{"id":121,"date":"2021-07-20T19:14:00","date_gmt":"2021-07-20T11:14:00","guid":{"rendered":"http:\/\/47.107.115.238\/?p=121"},"modified":"2024-09-25T15:25:22","modified_gmt":"2024-09-25T07:25:22","slug":"landsat","status":"publish","type":"post","link":"https:\/\/lxylp.com\/?p=121","title":{"rendered":"Landsat"},"content":{"rendered":"\n<p>Landsat \u536b\u661f\u6ce2\u6bb5\u8bbe\u8ba1<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Landsat 1-5<\/h1>\n\n\n\n<p>landsat 1-5 \u591a\u5149\u8c31\u626b\u63cf\u4eea\u5305\u542b 4 \u4e2a\u901a\u9053\uff0c\u7a7a\u95f4\u5206\u8fa8\u7387 60m\uff0c\u5e45\u5bbd \u5357\u5317\u65b9\u5411 170km\uff0c \u4e1c\u897f\u65b9\u5411 185km\u3002\u5176\u4e2d Landsat 1-3 \u548c Landsat 4-5 \u6ce2\u6bb5\u8bbe\u8ba1\u4e0d\u540c\uff0c\u5dee\u5f02\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>landsat1, 1972.7.23<\/li>\n\n\n\n<li>landsat2, 1975.1.22<\/li>\n\n\n\n<li>landsat3, 1978.3.5<\/li>\n\n\n\n<li>landsat4, 1982.3.1<\/li>\n\n\n\n<li>landsat5, 1984.3.1<\/li>\n\n\n\n<li>landsat6, 1993.10.5<\/li>\n\n\n\n<li>landsat7, 1999.4.15<\/li>\n\n\n\n<li>landsat8, 2013.2.11<br><br>Landsat 1-5 Multispectral Scanner (MSS)<br>Landsat 1-3 Landsat 4-5 \u6ce2\u957f(micrometer) \u7a7a\u95f4\u5206\u8fa8\u7387(meter)<br>Band4 Band1 0.5 &#8211; 0.6 60<br>Band5 Band2 0.6 &#8211; 0.7 60<br>Band6 Band3 0.7 &#8211; 0.8 60<br>Band7 Band4 0.8 &#8211; 1.1 60 Landsat 4-5 Landsat 4-5 \u4e13\u9898\u5236\u56fe\u4eea\u5305\u542b 7 \u4e2a\u5149\u8c31\u901a\u9053\uff0c\u5176\u4e2d\u6ce2\u6bb5 1-5\uff0c7\uff0c\u7a7a\u95f4\u5206\u8fa8\u7387 30m\uff0c\u6ce2\u6bb5 6 \u4e3a\u70ed\u7ea2\u5916\u901a\u9053\u7a7a\u95f4\u5206\u8fa8\u7387 120m\uff0c\u8fd1\u4f3c\u5e45\u5bbd\u4e3a\u5357\u5317\u65b9\u5411 170km\uff0c\u4e1c\u897f\u65b9\u5411 183km\u3002<br>Landsat 4-5 Thermatic Mapper (TM) Landsat 4-5 \u6ce2\u957f(micrometer) \u7a7a\u95f4\u5206\u8fa8\u7387(meter) Band1 0.45 &#8211; 0.52 30 Band2 0.52 &#8211; 0.60 30 Band3 0.63 &#8211; 0.69 30 Band4 0.76 &#8211; 0.90 30 Band5 1.55 &#8211; 1.75 30 Band6 10.4 &#8211; 12.5 120(30) Band7 2.08 &#8211; 2.35 30 Landsat 7 Landsat 7 \u589e\u5f3a\u578b\u4e13\u9898\u5236\u56fe\u4eea\u5305\u542b 8 \u4e2a\u5149\u8c31\u901a\u9053\uff0c\u5176\u4e2d\u6ce2\u6bb5 1-7\uff0c\u7a7a\u95f4\u5206\u8fa8\u7387 30m\uff0c\u7b2c 8 \u4e2a\u6ce2\u6bb5\u4e3a\u5168\u8272\u6ce2\u6bb5\u7a7a\u95f4\u5206\u8fa8\u7387 15m\uff0c\u8fd1\u4f3c\u5e45\u5bbd\u4e3a\u5357\u5317\u65b9\u5411 170km\uff0c\u4e1c\u897f\u65b9\u5411 183km\u3002 Landsat 7 Enhanced Thermatic Mapper Plus (ETM+) Landsat 7 \u6ce2\u957f(micrometer) \u7a7a\u95f4\u5206\u8fa8\u7387(meter) Band1 0.45 &#8211; 0.52 30 Band2 0.52 &#8211; 0.60 30 Band3 0.63 &#8211; 0.69 30 Band4 0.77 &#8211; 0.90 30 Band5 1.55 &#8211; 1.75 30 Band6 10.4 &#8211; 12.5 60 (30) Band7 2.09 &#8211; 2.35 30 Band8 0.52 &#8211; 0.90 30 Landsat 8-9 Landsat 8 \u64cd\u4f5c\u5f0f\u9646\u5730\u6210\u50cf\u4eea\u548c\u70ed\u7ea2\u5916\u4f20\u611f\u5668\u5f71\u50cf\u5305\u542b 9 \u4e2a\u5149\u8c31\u901a\u9053\uff0c\u5176\u4e2d1-7\uff0c9\u901a\u9053\u7a7a\u95f4\u5206\u8fa8\u7387 30m\uff0c\u6ce2\u6bb5 8 \u4e3a\u5168\u8272\u6ce2\u6bb5\uff0c\u7a7a\u95f4\u5206\u8fa8\u7387 15m\u3002\u3002\u65b0\u589e\u7684\u6ce2\u6bb5 1 \u4e3a\u8d85\u84dd\u6ce2\u6bb5\uff0c\u53ef\u7528\u4e8e\u6d77\u5cb8\u5e26\u548c\u6c14\u6eb6\u80f6\u7814\u7a76\uff0c\u65b0\u589e\u7684\u7b2c 9 \u6ce2\u6bb5\u53ef\u7528\u4e8e\u5377\u4e91\u68c0\u6d4b\u3002\u6ce2\u6bb5 10-11 \u4e3a\u70ed\u7ea2\u5916\u901a\u9053\uff0c\u7a7a\u95f4\u5206\u8fa8\u7387 100m\uff0c\u8fd1\u4f3c\u5e45\u5bbd\u4e3a\u5357\u5317\u65b9\u5411 170km\uff0c\u4e1c\u897f\u65b9\u5411 183km\u3002Landsat 9 \u4e0e Landsat 8 \u4f20\u611f\u5668\u8bbe\u7f6e\u76f8\u540c\u3002 Landsat 8-9 Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) Bands \u6ce2\u957f(micrometer) \u7a7a\u95f4\u5206\u8fa8\u7387(meter) Band1- coastal\/aerosal 0.43 &#8211; 0.45 30 Band2 &#8211; blue 0.45 &#8211; 0.51 30 Band3 &#8211; green 0.53 &#8211; 0.59 30 Band4 &#8211; red 0.64 &#8211; 0.67 30 Band5 &#8211; NIR 0.85 &#8211; 0.88 30 Band6 &#8211; SWIR1 1.57 &#8211; 1.65 30 Band7 &#8211; SWIR2 2.11 &#8211; 2.29 30 Band8 &#8211; Panchromatic 0.50 &#8211; 0.68 15 Band9 &#8211; Cirrus 1.36 &#8211; 1.38 30 Band10- TIRS1 10.6 &#8211; 11.19 100 Band11- TIRS2 11.5 &#8211; 12.51 100 \u53c2\u8003\u6587\u732e<ol><li><a href=\"https:\/\/www.usgs.gov\/faqs\/what-are-band-designations-landsat-satellites\">USGS Landsat<\/a><\/li><li><a href=\"https:\/\/gisgeography.com\/landsat-8-bands-combinations\/\">GISGeography<\/a><\/li><\/ol>Landsat 8 \u6ce2\u6bb5\u7ec4\u5408 Read below for the most common band combinations and what they specialize in.<ul><li>\u771f\u5f69\u8272(4,3,2)<br>The natural color composite uses a band combination of red (4), green (3), and blue (2).<\/li><\/ul>Healthy vegetation is green, unhealthy flora is brown. Urban features appear white and grey and water is dark blue or black.<ul><li>\u5047\u5f69\u8272(5,4,3)<br>It uses near-infrared (5), red (4), and green (3).<\/li><\/ul>Because chlorophyll reflects near-infrared light, this band composition is useful for analyzing vegetation. In particular, areas in red have better vegetation health. Dark areas are water and urban areas are white.<ul><li>\u77ed\u6ce2\u7ea2\u5916(7,6,4)<br>The short-wave infrared band combination uses SWIR-2 (7), SWIR-1 (6), and red (4).<br>\u8fd9\u79cd\u7ec4\u5408\u4ee5\u7eff\u8272\u9634\u5f71\u663e\u793a\u690d\u88ab\u3002<br>\u9ad8\u5bc6\u5ea6\u690d\u88ab\uff1a\u6df1\u7eff\u8272\u9634\u5f71<br>\u7a00\u758f\u690d\u88ab \uff1a\u6d45\u7eff\u8272\u9634\u5f71<br>\u57ce\u5e02\u5730\u8868\uff1a \u84dd\u8272<br>\u571f\u58e4\uff1a \u5404\u79cd\u6df1\u6d45\u7684\u68d5\u8272<br>This composite displays vegetation in shades of green. While darker shades of green indicate denser vegetation, sparse vegetation has lighter shades. Urban areas are blue and soils have various shades of brown.<\/li><li>\u519c\u4e1a(6,5,4)<br>This band combination uses SWIR-1 (6), near-infrared (5), and blue (2)<br>\u7531\u4e8e\u4f7f\u7528\u4e86\u77ed\u6ce2\u7ea2\u5916\u548c\u8fd1\u7ea2\u5916\uff0c\u8fd9\u79cd\u7ec4\u5408\u901a\u5e38\u7528\u4e8e\u4f5c\u7269\u76d1\u6d4b\u3002<br>\u5065\u5eb7\u690d\u88ab\uff1a\u6df1\u7eff\u8272<br>\u88f8\u5730\uff1a \u6d0b\u7ea2\u8272\u8272\u8c03<\/li><li>\u5730\u8d28(7,6,2)<br>The geology band combination uses SWIR-2 (7), SWIR-1 (6), and blue (2). This band combination is particularly useful for identifying geological formations, lithology features, and faults.<\/li><\/ul>\u53c2\u8003\u6587\u732e<ol><li><a href=\"https:\/\/gisgeography.com\/landsat-8-bands-combinations\/\">GISGeography<\/a><\/li><li><a href=\"https:\/\/livingatlas2.arcgis.com\/landsatexplorer\/\">Landsat Explorer<\/a><\/li><li><a href=\"https:\/\/gisgeography.com\/spectral-signature\/\">Spectral signature cheatsheet &#8211; spectral bands in RS<\/a><\/li><\/ol>USGS landsat \u4e0b\u8f7d \u7f51\u5740\uff1a<a href=\"https:\/\/earthexplorer.usgs.gov\/\">https:\/\/earthexplorer.usgs.gov\/<\/a> \u9996\u5148\u9700\u8981\u6ce8\u518c\u8d26\u6237\uff0c\u7ecf\u6d4b\u8bd5\uff0c\u6700\u597d\u7528 gmail \u90ae\u7bb1\u6ce8\u518c\uff0cQQ\u90ae\u7bb1\u6216\u56fd\u5185\u5176\u4ed6\u90ae\u7bb1\u6536\u4e0d\u5230\u6ce8\u518c\u786e\u8ba4\u90ae\u4ef6\uff0c\u4e5f\u53ef\u80fd\u662f\u4e0d\u7ed9\u8fd9\u4e9b\u90ae\u7bb1\u53d1\u6ce8\u518c\u786e\u8ba4\u4fe1\u606f\u3002 Gmail \u5f88\u5feb\u4f1a\u6536\u5230\u786e\u8ba4\u90ae\u4ef6\uff0c\u7136\u540e\u5206\u522b<br>1.\u70b9\u51fb\u5de6\u4fa7 <code>Search Criteria<\/code>, \u8bbe\u7f6e\u641c\u7d22\u6761\u4ef6\uff1b \u9996\u5148\u9009\u62e9\u7814\u7a76\u533a\u57df\u3002\u7814\u7a76\u533a\u57df\u7684\u5212\u5b9a\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f9d\u636e\u5730\u7406\u540d\u79f0\u9009\u5b9a\u7814\u7a76\u533a\u57df\uff0c\u4e5f\u53ef\u4ee5\u5728\u53f3\u4fa7\u5730\u56fe\u4e2d\u624b\u52a8\u5212\u5b9a\u7814\u7a76\u533a\u57df\uff0c\u8fd8\u53ef\u4ee5\u4e0a\u4f20\u81ea\u5df1\u7684.kmz\u6587\u4ef6\u6216Shapefile\u6587\u4ef6\u7b49\u7b49\u3002<br><img decoding=\"async\" src=\"\/pic\/usgsdown1.png\" alt=\"img\"> \u9009\u62e9\u9700\u8981\u4e0b\u8f7d\u7684\u9065\u611f\u5f71\u50cf\u65f6\u95f4\u8303\u56f4\u3002 <img decoding=\"async\" src=\"\/pic\/usgsdown2.png\" alt=\"img\"> \u8fd8\u53ef\u4ee5\u518d\u9009\u62e9\u5bf9\u5e94\u7684\u9065\u611f\u5f71\u50cf\u4e91\u8986\u76d6\u5ea6\u9608\u503c\u3002 <img decoding=\"async\" src=\"\/pic\/usgsdown3.png\" alt=\"img\"> 2.\u70b9\u51fb<code>Data Sets<\/code>\uff0c\u9009\u62e9\u8981\u4e0b\u8f7d\u7684\u6570\u636e\uff1b <img decoding=\"async\" src=\"\/pic\/usgsdown4.png\" alt=\"img\"> \u8fd9\u91cc\u9009\u62e9\u4e86Landsat 5\uff0cLandsat 7\uff0c8,9 \u6570\u636e\u7c7b\u578b 3.\u5728\u9644\u52a0\u6761\u4ef6\u4e2d\u8fc7\u6ee4\u6570\u636e\uff08\u53ef\u9009\uff09\uff1b 4.\u9009\u62e9\u7ed3\u675f\u540e\uff0c\u8fdb\u5165<code>Results<\/code> \u9009\u9879\u5361\u4e2d \u8fdb\u5165\u4e00\u4e2a\u641c\u7d22\u7b49\u5f85\u754c\u9762\uff0c\u7b49\u5f85\u7ed3\u675f\uff0c\u53ef\u4ee5\u770b\u5230\u7ed3\u679c\u3002\u5982\u679c\u6211\u4eec\u9009\u62e9\u4e86\u591a\u79cd\u536b\u661f\u4f20\u611f\u5668\u5bf9\u5e94\u7684\u9065\u611f\u5f71\u50cf\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u5728\u4e0b\u56fe\u4e2d\u7684\u7ea2\u8272\u6846\u5185\u8fdb\u884c\u4e0b\u62c9\u52fe\u9009\u3002\u7531\u4e0b\u56fe\u53ef\u4ee5\u770b\u5230\uff0cLandsat 5 \u5bf9\u5e94\u7684\u641c\u7d22\u7ed3\u679c\u5171\u6709 49 \u5f20\u5f71\u50cf\u3002 <img decoding=\"async\" src=\"\/pic\/usgsdown5.png\" alt=\"img\"> \u53c2\u8003\u6765\u6e90\uff1a<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/454521180\">\u77e5\u4e4e<\/a> USGS \u6279\u91cf\u4e0b\u8f7d\u9065\u611f\u5f71\u50cf \u5982\u679c\u8981\u6279\u91cf\u5c06\u8fd9 49 \u5f20Landsat 5\u9065\u611f\u5f71\u50cf\u8fdb\u884c\u4e0b\u8f7d\uff0c\u70b9\u51fb\u4e0b\u56fe\u4e2d\u7684\u7ea2\u8272\u6846\u5185\u90e8\u5206\uff0c\u5728\u5f39\u51fa\u7684\u7a97\u53e3\u4e2d\u914d\u7f6e\u4efb\u52a1\u540d\u79f0\u4e0e\u7c7b\u578b\uff0c\u5176\u4e2d\u540d\u79f0\u5927\u5bb6\u4f9d\u636e\u9700\u8981\u81ea\u884c\u8bbe\u7f6e\uff0c\u7c7b\u578b\u6211\u4eec\u9009\u62e9\u201cCSV\u201d\uff0c\u70b9\u51fb <code>Creat Export<\/code>,\u968f\u540e\u53ef\u4ee5\u81ea\u884c\u4e0b\u8f7d\uff0c\u4e5f\u4f1a\u6536\u5230\u90ae\u4ef6\u4e0b\u8f7d\u94fe\u63a5\u3002 <img decoding=\"async\" src=\"\/pic\/usgsdown6.png\" alt=\"img\"> \u7136\u540e\uff0c\u5207\u6362\u5230Landsat 7\uff0c\u91cd\u590d\u4e0a\u8ff0\u64cd\u4f5c\u3002 \u70b9\u51fb\u8fdb\u5165\u90ae\u7bb1\u5185\u90e8\u7684\u94fe\u63a5\uff0c\u5373\u53ef\u4e0b\u8f7d\u4e00\u4e2a\u538b\u7f29\u5305\uff1b\u89e3\u538b\u7f29\u540e\uff0c\u91cc\u9762\u5c31\u662f\u4e00\u4e2a.csv\u6587\u4ef6\u3002 <img decoding=\"async\" src=\"\/pic\/usgsdown7.png\" alt=\"img\"> \u6253\u5f00.csv\u6587\u4ef6\uff0c\u5c06\u7b2c\u4e00\u5217\u9664\u4e86\u7b2c\u4e00\u884c\uff08\u8868\u5934\uff09\u4e4b\u5916\u7684\u4fe1\u606f\uff08\u6216\u8005\u7b5b\u9009\u7684\u6570\u636e\uff09\u5168\u90e8\u590d\u5236\u3002\u7c98\u8d34\u5230\u4e00\u4e2a.txt\u6587\u4ef6\u4e2d\uff0c\u5e76\u505a\u597d\u6587\u4ef6\u91cd\u547d\u540d\uff0c\u6587\u4ef6\u540d\u53ea\u8981\u5927\u5bb6\u81ea\u5df1\u8bb0\u5f97\u5373\u53ef\u3002 <img decoding=\"async\" src=\"\/pic\/usgsdown8.png\" alt=\"img\"> \u968f\u540e\uff0c\u8fdb\u5165\u8fd9\u91cc\uff08<a href=\"https:\/\/espa.cr.usgs.gov\">https:\/\/espa.cr.usgs.gov<\/a>\uff09\uff0c\u767b\u5f55\u5e10\u53f7\uff0c\u70b9\u51fb<code>New Order<\/code>\u3002 \u5728 <code>Scene List<\/code>\u4e2d\uff0c\u9009\u62e9\u521a\u521a\u7684.txt\u6587\u4ef6\uff1b\u7b2c\u4e8c\u9879\u9009\u62e9 <code>Input Product Metadata<\/code>\uff0c\u56e0\u4e3a\u6211\u4eec\u6240\u7528\u7684.txt\u6587\u4ef6\u5b9e\u9645\u4e0a\u5b58\u50a8\u7684\u5c31\u662f\u5404\u666f\u9065\u611f\u5f71\u50cf\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002 <img decoding=\"async\" src=\"\/pic\/usgsdown9.png\" alt=\"img\"> <code>Additional Processing<\/code> \u4f9d\u636e\u5927\u5bb6\u7684\u5b9e\u9645\u60c5\u51b5\u52a0\u4ee5\u9009\u62e9\uff0c\u6211\u8fd9\u91cc\u9009\u62e9\u5730\u8868\u53cd\u5c04\u7387\u6587\u4ef6\u3002 \u5176\u4ed6\u4fe1\u606f\u5728\u672c\u6587\u4e2d\u5747\u672a\u52fe\u9009\u3002\u6700\u7ec8\uff0c\u70b9\u51fb\u672b\u5c3e\u7684 <code>Submit<\/code> \u6309\u94ae\uff0c\u63d0\u4ea4\u8ba2\u5355\u3002 \u63d0\u4ea4\u540e\uff0c\u5c06\u4f1a\u51fa\u73b0\u63d0\u4ea4\u6210\u529f\u754c\u9762\u3002\u540c\u65f6\u4e00\u5b9a\u65f6\u95f4\u540e\u5c06\u4f1a\u6536\u5230\u8ba2\u5355\u63d0\u4ea4\u6210\u529f\u7684\u6709\u90ae\u4ef6\u3002\u518d\u7b49\u5f85\u4e00\u5b9a\u65f6\u95f4\uff08\u8fd9\u4e2a\u65f6\u95f4\u53ef\u80fd\u4f1a\u6709\u70b9\u957f\uff09\uff0c\u5c06\u4f1a\u6536\u5230\u4e00\u5c01\u8ba2\u5355\u51c6\u5907\u5b8c\u6210\u7684\u90ae\u4ef6\u3002 \u53c2\u8003\u6587\u732e\uff1a<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/365013945\">\u77e5\u4e4e<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Landsat \u536b\u661f\u6ce2\u6bb5\u8bbe\u8ba1 L&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":382,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[9],"class_list":["post-121","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-6","tag-9"],"_links":{"self":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=121"}],"version-history":[{"count":1,"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts\/121\/revisions"}],"predecessor-version":[{"id":122,"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts\/121\/revisions\/122"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/media\/382"}],"wp:attachment":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}