نتایج جستجو برای: سنجنده avhrr
تعداد نتایج: 2987 فیلتر نتایج به سال:
[1] This work evaluates whether continuity between Advanced Very High Resolution Radiometer (AVHRR) and Moderate Resolution Imaging Spectroradiometer (MODIS) normalized difference vegetation index (NDVI) is achievable for monitoring phenological changes in Alaska. This work also evaluates whether NDVI can detect changes in start of the growing season (SOS) in this region. Six quadratic regressi...
In order to estimate the spatial covariance structure of sea surface temperature (SST) using advanced very high resolution radiometer (AVHRR) satellite data, autocorrelation induced by the sensor itself must be determined and then removed before the correlative properties of SST per se can be found. Sensor-induced autocorrelation arises from (1) partially redundant sampling and (2) a nonideal i...
AdvancedVery HighResolutionRadiometer (AVHRR) data have been extensively used for global land-cover classi cation, but few studies have taken direct and full advantage of the multi-year properties of AVHRR data. This study focused on generating eVective classi cation features from multi-year AVHRR data to improve classi cation accuracy.Three types of features were derived from 12-year monthl...
SomeAVHRR® re detection studies have excluded pixels that exceeded an arbitrary scan angle. This exclusion seems to be based on the distortion of pixels at high scan angles and the well-documented e ects of scan angle on the Normalized Di erence Vegetation Index. However, excluding high scan angle pixels reduces the temporal resolution of an AVHRR ® re detection system, especially at high lat...
A simplified method for estimating the total amount of atmospheric water vapor, , over sea surfaces using NOAA-AVHRR Channels 4 and 5 is presented. This study has been carried out using simulated AVHRR data at 11 and 12 m (with MODTRAN 3.5 code and the TIGR database) and AVHRR, PODAAC, and AVISO databases provided by the Louis Pasteur University (Strasbourg-France), NASA-NOAA, and Météo France,...
The areal and intensity indices of the South China Sea Warm Pool (SCSWP) derived from three datasets, the Advanced Very High Resolution Radiometer (AVHRR), Tropical Rainfall Measuring Mission's Microwave Imager (TMI) and Optimum Interpolation Version 2 (OI.v2) sea surface temperature (SST), are generally consistent with each other at monthly, seasonal and interannual scales. However, the three ...
Abstract Precipitation retrieval is a challenging topic, especially in high latitudes (HL), and current precipitation products face ample challenges over these regions. This study investigates the potential of Advanced Very High-Resolution Radiometer (AVHRR) for snowfall HL using CloudSat radar information machine learning (ML). With all known limitations, AVHRR observations should be considere...
The High Resolution Picture Transmission (HRPT) data of the National Oceanic and Atmospheric Administration (NOAA) series meteorological satellites had been received by SeaSpace ground station located at Ocean University China (OUC). Based on atmospheric radiative transfer model, we obtained NOAA-15/16/17/18/19 Advanced Very Radiometer (AVHRR) sea surface skin temperature (SSTskin) using Bayesi...
[1] Satellite aerosol remote sensing entered a new era with the deployment of advanced satellite imaging instruments such as the Moderate Resolution Imaging Spectroradiometer (MODIS) on the NASA Terra and Aqua satellites. These new instruments provide the opportunity to learn more about aerosol properties than was possible using the simpler NOAA Advanced Very High Resolution Radiometer (AVHRR),...
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