数据包括近四百年西部地区五个主要特征气候分区（干旱区、高原主体、新疆北部、河套地区、高原东北）的10年分辨率的干湿指数序列和近五百年其中三个区域（高原东北、河套地区、新疆北部）的高分辨率（年分辨率）干湿指数序列。
", "ds_source": "中国西部地区长期干湿指数序列（1500-2000）是综合包括树木年轮、冰芯、湖泊沉积和史料文献等多种气候代用记录得到的。
", "ds_process_way": "在广泛收集的西部地区干湿变化代用资料集的基础上，明确了西部地区干湿变化的主要特征和气候分区，提取不同分区的代用资料信息综合出了西部地区长期干湿指数序列。该数据包括近四百年西部地区五个主要特征气候分区的10年分辨率的干湿指数序列和近五百年其中三个区域的高分辨率（年分辨率）干湿指数序列。
", "ds_quality": "数据质量优
", "ds_acq_start_time": "1999-02-17 00:00:00", "ds_acq_end_time": "2009-02-18 00:00:00", "ds_acq_place": "中国西部,黄河流域,长江流域", "ds_acq_lon_east": 95.3, "ds_acq_lat_south": 65.3, "ds_acq_lon_west": 101.3, "ds_acq_lat_north": 68.3, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 3726717, "ds_files_count": 2, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "c01e9193-2cf7-4b60-b29a-4e6490996981.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2021-01-05 17:16:47", "last_updated": "2025-04-29 15:07:46", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.684", "i18n": { "en": { "title": "Long term dry wet Index Series in Western China (1500-2000)", "ds_format": "Excel", "ds_source": "The long-term dry and wet index series (1500-2000) in Western China is obtained by synthesizing many climatic proxy records including tree rings, ice cores, lake sediments and historical documents.
", "ds_quality": "Excellent data quality
", "ds_ref_way": "", "ds_abstract": "The data include the 10-year resolution dry and wet index series of five main climatic regions (arid region, main plateau, Northern Xinjiang, Hetao region and northeast plateau) in Western China in recent 400 years and the high-resolution (annual resolution) dry and wet index series of three regions (northeast plateau, Hetao region and Northern Xinjiang) in recent 500 years.
", "ds_time_res": "日", "ds_acq_place": "Western China, Yellow River Basin and Yangtze River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Based on the widely collected proxy data set of dry and wet change in Western China, the main characteristics of dry and wet change in Western China and the Climatic Divisions are clarified. The proxy data information of different divisions are extracted, and the long-term dry and wet index series of Western China are synthesized. The data includes the 10-year resolution dry and wet index series of five main climatic zones in Western China in the past 400 years and the high-resolution (annual resolution) dry and wet index series of three regions in the past 500 years.
", "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": [ "干湿指数", "华南", "气候演变" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "长江流域", "黄河流域", "华南地区" ], "ds_time_tags": [ 1500, 2000 ], "ds_contributors": [ { "true_name": "钱维宏，林祥", "email": "", "work_for": "寒区旱区科学数据中心数据服务组", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "钱维宏，林祥", "email": "", "work_for": "寒区旱区科学数据中心数据服务组", "country": "中国" } ], "ds_managers": [ { "true_name": "钱维宏，林祥", "email": "", "work_for": "寒区旱区科学数据中心数据服务组", "country": "中国" } ], "category": "生态" }