|
| 遥感影像反演区域能见度及其与地面空气质量监测数据一致性研究 |
| Scene Visibility Retrieved from Remotely Sensed Image and Its Correspondence with Ground Air QualityM onitoring Data |
| |
| DOI： |
| 中文关键词: |
| 英文关键词: |
| 基金项目:国家科技支撑计划“基于环境一号等国产卫星的环境遥感监测关键技术及软件研究”项目/“基于环境 一号等国产卫星的环境遥感监测应用技术集成与示范研究”课题 /“太湖区 域环境质量综合分析与评价方法研究及环境遥感监测应用示范”专题基金资助项目 (2008BAC34B07- 01) |
|
| 摘要点击次数: 1401 |
| 全文下载次数: 1838 |
| 中文摘要: |
| 简述了基于暗像元和波段反射率比值关系的遥感反演区域能见度的原 理和算法流程 , 以 2010 年获取的11景 WRS119/038 幅江苏省太湖流域 Landsat- 7 ETM影像为数据源 , 在 FLAASH 大气校正软件中, 开展了基于卫星遥感影像的区域能见度信息提取试验, 并与 30 个地面空气自 动监测站的 PM 10 和 1个能见度自动监测站数据进行了对比。结果表明, 在稳定的天气系统和晴朗无云、少云条件下, 卫星遥感反演能见度与地面空气质量自动监测结果有很好的 一致性, 遥感技术可以在区域灰霾的大尺度监测预警中发挥重要的作用。 |
| 英文摘要: |
| Thescenevisibilityretrievalmethod based on dark pixelsand bandratio wasdiscussed and the flow ofthe algorithm waspresented. Underthesupportofatmospheric correction software FLAASH, thescene visibilityretrievalexperimentwere conducted on 11 Landsat 7 ETM images acquired in year2010 which had path/row ID ofWRS119/038 and coveredthesouthernJiangsu province, theretrievedscenevisibility datawere then compared with PM 10 concentration acquired by30 ambientairquality monitoringstationsandthevisibility dataacquired by aground visibility monitoringstation within thescene. Theresultsrevealedthatvisibility re trieved from satelliteremotesensing had verysatisfying agreem entwiththeground airquality monitoring data, hence hasgreatvalueinroutineoperation. Itwasexpectedthatremotesensingtechnologycouldplayamoreim portantroleinthesurveillanceand monitoringoflargescaleregionalhaze. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
