نتایج جستجو برای: terraaqua modis
تعداد نتایج: 7731 فیلتر نتایج به سال:
The Clouds and the Earth’s Radiant Energy System (CERES) project relies on geostationary (GEO) imager derived TOA broadband fluxes and cloud properties to account for the regional diurnal fluctuations between the Terra and Aqua CERES and MODIS measurements. Anchoring the GEO visible calibration to the MODIS reference calibration and stability is critical for consistent fluxes and cloud retrieva...
Leaf area index (LAI) collected in a needle-leaf forest site near Ruokolahti, Finland, during a field campaign in June 14–21, 2000, was used to validate Moderate Resolution Imaging Spectroradiometer (MODIS) LAI algorithm. The field LAI data was first related to 30-m resolution Enhanced Thermal Mapper Plus (ETM+) images using empirical methods to create a high-resolution LAI map. The analysis of...
[1] At present, two Moderate Resolution Imaging Spectroradiometer (MODIS) instruments on board the NASA Terra and Aqua Spacecraft platforms are operational for global remote sensing of the land, ocean, and atmosphere. In this paper, we describe an algorithm for water vapor derivations using several MODIS near-IR channels. The derivations are made over areas that have reflective surfaces in the ...
The monitoring capability of a polarized instrument (POLDER) under high aerosol loading conditions over China is investigated. The aerosol optical thickness (AOT), which infers the aerosol burden, is used to measure the satellite monitoring capabilities. AOT products retrieved from POLDER on low aerosol loading days, and products from a radiometric instrument (MODIS) on high and low aerosol loa...
MODerate resolution Imaging Spectroradiometer (MODIS), a leading heritage sensor in the fleet of Earth Observing System for the National Aeronautics and Space Administration (NASA) is in space orbit on two spacecrafts. They are the Terra (T) and Aqua (A) platforms. Both instruments have successfully continued to operate beyond the 6 year design life time, with the T-MODIS currently functional b...
Çatalca, located on the ridge between the Marmara and the Black Sea, is a rural district of Istanbul having the temperate climate. Landuse involves farming and forestry. This study makes a contribution and revises the applicability of two medium spatial resolution satellite sensors, NOAA AVHRR NDVI and MODIS (Terra) NDVI, for prediction to potential forest resource management in Çatalca distric...
سودمندی و اعتبار داده های ماهواره ای به طور قوی به شرایط جوی وابسته است. گرد و غبارهای جوی، گازها و بویژه حضور ابرها می تواند به طور قابل توجهی بر انرژی بازتابیده از سطح اثر گذاشته و قرائت سنجنده های اپتیکی را با خطا مواجه سازند. پیکسل های آلوده به ابر اغلب بازتابندگی پوشش های زمینی را افزایش داده و دمای آن ها را پایین تر از مقدار واقعی خود نشان می دهند. ابرهای کوچک تر از ابعاد پیکسل که قابل م...
هدف این مطالعه، مقایسه نقشه های کاربری اراضی تولیدی با داده های دو سنجنده irs-wifs و modis در منطقه سمیرم بروجن می باشد. پیش پردازش های مختلف شامل تصحیح هندسی با استفاده از تصاویر موجود از سنجنده irs-wifs مربوط به تاریخ 31 آگوست 2003 و با rmse کمتر از 35/0 برای تصاویر این سنجنده انجام شد و جهت انجام این تصحیح بر روی تصاویر سنجنده modis از تصاویر مربوط به 15/7/1383 استفاده و با rmse کمتر از 5/...
Variation of snow cover area (SCA) in small to large scale catchment can be studied using MODIS snow products on daily to montly time step since the year 2000. However, one of the major problems in applying the MODIS snow products is cloud obscuration which limits the utilization of these products. In the current study, variation of SCA was investigated in Karoun basin, western part of Iran, us...
Autumn senescence progresses over several weeks during which leaves change their colors. The onset of leaf coloring and its progression have environmental and economic consequences, however, very few efforts have been devoted to monitoring regional foliage color change in autumn using remote sensing imagery. This study aimed to monitor the progression of autumn phenology using satellite remote ...
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