本数据集包含内蒙古自治区巴丹吉林沙漠湖区Landsat TM/ETM+ 543波段合成数据，数据均来源于美国国家航空航天（http://ladsweb.nascom.nasa.gov/data/search.html） 。Landsat TM/ETM+数据空间分辨率为30m，空间范围是：39°30'N~41°10'N，101°40'E~102°40'E。时间分别有：年际：秋：1990年9月、1996年8月、2000年9月、2006年9月、2010年8月夏：1991年6月、1995年6月、2000年6月、2005年7月、2010年6月。>年内：2002年3月、2002年7月、2002年9月、2002年12月。", "ds_source": "
TM影像数据。源自美国NASA发布的Landsat TM/ETM+ 543波段合成数据，在沙漠湖泊群分布地区进行了裁剪。
", "ds_process_way": "从1990年至2010年每5年的夏季和秋季各取1景，用于分析湖泊的长期变化。2002年各个季度有1景，用于分析湖泊的年内变化。
", "ds_quality": "数据类型为16bit整形，无效值像元填充值为-3000，有效的数据范围为-2000-10000， 缩放因子为0.0001。
", "ds_acq_start_time": "1990-09-01 00:00:00", "ds_acq_end_time": "2010-06-30 00:00:00", "ds_acq_place": "巴丹吉林沙漠", "ds_acq_lon_east": 98.2, "ds_acq_lat_south": 39.36666666666667, "ds_acq_lon_west": 103.17, "ds_acq_lat_north": 41.35, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 376803295, "ds_files_count": 2, "ds_format": "Geotiff", "ds_space_res": "30.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "0b8b56aa-92a4-4dc0-b612-ce22d4f6de5e.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2021-07-06 09:06:28", "last_updated": "2025-04-29 15:20:26", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2021.811", "i18n": { "en": { "title": "Landsat TM / ETM + dataset of Badain Jaran Desert (1990-2010)", "ds_format": "Geotiff", "ds_source": "TM image data. Based on the Landsat TM / ETM + 543 band synthetic data released by NASA, the distribution area of desert lakes was cropped.
", "ds_quality": "The data type is 16bit shaping, the invalid pixel filling value is - 3000, the effective data range is - 2000-10000, and the scaling factor is 0.0001.
", "ds_ref_way": "", "ds_abstract": "This dataset contains Landsat TM / ETM + 543 band synthetic data of Badain Jaran Desert Lake area in Inner Mongolia Autonomous Region, all of which are from the National Aeronautics and Astronautics administration of the United States（ http://ladsweb.nascom.nasa.gov/data/search.html ）。 The spatial resolution of Landsat TM / ETM + data is 30m, and the spatial range is 39 ° 30'n ~ 41 ° 10'n, 101 ° 40'e ~ 102 ° 40'e. They are: inter annual: Autumn: September 1990, August 1996, September 2000, September 2006, August 2010; summer: June 1991, June 1995, June 2000, July 2005, June 2010. >During the year: March 2002, July 2002, September 2002, December 2002.
", "ds_time_res": "", "ds_acq_place": "Badain Jaran Desert", "ds_space_res": "30.0m", "ds_projection": "", "ds_process_way": "From 1990 to 2010, one scene was taken every five years in summer and autumn to analyze the long-term changes of the lake. There was one scene in each quarter of 2002, which was used to analyze the annual change of the lake.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "Landsat 7", "Landsat TM/ETM+" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "巴丹吉林沙漠" ], "ds_time_tags": [ 1990, 1991, 1995, 1996, 2000, 2002, 2005, 2006, 2010 ], "ds_contributors": [ { "true_name": "胡晓农", "email": "wxsh@cugb.edu.cn", "work_for": "中国地质大学(北京)", "country": "中国" }, { "true_name": "金晓媚", "email": "jxm@cugb.edu.cn", "work_for": "中国地质大学(北京)水资源与环境学院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "胡晓农", "email": "wxsh@cugb.edu.cn", "work_for": "中国地质大学(北京)", "country": "中国" }, { "true_name": "金晓媚", "email": "jxm@cugb.edu.cn", "work_for": "中国地质大学(北京)水资源与环境学院", "country": "中国" } ], "ds_managers": [ { "true_name": "李红星", "email": "lihongxing@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "沙漠与荒漠化" }