树干液流是测定单株植物蒸腾量的有效工具，本项测定了在黑河下游胡杨树干液流数据，包含两个表2012年胡杨液流和2013年胡杨液流。
", "ds_source": "2012-2013年生长季，安装位置为树干胸径（1.3m）处正北方和侧根（地下50cm深度，距离树干30cm。
", "ds_process_way": "观测仪器为HRM（ICT，澳大利亚），频率为0.5小时.
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2012-01-01 00:00:00", "ds_acq_end_time": "2013-01-01 00:00:00", "ds_acq_place": "黑河流域下游", "ds_acq_lon_east": 104.33305555555555, "ds_acq_lat_south": 38.56666666666667, "ds_acq_lon_west": 104.31944444444444, "ds_acq_lat_north": 38.916666666666664, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 1381972, "ds_files_count": 2, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "分、日、次", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "65699d90-857e-4eb6-a138-419ec77cc76c.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "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": null, "quality_level": 3, "publish_time": "2021-01-11 09:05:10", "last_updated": "2023-08-23 17:01:58", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1649", "i18n": { "en": { "title": "Data set of stem sap flow of desert riparian forest in the lower reaches of Heihe River", "ds_format": "", "ds_source": "In the growth season of 2012-2013, the installation location is in the north and side roots (50cm underground, 30cm away from the trunk) at the DBH (1.3m).
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "Sap flow is an effective tool to measure the transpiration of individual plant. The sap flow data of Populus euphratica in the lower reaches of Heihe River were measured, including two tables: sap flow of Populus euphratica in 2012 and sap flow of Populus euphratica in 2013.
", "ds_time_res": "分、日、次", "ds_acq_place": "Lower reaches of Heihe River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "The observation instrument is HRM (ICT, Australia) with a frequency of 0.5 hours
", "ds_ref_instruction": " In order to respect intellectual property rights, protect the rights and interests of data authors, expand the services of data centers, and evaluate the application potential of data, data users are requested to clearly indicate the data source and data authors in the research results (including published papers, works, data products and unpublished research reports, data products, etc.) produced by using data. For data reprinted (secondary or multiple releases), the author must also indicate the source of the original data." } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC 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, "ds_topic_tags": [ "树枝干流", "液流通量", "液流速率" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "额济纳", "黑河下游", "黑河流域" ], "ds_time_tags": [ 2012, 2013 ], "ds_contributors": [ { "true_name": "司建华", "email": "jianhuas@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "ds_meta_authors": [ { "true_name": "司建华", "email": "jianhuas@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "ds_managers": [ { "true_name": "黑河计划数据管理中心", "email": "westdc@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "司建华", "email": "jianhuas@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "category": "水文" }