该数据为2015年咸海流域锡尔河-阿姆河范围内300米土地覆被栅格数据。该数据集是在欧洲航天局的气候变化倡议土地覆盖产品（2015年）的基础上，经过叠加咸海流域边界矢量数据进行掩膜处理、格式转换，保留了原数据产品土地利用二级类，投影坐标WGS-1984坐标系，数据以tiff格式存储，整体准确率达到80%。
", "ds_source": "欧洲航天局的气候变化倡议土地覆盖地图（2015年）：http://maps.elie.ucl.ac.be/CCI
", "ds_process_way": "在欧洲航天局的气候变化倡议土地覆盖产品（2015年）的基础上，经过叠加咸海流域边界矢量数据进行掩膜处理、格式转换，保留了原数据产品土地利用二级类。
", "ds_quality": "空间分辨率为300m×300m，投影坐标为GCS_WGS_1984。
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", "ds_source": "European Space Agency's Climate Change Initiative Land Cover Map (2015): maps.elie.ucl.ac.be/CCI
", "ds_process_way": "On the basis of the European Space Agency's Climate Change Initiative Land Cover Products (2015), the original data product land use secondary category is retained by superimposing vector data on the Aral Sea Basin boundary for mask processing and format conversion.
", "ds_quality": "The spatial resolution is 300m×300m, and the projection coordinates are GCS_WGS_1984.
", "ds_format": ".tiff format", "ds_projection": "WGS84", "ds_space_res": "300", "ds_time_res": "years" } }, "license_type": null, "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "土地覆被", "土地利用" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "咸海流域", "阿姆河", "锡尔河" ], "ds_time_tags": [ 2015 ], "ds_contributors": [ "陈朝亮", "钱静", "刘铁" ], "ds_meta_authors": [ "陈朝亮" ], "ds_managers": [ "刘铁" ], "category": "土地利用/土地覆被" }