{
  "fields": [{"id":"_id","type":"int"},{"id":"時間軸コード","type":"numeric"},{"id":"時間軸（西暦）","type":"text"},{"id":"時間軸（和暦）","type":"text"},{"id":"二級河川_水系","type":"text"},{"id":"本流数（単位なし）","type":"numeric"},{"id":"支流川数（単位なし）","type":"numeric"},{"id":"延長_幹川（m）","type":"numeric"},{"id":"延長_支流川（m）","type":"numeric"}],
  "records": [
    [1,2025000000,"2025年","令和7年","坪井川",1,8,23186,36545],
    [2,2025000000,"2025年","令和7年","行末川",1,2,4901,6688],
    [3,2025000000,"2025年","令和7年","氷川",1,2,21660,11731],
    [4,2025000000,"2025年","令和7年","二見川",1,1,6533,3115],
    [5,2025000000,"2025年","令和7年","佐敷川",1,3,16820,11215],
    [6,2025000000,"2025年","令和7年","湯浦川",1,3,11900,6900],
    [7,2025000000,"2025年","令和7年","水俣川",1,4,17815,23465],
    [8,2025000000,"2025年","令和7年","下津浦川",1,1,2018,609],
    [9,2025000000,"2025年","令和7年","上津浦川",1,2,4273,2251],
    [10,2025000000,"2025年","令和7年","一町田川",1,4,11440,14924],
    [11,2025000000,"2025年","令和7年","小田浦川",1,2,1872,1016.5],
    [12,2025000000,"2025年","令和7年","大野川",1,2,7453,6601],
    [13,2025000000,"2025年","令和7年","菜切川",1,1,8990,89],
    [14,2025000000,"2025年","令和7年","砂川",1,3,11736,5213],
    [15,2025000000,"2025年","令和7年","八枚戸川",1,1,5425,1041],
    [16,2025000000,"2025年","令和7年","大鞘川",1,3,9811,5182],
    [17,2025000000,"2025年","令和7年","教良木川",1,2,8104,3305],
    [18,2025000000,"2025年","令和7年","浦川（天草市）",1,1,3927,2061],
    [19,2025000000,"2025年","令和7年","河内川",1,2,9961,1139],
    [20,2025000000,"2025年","令和7年","白洲川",1,1,2832,430],
    [21,2025000000,"2025年","令和7年","中洲川",1,1,1598,1672],
    [22,2025000000,"2025年","令和7年","関川",1,1,19017,2825],
    [23,2025000000,"2025年","令和7年","唐人川",1,1,3004,3231],
    [24,2025000000,"2025年","令和7年","大宮地川",1,1,7503,2888],
    [25,2025000000,"2025年","令和7年","津奈木川",1,1,2887.5,2216.5],
    [26,2025000000,"2025年","令和7年","浦川（荒尾市）",1,1,7478,2129],
    [27,2025000000,"2025年","令和7年","波多川",1,1,6828,2115],
    [28,2025000000,"2025年","令和7年","内野川",1,5,9646,6436],
    [29,2025000000,"2025年","令和7年","五丁川",1,2,4526,3047],
    [30,2025000000,"2025年","令和7年","大江川",1,2,2070,1503],
    [31,2025000000,"2025年","令和7年","路木川",1,2,4295,1090],
    [32,2025000000,"2025年","令和7年","高浜川",1,1,3467,3821]
]}