该数据集包含了2014年1月1日至2014年12月31日的黑河中游径流加密观测中2号点的河流水位和流速观测数据。观测点位于甘肃省张掖市312国道黑河桥，河床为砂砾石，断面不稳定。观测点的经纬度是N38°59′51.71″，E100°24′38.76″，海拔1485米，河道宽度，70米、20米。水位观测采用SR50超声测距仪，采集频率30分钟。数据说明包括以下部分：
\n水位观测，观测频率30分钟，单位（cm）；数据涵盖时间段2014年1月1日至2014年12月31日；流量观测，单位（m3 ）；按照不同水位监测流量，获取水位流量曲线，依托水位过程观测获得径流量变化过程。2号点-312桥断面受到频繁人为扰动，水文断面面积不稳定导致水位流量曲线紊乱，测量期间未能获取稳定的流量水位曲线。缺值数据统一采用字符串-6999表示。
\n水文气象网或站点信息请参考Li et al. (2013)，观测数据处理请参考He et al.(2016)。。
", "ds_source": "", "ds_process_way": "", "ds_quality": "", "ds_acq_start_time": "2014-01-13 00:00:00", "ds_acq_end_time": "2015-01-12 00:00:00", "ds_acq_place": "中游人工绿洲试验区, 2号点312桥, 黑河流域", "ds_acq_lon_east": 100.42694444444444, "ds_acq_lat_south": 38.99583333333334, "ds_acq_lon_west": 100.4238888888889, "ds_acq_lat_north": 38.996944444444445, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 1057792, "ds_files_count": 0, "ds_format": "*.xlsx", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "fe974a34-31e8-436b-96b7-ef974317b02a.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": "", "organization_id": "7314e349-6d56-45d3-93c1-5068a74cdfde", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.55" ], "quality_level": 0, "publish_time": "2026-04-23 16:11:04", "last_updated": "2026-04-23 16:11:04", "protected": false, "protected_to": null, "lang": "zh", "cstr": "", "i18n": { "en": { "title": "Heihe Ecological Hydrological Remote Sensing Experiment: Hydrological and Meteorological Observation Network Dataset (Point 2-312 Bridge Runoff Observation Data -2014)", "ds_ref_way": "He Xiaobo, Liu Shaomin, Li Xin, Xu Ziwei Heihe Ecological Hydrological Remote Sensing Experiment: Hydrological and Meteorological Observation Network Dataset (Point 2-312 Bridge Runoff Observation Data -2014) Time Space Three Pole Environment Big Data Platform, 10.3972/ hiwater.227.2015.db[HE Xiaobo,LIU Shaomin,LI Xin,XU Ziwei.HiWATER: Dataset of hydrometeorological observation network (No.2 runoff observation system of 312 bridge on the Heihe River, 2014).A Big Earth Data Platform for Three Poles,10.3972/hiwater.227.2015.db]", "ds_abstract": "This dataset contains the water level and flow velocity observation data of point 2 in the encrypted observation of runoff in the middle reaches of the Heihe River from January 1, 2014 to December 31, 2014. The observation point is located at Heihe Bridge on National Highway 312 in Zhangye City, Gansu Province. The riverbed is composed of sand and gravel, and the cross-section is unstable. The latitude and longitude of the observation point are N38 ° 59 ′ 51.71 ″, E100 ° 24 ′ 38.76 ″, with an altitude of 1485 meters and river channel widths of 70 meters and 20 meters. The water level observation adopts SR50 ultrasonic rangefinder, with a collection frequency of 30 minutes. The data description includes the following parts:
" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0 (Creative Commons Attribution 4.0 International License)", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "ds_topic_tags": [ "地表水", "径流", "流量", "水文断面" ], "ds_subject_tags": [ "水文学" ], "ds_class_tags": [], "ds_locus_tags": [ "中游人工绿洲试验区", "2号点312桥", "黑河流域" ], "ds_time_tags": [ 2014 ], "ds_contributors": [ { "true_name": "何晓波", "email": "hxb@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "刘绍民", "email": "smliu@bnu.edu.cn", "work_for": "北京师范大学", "country": "中国" }, { "true_name": "李新", "email": "xinli@itpcas.ac.cn", "work_for": "中国科学院青藏高原研究所", "country": "中国" }, { "true_name": "徐自为", "email": "xuzw@bnu.edu.cn", "work_for": "北京师范大学地理学与遥感科学学院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "何晓波", "email": "hxb@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "刘绍民", "email": "smliu@bnu.edu.cn", "work_for": "北京师范大学", "country": "中国" }, { "true_name": "李新", "email": "xinli@itpcas.ac.cn", "work_for": "中国科学院青藏高原研究所", "country": "中国" }, { "true_name": "徐自为", "email": "xuzw@bnu.edu.cn", "work_for": "北京师范大学地理学与遥感科学学院", "country": "中国" } ], "ds_managers": [ { "true_name": "徐自为", "email": "xuzw@bnu.edu.cn", "work_for": "北京师范大学地理学与遥感科学学院", "country": "中国" } ], "category": "水文" }