{"id":12,"date":"2025-11-18T18:10:18","date_gmt":"2025-11-18T09:10:18","guid":{"rendered":"http:\/\/10.0.1.14\/geoblog\/?page_id=12"},"modified":"2026-01-30T17:14:29","modified_gmt":"2026-01-30T08:14:29","slug":"research","status":"publish","type":"page","link":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/research\/","title":{"rendered":"\u5927\u6c17\u79d1\u5b66\u7814\u7a76"},"content":{"rendered":"\n<p><strong>\u4e3b\u306a\u7814\u7a76\u5206\u91ce<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">\u5730\u7403\u6e29\u6696\u5316\u306e\u539f\u56e0\u3068\u306a\u308b\u6e29\u5ba4\u52b9\u679c\u6c17\u4f53\u306e\u5730\u7403\u898f\u6a21\u306e\u5faa\u74b0<\/li>\n\n\n\n<li class=\"has-medium-font-size\">\u6210\u5c64\u570f\u5927\u6c17\u306e\u5316\u5b66\u904e\u7a0b\u30fb\u5927\u6c17\u306e\u5e74\u9f62\u30fb\u5206\u5b50\u62e1\u6563\u5206\u96e2<\/li>\n\n\n\n<li class=\"has-medium-font-size\">\u5357\u6975\u30fb\u5317\u6975\u306e\u30d5\u30a3\u30eb\u30f3\u7a7a\u6c17\u3092\u7528\u3044\u305f\u904e\u53bb\u306e\u5927\u6c17\u6210\u5206\u306e\u5fa9\u5143<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6700\u8fd1\u306e\u7814\u7a76\u306e\u7d39\u4ecb<\/strong><\/p>\n\n\n\n<p><strong>\u6210\u5c64\u570f\u306b\u304a\u3051\u308b\u5e0c\u30ac\u30b9\u306e\u52d5\u529b\u5b66\u7684\u5206\u5225\u3092\u767a\u898b<\/strong><\/p>\n\n\n\n<p>Sugawara, S., Oyabu, I., Kawamura, K., Ishidoya, S., Morimoto, S., Aoki, S., Nakazawa, T., Toyoda, S., and Honda, H.: Kinetic fractionation of noble gases in the stratosphere over Japan, Atmos. Chem. Phys., 26, 1537\u20131563, https:\/\/doi.org\/10.5194\/acp-26-1537-2026, 2026.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"923\" height=\"1024\" src=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/Graph1-923x1024.png\" alt=\"\" class=\"wp-image-38\" style=\"aspect-ratio:0.9013814389739594;width:417px;height:auto\" srcset=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/Graph1-923x1024.png 923w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/Graph1-271x300.png 271w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/Graph1-768x852.png 768w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/Graph1.png 1129w\" sizes=\"auto, (max-width: 923px) 100vw, 923px\" \/><figcaption class=\"wp-element-caption\">\u65e5\u672c\u4e0a\u7a7a\u6210\u5c64\u570f\u306b\u304a\u3044\u3066\u89b3\u6e2c\u3055\u308c\u305f\u30af\u30ea\u30d7\u30c8\u30f3\u540c\u4f4d\u4f53\u6bd4\u306e\u925b\u76f4\u5206\u5e03\u3068\u6570\u5024\u30e2\u30c7\u30eb\u306b\u3088\u308b\u305d\u306e\u518d\u73fe\uff08Sugawara et al., 2026, Fig.2\u3088\u308a\u629c\u7c8b\uff09<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"958\" src=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/acp-26-1537-2026-f06-web-1024x958.png\" alt=\"\" class=\"wp-image-35\" style=\"aspect-ratio:1.0689035350509286;width:590px;height:auto\" srcset=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/acp-26-1537-2026-f06-web-1024x958.png 1024w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/acp-26-1537-2026-f06-web-300x281.png 300w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/acp-26-1537-2026-f06-web-768x718.png 768w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2026\/01\/acp-26-1537-2026-f06-web.png 1110w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u6210\u5c64\u570f\u5927\u6c17\u3068\u30d5\u30a3\u30eb\u30f3\u7a7a\u6c17\u306e\u4e2d\u3067\u8d77\u3053\u308b\u91cd\u529b\u5206\u96e2\u3068\u52d5\u529b\u5b66\u7684\u5206\u5225\u3092\u6a21\u5f0f\u7684\u306b\u8868\u3057\u305f\u56f3\u3002\u6210\u5c64\u570f\u3068\u30d5\u30a3\u30eb\u30f3\u3067\u306f\u7e26\u8ef8\u3068\u6a2a\u8ef8\u304c\u7570\u306a\u308b\u3002\uff08Sugawara et al., 2026\u304b\u3089\u629c\u7c8b\uff09<\/figcaption><\/figure>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u3001\u5927\u6c17\u4e2d\u306e\u5e0c\u30ac\u30b9\u306e\u5b58\u5728\u3059\u308b\u5272\u5408\u306f\u5bfe\u6d41\u570f\u3084\u6210\u5c64\u570f\u3067\u306f\u4e00\u5b9a\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u304d\u305f\u3002\u904e\u53bb\u306b\u884c\u308f\u308c\u305f\u9ad8\u5c64\u5927\u6c17\u306e\u6c17\u7403\u3084\u30ed\u30b1\u30c3\u30c8\u306b\u3088\u308b\u89b3\u6e2c\u3067\u3082\u3001\u5e0c\u30ac\u30b9\u306e\u6709\u610f\u306a\u5206\u5225\u306f\u691c\u51fa\u3055\u308c\u3066\u3044\u306a\u3044\u3002\u8fd1\u5e74\u3001\u5927\u6c17\u4e3b\u6210\u5206\uff08N<sub>2<\/sub>\u3001O<sub>2<\/sub>\u3001Ar\uff09\u306e\u540c\u4f4d\u4f53\u6bd4\u3084\u6210\u5206\u6bd4\u304c\u5927\u6c17\u4e2d\u306e\u5206\u5b50\u62e1\u6563\u306b\u3088\u3063\u3066\u91cd\u529b\u5206\u96e2\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u3068\u306a\u3063\u305f\u3002\u672c\u7814\u7a76\u3067\u306f\u3001\u6210\u5c64\u570f\u5927\u6c17\u30b5\u30f3\u30d7\u30eb\u306e\u9ad8\u7cbe\u5ea6\u5206\u6790\u306b\u3088\u3063\u3066\u3001\u4e16\u754c\u3067\u521d\u3081\u3066Ne\u3001Kr\u3001Xe\u306e\u540c\u4f4d\u4f53\u6bd4\u3084\u6210\u5206\u6bd4\u304c\u3001\u4e3b\u6210\u5206\u3068\u540c\u69d8\u306b\u91cd\u529b\u5206\u96e2\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u3053\u3068\u3001\u3055\u3089\u306b\u3001Kr\u3084Xe\u306a\u3069\u306e\u91cd\u3044\u5e0c\u30ac\u30b9\u3067\u306f\u52d5\u529b\u5b66\u7684\u5206\u5225\uff08Kinetic Fractionation\uff09\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u305f\u3002\u52d5\u529b\u5b66\u7684\u5206\u5225\u306f\u5206\u5b50\u62e1\u6563\u306b\u304a\u3051\u308b\u975e\u5e73\u8861\u5206\u5225\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u5206\u5b50\u7a2e\u306b\u3088\u3063\u3066\u5206\u5b50\u62e1\u6563\u4fc2\u6570\u304c\u5927\u304d\u304f\u7570\u306a\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u8d77\u3053\u308b\u3002\u7279\u306bKr\u3084Xe\u306a\u3069\u306e\u91cd\u3044\u5e0c\u30ac\u30b9\u306e\u5206\u5b50\u62e1\u6563\u4fc2\u6570\u306f\u3001N<sub>2<\/sub>\u3084O<sub>2<\/sub>\u306a\u3069\u3068\u6bd4\u3079\u3066\u975e\u5e38\u306b\u5c0f\u3055\u3044\u3002\u3053\u308c\u307e\u3067\u3001\u6975\u57df\u306e\u30d5\u30a3\u30eb\u30f3\u7a7a\u6c17\u306e\u4e2d\u3067\u306f\u3001\u91cd\u3044\u5e0c\u30ac\u30b9\u306e\u540c\u4f4d\u4f53\u6bd4\u3084\u6210\u5206\u6bd4\u304c\u52d5\u529b\u5b66\u7684\u5206\u5225\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u305f\u3002\u3057\u304b\u3057\u3001\u30d5\u30a3\u30eb\u30f3\u7a7a\u6c17\u306b\u304a\u3051\u308b\u52d5\u529b\u5b66\u7684\u5206\u5225\u306e\u5927\u304d\u3055\u306f\u3001\u91cd\u529b\u5206\u96e2\u306e\u5927\u304d\u3055\u306e\u304a\u3088\u305d\uff15\uff05\u3068\u3054\u304f\u308f\u305a\u304b\u3067\u3042\u308b\u3002\u672c\u7814\u7a76\u3067\u767a\u898b\u3055\u308c\u305f\u6210\u5c64\u570f\u306b\u304a\u3051\u308bKr\u3084Xe\u306a\u3069\u306e\u91cd\u3044\u5e0c\u30ac\u30b9\u306e\u52d5\u529b\u5b66\u7684\u5206\u5225\u306f\u3001\u91cd\u529b\u5206\u96e2\u306e\uff15\uff10\u301c\uff17\uff10\uff05\u306b\u76f8\u5f53\u3057\u3001\u91cd\u529b\u5206\u96e2\u304c\u4e0a\u5c64\u307b\u3069\u5f37\u307e\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001\u52d5\u529b\u5b66\u7684\u5206\u5225\u304c\u305d\u308c\u3089\u306e\u91cd\u529b\u5206\u96e2\u3092\u6253\u3061\u6d88\u3059\u65b9\u5411\u306b\u306f\u305f\u3089\u304f\u3002\u4e2d\u5c64\u5927\u6c17\u306e\uff12\u6b21\u5143\u30e2\u30c7\u30eb\u3092\u7528\u3044\u3066\u6210\u5c64\u570f\u306e\u5e0c\u30ac\u30b9\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u65bd\u3057\u305f\u7d50\u679c\u3001\u89b3\u6e2c\u3055\u308c\u305f\u91cd\u529b\u5206\u96e2\u3068\u52d5\u529b\u5b66\u7684\u5206\u5225\u306e\u4e21\u65b9\u3092\u307b\u307c\u518d\u73fe\u3059\u308b\u3053\u3068\u306b\u6210\u529f\u3057\u305f\u3002\u91cd\u529b\u5206\u96e2\u3068\u52d5\u529b\u5b66\u7684\u5206\u5225\u306f\u3001\u5316\u5b66\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u3068\u306f\u7121\u95a2\u4fc2\u3067\u3042\u308a\u3001\u5927\u6c17\u306e\u5927\u898f\u6a21\u306a\u8f38\u9001\u30fb\u6df7\u5408\u3068\u5206\u5b50\u62e1\u6563\u3068\u306e\u7af6\u5408\u306b\u3088\u3063\u3066\u4e00\u5b9a\u306e\u5206\u5225\u304c\u5f62\u6210\u3055\u308c\u308b\u3002\u305d\u306e\u305f\u3081\u3001\u30e2\u30c7\u30eb\u5927\u6c17\u306e\u8f38\u9001\u30fb\u6df7\u5408\u904e\u7a0b\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306b\u91cd\u529b\u5206\u96e2\u3068\u52d5\u529b\u5b66\u7684\u5206\u5225\u3092\u5fdc\u7528\u3059\u308b\u3053\u3068\u304c\u6709\u52b9\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u308b\u3002\u30e2\u30c7\u30eb\u306e\u5927\u6c17\u8f38\u9001\u30fb\u6df7\u5408\u904e\u7a0b\u3092\u3044\u304f\u3064\u304b\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u3088\u3063\u3066\u5909\u5316\u3055\u305b\u305f\u3068\u304d\u306b\u3001\u91cd\u529b\u5206\u96e2\u3068\u52d5\u529b\u5b66\u7684\u5206\u5225\u304c\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u304b\u3092\u8abf\u3079\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u52d5\u529b\u5b66\u7684\u5206\u5225\u304c\u925b\u76f4\u6e26\u62e1\u6563\u4fc2\u6570\u306e\u5927\u304d\u3055\u306b\u654f\u611f\u3067\u3042\u308a\u3001\u52d5\u529b\u5b66\u7684\u5206\u5225\u304c\u65b0\u305f\u306a\u5927\u6c17\u8f38\u9001\u306e\u675f\u7e1b\u6761\u4ef6\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u3092\u793a\u3057\u305f\u3002\u307e\u305f\u3001\u5e0c\u30ac\u30b9\u3092\u7528\u3044\u305f\u6d77\u6d0b\u8caf\u71b1\u91cf\u5909\u5316\u306e\u63a8\u5b9a\u3084\u3001\u30a2\u30a4\u30b9\u30b3\u30a2\u306e\u6c17\u6ce1\u4e2d\u306e\u5e0c\u30ac\u30b9\u3092\u7528\u3044\u305f\u904e\u53bb\u306e\u5e73\u5747\u6d77\u6c34\u6e29\u306e\u63a8\u5b9a\u306b\u95a2\u3057\u3066\u3001\u6210\u5c64\u570f\u306e\u30d6\u30ea\u30e5\u30fc\u30ef\u30fb\u30c9\u30d6\u30bd\u30f3\u5faa\u74b0\u306e\u76db\u8870\u304c\u5f15\u304d\u8d77\u3053\u3059\u5730\u8868\u4ed8\u8fd1\u306e\u5e0c\u30ac\u30b9\u306e\u5909\u52d5\u304c\u305d\u308c\u3089\u306b\u5f71\u97ff\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u3092\u793a\u3057\u305f\u3002<\/p>\n\n\n\n<p>\uff08\u8b1d\u8f9e\uff09\u672c\u7814\u7a76\u306f\u3001\u5b87\u5b99\u822a\u7a7a\u7814\u7a76\u958b\u767a\u6a5f\u69cb\u5b87\u5b99\u79d1\u5b66\u7814\u7a76\u6240\u304c\u63d0\u4f9b\u3059\u308b\u5927\u6c17\u7403\u306b\u3088\u308b\u98db\u7fd4\u6a5f\u4f1a\u3092\u5229\u7528\u3057\u3066\u884c\u308f\u308c\u307e\u3057\u305f\u3002\u5b87\u5b99\u79d1\u5b66\u7814\u7a76\u6240\u5927\u6c17\u7403\u5b9f\u9a13\u30b0\u30eb\u30fc\u30d7\u306e\u652f\u63f4\u306b\u611f\u8b1d\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u6210\u5c64\u570f\u306e\u5927\u6c17\u5e74\u9f62\u306b\u95a2\u3059\u308b\u89e3\u8aac\u8ad6\u6587\u3092\u767a\u8868<\/strong><\/p>\n\n\n\n<p>\u83c5\u539f\u654f\u3001\u77f3\u6238\u8c37\u91cd\u4e4b\u3001\u7a32\u98ef\u6d0b\u4e00&nbsp;,&nbsp;\u6210\u5c64\u570f\u5927\u6c17\u306e\u5e74\u9f62.&nbsp;\u6210\u5c64\u570f\u30fb\u5bfe\u6d41\u570f\u3092\u5de1\u308b\u5927\u6c17.&nbsp;\u6c17\u8c61\u7814\u7a76\u30ce\u30fc\u30c8 \u7b2c250\u53f7.&nbsp;\u65e5\u672c\u6c17\u8c61\u5b66\u4f1a.&nbsp;\u7b2c6\u7ae0. 85-112. ISBN: 978-4-904129-33-3, 2025.<\/p>\n\n\n\n<p>\u6210\u5c64\u570f\u5927\u6c17\u306e\u5e74\u9f62\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3084\u7406\u8ad6\u3001\u89b3\u6e2c\u306e\u65b9\u6cd5\u3084\u3053\u308c\u307e\u3067\u306e\u7d50\u679c\u306a\u3069\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u6210\u5c64\u570f\u5927\u6c17\u306e\u5e74\u9f62\uff08Age of air\uff09\u306e\u7814\u7a76\u306f\u3001\u5927\u6c17\u306e\u91cd\u529b\u5206\u96e2\u3068\u5408\u308f\u305b\u3066\u3001\u4eca\u5f8c\u3082\u6c17\u7403\u89b3\u6e2c\u3084\u30e2\u30c7\u30eb\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306b\u3088\u3063\u3066\u9032\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"719\" src=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/AOA_fig-1024x719.png\" alt=\"\" class=\"wp-image-23\" style=\"width:557px;height:auto\" srcset=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/AOA_fig-1024x719.png 1024w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/AOA_fig-300x211.png 300w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/AOA_fig-768x539.png 768w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/AOA_fig-1536x1079.png 1536w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/AOA_fig.png 1558w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong>\u6210\u5c64\u570f\u306e\u5927\u6c17\u5faa\u74b0\u3068\u5927\u6c17\u306e\u5e74\u9f62\u30fb\u91cd\u529b\u5206\u96e2\u306e\u6982\u7565\u56f3<\/strong><\/figcaption><\/figure>\n\n\n\n<p><strong>\u6210\u5c64\u570f\u306e\u4e8c\u9178\u5316\u70ad\u7d20\u306e\u70ad\u7d20\u540c\u4f4d\u4f53\u6bd4\uff08\u03b4<sup>13<\/sup>C\uff09\u306e\u9577\u671f\u5909\u52d5\u3092\u89e3\u660e<\/strong><\/p>\n\n\n\n<p>Sugawara, S., Morimoto, S., Ishidoya, S., Umezawa, T., Aoki, S., Nakazawa, T., Toyoda, S., Ishijima, K., Goto, D., and Honda, H.: Stratospheric&nbsp;<em>\u03b4<\/em><sup>13<\/sup>CO<sub>2<\/sub>&nbsp;observed over Japan and its governing processes, Atmos. Chem. Phys., 25, 11895\u201311917, https:\/\/doi.org\/10.5194\/acp-25-11895-2025, 2025.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"813\" src=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/fig_6-1024x813.jpg\" alt=\"\" class=\"wp-image-15\" style=\"width:649px;height:auto\" srcset=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/fig_6-1024x813.jpg 1024w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/fig_6-300x238.jpg 300w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/fig_6-768x610.jpg 768w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/fig_6-1536x1219.jpg 1536w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/fig_6-2048x1626.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong>\u6210\u5c64\u570fCO<sub>2<\/sub>\u306e\u03b4<sup>13<\/sup>C\u306e\u925b\u76f4\u5206\u5e03\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u8aac\u660e\u3059\u308b\u6982\u7565\u56f3\uff08Sugawara et al., 2025\uff09<\/strong><\/figcaption><\/figure>\n\n\n\n<p>\u6210\u5c64\u570f\u306b\u304a\u3051\u308b\u4e8c\u9178\u5316\u70ad\u7d20\u306e\u03b4<sup>13<\/sup>C\uff08\u5b89\u5b9a\u70ad\u7d20\u540c\u4f4d\u4f53\u6bd4\uff09\u306e\u89b3\u6e2c\u306f\u975e\u5e38\u306b\u5c11\u306a\u304f\u3001\u305d\u306e\u5909\u52d5\u306f\u5341\u5206\u306b\u7406\u89e3\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3002\u672c\u7814\u7a76\u3067\u306f\u30011985\u5e74\u4ee5\u6765\u3001\u65e5\u672c\u4e0a\u7a7a\u306b\u304a\u3044\u3066\u6c17\u7403\u642d\u8f09\u578b\u30af\u30e9\u30a4\u30aa\u30b5\u30f3\u30d7\u30e9\u30fc\u3092\u7528\u3044\u3066\u6210\u5c64\u570f\u5927\u6c17\u30b5\u30f3\u30d7\u30eb\u3092\u63a1\u53d6\u3057\u3001\u305d\u306e\u4e8c\u9178\u5316\u70ad\u7d20\u306e\u6fc3\u5ea6\u3068\u03b4<sup>13<\/sup>C \u306e\u5206\u6790\u3092\u7d99\u7d9a\u3057\u3066\u304d\u305f\u3002\u6b63\u78ba\u306a \u03b4<sup>13<\/sup>C\u306e\u5024\u3092\u5f97\u308b\u305f\u3081\u306b\u3001\u4e8c\u9178\u5316\u70ad\u7d20\u306e<sup>17<\/sup>O\u3068<sup>18<\/sup>O\u306e\u975e\u8cea\u91cf\u4f9d\u5b58\u578b\u5206\u5225\uff08MIF\uff09\u3092\u8003\u616e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u03b4<sup>13<\/sup>C\u306f\u6210\u5c64\u570f\u4e2d\u5c64\u3067\u6642\u9593\u3068\u3068\u3082\u306b\u6e1b\u5c11\u3057\u3066\u304a\u308a\u30011985\u5e74\u304b\u30892020\u5e74\u306e\u671f\u9593\u306e\u5e73\u5747\u5909\u5316\u7387\u306f -0.026 \u00b1 0.001 \u2030 yr<sup>-1<\/sup> \u3067\u3042\u3063\u305f\u3002\u3053\u306e\u5909\u5316\u7387\u306f\u3001\u5bfe\u6d41\u570f\u306e\u3082\u306e\u3068\u307b\u307c\u4e00\u81f4\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u6210\u5c64\u570f\u4e2d\u5c64\u306e\u03b4<sup>13<\/sup>C\u306f\u3001\u71b1\u5e2f\u5bfe\u6d41\u570f\u306e\u5024\u3068\u6bd4\u8f03\u3057\u3066\u6642\u9593\u7684\u306a\u9045\u308c\u3092\u793a\u3055\u305a\u3001\u6210\u5c64\u570f\u306e\u5927\u6c17\u306e\u5e74\u9f62\u306e\u6982\u5ff5\u3068\u77db\u76fe\u3059\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u3068\u306a\u3063\u305f\u3002\u305d\u306e\u77db\u76fe\u306f\u3001\u30e1\u30bf\u30f3\u306e\u9178\u5316\u306b\u3088\u3063\u3066\u6210\u5c64\u570f\u306b\u304a\u3044\u3066\u540c\u4f4d\u4f53\u7684\u306b\u8efd\u3044CO<sub>2<\/sub>\u304c\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u3068\u3001<sup>12<\/sup>CO<sub>2<\/sub>\u3068<sup>13<\/sup>CO<sub>2<\/sub>\u3068\u306e\u9593\u3067\u91cd\u529b\u5206\u96e2\u304c\u8d77\u3053\u308b\u3053\u3068\u3001\u306e\uff12\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u3063\u3066\u8aac\u660e\u3067\u304d\u308b\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u8003\u616e\u3057\u305f 2 \u6b21\u5143\u4e2d\u5c64\u5927\u6c17\u30e2\u30c7\u30eb\u3092\u7528\u3044\u3066\u3001\u6210\u5c64\u570f\u306e\u03b4<sup>13<\/sup>C\u306e\u518d\u73fe\u5b9f\u9a13\u3092\u884c\u3063\u305f\u7d50\u679c\u3001\u4eee\u8aac\u3092\u88cf\u4ed8\u3051\u308b\u7d50\u679c\u304c\u5f97\u3089\u308c\u305f\u3002\u3055\u3089\u306b\u3001\u30e1\u30bf\u30f3\u9178\u5316\u3068\u91cd\u529b\u5206\u96e2\u3092\u8003\u616e\u3057\u305f\u4fdd\u5b58\u91cf\u3068\u3057\u3066\u300c\u6210\u5c64\u570f\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb \u03b4<sup>13<\/sup>C\u300d(\u03b4<sup>13<\/sup>C<sub>P<\/sub>) \u3092\u65b0\u305f\u306b\u5b9a\u7fa9\u3057\u3001\u3053\u308c\u3092\u7528\u3044\u3066\u6210\u5c64\u570f\u7a7a\u6c17\u306e\u5e73\u5747\u5e74\u9f62\u306e\u63a8\u5b9a\u3092\u8a66\u307f\u305f\u3002\u73fe\u6642\u70b9\u3067\u306f\u3001\u03b4<sup>13<\/sup>C<sub>P<\/sub>\u304b\u3089\u63a8\u5b9a\u3057\u305f\u5e73\u5747\u5e74\u9f62\u306b\u306f\u5927\u304d\u306a\u4e0d\u78ba\u5b9f\u6027\u304c\u3042\u308b\u3082\u306e\u306e\u3001\u305d\u306e\u5e73\u5747\u7684\u306a\u5024\u306f CO<sub>2<\/sub>\u6fc3\u5ea6\u304b\u3089\u63a8\u5b9a\u3055\u308c\u305f\u5e73\u5747\u5e74\u9f62\u3068\u307b\u307c\u4e00\u81f4\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u3053\u3068\u304b\u3089\u3001\u03b4<sup>13<\/sup>C<sub>P<\/sub>\u306f\u6210\u5c64\u570f\u8f38\u9001\u30d7\u30ed\u30bb\u30b9\u306e\u3055\u3089\u306a\u308b\u7814\u7a76\u306b\u3068\u3063\u3066\u6709\u76ca\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<p>\uff08\u8b1d\u8f9e\uff09\u672c\u7814\u7a76\u306f\u3001\u5b87\u5b99\u822a\u7a7a\u7814\u7a76\u958b\u767a\u6a5f\u69cb\u5b87\u5b99\u79d1\u5b66\u7814\u7a76\u6240\u304c\u63d0\u4f9b\u3059\u308b\u5927\u6c17\u7403\u306b\u3088\u308b\u98db\u7fd4\u6a5f\u4f1a\u3092\u5229\u7528\u3057\u3066\u884c\u308f\u308c\u307e\u3057\u305f\u3002\u5b87\u5b99\u79d1\u5b66\u7814\u7a76\u6240\u5927\u6c17\u7403\u5b9f\u9a13\u30b0\u30eb\u30fc\u30d7\u306e\u652f\u63f4\u306b\u611f\u8b1d\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u68ee\u7530\u535a\u58eb\u306e\u767a\u898b\u304b\u3089\uff19\uff10\u5e74\u3001\u4e16\u754c\u3067\u521d\u3081\u3066\u73fe\u4ee3\u306e\u5927\u6c17\u4e2d\u9178\u7d20\u540c\u4f4d\u4f53\u6bd4\u306e\u5909\u52d5\u3092\u89e3\u660e<\/strong><\/p>\n\n\n\n<p>Ishidoya, S., Sugawara, S., and Okazaki, A.: Diurnal, seasonal, and interannual variations in \u03b4(<sup>18<\/sup>O) of atmospheric O<sub>2<\/sub> and its application to evaluate natural and anthropogenic changes in oxygen, carbon, and water cycles, Atmos. Chem. Phys., 25, 1965\u20131987, https:\/\/doi.org\/10.5194\/acp-25-1965-2025, 2025.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/DME.png\" alt=\"\" class=\"wp-image-18\" srcset=\"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/DME.png 720w, https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/wp-content\/uploads\/2025\/11\/DME-300x225.png 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><figcaption class=\"wp-element-caption\"><strong>\u30c9\u30fc\u30eb\u30fb\u68ee\u7530\u52b9\u679c\u306e\u6982\u5ff5\u56f3<\/strong><\/figcaption><\/figure>\n\n\n\n<p>\u30c9\u30fc\u30eb\u30fb\u68ee\u7530\u52b9\u679c\uff08Dole-Morita Effect: DME\uff09\u3068\u306f\u3001\u5730\u7403\u5927\u6c17\u306e\u9178\u7d20\uff08<sup>18<\/sup>O\uff09\u306e\u540c\u4f4d\u4f53\u6bd4\u304c\u6d77\u6c34\u306e\u9178\u7d20\u306e\u540c\u4f4d\u4f53\u6bd4\u306b\u5bfe\u3057\u3066\u304a\u3088\u305d24\u2030\u3060\u3051\u9ad8\u3044\u3068\u3044\u3046\u89b3\u6e2c\u7684\u4e8b\u5b9f\u3067\u3042\u308b\u3002\u6c37\u5e8a\u30b3\u30a2\u4e2d\u306e\u7a7a\u6c17\u306e\u89e3\u6790\u306b\u3088\u3063\u3066\u3001\u904e\u53bb\u306e\u5730\u7403\u5927\u6c17\u3067\u306fDME\u306e\u5909\u52d5\u304c\u3042\u3063\u305f\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u308b\u3002\u3057\u304b\u3057\u3001\u73fe\u5728\u306e\u5927\u6c17\u306e\u76f4\u63a5\u89b3\u6e2c\u3067\u306f\u3001\u305d\u306e\u6642\u9593\u7684\u306a\u5909\u52d5\u306f\u3053\u308c\u307e\u3067\u691c\u51fa\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3002\u672c\u7814\u7a76\u3067\u306f\u3001\u5927\u6c17\u4e2d\u306e\u9178\u7d20\u306e\u540c\u4f4d\u4f53\u6bd4\u3092\u9577\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u8d85\u9ad8\u7cbe\u5ea6\u3067\u6e2c\u5b9a\u3057\u3001\u89b3\u6e2c\u7d50\u679c\u3092\u7d71\u8a08\u7684\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u4e16\u754c\u3067\u521d\u3081\u3066\u5927\u6c17\u4e2d\u9178\u7d20\u540c\u4f4d\u4f53\u6bd4\u306e\u65e5\u5909\u5316\u3001\u5b63\u7bc0\u5909\u5316\u3001\u7d4c\u5e74\u5909\u5316\u3092\u660e\u3089\u304b\u306b\u3057\u305f\u3002\u305d\u306e\u89b3\u6e2c\u7d50\u679c\u3092\u9178\u7d20\u6fc3\u5ea6\uff08O<sub>2<\/sub>\/N<sub>2<\/sub>\u6bd4\uff09\u3084\u4e8c\u9178\u5316\u70ad\u7d20\uff08CO<sub>2<\/sub>\uff09\u6fc3\u5ea6\u3068\u3068\u3082\u306b\u89e3\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u751f\u7269\u570f\u306e\u6d3b\u52d5\u3068\u4eba\u70ba\u7684\u306a\u5316\u77f3\u71c3\u6599\u6d88\u8cbb\u306e\u5bc4\u4e0e\u3092\u5b9a\u91cf\u7684\u306b\u5206\u96e2\u3067\u304d\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u7d4c\u5e74\u7684\u306a\u30c8\u30ec\u30f3\u30c9\u306f\u30010.22\u00b10.14 per meg\/\u5e74\uff08per meg:\uff11\uff10\uff10\u4e07\u5206\u306e\uff11\uff09\u306e\u5897\u52a0\u50be\u5411\u3092\u793a\u3059\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u305f\u3002\u89b3\u6e2c\u3055\u308c\u305f\u9577\u671f\u5909\u52d5\u306e\u8981\u56e0\u3092\u63a2\u308b\u305f\u3081\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30bb\u30b9\u306e\u540c\u4f4d\u4f53\u52b9\u679c\u3092\u7d44\u307f\u8fbc\u3093\u3060\u30dc\u30c3\u30af\u30b9\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u884c\u3063\u305f\u3002\u30dc\u30c3\u30af\u30b9\u30e2\u30c7\u30eb\u3067\u306f\u3001\u6210\u5c64\u570f\u3067\u8d77\u3053\u308b\u5149\u5316\u5b66\u904e\u7a0b\u306b\u3088\u3063\u3066<sup>18<\/sup>O\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u52b9\u679c\u3092\u3001\u5bfe\u6d41\u570f\uff0d\u6210\u5c64\u570f\u9593\u306e\u5927\u6c17\u4ea4\u63db\u3068\u6210\u5c64\u570f\u3067\u306e\u540c\u4f4d\u4f53\u52b9\u679c\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u3067\u518d\u73fe\u3057\u305f\u3002\u6210\u5c64\u570f\u306b\u304a\u3051\u308b<sup>18<\/sup>O\u3068<sup>16<\/sup>O\u306e\u91cd\u529b\u5206\u96e2\u304cDME\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u306b\u3064\u3044\u3066\u3082\u8003\u5bdf\u3092\u52a0\u3048\u305f\u3002\u9577\u671f\u5909\u52d5\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u30b7\u30ca\u30ea\u30aa\u3068\u3057\u3066\u3001\u5927\u6c17\u4e2d\u306eCO<sub>2<\/sub>\u6fc3\u5ea6\u306e\u5897\u52a0\u306b\u4f34\u3046Gross Primary Production (GPP:\u7dcf\u4e00\u6b21\u751f\u7523)\u306e\u5897\u52a0\u3001\u5149\u5408\u6210\u306b\u304a\u3051\u308b\u5149\u547c\u5438\u306e\u5272\u5408\u306e\u4f4e\u4e0b\u3001\u3055\u3089\u306b\u3001\u6c34\u5faa\u74b0\u540c\u4f4d\u4f53\uff13\u6b21\u5143\u30e2\u30c7\u30eb\u3067\u3042\u308bMIROC5-iso\u306b\u3088\u3063\u3066\u63a8\u5b9a\u3055\u308c\u305f\u8449\u6c34\u306e\u9178\u7d20\u540c\u4f4d\u4f53\u6bd4\u306e\u5909\u5316\u3001\u306e\uff13\u3064\u3092\u4eee\u5b9a\u3057\u305f\u3002\u305d\u308c\u3089\u306e\u5927\u6c17\u306e\u9178\u7d20\u540c\u4f4d\u4f53\u3078\u306e\u5f71\u97ff\u306f\u3001\u5149\u547c\u5438\u306b\u3088\u3063\u3066\u4f4e\u4e0b\u3001\u8449\u6c34\u540c\u4f4d\u4f53\u306b\u3088\u3063\u3066\u5897\u52a0\u3001\u306e\u50be\u5411\u3092\u793a\u3057\u3001\u305d\u308c\u3089\u304c\u540c\u7a0b\u5ea6\u306e\u5927\u304d\u3055\u3067\u76f8\u6bba\u3057\u3001\u4e3b\u306bGPP\u306e\u5897\u52a0\u306b\u3088\u3063\u3066\u89b3\u6e2c\u3055\u308c\u305f\u5927\u6c17\u306e\u9178\u7d20\u540c\u4f4d\u4f53\u6bd4\u306e\u5897\u52a0\u304c\u8aac\u660e\u3067\u304d\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u4f9d\u7136\u3068\u3057\u3066\u500b\u3005\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u540c\u4f4d\u4f53\u52b9\u679c\u306b\u306f\u4e0d\u78ba\u5b9a\u306a\u8981\u7d20\u304c\u5927\u304d\u3044\u305f\u3081\u3001\u672c\u7814\u7a76\u306e\u3088\u3046\u306a\u5927\u6c17\u306e\u9178\u7d20\u540c\u4f4d\u4f53\u6bd4\u306e\u9577\u671f\u7684\u306a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u304c\u70ad\u7d20\u3001\u9178\u7d20\u3001\u6c34\u306e\u751f\u7269\u5730\u7403\u5316\u5b66\u30b5\u30a4\u30af\u30eb\u306e\u7406\u89e3\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u5506\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u7814\u7a76\u696d\u7e3e<\/p>\n\n\n\n<p><a href=\"https:\/\/researchmap.jp\/read0048194\">\u30ea\u30b5\u30fc\u30c1\u30de\u30c3\u30d7<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3b\u306a\u7814\u7a76\u5206\u91ce \u6700\u8fd1\u306e\u7814\u7a76\u306e\u7d39\u4ecb \u6210\u5c64\u570f\u306b\u304a\u3051\u308b\u5e0c\u30ac\u30b9\u306e\u52d5\u529b\u5b66\u7684\u5206\u5225\u3092\u767a\u898b Sugawara, S., Oyabu, I., Kawamura, K., Ishidoya, S., Morimoto, S., Aoki,  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-12","page","type-page","status-publish","hentry"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/pages\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/comments?post=12"}],"version-history":[{"count":11,"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/pages\/12\/revisions"}],"predecessor-version":[{"id":42,"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/pages\/12\/revisions\/42"}],"wp:attachment":[{"href":"https:\/\/atmos.miyakyo-u.ac.jp\/geoblog\/index.php\/wp-json\/wp\/v2\/media?parent=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}