植被土壤内部含水量怎么测？我国首次开展这个试验
2024-08-02 13:58:49
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<p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;">近日，中国科学院国家空间科学中心和空天信息创新研究院等单位组成的科研团队，在滦河流域联合开展遥感试验，这是<span style="box-sizing: border-box; font-weight: bold; font-style: inherit;">国际上首次基于航空平台开展的“土壤—植被—大气”连续体水分透视遥感试验</span>，为促进生态涵养、践行绿色发展提供了先进技术手段。</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;"><span style="box-sizing: border-box; font-weight: bold; font-style: inherit;">精准捕捉植被土壤内部含水量</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;">据介绍，滦河流域是由山地、河流、森林、农田、湖泊、草地、沙地等诸多要素构成的复杂生态系统，是探索和验证先进遥感技术的理想场所。</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;"><span style="box-sizing: border-box; background: rgb(249, 249, 249); padding: 15px; text-align: center; text-indent: initial; display: block; margin-bottom: 30px;"><img src="https://ccgbdst-ceshi.eos-wuxi-1.cmecloud.cn/1722577561088083429.jpg" style="box-sizing: border-box; height: auto; width: inherit; border: none; max-width: 100%; vertical-align: top;"></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;">此次试验，科研团队利用国家重大科技基础设施——航空遥感系统对塞罕坝、御道口等地的森林、农田和草地等实施了精准观测。航空遥感系统是以新舟60飞机为基础、综合集成六种对地观测窗口的国家级航空遥感系统，是我国目前综合能力最强的航空遥感平台。</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;"><span style="box-sizing: border-box; background: rgb(249, 249, 249); padding: 15px; text-align: center; text-indent: initial; display: block; margin-bottom: 30px;"><img src="https://ccgbdst-ceshi.eos-wuxi-1.cmecloud.cn/1722577561488063146.jpg" style="box-sizing: border-box; height: auto; width: inherit; border: none; max-width: 100%; vertical-align: top;"></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;">本次试验搭载了我国最新自主研制的一维综合孔径微波辐射计，相比传统微波辐射计具有更高的空间分辨率，能够精准捕捉植被和土壤内部的含水量。</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;"><span style="box-sizing: border-box; font-weight: bold; font-style: inherit;">提升农业节水灌溉效果 促进水利防灾减灾</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;"><span style="box-sizing: border-box; background: rgb(249, 249, 249); padding: 15px; text-align: center; text-indent: initial; display: block; margin-bottom: 30px;"><img src="https://ccgbdst-ceshi.eos-wuxi-1.cmecloud.cn/1722577561788009619.jpg" style="box-sizing: border-box; height: auto; width: inherit; border: none; max-width: 100%; vertical-align: top;"></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;">通过本次试验数据，能够帮助科研人员进一步理解作物水分利用策略和效率，提升农业节水灌溉效果；认识森林水源涵养和调蓄功能，促进水利防灾减灾。</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 30px; padding: 0px; font-size: 18px; color: rgb(38, 38, 38); line-height: 1.778; letter-spacing: 1px; text-indent: 36px; word-break: break-word; text-align: justify; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial; text-wrap: wrap;">同时，该试验也将<span style="box-sizing: border-box; font-weight: bold; font-style: inherit;">为陆地水资源卫星、海洋盐度探测卫星等国产卫星的新型载荷观测数据处理和创新应用提供技术支撑</span>。</p><p style="text-align: right;">来源：央视新闻客户端</p>