本数据集为2002-2004年河西走廊黑河流域额济纳旗土壤水分调查数据，土壤水分TDR数据、管式TDR数据、井式TDR数据、地下水GPS数据、土壤养分盐分数据、土壤机械组成，该数据以Excel格式存储，包括管式和井式两种2002年的土壤水分调查数据。
", "ds_source": "1.土壤水分TDR数据\n管式TDR数据：包括二道桥、戈壁、林场、七道桥和梭梭林的2002年6月1日、6月11日、6月21日、7月1日、7月11日、7月21日、7月31日、8月11日和8月21日的地下1.8米间隔为0.2米的管式土壤水分调查数据。\n井式TDR数据：包括怪柳、戈壁、胡杨和杂草的2002年6月21日、7月1日、7月11日、7月21日、7月31日、8月11日和8月21日的地下5米多间隔为0.2米的井式土壤水分调查数据。\n地下水GPS数据：为Excel格式，对TDR观测点进行GPS测定，包括经度、纬度和高程等基本信息，外加水位高程、测井类型和备注等信息。", "ds_process_way": "
为Excel格式，42个样点包含深度（cm）、各级颗粒含量百分数（筛析法）（>2mm、2—1mm、1—0.5mm、0.5—0.25mm和0.25—0.1mm）和〈0.1mm各级颗粒含量百分数（吸管法）（<0.1mm、0.1-0.05mm、0.05-0.02mm、0.02-0.002mm 和<0.002mm）等变量的土壤颗粒组成信息分析表。
\n\n", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2002-01-09 00:00:00", "ds_acq_end_time": "2004-12-08 00:00:00", "ds_acq_place": "河西走廊黑河流域额济纳旗", "ds_acq_lon_east": 98.91666666666667, "ds_acq_lat_south": 38.916666666666664, "ds_acq_lon_west": 101.5, "ds_acq_lat_north": 42.96666666666667, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 1791197, "ds_files_count": 2, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [], "quality_level": 3, "publish_time": "2021-01-12 19:58:44", "last_updated": "2023-11-02 11:27:20", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1520", "i18n": { "en": { "title": "2002-2004 general data of Ejina Banner investigation and analysis in Heihe River Basin of Hexi Corridor", "ds_format": "", "ds_source": "1. TDR data of soil moisture\nPipe TDR data: including the pipe soil moisture survey data of Erdaoqiao, Gobi, forest farm, qidaoqiao and Haloxylon ammodendron forest on June 1, June 11, June 21, July 1, July 11, July 21, July 31, August 11 and August 21, 2002.\nWell TDR data: including the well type soil moisture survey data of strange willow, Gobi, Populus euphratica and weeds on June 21, July 1, July 11, July 21, July 31, August 11 and August 21, 2002 with more than 5 meters underground and 0.2 meters interval.\nGPS data of groundwater: in Excel format, GPS measurement of TDR observation points, including basic information such as longitude, latitude and elevation, plus water level elevation, logging type and remarks.", "ds_quality": "
Good data quality
", "ds_ref_way": "", "ds_abstract": "The data set includes soil moisture TDR data, tube TDR data, well TDR data, groundwater GPS data, soil nutrient and salinity data, and soil mechanical composition. The data is stored in Excel format, including tube and well soil moisture survey data in 2002.
", "ds_time_res": "日", "ds_acq_place": "Ejina Banner in Heihe River Basin of Hexi Corridor", "ds_space_res": "", "ds_projection": "", "ds_process_way": "\n2. Soil nutrients and salinity data\nIn Excel format, 42 samples include \"peroxy N%\", \"total phosphorus P%\", \"organic matter%\", \"hydrolyzed nitrogen N mg / kg\", \"quick phosphorus P mg / kg\", and \"quick potassium mg / kg \",\" calcium carbonate% \",\" PH value \",\" total salt% \"and\" total potassium K% \"and other variables, and the nutrient investigation and analysis data includes 42 samples including\" conductance calculated total salt value (%) \" \", CO3, HCO3, CI, SO4, Ca, Mg, Na + K and other variables of salt survey and analysis data.\n3. Soil mechanical composition\nIn Excel format, 42 samples include depth (cm), percentage of particle content at various levels (sieve analysis method) (> 2mm, 2-1mm, 1-0.5mm, 0.5-0.25mm and 0.25-0.1mm) and <0.1 Soil particle composition information analysis table for variables such as the percentage of particle content at various levels (pipette method) (<0.1mm, 0.1-0.05mm, 0.05-0.02mm, 0.02-0.002mm, and <0.002mm).\n
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/by/4.0/", "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, "belong_to_nieer": false, "ds_topic_tags": [ "井式TDR数据", "地下水GPS数据", "土壤养分盐分数据", "土壤机械组成", "管式TDR数据", "土壤水分TDR数据" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "河西走廊", "额济纳旗", "黑河流域" ], "ds_time_tags": [ 2002, 2003, 2004 ], "ds_contributors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_managers": [ { "true_name": "敏玉芳", "email": "myf@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": "水文" }