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基于光谱特征分析的MODIS影像去云算法的研究
光谱特征分析 MODIS 云影响增强 去云
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2013/11/5
云处理是遥感图像处理的重要步骤，提出了一种新的基于光谱特征分析的MODIS影像去云算法——首先分析云和云影地域的光谱特征，总结出云影响增强模型，计算一定周期内多时相遥感影像中云影响最小的影像的索引矩阵；为了进行图像之间的匹配，选择这些影像数据中云影响最小的一幅影像作为基准图像，对于无云的部分地域，对其余影像进行一元线性回归分析；利用提取的索引矩阵和图像之间的回归模型，通过像元替换方法，可以获得去除...
Commentary on comparison of MODIS snow cover and albedo products with ground observations over the mountainous terrain of Turkey
snow water equivalent MODerate-resolution Imaging Spectroradiometer automated weather operating stations
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2009/5/12
The MODerate-resolution Imaging Spectroradiometer (MODIS) snow cover product was evaluated by Parajka and Blösch (2006) over the territory of Austria. The spatial and temporal variability of the...
Commentary on comparison of MODIS snow cover and albedo products with ground observations over the mountainous terrain of Turkey
MODerate-resolution Imaging Spectroradiometer snow water equivalent automated weather operating stations
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2009/5/8
The MODerate-resolution Imaging Spectroradiometer (MODIS) snow cover product was evaluated by Parajka and Blösch (2006) over the territory of Austria. The spatial and temporal variability of the ...
Topographic control of snow distribution in an alpine watershed of western Canada inferred from spatially-filtered MODIS snow products
snow cover fraction Quesnel River Basin snow cover duration
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2009/4/28
A spatial filter (SF) is used to reduce cloud coverage in Moderate Resolution Imaging Spectroradiometer (MODIS) 8-day maximum snow cover extent products (MOD10A2) from 2000–2007, which are obtained fr...
Aerosol seasonal variability over the Mediterranean region and relative impact of maritime, continental and Saharan dust particles over the basin from MODIS data in the year 2001
Aerosol seasonal variability Mediterranean region continental and Saharan dust particles
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2009/3/10
The one-year (2001) record of aerosol data from the space borne Moderate Resolution Imaging Spectroradiometer (MODIS) is analyzed focusing on the Mediterranean region. The MODIS aerosol optical thickn...
利用MODIS影像和气候数据模拟中国内蒙古温带草原生态系统总初级生产力
总初级生产力 遥感 锡林郭勒
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2009/3/3
温带草原生态系统与大气间的碳交换通量受到降水和土壤水分可利用性的强烈影响, 时空变化显著. 所以, 整合卫星遥感和田间通量观测成为准确刻画中国北方内蒙古温带草原生态系统区域碳循环动态的重要基础. 基于涡度相关通量观测系统提供的生态系统与大气间的碳交换通量数据, 研究发现: 对于内蒙古锡林郭勒温带草原试验站, 遥感增强植被指数(EVI)与植被总初级生产力(GPP)的相关关系强于归一化植被指数(NDV...
Using MODIS derived fPAR with ground based flux tower measurements to derive the light use efficiency for two Canadian peatlands
MODIS derived fPAR flux tower measurements light use efficiency Canadian peatlands
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2010/1/19
We used satellite remote sensing data; fraction of photosynthetically active radiation absorbed by vegetation (fPAR) from the Moderate Resolution Imaging Spectroradiometer (MODIS) in combination with ...
Global estimation of burned area using MODIS active fire observations
Global estimation burned area MODIS active fire
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2009/1/5
We present a method for estimating monthly burned area globally at 1° spatial resolution using Terra MODIS data and ancillary vegetation cover information. Using regression trees constructed for 14 di...
Constraining the total aerosol indirect effect in the LMDZ and ECHAM4 GCMs using MODIS satellite data
aerosol indirect effect LMDZ ECHAM4 GCMs MODIS satellite data
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2009/1/5
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
Aerosol direct radiative effect at the top of the atmosphere over cloud free ocean derived from four years of MODIS data
Aerosol direct radiative effect top of the atmosphere cloud free ocean MODIS data
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2008/12/30
A four year record of MODIS spaceborne data provides a new measurement tool to assess the aerosol direct radiative effect at the top of the atmosphere. MODIS derives the aerosol optical thickness and ...
Global statistics of liquid water content and effective number concentration of water clouds over ocean derived from combined CALIPSO and MODIS measurements
liquid water content effective number concentration water clouds CALIPSO MODIS
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2008/12/12
This study presents an empirical relation that links the volume extinction coefficients of water clouds, the layer integrated depolarization ratios measured by lidar, and the effective radii of water...
Aerosol-cloud interaction inferred from MODIS satellite data and global aerosol models
Aerosol-cloud interaction MODIS satellite data global aerosol models
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2008/12/12
We have used the MODIS satellite data and two global aerosol models to investigate the relationships between aerosol optical depth (AOD) and cloud parameters that may be affected by the aerosol concen...
利用MODIS光学厚度遥感产品研究北京及周边地区的大气污染
气溶胶光学厚度 大气污染 能见度
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2008/10/14
对2001年在北京地区利用太阳光度计观测的气溶胶光学厚度和NASA发布的MODIS气溶胶产品进行了比较,验证了这一卫星遥感产品的可靠性;比较了2001年MODIS气溶胶光学厚度(AOD)产品和由空气污染指数(API)计算的每日平均可吸入颗粒物(PM10)浓度,得到了比较高的相关系数,证实该气溶胶产品可用于污染分析.将北京地区AOD与气象能见度观测资料进行比较,得到了不同季节的气溶胶"标高".利用统...
基于GPS和MODIS的ENVISAT ASAR数据干涉测量中大气改正方法研究
全球定位系统 雷达干涉测量 分辨率成像光谱仪 大气改正 天顶湿延迟
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2013/11/7
GPS数据用于改正InSAR中大气延迟误差的方法受GPS站点密度的限制，只利用有限的几个站点所观测到的大气数据来生成干涉图的大气改正图，往往达不到很好的效果.本文研究利用GPS与MODIS数据的联合使用来生成大气改正图，首先用GPS数据对MODIS水汽产品进行分块校准，并且对MODIS水汽数据进行了空间结构函数分析，得到研究区域内水汽场的空间分布规律.然后把这种区域水汽场的空间分布信息结合到Kri...
MODIS资料用于塔克拉玛干沙漠地表温度计算方法初探
MODIS 地表温度
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2008/1/18
（中国气象局乌鲁木齐沙漠气象研究所，新疆乌鲁木齐，830002）
用热红外通道的遥感数据计算陆地表面温度是MODIS资料的重要应用之一。陆地表面温度（LST）是表征地球表面能量平衡和气候变化的很好指标，也是研究区域或全球陆地物理过程的关键参数。特别是对于面积广大、人烟罕至的沙漠地区，用遥感资料反演其地表温度更显得非常必要。本文主要介绍MODIS资料用于塔克拉玛干沙漠地表温度的计算方法。
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