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. 2017 Aug 8;7:7598. doi: 10.1038/s41598-017-07881-7

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Environmental suitability of the Yanchang CO₂ Capture, Utilization and Storage project. Four categories of suitability for CO₂ storage include I and II, III and IV with increasing suitability. (A) Environmental suitability results of China; (B): Enlarged area in (A) of Yanchang site; (C): Remote sensing images of Yanchang site; (D): Scene photo of Yanchang site. The map in this figure were generated by software ArcGIS 9.2 (http://www.esri.com/arcgis/about-arcgis) based on our own data. The China spatial boundary GIS data is from the National Geomatics Center of China (affiliated with National Administration of Surveying, Mapping and Geoinformation of China), which provides the basic GIS data for China. The satellite map in Fig. 10C was obtained from a commercial source image bought under a contract from the Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences.