近景摄影测量已成为获取冰川DEM的有效方法之一，其采用非量测相机，通过立体像对方式，全/半自动生成大比例尺高空间分辨率的DEM数据。由于冰川区地势特殊、纹理特征明显，故在满足《GB/T 12979-2008》和《GB/T 7930-2008》基础上，部分数据采集与处理需要进一步加以优化。本手册主要从使用范围、测量仪器、数据采集、内业处理、成果展示、精度控制等方面进行介绍。制图时期至2010年前后
", "ds_source": "", "ds_process_way": "", "ds_quality": "近景摄影测量已成为获取冰川DEM的有效方法之一，其采用非量测相机，通过立体像对方式，全/半自动生成大比例尺高空间分辨率的DEM数据。由于冰川区地势特殊、纹理特征明显，故在满足《GB/T 12979-2008》和《GB/T 7930-2008》基础上，部分数据采集与处理需要进一步加以优化。本手册主要从使用范围、测量仪器、数据采集、内业处理、成果展示、精度控制等方面进行介绍。
", "ds_acq_start_time": "2010-01-01 00:00:00", "ds_acq_end_time": "2010-12-31 00:00:00", "ds_acq_place": "中国西部主要冰川作用中心", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 974704, "ds_files_count": 2, "ds_format": "PDF", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "6cc9e5e2-74b6-4be7-8032-f9494882b317.jpg", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": "中国西部主要冰川作用中心冰量变化调查", "organization_id": "75b2f6d5-c7ed-438c-b7be-98672c057ed5", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "lihongxing@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2020-12-18 14:48:33", "last_updated": "2023-05-16 17:34:57", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.89", "i18n": { "en": { "title": "Technical guidelines for close-range photogrammetry in glacier area", "ds_format": "", "ds_source": "", "ds_quality": "Close-range photogrammetry has become one of the effective methods to obtain glacier DEM. It uses non metric camera and stereo image pair to generate DEM data with large scale and high spatial resolution. Based on \"2008 / T\" and \"gb-7930\", some of the data need to be further optimized. This manual mainly introduces the scope of use, measuring instruments, data acquisition, field processing, achievement display, precision control, etc.
", "ds_ref_way": "", "ds_abstract": "Close- range photogrammetry has become one of the effective methods to obtain glacier DEM. It uses non metric camera and stereo image pair to generate DEM data with large scale and high spatial resolution. Based on \"2008 / T\" and \"gb-7930\", some of the data need to be further optimized. This manual introduces the scope of use, measuring instruments, data acquisition, field processing, achievement display, precision control, etc. Mapping period to around 2010
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