{"id":4189,"date":"2026-10-05T10:42:09","date_gmt":"2026-10-05T01:42:09","guid":{"rendered":"https:\/\/y42u.net\/tec001\/2026\/10\/05\/lowest-central-divide-miwakare-field\/"},"modified":"2026-10-05T10:42:09","modified_gmt":"2026-10-05T01:42:09","slug":"lowest-central-divide-miwakare-field","status":"publish","type":"post","link":"https:\/\/y42u.net\/tec001\/2026\/10\/05\/lowest-central-divide-miwakare-field\/","title":{"rendered":"\u672c\u5dde\u3067\u3044\u3061\u3070\u3093\u4f4e\u3044\u5206\u6c34\u754c\u306f\u4f55\u30e1\u30fc\u30c8\u30eb\uff1f \u2014 \u6a19\u9ad8\u7d0495m\u306e\u300c\u6c34\u5206\u308c\u300d\u3068\u3001\u6a19\u9ad8\u30c7\u30fc\u30bf\u3067\u306f\u8aad\u307f\u5207\u308c\u306a\u3044\u7406\u7531"},"content":{"rendered":"<style>img.autopost-single-image{width:30%;max-width:100%;height:auto;display:block;}@media (max-width: 768px){img.autopost-single-image{width:50%;}}<\/style>\n<p><img decoding=\"async\" style=\"width:80%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/10\/gde-lowest-central-divide-miwakare-field.jpeg\" alt=\"\u672c\u5dde\u3067\u3044\u3061\u3070\u3093\u4f4e\u3044\u5206\u6c34\u754c\u306f\u4f55\u30e1\u30fc\u30c8\u30eb\uff1f \u2014 \u6a19\u9ad8\u7d0495m\u306e\u300c\u6c34\u5206\u308c\u300d\u3068\u3001\u6a19\u9ad8\u30c7\u30fc\u30bf\u3067\u306f\u8aad\u307f\u5207\u308c\u306a\u3044\u7406\u7531\"><\/p>\n<h1 id=\"95m\">\u672c\u5dde\u3067\u3044\u3061\u3070\u3093\u4f4e\u3044\u5206\u6c34\u754c\u306f\u4f55\u30e1\u30fc\u30c8\u30eb\uff1f \u2014 \u6a19\u9ad8\u7d0495m\u306e\u300c\u6c34\u5206\u308c\u300d\u3068\u3001\u6a19\u9ad8\u30c7\u30fc\u30bf\u3067\u306f\u8aad\u307f\u5207\u308c\u306a\u3044\u7406\u7531<\/h1>\n<p><strong>\u7d0495m\u3067\u3059\u3002<\/strong> \u5175\u5eab\u770c\u4e39\u6ce2\u5e02\u6c37\u4e0a\u753a\u77f3\u751f\uff08\u3044\u305d\u3046\uff09\u306e\u300c\u6c34\u5206\u308c\uff08\u307f\u308f\u304b\u308c\uff09\u300d\u304c\u3001\u672c\u5dde\u306e\u5185\u9678\u90e8\u3067\u3044\u3061\u3070\u3093\u6a19\u9ad8\u306e\u4f4e\u3044\u4e2d\u592e\u5206\u6c34\u754c\u3067\u3059\u3002\u3053\u3053\u306b\u964d\u3063\u305f\u96e8\u306f\u3001\u7247\u65b9\u306f\u52a0\u53e4\u5ddd\u3092\u305f\u3069\u3063\u3066\u702c\u6238\u5185\u6d77\u3078\u3001\u3082\u3046\u7247\u65b9\u306f\u7531\u826f\u5ddd\u3092\u305f\u3069\u3063\u3066\u65e5\u672c\u6d77\u3078\u6d41\u308c\u307e\u3059\u3002\u5c71\u306e\u7a1c\u7dda\u3067\u306f\u306a\u304f\u3001\u6c34\u7530\u3068\u96c6\u843d\u306e\u3042\u308b\u5e73\u5730\u306e\u307e\u3093\u4e2d\u3067\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n<h2 id=\"_1\">\u4e2d\u592e\u5206\u6c34\u754c\u306f\u3001\u3075\u3064\u3046\u300c\u9ad8\u3044\u58c1\u300d\u306e\u4e0a\u3092\u901a\u3063\u3066\u3044\u308b<\/h2>\n<p>\u65e5\u672c\u5217\u5cf6\u306e\u5927\u304d\u306a\u7279\u5fb4\u306e\u3072\u3068\u3064\u306f\u3001\u305d\u306e\u4e2d\u592e\u3092\u8cab\u304f\u3088\u3046\u306b1,000m\u301c3,000m\u7d1a\u306e\u5c71\u3005\u3092\u542b\u3080\u5c71\u5cb3\u5730\u5e2f\u304c\u5ef6\u3005\u30685,000km\u3082\u7d9a\u3044\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u5c71\u3005\u306e\u9802\u4e0a\u4ed8\u8fd1\u3092\u5883\u306b\u3001\u6c34\u306e\u6d41\u308c\u306f\u592a\u5e73\u6d0b\uff08\u702c\u6238\u5185\u6d77\uff09\u5074\u3068\u65e5\u672c\u6d77\u5074\u306b\u5927\u304d\u304f\u5206\u304b\u308c\u307e\u3059\u3002\u3053\u306e\u5883\u754c\u304c<strong>\u4e2d\u592e\u5206\u6c34\u754c<\/strong>\uff08\u4e2d\u592e\u5206\u6c34\u5dba\uff09\u3067\u3001\u5217\u5cf6\u30922\u3064\u306b\u9694\u3066\u308b\u300c\u9ad8\u3044\u58c1\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u3060\u3068\u8aac\u660e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3060\u304b\u3089\u4e2d\u592e\u5206\u6c34\u754c\u306e\u9ad8\u3055\u3092\u805e\u304b\u308c\u305f\u3089\u3001\u3075\u3064\u3046\u306f\u5343\u30e1\u30fc\u30c8\u30eb\u5358\u4f4d\u306e\u8a71\u306b\u306a\u308a\u307e\u3059\u300295m\u3068\u3044\u3046\u6570\u5b57\u306f\u3001\u305d\u306e\u4f8b\u5916\u3067\u3059\u3002<\/p>\n<h2 id=\"_2\">\u52a0\u53e4\u5ddd\u3068\u7531\u826f\u5ddd\u3092\u3001\u5357\u5317\u306e\u4f4e\u5730\u304c\u3064\u306a\u3044\u3067\u3044\u308b<\/h2>\n<p>\u6c34\u5206\u308c\u306e\u3042\u308b\u4e00\u5e2f\u306f<strong>\u6c37\u4e0a\u56de\u5eca<\/strong>\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u702c\u6238\u5185\u6d77\u5074\u3078\u6d41\u308c\u308b\u52a0\u53e4\u5ddd\u3068\u3001\u65e5\u672c\u6d77\u306b\u6ce8\u3050\u7531\u826f\u5ddd\u3092\u3001\u5357\u5317\u306b\u306e\u3073\u305f\u4f4e\u5730\u5e2f\u304c\u3064\u306a\u3044\u3067\u3044\u308b\u5730\u5f62\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>\u52a0\u53e4\u5ddd<\/th>\n<th>\u7531\u826f\u5ddd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6e90<\/td>\n<td>\u7c9f\u9e7f\u5c71\uff08\u6a19\u9ad8962m\uff09\uff0f\u671d\u6765\u5e02\u5c71\u6771\u753a\u3068\u4e39\u6ce2\u5e02\u9752\u57a3\u753a\u306e\u5883\u754c<\/td>\n<td>\u4e09\u56fd\u5cb3\uff0f\u4eac\u90fd\u30fb\u6ecb\u8cc0\u30fb\u798f\u4e95\u306e\u5e9c\u770c\u5883<\/td>\n<\/tr>\n<tr>\n<td>\u5e79\u5ddd\u6d41\u8def\u5ef6\u9577<\/td>\n<td>96km<\/td>\n<td>146km<\/td>\n<\/tr>\n<tr>\n<td>\u6d41\u57df\u9762\u7a4d<\/td>\n<td>1,730km\u00b2<\/td>\n<td>1,880km\u00b2<\/td>\n<\/tr>\n<tr>\n<td>\u6ce8\u3050\u5148<\/td>\n<td>\u702c\u6238\u5185\u6d77 \u64ad\u78e8\u7058\uff08\u52a0\u53e4\u5ddd\u5e02\u30fb\u9ad8\u7802\u5e02\uff09<\/td>\n<td>\u65e5\u672c\u6d77\uff08\u821e\u9db4\u5e02\u30fb\u5bae\u6d25\u5e02\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3069\u3061\u3089\u3082\u4e00\u7d1a\u6cb3\u5ddd\u3067\u3059\u3002\u702c\u6238\u5185\u6d77\u304b\u3089\u306e\u6696\u304b\u3044\u98a8\u3068\u65e5\u672c\u6d77\u304b\u3089\u306e\u6e7f\u3063\u305f\u98a8\u304c\u3053\u306e\u4f4e\u5730\u3092\u305f\u3069\u3063\u3066\u5439\u304d\u6e21\u308a\u3001\u4e39\u6ce2\u5e02\u3042\u305f\u308a\u3067\u51fa\u4f1a\u3046\u2014\u2014\u305d\u3046\u3044\u3046\u901a\u308a\u9053\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u3053\u306e\u4f4e\u5730\u5e2f\u304c\u300c\u56de\u5eca\u300d\u3068\u540d\u3065\u3051\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"_3\">\u7a1c\u7dda\u306e\u5206\u6c34\u754c\u306f\u7b49\u9ad8\u7dda\u3067\u8aad\u3081\u308b\u304c\u3001\u8c37\u306e\u5206\u6c34\u754c\u306f\u8aad\u3081\u306a\u3044<\/h2>\n<p>\u5c71\u306e\u5c3e\u6839\u3092\u901a\u308b\u5206\u6c34\u754c\u306a\u3089\u3001\u5730\u5f62\u56f3\u306e\u7b49\u9ad8\u7dda\u306e\u5f62\u304b\u3089\u7dda\u3092\u5f15\u3051\u307e\u3059\u3002\u7b49\u9ad8\u7dda\u304c\u5f35\u308a\u51fa\u3057\u3066\u3044\u308b\u5074\u304c\u5c3e\u6839\u3067\u3001\u5c3e\u6839\u3092\u3064\u306a\u3044\u3067\u3044\u3051\u3070\u5206\u6c34\u754c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u3001\u8c37\u5e95\u3084\u5e73\u5730\u306e\u307e\u3093\u4e2d\u3067\u5206\u304b\u308c\u308b\u5206\u6c34\u754c\uff08\u8c37\u4e2d\u5206\u6c34\u754c\uff09\u3067\u306f\u3001\u3053\u306e\u624b\u304c\u4f7f\u3048\u307e\u305b\u3093\u3002\u305d\u3082\u305d\u3082\u7b49\u9ad8\u7dda\u304c\u901a\u3063\u3066\u3044\u306a\u3044\u304b\u3001\u901a\u3063\u3066\u3044\u3066\u30821\u672c\u304b2\u672c\u3060\u304b\u3089\u3067\u3059\u3002\u3067\u306f\u6a19\u9ad8\u30c7\u30fc\u30bf\u306a\u3089\u3069\u3046\u304b\u2014\u2014\u3068\u3044\u3046\u3068\u3001\u3053\u3053\u3067<strong>\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\u3054\u3068\u306e\u7cbe\u5ea6<\/strong>\u304c\u52b9\u3044\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u56fd\u571f\u5730\u7406\u9662\u306e\u57fa\u76e4\u5730\u56f3\u60c5\u5831\uff08\u6570\u5024\u6a19\u9ad8\u30e2\u30c7\u30eb\uff09\u306f\u3001\u4f5c\u308a\u65b9\u306e\u9055\u30466\u7a2e\u985e\u304c\u540c\u3058\u300c\u6a19\u9ad8\u300d\u3068\u3057\u3066\u4e26\u3093\u3067\u3044\u307e\u3059\u3002\u9ad8\u3055\u306e\u7cbe\u5ea6\u306f\u3044\u305a\u308c\u3082RMS\u8aa4\u5dee\u3067\u898f\u5b9a\u3055\u308c\u305f\u5e73\u5747\u7684\u306a\u5024\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7a2e\u985e<\/th>\n<th>\u4f5c\u308a\u65b9<\/th>\n<th>\u9ad8\u3055\u306e\u7cbe\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DEM1A<\/td>\n<td>\u822a\u7a7a\u30ec\u30fc\u30b6\u6e2c\u91cf\u304b\u3089\u4f5c\u3063\u305f1m\u30e1\u30c3\u30b7\u30e5<\/td>\n<td>0.3m\u4ee5\u5185\uff08\u30e1\u30c3\u30b7\u30e5\u5185\u306b\u8a08\u6e2c\u70b9\u304c\u306a\u3044\u5834\u5408\u306f2.0m\u4ee5\u5185\uff09<\/td>\n<\/tr>\n<tr>\n<td>DEM5A<\/td>\n<td>\u822a\u7a7a\u30ec\u30fc\u30b6\u6e2c\u91cf\u304b\u3089\u4f5c\u3063\u305f5m\u30e1\u30c3\u30b7\u30e5<\/td>\n<td>\u540c\u4e0a<\/td>\n<\/tr>\n<tr>\n<td>DEM5B<\/td>\n<td>\u5730\u4e0a\u753b\u7d20\u5bf8\u6cd520cm\u306e\u30b9\u30c6\u30ec\u30aa\u6570\u5024\u5199\u771f\u304b\u3089\u4f5c\u3063\u305f5m\u30e1\u30c3\u30b7\u30e5<\/td>\n<td>0.7m\u4ee5\u5185<\/td>\n<\/tr>\n<tr>\n<td>DEM5C<\/td>\n<td>\u5730\u4e0a\u753b\u7d20\u5bf8\u6cd540cm\u306e\u30b9\u30c6\u30ec\u30aa\u6570\u5024\u5199\u771f\u304b\u3089\u4f5c\u3063\u305f5m\u30e1\u30c3\u30b7\u30e5<\/td>\n<td>1.4m\u4ee5\u5185<\/td>\n<\/tr>\n<tr>\n<td>DEM10A<\/td>\n<td>\u706b\u5c71\u57fa\u672c\u56f3\u306e\u7b49\u9ad8\u7dda\u304b\u3089\u4f5c\u3063\u305f10m\u30e1\u30c3\u30b7\u30e5<\/td>\n<td>2.5m\u4ee5\u5185<\/td>\n<\/tr>\n<tr>\n<td>DEM10B<\/td>\n<td>1\/25,000\u5730\u5f62\u56f3\u306e\u7b49\u9ad8\u7dda\u30fb\u6c34\u6daf\u7dda\u30fb\u6a19\u9ad8\u70b9\u7b49\u304b\u3089\u4f5c\u3063\u305f10m\u30e1\u30c3\u30b7\u30e5<\/td>\n<td>5.0m\u4ee5\u5185<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5168\u56fd\u3092\u3059\u304d\u307e\u306a\u304f\u8986\u3063\u3066\u3044\u308b\u306e\u306fDEM10B\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u5730\u5f62\u56f3\u306e\u7b49\u9ad8\u7dda\u304b\u3089\u4f5c\u3063\u305f\u3082\u306e\u3067\u3001\u9ad8\u3055\u306e\u7cbe\u5ea6\u306f5.0m\u4ee5\u5185\u3002\u3057\u304b\u3082\u4e00\u90e8\u306e\u96e2\u5cf6\u30fb\u706b\u5c71\u7b49\u3092\u9664\u304d\u3001<strong>2006\u5e74\u5ea6\u672b\u6642\u70b9\u306e\u5730\u56f3\u30c7\u30fc\u30bf<\/strong>\u3092\u57fa\u306b\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u300295m\u306e\u5e73\u5730\u3067\u3001\u3069\u3061\u3089\u3078\u6c34\u304c\u6d41\u308c\u308b\u304b\u3092\u6c7a\u3081\u308b\u3088\u3046\u306a\u6570\u5341cm\u306e\u50be\u304d\u306f\u3001\u3053\u306e5m\u306e\u4e2d\u306b\u5b8c\u5168\u306b\u57cb\u3082\u308c\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001DEM1A\u306a\u30890.3m\u4ee5\u5185\u3002\u30e1\u30c3\u30b7\u30e5\u9593\u9694\u306f\u7def\u5ea6\u7d4c\u5ea6\u30670.04\u79d2\u523b\u307f\u306a\u306e\u3067\u3001\u6771\u4eac\u4ed8\u8fd1\u3067\u306f\u6771\u897f\u7d041.0m\u30fb\u5357\u5317\u7d041.2m\u306b\u3042\u305f\u308a\u307e\u3059\u3002\u3053\u306e\u89e3\u50cf\u5ea6\u306a\u3089\u3001\u6c34\u7530\u306e\u7554\uff08\u3042\u305c\uff091\u679a\u3076\u3093\u306e\u8d77\u4f0f\u3082\u5f62\u3068\u3057\u3066\u51fa\u3066\u304d\u307e\u3059\u3002\u305f\u3060\u3057DEM1A\u306f\u5168\u56fd\u6574\u5099\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u77e5\u308a\u305f\u3044\u5834\u6240\u304c\u63d0\u4f9b\u7bc4\u56f2\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u5148\u306b\u78ba\u304b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"_4\">\u3082\u3063\u3068\u5384\u4ecb\u306a\u306e\u306f\u3001\u300c\u6c34\u9762\u306e\u6a19\u9ad8\u300d\u304c\u53c2\u8003\u5024\u3060\u3068\u3044\u3046\u3053\u3068<\/h2>\n<p>\u5206\u6c34\u754c\u306e\u8a71\u3067\u3044\u3061\u3070\u3093\u52b9\u3044\u3066\u304f\u308b\u306e\u306f\u3001\u5b9f\u306f\u3053\u3053\u3067\u3059\u3002\u6570\u5024\u6a19\u9ad8\u30e2\u30c7\u30eb\u306e\u6c34\u90e8\u306b\u306f\u3001\u69cb\u6210\u70b9\u7a2e\u5225\u304c4\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u6d77\u6c34\u9762<\/strong> \u2014 \u6d77\u9762\u3068\u5224\u5b9a\u3055\u308c\u305f\u5730\u70b9\u306f\u3001\u6a19\u9ad8\u5024\u3092\u4e00\u5f8b\u3067 <strong>-9999<\/strong> \u306b\u3057\u3066\u3044\u308b<\/li>\n<li><strong>\u5185\u6c34\u9762<\/strong> \u2014 \u822a\u7a7a\u30ec\u30fc\u30b6\u6e2c\u91cf\u3067\u306f\u6c34\u9762\u305d\u306e\u3082\u306e\u306f\u6e2c\u308c\u306a\u3044\u3002\u6ce2\u3084\u6d6e\u904a\u7269\u3067\u300c\u305d\u308c\u3089\u3057\u3044\u6c34\u9762\u306e\u9ad8\u3055\u300d\u304c\u5f97\u3089\u308c\u305f\u5834\u5408\u3084\u3001\u3054\u304f\u6d45\u304f\u3066\u6c34\u5e95\u304c\u6e2c\u308c\u305f\u5834\u5408\u306f\u305d\u308c\u3092\u63a1\u308a\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u5468\u56f2\u306e\u5cb8\u306e\u6a19\u9ad8\u3067\u88dc\u9593\u3057\u3066\u3044\u308b\u3002<strong>\u3044\u305a\u308c\u306e\u5834\u5408\u3082\u6a19\u9ad8\u306f\u53c2\u8003\u5024\u3067\u3001\u7cbe\u5ea6\u8a55\u4fa1\u306e\u5bfe\u8c61\u5916<\/strong><\/li>\n<li><strong>\u6d77\u6c34\u5e95\u9762\uff0f\u5185\u6c34\u5e95\u9762<\/strong> \u2014 \u6d45\u3044\u6c34\u5e95\u3092\u6e2c\u308c\u308b\u6a5f\u5668\uff08\u822a\u7a7a\u30ec\u30fc\u30b6\u6e2c\u6df1\uff09\u3092\u4f7f\u3063\u305f\u5834\u5408\u306e\u5206\u985e<\/li>\n<\/ul>\n<p>\u3064\u307e\u308a\u3001<strong>\u300c\u6c34\u304c\u5206\u304b\u308c\u308b\u300d\u305d\u306e\u6c34\u9762\u306e\u9ad8\u3055\u3060\u3051\u304c\u3001\u7cbe\u5ea6\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u306a\u3044\u5024<\/strong>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u304a\u904e\u53bb\u306e\u6570\u5024\u6a19\u9ad8\u30e2\u30c7\u30eb\u306f\u5185\u6c34\u9762\u3082-9999\u3067\u3057\u305f\u304c\u3001\u6271\u3044\u306b\u304f\u3044\u305f\u3081\u4ee4\u548c5\u5e74\u5ea6\u306b\u4ed5\u69d8\u304c\u5909\u308f\u308a\u3001\u65b0\u3057\u3044\u4ed5\u69d8\u306f\u3059\u3079\u3066\u306eDEM1A\u3068\u30012025\u5e743\u6708\u304a\u3088\u30732025\u5e7410\u6708\u4ee5\u964d\u306b\u516c\u958b\u3057\u305fDEM5A\u306b\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u53e4\u3044\u30c7\u30fc\u30bf\u3068\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3092\u6df7\u305c\u3066\u4f7f\u3046\u3068\u3001\u540c\u3058\u5ddd\u304c\u300c-9999\u300d\u3068\u300c\u53c2\u8003\u5024\u300d\u306e2\u901a\u308a\u3067\u5165\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u5206\u6c34\u754c\u306e\u9ad8\u3055\u306f\u3001\u6c34\u9762\u3067\u306f\u306a\u304f<strong>\u5730\u8868\u9762<\/strong>\u306e\u5074\u304b\u3089\u8aad\u3080\u3001\u3068\u3044\u3046\u306e\u304c\u3053\u3053\u304b\u3089\u51fa\u3066\u304f\u308b\u7d50\u8ad6\u3067\u3059\u3002\u6570\u5024\u6a19\u9ad8\u30e2\u30c7\u30eb\u306f\u3044\u305a\u308c\u3082\u5efa\u7269\u30fb\u6a4b\u30fb\u6a39\u6728\u3092\u53d6\u308a\u9664\u3044\u305f\u5730\u8868\u9762\u306e\u9ad8\u3055\u3092\u8868\u3059\u30c7\u30fc\u30bf\u306a\u306e\u3067\u3001\u305d\u306e\u5f79\u306b\u306f\u5408\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"_5\">\u9ad8\u3055\u306e\u57fa\u6e96\u306f\u6771\u4eac\u6e7e\u5e73\u5747\u6d77\u9762<\/h2>\n<p><img decoding=\"async\" style=\"width:80%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/09\/gde-fig-height-triangle.jpeg\" alt=\"\u5730\u8868\u30fb\u30b8\u30aa\u30a4\u30c9\u30fb\u6955\u5186\u4f53\u306e3\u5c64\u3068\u3001\u6955\u5186\u4f53\u9ad8\u30fb\u30b8\u30aa\u30a4\u30c9\u9ad8\u30fb\u6a19\u9ad8\u306e\u95a2\u4fc2\"><\/p>\n<p>\u57fa\u76e4\u5730\u56f3\u60c5\u5831\u306e\u6570\u5024\u6a19\u9ad8\u30e2\u30c7\u30eb\u306e\u6a19\u9ad8\u5024\u306f\u3001\u4e00\u90e8\u306e\u96e2\u5cf6\u3092\u9664\u304d<strong>T.P.\uff08\u6771\u4eac\u6e7e\u5e73\u5747\u6d77\u9762\uff09<\/strong>\u3092\u57fa\u6e96\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u72ec\u81ea\u306e\u57fa\u6e96\u3092\u8a2d\u3051\u3066\u3044\u308b\u96e2\u5cf6\u306f\u5225\u6271\u3044\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u304c\u73fe\u5834\u3068\u565b\u307f\u5408\u3046\u3068\u3053\u308d\u3067\u3001RTK-GNSS\u3067\u6e2c\u3063\u3066\u51fa\u3066\u304f\u308b\u9ad8\u3055\u306f\u6a19\u9ad8\u3067\u306f\u306a\u304f<strong>\u6955\u5186\u4f53\u9ad8<\/strong>\u3067\u3059\u3002\u30b8\u30aa\u30a4\u30c9\u9ad8\u3092\u5f15\u304b\u306a\u3044\u3068T.P.\u57fa\u6e96\u306e\u6a19\u9ad8\u306b\u306a\u308a\u307e\u305b\u3093\u300295m\u306e\u5206\u6c34\u754c\u3092RTK\u3067\u78ba\u304b\u3081\u306b\u884c\u304f\u306a\u3089\u3001\u307e\u305a\u305d\u306e\u5909\u63db\u3092\u8e0f\u3093\u3067\u304b\u3089\u3001\u6a19\u9ad8\u30c7\u30fc\u30bf\u306e95m\u3068\u6bd4\u3079\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"_6\">\u73fe\u5834\u3067\u78ba\u304b\u3081\u308b\u306a\u3089<\/h2>\n<ul>\n<li>\u5730\u7406\u9662\u5730\u56f3\u306e\u300c\u81ea\u5206\u3067\u4f5c\u308b\u8272\u5225\u6a19\u9ad8\u56f3\u300d\u3067\u300190m\u301c100m\u30921m\u523b\u307f\u306b\u3057\u3066\u5857\u308b\u3002\u6c37\u4e0a\u753a\u77f3\u751f\u306e\u3042\u305f\u308a\u3067\u3001\u8272\u306e\u5e2f\u304c\u3069\u3061\u3089\u5411\u304d\u306b\u629c\u3051\u3066\u3044\u304f\u304b\u304c\u898b\u3048\u308b<\/li>\n<li>DEM1A\u306e\u63d0\u4f9b\u7bc4\u56f2\u306f\u5730\u7406\u9662\u5730\u56f3\u306e\u30ec\u30a4\u30e4\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3002\u7bc4\u56f2\u5916\u306a\u3089DEM5A\uff0fDEM5B\uff0fDEM5C\u306e\u3069\u308c\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u3067\u3001\u671f\u5f85\u3067\u304d\u308b\u7cbe\u5ea6\u304c\u5909\u308f\u308b<\/li>\n<li>RTK\u3067\u6c34\u7530\u306e\u7554\u3092\u6570\u70b9\u6e2c\u308b\u306a\u3089\u3001\u6955\u5186\u4f53\u9ad8\u2192\u6a19\u9ad8\u306e\u5909\u63db\u3092\u5148\u306b\u6c7a\u3081\u3066\u304a\u304f\u30020.3m\u7cbe\u5ea6\u306eDEM\u3067\u3082\u30011\u679a\u306e\u7554\u3076\u3093\u306e\u6bb5\u5dee\u306f\u30c7\u30fc\u30bf\u306e\u4e2d\u3067\u306f\u5c0f\u3055\u3044\u5024\u306b\u306a\u308b<\/li>\n<\/ul>\n<h2 id=\"_7\">\u307e\u3068\u3081<\/h2>\n<ul>\n<li>\u672c\u5dde\u306e\u5185\u9678\u90e8\u3067\u3044\u3061\u3070\u3093\u4f4e\u3044\u4e2d\u592e\u5206\u6c34\u754c\u306f\u3001\u5175\u5eab\u770c\u4e39\u6ce2\u5e02\u6c37\u4e0a\u753a\u77f3\u751f\u306e\u300c\u6c34\u5206\u308c\u300d\u3067<strong>\u6a19\u9ad8\u7d0495m<\/strong><\/li>\n<li>\u52a0\u53e4\u5ddd\uff0896km\u30fb1,730km\u00b2\u30fb\u702c\u6238\u5185\u6d77\uff09\u3068\u7531\u826f\u5ddd\uff08146km\u30fb1,880km\u00b2\u30fb\u65e5\u672c\u6d77\uff09\u3092\u3001\u5357\u5317\u306e\u4f4e\u5730\u5e2f\uff1d\u6c37\u4e0a\u56de\u5eca\u304c\u3064\u306a\u3044\u3067\u3044\u308b<\/li>\n<li>\u8c37\u4e2d\u5206\u6c34\u754c\u306f\u7b49\u9ad8\u7dda\u3067\u306f\u8aad\u3081\u306a\u3044\u3002\u5168\u56fd\u3092\u8986\u3046DEM10B\u306f<strong>\u9ad8\u3055\u7cbe\u5ea65.0m\u4ee5\u5185\u30fb2006\u5e74\u5ea6\u672b\u6642\u70b9\u306e\u5730\u56f3\u30c7\u30fc\u30bf\u7531\u6765<\/strong>\u3067\u300195m\u306e\u5e73\u5730\u306e\u50be\u304d\u306f\u8aad\u307f\u53d6\u308c\u306a\u3044<\/li>\n<li>DEM1A\uff08\u822a\u7a7a\u30ec\u30fc\u30b6\u30fb0.3m\u4ee5\u5185\u30fb0.04\u79d2\u9593\u9694\uff09\u306a\u3089\u5f62\u304c\u51fa\u308b\u304c\u3001\u63d0\u4f9b\u7bc4\u56f2\u306e\u78ba\u8a8d\u304c\u5148<\/li>\n<li><strong>\u6c34\u9762\u306e\u6a19\u9ad8\u306f\u53c2\u8003\u5024\u3067\u7cbe\u5ea6\u8a55\u4fa1\u306e\u5bfe\u8c61\u5916<\/strong>\uff08\u6d77\u6c34\u9762\u306f\u4e00\u5f8b-9999\uff09\u3002\u5206\u6c34\u754c\u306e\u9ad8\u3055\u306f\u5730\u8868\u9762\u306e\u5074\u304b\u3089\u8aad\u3080<\/li>\n<li>\u6a19\u9ad8\u306e\u57fa\u6e96\u306f\u4e00\u90e8\u96e2\u5cf6\u3092\u9664\u304dT.P.\u3002RTK\u3067\u51fa\u308b\u9ad8\u3055\u306f\u6955\u5186\u4f53\u9ad8\u306a\u306e\u3067\u3001\u30b8\u30aa\u30a4\u30c9\u9ad8\u3092\u5f15\u3044\u3066\u304b\u3089\u6bd4\u3079\u308b<\/li>\n<\/ul>\n<h3 id=\"_8\">\u51fa\u5178<\/h3>\n<ul>\n<li>\u6c37\u4e0a\u56de\u5eca\uff08\u6c34\u5206\u308c\u30d5\u30a3\u30fc\u30eb\u30c9\u30df\u30e5\u30fc\u30b8\u30a2\u30e0\u516c\u5f0f\u30b5\u30a4\u30c8\uff09\u300c\u5730\u7406\u3068\u5730\u5f62\u300d\uff08\u4e2d\u592e\u5206\u6c34\u754c\u306e\u8aac\u660e\u30fb5,000km\u306e\u5c71\u5cb3\u5730\u5e2f\u30fb\u672c\u5dde\u306e\u5185\u9678\u90e8\u3067\u4e00\u756a\u6a19\u9ad8\u306e\u4f4e\u3044\u4e2d\u592e\u5206\u6c34\u754c\u30fb\u6a19\u9ad8\u308f\u305a\u304b95m\u30fb\u5175\u5eab\u770c\u4e39\u6ce2\u5e02\u6c37\u4e0a\u753a\u77f3\u751f\u30fb\u52a0\u53e4\u5ddd\u3068\u7531\u826f\u5ddd\u3092\u3064\u306a\u3050\u4f4e\u5730\u5e2f\u30fb\u6c37\u4e0a\u56de\u5eca\u306e\u540d\u306e\u7531\u6765\uff09 https:\/\/www.tamba-hikamikairo.com\/about\/geography_and_terrain\/<\/li>\n<li>\u56fd\u571f\u4ea4\u901a\u7701\u8fd1\u757f\u5730\u65b9\u6574\u5099\u5c40\u300c\u52a0\u53e4\u5ddd\u6c34\u7cfb\u52a0\u53e4\u5ddd\u300d\uff08\u7c9f\u9e7f\u5c71 \u6a19\u9ad8962m\u30fb\u5e79\u5ddd\u6d41\u8def\u5ef6\u957796km\u30fb\u6d41\u57df\u9762\u7a4d1,730km\u00b2\u30fb\u64ad\u78e8\u7058\uff09 https:\/\/www.kkr.mlit.go.jp\/river\/kasen\/kakogawa.html<\/li>\n<li>\u56fd\u571f\u4ea4\u901a\u7701\u8fd1\u757f\u5730\u65b9\u6574\u5099\u5c40\u300c\u7531\u826f\u5ddd\u6c34\u7cfb\u7531\u826f\u5ddd\u300d\uff08\u4e09\u56fd\u5cb3\u30fb\u5e79\u5ddd\u6d41\u8def\u5ef6\u9577146km\u30fb\u6d41\u57df\u9762\u7a4d1,880km\u00b2\u30fb\u821e\u9db4\u5e02\u53ca\u3073\u5bae\u6d25\u5e02\u3067\u65e5\u672c\u6d77\uff09 https:\/\/www.kkr.mlit.go.jp\/river\/kasen\/yuragawa.html<\/li>\n<li>\u56fd\u571f\u5730\u7406\u9662\u300c\u57fa\u76e4\u5730\u56f3\u60c5\u5831\u30b5\u30a4\u30c8 FAQ\u300dQ.4-1\uff08DEM1A\u301cDEM10B\u306e\u4f5c\u6210\u65b9\u6cd5\u30fb\u5efa\u7269\u3084\u6a4b\u3084\u6a39\u6728\u3092\u53d6\u308a\u9664\u3044\u305f\u5730\u8868\u9762\uff09\u3001Q.4-2\uff08\u30e1\u30c3\u30b7\u30e5\u9593\u96940.04\u79d2\uff0f0.2\u79d2\uff0f0.4\u79d2\u3068\u5b9f\u8ddd\u96e2\uff09\u3001Q.4-8\uff08\u5404\u7a2e\u5225\u306e\u9ad8\u3055\u7cbe\u5ea6\uff09\u3001Q.4-12\uff08\u9ad8\u3055\u306e\u57fa\u6e96\u306fT.P.\uff09\u3001Q.4-13\uff08DEM10B\u306f\u4e00\u90e8\u306e\u96e2\u5cf6\u30fb\u706b\u5c71\u7b49\u3092\u9664\u304d2006\u5e74\u5ea6\u672b\u6642\u70b9\uff09\u3001Q.4-17\uff08\u6c34\u90e8\u306e\u69cb\u6210\u70b9\u7a2e\u52254\u7a2e\u30fb\u6d77\u6c34\u9762-9999\u30fb\u5185\u6c34\u9762\u306f\u53c2\u8003\u5024\u3067\u7cbe\u5ea6\u8a55\u4fa1\u306e\u5bfe\u8c61\u5916\u30fb\u4ee4\u548c5\u5e74\u5ea6\u306e\u4ed5\u69d8\u5909\u66f4\uff09 https:\/\/www.gsi.go.jp\/kiban\/faq.html<\/li>\n<\/ul>\n<blockquote><p>\n\u672c\u8a18\u4e8b\u306e\u6570\u5024\u3068\u4ed5\u69d8\u306f2026\u5e7410\u6708\u6642\u70b9\u306e\u5404\u516c\u958b\u8cc7\u6599\u306e\u8a18\u8f09\u306b\u57fa\u3065\u304d\u307e\u3059\u3002\u6c34\u5206\u308c\u306e\u6a19\u9ad8\u306f\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u6982\u6570\uff08\u7d0495m\uff09\u3067\u3059\u3002\n<\/p><\/blockquote>\n<hr \/>\n<h2 id=\"_9\">\u6b21\u306b\u78ba\u8a8d\u3059\u308b<\/h2>\n<ul>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/29\/rtk-ellipsoidal-orthometric-height-field\/\">RTK\u3067\u6e2c\u3063\u305f\u9ad8\u3055\u306f\u300c\u6a19\u9ad8\u300d\u3067\u306f\u306a\u3044<\/a> \u2014 \u73fe\u5834\u3067\u51fa\u305f\u6955\u5186\u4f53\u9ad8\u3092T.P.\u57fa\u6e96\u306e\u6a19\u9ad8\u306b\u76f4\u3059\u624b\u9806\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/10\/01\/gsi-point-cloud-data-accuracy-field\/\">\u56fd\u571f\u5730\u7406\u9662\u306e\u70b9\u7fa4\u30c7\u30fc\u30bf\u306f\u73fe\u5834\u3067\u4f7f\u3048\u308b\uff1f<\/a> \u2014 \u822a\u7a7a\u30ec\u30fc\u30b6\u6e2c\u91cf\u306e\u70b9\u5bc6\u5ea6\u3068\u9ad8\u3055\u7cbe\u5ea6\u304c\u3001\u4ed5\u69d8\u3068\u3057\u3066\u3069\u3046\u66f8\u304b\u308c\u3066\u3044\u308b\u304b\u304c\u5206\u304b\u308a\u307e\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/15\/farthest-point-from-sea-japan-saku-field\/\">\u65e5\u672c\u3067\u3044\u3061\u3070\u3093\u6d77\u304b\u3089\u9060\u3044\u5834\u6240\u306f\u3069\u3053\uff1f<\/a> \u2014 \u5730\u56f3\u306e\u4e0a\u3067\u300c\u3044\u3061\u3070\u3093\u300d\u3092\u6c7a\u3081\u308b\u3068\u304d\u306b\u3001\u3069\u3053\u307e\u3067\u6e2c\u308a\u65b9\u3092\u6c7a\u3081\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u304b\u304c\u5206\u304b\u308a\u307e\u3059<\/li>\n<li><a href=\"https:\/\/gmp.y42u.net\/2026\/06\/21\/ellipsoid-orthometric-geoid-heights\/\">\u6955\u5186\u4f53\u9ad8\u30fb\u6a19\u9ad8\u30fb\u30b8\u30aa\u30a4\u30c9\u9ad8\u306e\u4e09\u89d2\u95a2\u4fc2\uff08GeoPrism JP\uff09<\/a> \u2014 3\u3064\u306e\u9ad8\u3055\u306e\u95a2\u4fc2\u3092\u65ad\u9762\u56f3\u3067\u78ba\u304b\u3081\u3089\u308c\u307e\u3059<\/li>\n<li>\u66f8\u7c4d\u3067\u307e\u3068\u3081\u3066\u5b66\u3076: <a href=\"https:\/\/www.amazon.co.jp\/dp\/B0HF4SJC1L\">\u300e\u65e5\u672c\u306e\u6e2c\u5730\u7cfbQ&amp;A\u300f\u7b2c8\u7ae0\u300c\u6a19\u9ad8\u30fb\u30b8\u30aa\u30a4\u30c9\u30fb\u6d77\u9762\u300d<\/a>\uff08Kindle Unlimited\u5bfe\u5fdc\uff09<\/li>\n<\/ul>\n<hr \/>\n<blockquote><p>\n<strong>\u958b\u767a\u8005\u3088\u308a<\/strong>: \u30a2\u30d7\u30ea\u30fbKindle\u672c\u30fb\u516c\u958b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u89a7\u306f <a href=\"https:\/\/github.com\/amru195704\">GitHub: amru195704<\/a> \u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002\n<\/p><\/blockquote>\n<hr \/>\n<blockquote><p>\n<strong>\u304a\u9858\u3044<\/strong><br \/>\n\u672c\u8a18\u4e8b\u306e\u60c5\u5831\u306f\u53c2\u8003\u76ee\u7684\u3067\u63b2\u8f09\u3057\u3066\u304a\u308a\u3001\u6b63\u78ba\u6027\u30fb\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8aa4\u8a18\u30fb\u4e0d\u6b63\u78ba\u306a\u60c5\u5831\u304c\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u3001\u30b3\u30e1\u30f3\u30c8\u6b04\u3088\u308a\u3054\u6307\u6458\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u78ba\u8a8d\u306e\u3046\u3048\u4fee\u6b63\u3044\u305f\u3057\u307e\u3059\u3002\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u5dde\u3067\u3044\u3061\u3070\u3093\u4f4e\u3044\u5206\u6c34\u754c\u306f\u4f55\u30e1\u30fc\u30c8\u30eb\uff1f \u2014 \u6a19\u9ad8\u7d0495m\u306e\u300c\u6c34\u5206\u308c\u300d\u3068\u3001\u6a19\u9ad8\u30c7\u30fc\u30bf\u3067\u306f\u8aad\u307f\u5207\u308c\u306a\u3044\u7406\u7531 \u7d0495m\u3067\u3059\u3002 \u5175\u5eab\u770c\u4e39\u6ce2\u5e02\u6c37\u4e0a\u753a\u77f3\u751f\uff08\u3044\u305d\u3046\uff09\u306e\u300c\u6c34\u5206\u308c\uff08\u307f\u308f\u304b\u308c\uff09\u300d\u304c\u3001\u672c\u5dde\u306e\u5185\u9678\u90e8\u3067\u3044\u3061\u3070\u3093\u6a19\u9ad8\u306e\u4f4e\u3044\u4e2d\u592e\u5206\u6c34 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4188,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[47,653,652,656,33,658,448,237,654,655,657,624],"class_list":["post-4189","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-rtk-gnss","tag-653","tag-652","tag-656","tag-33","tag-658","tag-448","tag-237","tag-654","tag-655","tag-657","tag-624"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_publicize_connections":[],"jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/10\/gde-lowest-central-divide-miwakare-field.jpeg","_links":{"self":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts\/4189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/comments?post=4189"}],"version-history":[{"count":0,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts\/4189\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/media\/4188"}],"wp:attachment":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/media?parent=4189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/categories?post=4189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/tags?post=4189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}