{"id":19288,"date":"2026-09-06T02:01:48","date_gmt":"2026-09-05T16:01:48","guid":{"rendered":"https:\/\/geoffreychen.com\/why-a-lake-freezes-from-the-surface-down\/"},"modified":"2026-09-06T02:01:48","modified_gmt":"2026-09-05T16:01:48","slug":"why-a-lake-freezes-from-the-surface-down","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-a-lake-freezes-from-the-surface-down\/","title":{"rendered":"\u6e56\u6c34\u4e3a\u4ec0\u4e48\u4ece\u8868\u9762\u5f00\u59cb\u7ed3\u51b0\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/why-a-lake-freezes-from-the-surface-down\/26db48b40471712bbd1f4c92.jpg?w=1140&#038;ssl=1\" alt=\"\u6e56\u6c34\u4e3a\u4ec0\u4e48\u4ece\u8868\u9762\u5f00\u59cb\u7ed3\u51b0\uff1f\" loading=\"lazy\"><\/p>\n<p>\u51ac\u5b63\u7a7a\u6c14\u5148\u51b7\u5374\u6e56\u9762\u3002\u666e\u901a\u6db2\u4f53\u901a\u5e38\u8d8a\u51b7\u5bc6\u5ea6\u8d8a\u5927\uff0c\u51b7\u6c34\u5e94\u4e0b\u6c89\uff1b\u6de1\u6c34\u5374\u5728\u7ea64\u2103\u8fbe\u5230\u6700\u5927\u5bc6\u5ea6\u3002\u79cb\u51ac\u4e4b\u4ea4\uff0c\u8868\u5c42\u6c34\u4ece\u8f83\u9ad8\u6e29\u5ea6\u964d\u52304\u2103\u65f6\u4f1a\u4e0b\u6c89\uff0c\u6e56\u6c34\u4e0a\u4e0b\u6df7\u5408\u3002\u7b49\u6574\u7247\u6e56\u63a5\u8fd14\u2103\u540e\uff0c\u8868\u9762\u82e5\u7ee7\u7eed\u964d\u6e29\u52303\u2103\u30012\u2103\uff0c\u5bc6\u5ea6\u53cd\u800c\u51cf\u5c0f\uff0c\u4e8e\u662f\u4e0d\u518d\u6c89\u5411\u6e56\u5e95\uff0c\u800c\u662f\u7559\u5728\u4e0a\u65b9\uff0c\u76f4\u52300\u2103\u9644\u8fd1\u7ed3\u51b0\u3002<\/p>\n<p>\u51b0\u7684\u6676\u4f53\u7ed3\u6784\u6bd4\u6db2\u6001\u6c34\u758f\u677e\uff0c\u540c\u6837\u8d28\u91cf\u5360\u636e\u66f4\u5927\u4f53\u79ef\uff0c\u6240\u4ee5\u5bc6\u5ea6\u8f83\u5c0f\uff0c\u5f62\u6210\u540e\u6d6e\u5728\u6c34\u9762\u3002\u51b0\u5c42\u8fd8\u50cf\u4e00\u9053\u70ed\u963b\uff0c\u51cf\u6162\u4e0b\u65b9\u6e56\u6c34\u5411\u51b7\u7a7a\u6c14\u6563\u70ed\u3002\u4e8e\u662f\u6e56\u9762\u53ef\u4ee5\u5c01\u51bb\uff0c\u8f83\u6df1\u5904\u4ecd\u4fdd\u6301\u6db2\u6001\uff1b\u8fd9\u4e0d\u662f\u51b0\u4e3b\u52a8\u201c\u4fdd\u6e29\u201d\uff0c\u800c\u662f\u70ed\u91cf\u7a7f\u8fc7\u51b0\u5c42\u9700\u8981\u65f6\u95f4\u3002<\/p>\n<p>\u8fd9\u4e2a\u89e3\u91ca\u9002\u7528\u4e8e\u5178\u578b\u6de1\u6c34\u6e56\u7684\u57fa\u672c\u8fc7\u7a0b\uff0c\u4e0d\u662f\u4e00\u6761\u5ffd\u7565\u73af\u5883\u7684\u7edd\u5bf9\u89c4\u5f8b\u3002\u98ce\u4f1a\u6405\u62cc\u6c34\u4f53\uff0c\u6e56\u6df1\u3001\u6d41\u52a8\u3001\u76d0\u5206\u548c\u964d\u6e29\u901f\u5ea6\u90fd\u4f1a\u6539\u53d8\u7ed3\u51b0\u4f4d\u7f6e\u4e0e\u65f6\u95f4\u3002\u4e2d\u5fc3\u5224\u65ad\u662f\uff1a\u6e56\u6c34\u4ece\u4e0a\u65b9\u7ed3\u51b0\uff0c\u5e76\u975e\u53ea\u56e0\u51b7\u7a7a\u6c14\u5728\u4e0a\u9762\uff0c\u800c\u662f\u8868\u9762\u51b7\u5374\u3001\u6c34\u57284\u2103\u9644\u8fd1\u7684\u53cd\u5e38\u5bc6\u5ea6\u53d8\u5316\u3001\u51b0\u4f1a\u6d6e\u8d77\u4ee5\u53ca\u540e\u7eed\u4f20\u70ed\u5171\u540c\u9020\u6210\u7684\u7ed3\u679c\u3002<\/p>\n<p><a href=\"https:\/\/www.wtamu.edu\/~cbaird\/sq\/2013\/12\/05\/why-does-ice-form-on-the-top-of-a-lake\/\" rel=\"nofollow\">https:\/\/www.wtamu.edu\/~cbaird\/sq\/2013\/12\/05\/why-does-ice-form-on-the-top-of-a-lake\/<\/a><br \/><a href=\"https:\/\/courses.ems.psu.edu\/earth111\/node\/842\" rel=\"nofollow\">https:\/\/courses.ems.psu.edu\/earth111\/node\/842<\/a><br \/><a href=\"https:\/\/seagrant.umn.edu\/news-info\/featured-stories\/lake-river-ice-formation-classification\" rel=\"nofollow\">https:\/\/seagrant.umn.edu\/news-info\/featured-stories\/lake-river-ice-formation-classification<\/a><\/p>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Fresh water is densest near 4\u00b0C, so colder surface water stays above it and freezes first; the floating ice then slows further heat loss.","_geoff_meta_description_zh":"\u6de1\u6c34\u5728\u7ea64\u2103\u65f6\u5bc6\u5ea6\u6700\u5927\uff1b\u7ee7\u7eed\u51b7\u5374\u7684\u8868\u5c42\u6c34\u53cd\u800c\u53d8\u8f7b\u5e76\u505c\u7559\u4e0a\u65b9\uff0c\u6700\u7ec8\u5148\u7ed3\u51b0\u3002\u6d6e\u51b0\u53c8\u51cf\u6162\u6563\u70ed\uff0c\u4f7f\u6e56\u5e95\u4e0d\u5fc5\u540c\u6b65\u51bb\u7ed3\uff0c\u5e76\u6539\u53d8\u6c34\u4e0b\u751f\u7269\u8d8a\u51ac\u7684\u73af\u5883\u6761\u4ef6\u3002","_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_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":[787297218],"tags":[787299481,787297219,787297220,787299482],"class_list":["post-19288","post","type-post","status-publish","format-standard","hentry","category-daily-maths-physics-chemistry","tag-lake-ice","tag-water-density","tag-water-density-zh","tag-lake-ice-zh",""],"translatepress_titles":{"en_AU":"Why Does a Lake Freeze from the Surface Down?","zh_CN":"\u6e56\u6c34\u4e3a\u4ec0\u4e48\u4ece\u8868\u9762\u5f00\u59cb\u7ed3\u51b0\uff1f"},"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1ar9H-516","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/19288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/users\/17897162"}],"replies":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/comments?post=19288"}],"version-history":[{"count":0,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/19288\/revisions"}],"wp:attachment":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/media?parent=19288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/categories?post=19288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/tags?post=19288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}