本数据为2011年荒漠植物光合器官水平气体交换测定数据，内含一个说明文档和一个Excel表格数据，主要观测指标：Obs，观测次数； Photo，净光合速率，μmol CO₂•m–2•s–1；Cond，气孔导度，mol H₂O•m–2•s–1； Ci，胞间CO₂浓度，μmol CO₂•mol-1；>Trmmol，蒸腾速率，mmol H₂O•m–2•s–1； Vpdl，水蒸气压亏缺，kPa；Area，叶面积，c㎡； Tair，大气温度，℃；Tleaf，叶面温度，℃； CO₂R，参照室CO₂浓度，μmol CO₂•mol-1；CO₂S，样品室CO₂浓度，μmol CO₂•mol-1； H₂OR，参照室水分，mmol H₂O•mol-1；H₂OS，样品室水分，mmol H₂O•mol-1； PARo，光量子通量密度，μmol•m–2•s–1；RH-R，参照室空气相对湿度，%； RH-S，样品室空气相对湿度，%；PARi，光合作用有效辐射，μmol•m–2•s–1； Press，大气压，kPa；其它为测定时的仪器状态参数等。", "ds_source": "
利用美国拉哥公司制造的LI-6400便携式光合作用系统（Portable Photosynthesis System, LI-COR, USA）和LI-3100叶面积仪。
", "ds_process_way": "对荒漠植物光合生理特性进行了观测。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2012-07-01 00:00:00", "ds_acq_end_time": "2012-07-31 00:00:00", "ds_acq_place": "黑河流域中下游", "ds_acq_lon_east": 101.28305555555555, "ds_acq_lat_south": 38.70666666666667, "ds_acq_lon_west": 99.75277777777778, "ds_acq_lat_north": 38.714444444444446, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 121344, "ds_files_count": 3, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "分、日、次", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "e6c8b80b-08d3-422d-a494-c60eaa8870aa.png", "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": "2021-02-01 10:15:55", "last_updated": "2023-08-23 17:03:18", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1924", "i18n": { "en": { "title": "Measurement data of horizontal gas exchange in photosynthetic organs of desert plants in 2011", "ds_format": "", "ds_source": "Li-6400 portable photosynthesis system (li-cor, USA) and li-3100 leaf area analyzer were used.
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "This data is the measurement data of horizontal gas exchange of photosynthetic organs of desert plants in 2011, including an explanatory document and an excel table data. Main observation indexes: OBS, observation times; photo, net photosynthetic rate, μ mol Co Ψ· m – 2 · s – 1; cond, stomatal conductance, mol h Ψ o · m – 2 · s – 1; CI, intercellular CO Ψ concentration, μ mol CO 2 Vpdl, water vapor pressure deficit, kPa; area, C m2; TAIR, atmospheric temperature, ℃; tleaf, leaf surface temperature, ℃; CO к R, reference room Co к concentration, μ mol Co к· mol-1; CO к s, sample room Co к concentration, μ mol Co к· mol-1; H к or, reference room water, mmol The results showed that: H Ψ o · mol-1; H Ψ OS, sample room moisture, mmol h Ψ o · mol-1; Paro, photon flux density, μ mol · m – 2 · s – 1; rh-r, relative humidity of reference room air,%; rh-s, relative humidity of sample room air,%; pari, photosynthetically active radiation, μ mol · m – 2 · s – 1; press, atmospheric pressure, kPa; others were instrument state parameters during determination.
", "ds_time_res": "分、日、次", "ds_acq_place": "Middle and lower reaches of Heihe River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Li-6400 portable photosynthesis system (li-cor, USA) and li-3100 leaf area meter were used to observe the photosynthetic physiological characteristics of desert plants.
", "ds_ref_instruction": " " } }, "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": [ "光合速率", "蒸腾速率", "荒漠植物" ], "ds_subject_tags": [ "水文地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域", "中下游" ], "ds_time_tags": [ 2011 ], "ds_contributors": [ { "true_name": "苏培玺", "email": "supx@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": "苏培玺", "email": "supx@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": "苏培玺", "email": "supx@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "category": "生态" }