{
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  "title": "卫星(MODIS)观测的热点和火灾活动",
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  "description": "<font size='2'><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'>地图显示了过去48小时MODIS卫星探测到的热活动。<\/span><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'><a href='https://earthdata.nasa.gov/earth-observation-data/near-real-time/firms/active-fire-data' target='_blank' rel='nofollow ugc noopener noreferrer'>MODIS全球火灾<\/a>是美国宇航局<a href='https://earthdata.nasa.gov/esds' target='_blank' rel='nofollow ugc noopener noreferrer'>地球观测系统数据和信息系统<\/a>(EOSDIS)的产品，是美国宇航局<a href='https://science.nasa.gov/earth-science/earth-data/' target='_blank' rel='nofollow ugc noopener noreferrer'>地球科学数据<\/a>的一部分。<\/span><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'>EOSDIS集成了遥感和GIS技术，为世界各地的自然资源管理者和其他利益相关者提供全球MODIS热点/火灾位置。<\/span><\/font><div style='text-align: justify;'><font color='#333333' face='Arial, Microsoft YaHei, 5FAE软雅黑, 5B8B体, Malgun Gothic, Meiryo, sans-serif' size='2'><span style='background-color: rgb(247, 248, 250);'>来源：<\/span><\/font><\/div><div style='text-align: justify;'><ul><li><font size='2'><span style='font-family: &quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; text-align: start; background-color: rgb(255, 255, 255);'>NASA <\/span><a href='https://firms.modaps.eosdis.nasa.gov/active_fire/#firms-shapefile' style='color: rgb(0, 121, 193); text-decoration-line: none; font-family: &quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; text-align: start; background-color: rgb(255, 255, 255);' target='_blank' rel='nofollow ugc noopener noreferrer'>FIRMS - Active Fire Data - for World<\/a><\/font><\/li><\/ul><div><font size='2'>比例/分辨率：<\/font><\/div><div><ul><li><font size='2'>1km<\/font><\/li><\/ul><div><font size='2'>更新频率：<\/font><\/div><\/div><div><ul><li><font size='2'>1/2小时（30分钟）<\/font><\/li><\/ul><div><font size='2'>覆盖范围：<\/font><\/div><\/div><div><ul><li><font size='2'>全球<\/font><\/li><\/ul><div><font size='2'>附加信息：<\/font><\/div><\/div><div><font size='2'><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; text-align: start; background-color: rgb(255, 255, 255);'>MODIS是<a href='https://earthdata.nasa.gov/earth-observation-data/near-real-time/download-nrt-data/modis-nrt' target='_blank' rel='nofollow ugc noopener noreferrer'>中分辨率成像光谱仪<\/a>的缩写。MODIS仪器安装在美国宇航局的地球观测系统<a href='https://terra.nasa.gov/' target='_blank' rel='nofollow ugc noopener noreferrer'>Terra (EOS AM)<\/a>和<a href='https://aqua.nasa.gov/' target='_blank' rel='nofollow ugc noopener noreferrer'>Aqua (EOS PM)<\/a>卫星上。Terra卫星的轨道在早上从北到南穿过赤道，下午Aqua从南到北越过赤道，以致每1到2天覆盖<\/span><span style='background-color: rgb(255, 255, 255); color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; text-align: start;'>全球<\/span><span style='background-color: rgb(255, 255, 255); color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; text-align: start;'>一次。EOS卫星的扫描模式为±55度，轨道为705公里，条带宽度为2330公里。<\/span><\/font><\/div><div><span style='background-color: rgb(255, 255, 255); color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; text-align: start;'><font size='2'><br /><\/font><\/span><\/div><div><font size='2'><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; text-align: start; background-color: rgb(255, 255, 255);'>卫星过境后，<\/span><span style='background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 微软雅黑; text-align: left;'>MODIS需要大约2-4个小时的快速响应来处理数据，并由<\/span><a href='https://earthdata.nasa.gov/earth-observation-data/near-real-time/firms' target='_blank' rel='nofollow ugc noopener noreferrer'>消防信息资源管理系统<\/a><span style='background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 微软雅黑; text-align: left;'>（公司）来更新网站。有时，硬件故障意味着处理数据的时间比2-4小时长。有关MODIS系统状态的更多信息可在<\/span><a href='https://earthdata.nasa.gov/earth-observation-data/near-real-time/rapid-response' target='_blank' rel='nofollow ugc noopener noreferrer'>MODIS快速响应<\/a><span style='background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 微软雅黑; text-align: left;'>中找到。<\/span><\/font><\/div><div style='text-align: left;'><font color='#333333' face='微软雅黑' size='2'><span style='background-color: rgb(255, 255, 255);'>属性信息：<\/span><\/font><\/div><div style='text-align: left;'><ul><li><font size='2'><span style='color: rgb(51, 51, 51); font-family: 微软雅黑; background-color: rgb(255, 255, 255);'>纬度和经度：标记为包含一个或多个火灾/热点（火灾大小不是1公里，而是可变的）的1公里（约）像素的中心点位置。看看<\/span><a href='https://earthdata.nasa.gov/faq/firms-faq#ed-modis-fire-onground' target='_blank' rel='nofollow ugc noopener noreferrer'>热点/火灾探测在地面上意味着什么？<\/a><\/font><\/li><li><font size='2'><span style='color: rgb(51, 51, 51); font-family: 微软雅黑; background-color: rgb(255, 255, 255);'><a href='https://earthdata.nasa.gov/faq/firms-faq#ed-modis-brightness' target='_blank' rel='nofollow ugc noopener noreferrer'>亮度<\/a>：使用MODIS通道21/22和通道31测量的亮度温度（开氏度）。<\/span><br /><\/font><\/li><li><span style='color: rgb(51, 51, 51); font-family: 微软雅黑; background-color: rgb(255, 255, 255);'><font size='2'><a href='https://earthdata.nasa.gov/faq/firms-faq#ed-modis-scan-track' target='_blank' rel='nofollow ugc noopener noreferrer'>扫描和跟踪<\/a>：扫描像素的实际空间分辨率。虽然该算法的分辨率为1公里，但MODIS像素会朝着扫描边缘变大。看看<a href='https://earthdata.nasa.gov/faq/firms-faq#ed-modis-scan-track' target='_blank' rel='nofollow ugc noopener noreferrer'>扫描和跟踪意味着什么？<\/a><br /><\/font><\/span><\/li><li><font size='2'><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; background-color: rgb(255, 255, 255);'>日期:热点/活动火灾像素采集日期。<\/span><br /><\/font><\/li><li><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; background-color: rgb(255, 255, 255);'><font size='2'>时间：卫星过境时间（UTC）。<br /><\/font><\/span><\/li><li><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; background-color: rgb(255, 255, 255);'><font size='2'><a href='https://earthdata.nasa.gov/faq/firms-faq#ed-modis-missing' target='_blank' rel='nofollow ugc noopener noreferrer'>卫星<\/a>：是被Terra卫星还是Aqua卫星探测到的。<br /><\/font><\/span><\/li><li><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; background-color: rgb(255, 255, 255);'><font size='2'><a href='https://earthdata.nasa.gov/faq/firms-faq#ed-confidence' target='_blank' rel='nofollow ugc noopener noreferrer'>置信度<\/a>：检测置信度是单个热点/活动火力像素的质量标志。<br /><\/font><\/span><\/li><li><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; background-color: rgb(255, 255, 255);'><font size='2'>版本:版本是指数据的处理集合和来源。<span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'>小数点前的数字表示<a href='https://earthdata.nasa.gov/faq/firms-faq#ed-modis-collections' target='_blank' rel='nofollow ugc noopener noreferrer'>采集<\/a>(如MODIS<a href='https://earthdata.nasa.gov/what-is-new-collection-6-modis-active-fire-data' target='_blank' rel='nofollow ugc noopener noreferrer'>采集6<\/a>)，小数点后的数字表示1B级数据的来源;<\/span><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'><a href='https://earthdata.nasa.gov/earth-observation-data/near-real-time/rapid-response' target='_blank' rel='nofollow ugc noopener noreferrer'>MODIS快速响应<\/a>处理的近实时数据将有源代码\u201c采集号.<\/span><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'>0\u201d。<\/span><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'>数据来源于<a href='https://firms.modaps.eosdis.nasa.gov/download/' target='_blank' rel='nofollow ugc noopener noreferrer'>MODAPS<\/a>(滞后2个月)，由公司使用标准MOD14/MYD14热异常算法处理，数据将有一个源代码\u201c采集号.<\/span><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'>x\u201d。<\/span><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'>例如，版本为5.0的数据是采集5，由MRR处理；版本为5.1的数据是采集5，由MODAPS中的Level 1B数据处理。<\/span><br /><\/font><\/span><\/li><li><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; background-color: rgb(255, 255, 255);'><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'><font size='2'>明亮.T31：热点/活跃火灾像素的通道31亮度温度(单位为Kelvins)。<br /><\/font><\/span><\/span><\/li><li><span style='color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 17.9875px; background-color: rgb(255, 255, 255);'><span style='box-sizing: border-box; min-height: 26px; line-height: 25.9875px; color: rgb(51, 51, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; text-align: justify; background-color: rgb(247, 248, 250);'><font size='2'>FRP：火灾辐射力。描述像素集成的火灾辐射功率为MW(兆瓦)。FRP提供了被探测到的火灾的辐射热输出的测量信息。单位时间内所释放的辐射热量(火灾辐射功率)被认为与燃料的消耗速率有关(Wooster et. al.(2005))。<br /><\/font><\/span><\/span><\/li><\/ul><div style='text-align: justify;'><font size='2'><span style='color: rgb(46, 48, 51); font-family: &quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-align: start; background-color: rgb(255, 255, 255);'>此地图仅供参考，非全天候监控<\/span><\/font><span style='background-color: rgb(255, 255, 255); color: rgb(46, 48, 51); font-family: Arial, &quot;Microsoft YaHei&quot;, 微软雅黑, 宋体, &quot;Malgun Gothic&quot;, Meiryo, sans-serif; font-size: small; text-align: left;'>，不能确保准确性和及时性<\/span><span style='font-size: small; color: rgb(46, 48, 51); font-family: &quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-align: start; background-color: rgb(255, 255, 255);'>。该数据资源转自ArcGIS Online的<\/span><a href='https://www.arcgis.com/home/item.html?id=b8f4033069f141729ffb298b7418b653' style='font-size: small; text-align: left;' target='_blank' rel='nofollow ugc noopener noreferrer'>Satellite (MODIS) Thermal Hotspots and Fire Activity<\/a><span style='font-size: small;'>。<\/span><\/div><\/div><\/div>",
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  "snippet": "NASA Aqua和Terra卫星上的MODIS传感器在过去48小时内探测到的热活动。",
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