{"id":541,"date":"2023-04-04T20:17:10","date_gmt":"2023-04-04T12:17:10","guid":{"rendered":"http:\/\/124.220.135.113\/?p=541"},"modified":"2025-04-18T09:21:09","modified_gmt":"2025-04-18T01:21:09","slug":"%e4%bb%80%e4%b9%88%e6%98%afdem","status":"publish","type":"post","link":"http:\/\/124.220.135.113\/?p=541","title":{"rendered":"\u4ec0\u4e48\u662fDEM"},"content":{"rendered":"\n<p>DEM\u662f\u6570\u5b57\u9ad8\u7a0b\u6a21\u578b\uff08Digital Elevation 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loading=\"lazy\" decoding=\"async\" width=\"845\" height=\"600\" src=\"https:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM006.webp\" alt=\"\" class=\"wp-image-553\" style=\"width:407px;height:288px\" srcset=\"http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM006.webp 845w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM006-300x213.webp 300w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM006-768x545.webp 768w\" sizes=\"auto, (max-width: 845px) 100vw, 845px\" \/><figcaption class=\"wp-element-caption\">\u8fd9\u662f\u4e00\u5f20\u5178\u578b\u7684DEM\u5f71\u50cf<\/figcaption><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"361\" src=\"https:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/SRTM_90m_30m.webp\" alt=\"\" class=\"wp-image-554\" style=\"width:405px;height:143px\" srcset=\"http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/SRTM_90m_30m.webp 1024w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/SRTM_90m_30m-300x106.webp 300w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/SRTM_90m_30m-768x271.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u6bcf\u4e2a\u7070\u8272\u7684\u683c\u5b50\u90fd\u53ef\u4ee5\u7528\u4e00\u4e2a\u6570\u503c\u8868\u793a\uff0c\u6b64\u6570\u503c\u5c31\u662f\u8be5\u65b9\u683c\u7684\u5e73\u5747\u9ad8\u7a0b\u503c\uff0c\u800c\u503c\u7684\u5927\u5c0f\u7528\u4e0d\u540c\u7684\u7070\u5ea6\u8868\u793a<\/figcaption><\/figure><\/div>\n\n\n<p>DEM\u7684\u5f62\u6001\u591a\u79cd\u591a\u6837\uff0c\u5e76\u4e0d\u4e00\u5b9a\u662f\u4e09\u7ef4\u7acb\u4f53\u7684\uff0c\u4e5f\u53ef\u901a\u8fc7\u6e32\u67d3\u989c\u8272\u6df1\u6d45\uff0c\u8bc6\u522b\u5730\u5f62\u9ad8\u4f4e\u3002DEM\u662f\u6570\u5b57\u5730\u5f62\u6a21\u578b(Digital Terrain 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class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"515\" src=\"https:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/90m-30m-visualized-1024x515.png\" alt=\"\" class=\"wp-image-557\" style=\"width:547px;height:275px\" srcset=\"http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/90m-30m-visualized-1024x515.png 1024w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/90m-30m-visualized-300x151.png 300w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/90m-30m-visualized-768x387.png 768w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/90m-30m-visualized-1170x589.png 1170w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/90m-30m-visualized.png 1196w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u56fe\u5de6\u4fa7\u5206\u8fa8\u7387\u4e3a90m\uff0c\u53f3\u4fa7\u5206\u8fa8\u7387\u4e3a30m\uff0c\u663e\u7136\u53f3\u4fa7\u56fe\u5206\u8fa8\u7684\u7ec6\u8282\u4f1a\u66f4\u591a\uff0c\u4ea7\u751f\u7684\u6570\u636e\u91cf\u76f8\u5f53\u4e8e\u5de6\u4fa7\u56fe\u76849\u500d<\/figcaption><\/figure><\/div>\n\n\n<p>\u6655\u6e32\u56fe\u662fDEM\u5730\u8868\u5f62\u6001\u8868\u8fbe\u7684\u4e00\u79cd\u5f62\u5f0f\uff0c\u5b83\u901a\u8fc7\u8bbe\u7f6e\u5149\u6e90\u7684\u9ad8\u5ea6\u89d2\u548c\u65b9\u4f4d\u89d2\uff0c\u53ef\u4ee5\u66f4\u5f62\u8c61\u6216\u8005\u66f4\u7b26\u5408\u4eba\u7c7b\u89c6\u89c9\u7684\u65b9\u5f0f\u5c55\u793a\u4e00\u4e2a\u5730\u533a\u7684\u5730\u5f62\u3002\u901a\u8fc7\u6655\u6e32\u56fe\uff0c\u53ef\u4ee5\u5f88\u597d\u7684\u53cd\u5e94\u5730\u5f62\u5730\u52bf\u7684\u53d8\u5316\uff0c\u6709\u5f88\u597d\u7684\u7acb\u4f53\u611f\uff0c\u65b9\u4fbf\u7528\u56fe\u8005\u7684\u4f7f\u7528\u3002\u5e38\u7528\u7684GIS\u8f6f\u4ef6\u90fd\u652f\u6301\u751f\u6210\u5730\u5f62\u6655\u6e32\u56fe\uff0c\u5e76\u4e14\u80fd\u591f\u901a\u8fc7\u5bf9DEM\u7684\u9ad8\u7a0b\u503c\u8bbe\u5b9a\u4e0d\u540c\u7684\u989c\u8272\uff0c\u5f97\u5230\u5f69\u8272\u7684\u5730\u5f62\u6655\u6e32\u6548\u679c\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"867\" height=\"602\" src=\"https:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM007.webp\" alt=\"\" class=\"wp-image-561\" style=\"width:434px;height:301px\" srcset=\"http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM007.webp 867w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM007-300x208.webp 300w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM007-768x533.webp 768w\" sizes=\"auto, (max-width: 867px) 100vw, 867px\" \/><figcaption class=\"wp-element-caption\">\u5730\u5f62\u6655\u6e32\u56fe\uff08\u7070\u5ea6\uff09<\/figcaption><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"565\" height=\"824\" src=\"https:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/\u53f0\u6e7e\u5730\u5f62\u6655\u6e32\u56fe.webp\" alt=\"\" class=\"wp-image-562\" style=\"width:283px;height:412px\" srcset=\"http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/\u53f0\u6e7e\u5730\u5f62\u6655\u6e32\u56fe.webp 565w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/\u53f0\u6e7e\u5730\u5f62\u6655\u6e32\u56fe-206x300.webp 206w\" sizes=\"auto, (max-width: 565px) 100vw, 565px\" \/><figcaption class=\"wp-element-caption\">\u5730\u5f62\u6655\u6e32\u56fe\uff08\u5f69\u8272\uff09<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"818\" height=\"1024\" src=\"https:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM004-1-818x1024.webp\" alt=\"\" class=\"wp-image-548\" style=\"width:500px;height:626px\" srcset=\"http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM004-1-818x1024.webp 818w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM004-1-240x300.webp 240w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM004-1-768x962.webp 768w, http:\/\/124.220.135.113\/wp-content\/uploads\/2023\/04\/DEM004-1.webp 1065w\" sizes=\"auto, (max-width: 818px) 100vw, 818px\" \/><figcaption class=\"wp-element-caption\">\u540c\u4e00\u7247\u533a\u57df\u5229\u7528\u7b49\u9ad8\u7ebf\u548c\u6655\u6e32\u56fe\u8868\u793a\u5730\u5f62\u7684\u6548\u679c<\/figcaption><\/figure><\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DEM\u662f\u6570\u5b57\u9ad8\u7a0b\u6a21\u578b\uff08Digital Elevation 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