{ "created": "2019-10-09 10:21:55", "updated": "2026-04-03 20:13:49", "id": "c136222e-582b-4c7f-8207-328bdd5dfe9f", "version": 3, "ds_topic": null, "title_cn": "黑河流域HWSD土壤质地数据集", "title_en": "The HWSD soil texture dataset of the Heihe river basin", "ds_abstract": "

数据来源于联合国粮农组织（FAO）和维也纳国际应用系统研究所(IIASA)所构建的世界土壤数据库(Harmonized World Soil Database,HWSD)， 该数据库于2009年3月26日发布了1.1版本。数据分辨率为1km。中国境内数据源1：100万土壤数据。采用的土壤分类系统主要为FAO-90。

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土壤属性表主要字段包括：

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SU_SYM90（FAO90土壤分类系统中土壤名称)

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SU_SYM85(FAO85分类)

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T_TEXTURE(顶层土壤质地)

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DRAINAGE(19.5)；

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ROOTS：String(到土壤底部存在障碍的深度分类)；

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SWR：String (土壤含水量特征)；

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ADD_PROP： Real (土壤单元中与农业用途有关的特定土壤类型)；

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T_GRAVEL：Real (碎石体积百分比)；T_SAND： Real (沙含量)；

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T_SILT： Real (淤泥含量)；

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T_CLAY：Real (粘土含量)；

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T_USDA_TEX： Real (USDA土壤质地分类)；

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T_REF_BULK： Real (土壤容重)；

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T_OC： Real (有机碳含量)；

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T_PH_H2O：Real (酸碱度)

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T_CEC_CLAY：Real (粘性层土壤的阳离子交换能力)；

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T_CEC_SOIL： Real (土壤的阳离子交换能力)

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T_BS：Real (基本饱和度)；

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T_TEB： Real (交换性盐基)；

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T_CACO3： Real (碳酸盐或石灰含量)

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T_CASO4： Real (硫酸盐含量)；

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T_ESP： Real (可交换钠盐)；

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T_ECE： Real (电导率)。

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其中以T_开头属性字段表示上层土壤属性（0-30cm），以S_开头属性字段表示下层土壤属性（30-100cm）(FAO 2009)。

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该数据可为地球系统建模者提供模型输入参数，农业角度可用来研究生态农业分区，粮食安全和气候变化等。

", "ds_source": "

数据来源于联合国粮农组织（FAO）和维也纳国际应用系统研究所(IIASA)所构建的世界土壤数据库(Harmonized World Soil Database,HWSD)

", "ds_process_way": "

土壤分类系统主要为FAO-90

", "ds_quality": "

数据质量良好

", "ds_acq_start_time": "2009-01-01 00:00:00", "ds_acq_end_time": "2009-12-31 00:00:00", "ds_acq_place": "黑河流域", "ds_acq_lon_east": 104.19972222222222, "ds_acq_lat_south": 37.7, "ds_acq_lon_west": 96.06666666666666, "ds_acq_lat_north": 43.266666666666666, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 2584914, "ds_files_count": 3, "ds_format": "栅格数据", "ds_space_res": "1000.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ", "ds_thumbnail": "c136222e-582b-4c7f-8207-328bdd5dfe9f.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "本数据是由黑河计划数据管理中心整理，数据来源于世界和谐土壤数据库(HWSD)，用户在使用数据时请致谢本数据中心,并在参考文献部分引用本元数据提供的引用格式。", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "黑河计划数据管理中心", "ds_serv_phone": "0931-4967287", "ds_serv_mail": "westdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2020-04-08 16:51:09", "last_updated": "2023-08-23 16:46:58", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.458", "license": null, "i18n": { "en": { "title": "The HWSD soil texture dataset of the Heihe river basin", "ds_format": "Raster", "ds_source": "

The data comes from the world soil database (hwsd) constructed by FAO and IIASA in Vienna

", "ds_quality": "

Good data quality

", "ds_ref_way": "", "ds_abstract": "

The data comes from the world soil database (hwsd) built by FAO and IIASA, which was released on March 26, 2009. The data resolution is 1km. 1:1 million soil data in China. The main soil classification system is fao-90.

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The main fields of soil attribute table include:

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Su Yu sym90 (soil name in FAO 90 soil classification system)

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Su Yu sym85 (fao85 classification)

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T_texture (top soil texture)

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DRAINAGE(19.5)；

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Roads: string (depth classification of obstacles to the bottom of soil)

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SWR: string (soil moisture content characteristics)

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Add_prop: real (specific soil type in soil unit related to agricultural use)

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T_gravel: real (volume percentage of crushed stone); t_sand: real (sand content)

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T_silt: real (silt content)

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T_clay: real (clay content)

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T? USDA? Tex: real (USDA soil texture classification)

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T ﹣ ref ﹣ bulk: real

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T_oc: real (organic carbon content)

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T? PH? H2O: real

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T ﹣ CEC ﹣ clay: real

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T ﹣ CEC ﹣ soil: real

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T_bs: real (basic saturation)

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T_teb: real (exchangeable base)

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T_caco3: real (carbonate or lime content)

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T_caso4: real (sulfate content)

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T_esp: real (exchangeable sodium salt)

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T_ece: real.

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The attribute field beginning with t_represents the upper soil attribute (0-30cm), and the attribute field beginning with s_represents the lower soil attribute (30-100cm) (FAO 2009).

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The data can provide input parameters for the earth system modelers, and the agricultural perspective can be used to study the ecological agriculture zoning, food security and climate change.

", "ds_time_res": "", "ds_acq_place": "Heihe River Basin", "ds_space_res": "1000.0m", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ", "ds_process_way": "

The soil classification system is mainly fao-90

", "ds_ref_instruction": "The data is compiled by the data management center of Heihe plan, and comes from the world harmonious soil database (hwsd). When using the data, please thank the data center, and quote the reference format provided by the metadata in the reference part." } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "碎石体积", "HWSD", "有机碳含量", "土壤含水量", "土壤质地", "土壤" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域" ], "ds_time_tags": [ 2009 ], "ds_contributors": [ { "true_name": "卢玲", "email": "luling@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "刘超", "email": "lc287@126.com", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "ds_meta_authors": [ { "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": "" } ], "ds_managers": [ { "true_name": "卢玲", "email": "luling@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": "基础地理" }