The Moderate Resolution Imaging Spectroradiometer (MODIS) MCD43A4 Version 6 Nadir Bidirectional Reflectance Distribution Function (BRDF)-Adjusted Reflectance (NBAR) dataset is produced daily using 16 days of Terra and Aqua MODIS data at 500 meter (m) resolution.

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5 dec. 2016 — från instrumentet Modis (MODerate resolution Imaging Spectrometer), som finns ombord på Nasas satellit Terra, har forskarna observerat att 

MODIS Overflight Times; Aqua. Terra. Documentation ; Moderate Resolution Imaging Spectroradiometer (MODIS) SeaWiFS Project - Homepage ; Product Level 1, 2, & 3 Version 5.5 Terra MODIS NPP products are validated to stage 3. This means that its accuracy was assessed and uncertainties in the product were well established via independent measurements made in a systematic and statistically robust way that represents global conditions. MCD18A2 is the short-name for the Level-3 (L3) Terra and Aqua combined MODIS-derived photosynthetically active radiation (PAR) product in the shortwave spectrum (0.4 µm – 0.7 µm). PAR, the primary science dataset (SDS) offered by this product is the solar radiation incident on the surface in the 0.4 µm – 0.7 μm spectral window, which is primarily used by organisms in the photosynthesis from Terra MODIS tile h12v04. A point on the red-NIR plane and an area about it (yellow ellipse defined by a "# distribution) are treated as the measured BRF at a given sun-sensor geometry and its uncertainty.

Modis terra

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MODIS/Terra Surface Reflectance 8-Day L3 Global 500m SIN Grid V061 The Moderate Resolution Imaging Spectroradiometer (MODIS) Terra MOD09A1 Version 6.1 product provides an estimate of the surface spectral reflectance of Terra MODIS Bands 1 through 7 corrected for atmospheric conditions such as gasses, aerosols, and Rayleigh scattering. Specifications. Orbit: 705 km, 10:30 a.m. descending node (Terra) or 1:30 p.m.

The MODIS instrument is operating on both the Terra and Aqua spacecraft. It has a viewing swath width of 2,330 km and views the entire surface of the Earth every one to two days.

Terra is an international mission carrying instruments from the United States, Japan, and Canada. Por su parte, Carlos Pérez, director de Modis Life Science, 

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5 dec. 2016 — från instrumentet Modis (MODerate resolution Imaging Spectrometer), som finns ombord på Nasas satellit Terra, har forskarna observerat att 

Modis terra

Terra circles a morning orbit  Normalized difference vegetation index (NDVI) from the moderate resolution imaging spectroradiometer (MODIS) data aboard Terra satellite reflect plant growth.

Collection-5 MODIS/Terra FPAR products are Validated Stage 1, meaning that accuracy has been estimated using a small number of independent measurements obtained from selected locations and time periods and ground-truth/field program efforts. Although there may be later improved versions, these data are ready for use in scientific publications. MCD19A1 represents a daily L2 gridded (L2G) land surface bidirectional reflectance factor (BRF) product created using both Terra and Aqua MODIS data inputs. Based on the Multi-Angle Implementation of Atmospheric Correction (MAIAC) algorithm, it atmospherically corrects MODIS data for both gases and aerosols. To get a better estimate of the actual number of trees on Earth, researchers combined data from multiple vegetation indexes, including the Enhanced Vegetation Index (EVI) from the Moderate Imaging Spectroradiometer (MODIS) onboard Terra, with actual tree counts for over 430,000 hectares from 14 different biomes on Earth (there is an estimated 4 million hectares of forested land on Earth). MODIS/Terra Net Primary Production Yearly L4 Global 1km SIN Grid V055 The MOD17A3.055 dataset was decommissioned on April 6, 2020.
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Modis terra

TTTTTTTTTTTTTTTT. Inv. RVS. 1.005. Materialet baserar sig på bilder från satelliterna NOAA AVHRR (NOAA), TERRA/​AQUA MODIS (NASA), ENVISAT MERIS (ESA), RADARSAT (CSA) eller  Oct 14, 2015 - Welcome to NASA Earth Observations, where you can browse and download imagery of satellite data from NASAs Earth Observing System.

When it was created in 2001, Rapid Response was designed to provide images created from Terra MODIS data shortly after a satellite overpass. These static images met the needs of the U.S. Forest Service, the National Interagency Fire Center, and other federal and state users. Terra MODIS and Aqua MODIS are viewing the entire Earth's surface every 1 to 2 days, acquiring data in 36 spectral bands, or groups of wavelengths (see MODIS Technical Specifications).
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The instruments capture data in 36 spectral bands ranging in wavelength from 0.4 μm to 14.4 μm and at varying spatial resolutions MOD09A1.006 Terra Surface Reflectance 8-Day Global 500m: The MOD09A1 V6 product provides an estimate of the surface spectral reflectance of Terra MODIS bands 1-7 at 500m resolution and corrected for atmospheric conditions such as gasses, aerosols, and Rayleigh scattering. It is designated with a shortname beginning with MCD, which is used to refer to 'combined' products, those comprised of data using both Terra and Aqua. Note that the V006 MODIS MCD43 products are retrieved daily and represent the best BRDF possible based on 16 days worth of inputs with the day of interest emphasized. 2021-04-07 MODIS Ocean Data Processing; MODIS Presentations: Current Status of MODIS (Terra and Aqua).


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The US provided the spacecraft, the launch, and three instruments developed by NASA (CERES, MISR, MODIS). Japan provided ASTER and Canada MOPITT.

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