe dataset was derived by the Bioregional Assessment Programme from the Groundwater Modelling Report for Duralie Coal Mine dataset. The source dataset is identified in the Lineage field in this metadata statement. The processes undertaken to produce this derived dataset are described in the History field in this metadata statement.\n\n\n\nThe dataset is a shapefile representing the approximate extents of the open cut pits (both existing and proposed) for the Duralie coal mine in the Gloucester sub-region. These were digitised from map image taken from Heritage Computing (2009) Environmental Assessment Duralie Extension Project Gloucester Coal - Appendix B Groundwater Assessment, Fig B-35, pp B-86\n\n\n\nhttp://www.gloucestercoal.com.au/documents/Enviro_EAD_DCM_2010_Appendix_B_Groundwater%20Assessment.pdf\n\n## **Dataset History** \n\nA map image from the report listed below was scanned. These were georectified to MGA 56 geotiffs using recognised features of known locations in the various map images as control points (eg road junctions, corners of administrative boundaries etc). \n\n\n\nSelected features representing the open cut pits (both existing and proposed) shown on the map were manually digitised off the computer screen using a georectified map as a backdrop. Features were saved as ESRI shapefiles in the MGA z56 projection. Pits were tagged as existing or proposed in the attribute table.\n\n\n\nHeritage Computing (2009) Environmental Assessment Duralie Extension Project Gloucester Coal - Appendix B Groundwater Assessment, Fig B-35, pp B-86\n\n\n\nhttp://www.gloucestercoal.com.au/documents/Enviro_EAD_DCM_2010_Appendix_B_Groundwater%20Assessment.pdf\n\n## **Dataset Citation** \n\nBioregional Assessment Programme (XXXX) GLO Duralie Open Cut Pits v01. Bioregional Assessment Derived Dataset. Viewed 18 July 2018, http://data.bioregionalassessments.gov.au/dataset/6f45e667-93a9-4d0e-97da-6ef9b82df87a.\n\n## **Dataset Ancestors** \n\n* **Derived From** [Groundwater Modelling Report for Duralie Coal Mine](https://data.gov.au/data/dataset/ebd54059-a8a0-4c21-bc98-d5ca9f5139fd)\n\n

**摘要**

本数据集由生物区域评估计划（Bioregional Assessment Programme）基于杜拉利煤矿地下水模拟报告数据集衍生而来。源数据集的相关信息可在本元数据声明的谱系（Lineage）字段中查询，该衍生数据集的生成流程则可在元数据声明的历史（History）字段中查看。

本数据集为形状文件（shapefile），用于展示格洛斯特子区域内杜拉利煤矿现有及拟建露天采场的大致范围。该采场范围基于Heritage Computing（2009）发布的《格洛斯特煤炭杜拉利扩建项目环境评估附录B 地下水评估》中的图B-35（第B-86页）的地图影像进行数字化采集得到。

http://www.gloucestercoal.com.au/documents/Enviro_EAD_DCM_2010_Appendix_B_Groundwater%20Assessment.pdf

**数据集历史**

首先对下述报告中的地图影像进行扫描，随后以各类地图影像中已知位置的可识别地物（如道路交叉口、行政边界拐点等）作为控制点，将扫描影像校正为MGA 56坐标系的地理栅格文件（geotiffs）。

以校正后的地图为底图，在计算机屏幕上手动数字化提取地图中代表现有及拟建露天采场的目标地物，并将提取结果以ESRI shapefile格式存储，投影坐标系采用MGA z56。属性表中已对采场标记为“现有”或“拟建”类别。

Heritage Computing（2009）《格洛斯特煤炭杜拉利扩建项目环境评估附录B 地下水评估》，图B-35，第B-86页

http://www.gloucestercoal.com.au/documents/Enviro_EAD_DCM_2010_Appendix_B_Groundwater%20Assessment.pdf

**数据集引用**

生物区域评估计划（XXXX）《GLO杜拉利露天采场 v01》，生物区域评估衍生数据集，查阅于2018年7月18日，http://data.bioregionalassessments.gov.au/dataset/6f45e667-93a9-4d0e-97da-6ef9b82df87a.

**数据集溯源**

* **衍生自** [杜拉利煤矿地下水模拟报告](https://data.gov.au/data/dataset/ebd54059-a8a0-4c21-bc98-d5ca9f5139fd)