{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_70502",
  "sys_id" : "hvd_70502",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "弱水縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "弱水县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Ruoshui Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "546",
    "begin rule" : "2",
    "end" : "569",
    "end rule" : "2"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "38.44008",
    "longitude" : "101.49866",
    "source" : "FROM_FD",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今甘肃山丹县东南古城洼",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "546",
        "end year" : "569",
        "parent id" : "hvd_116162",
        "name" : "张掖郡",
        "transcribed" : "Zhangye Jun"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
    ]
  },
  "data source" : "CHGIS",
  "source note" : "弱水县（546—569年）

西魏546年，永宁县改名弱水县。在今甘肃省山丹县东南古城洼。① 
北周569年，弱水县省入山丹县。② 

注：
① 《汉书》卷28《地理志》下：“张掖郡，故匈奴昆邪王地，武帝太初元年开。莽曰设屏。户二万四千三百五十二，口八万八千七百三十一。县十：……日勒，都尉治泽索谷，莽曰勒治。”（北京：中华书局，1962年，第6册，第1613 页。）又，《嘉庆一统志》卷266《甘州府》：“日勒故城，在山丹县东南，汉置，属张掖郡。”（《续修四部丛刊》，上海：商务印书馆，1934年。）
② 欧阳忞：《舆地广记》卷17：“汉日勒县，属张掖郡。东汉因之，后分立西郡。魏、晋、元魏因之，该县曰永宁。西魏郡废，又改县曰弱水。后周省入山丹。”（成都：四川大学出版社，2003年，第491 页。）按，北周废县时间不详，姑取北周时段中点569年。",
  "source uri" : ""
}