نتایج جستجو برای: avhrr

تعداد نتایج: 1310  

2007
N. Li S. P. Shang S. L. Shang C. Y. Zhang

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 ...

Journal: :Journal of Hydrometeorology 2021

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...

Journal: :Remote Sensing 2023

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...

2005
Tom X.-P. Zhao Istvan Laszlo Patrick Minnis Lorraine Remer

[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),...

2005
M. R. Patrick J. Dehn K. Dean

[1] Throughout February and March 1997, Okmok Volcano, in the eastern Aleutian Islands of Alaska, erupted a 6-km-long lava flow of basaltic 0a0a within its caldera. In the first part of the study a numerical model for lava flow cooling was developed by Patrick et al. and applied to the flow to better understand the nature of its cooling. In this second part of the study, the model predictions f...

پایان نامه :دانشگاه رازی - کرمانشاه - دانشکده ادبیات و علوم انسانی 1393

استان کردستان یکی از استان های سردسیر کشور است که وقوع یخبندان در آن فعالیت های مختلف انسانی و نیز فرایندهای زیستی را تحت تأثیر قرار می دهد. با مطالعه دقیق این پدیده می توان به کاهش خسارات آن در بخش های مختلف کمک کرد. تصاویر ماهواره ای به دلیل پیوستگی و تکرارپذیری داده های آن می تواند روش مناسبی برای مطالعه یخبندان باشد. در تحقیق حاضر با استفاده از تصاویر سنجنده avhrr به بررسی یخبندان های شبانه...

2007
Aisheng Wu Zhanqing Li Josef Cihlar

The objectives of the study are (1) to examine the effects of land cover type, green biomass, and solar zenith angle (SZA) on the bidirectional reflectance distributions (BRDs) of the visible and near-infrared advanced very high resolution radiometer (AVHRR) data from NOAA 11 over terrestrial surfaces; and (2) to correct for these effects by developing BRD functions (BRDF). Four land cover type...

2012
Hira Jannat Butt

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...

2000
P. CAYROL L. KERGOAT G. DEDIEU A. CHEHBOUNI

Models simulating the seasonal growth of vegetation have been recently coupled to soil–vegetation–atmosphere transfer schemes (SVATS). Such coupled vegetation–SVATS models (V–S) account for changes of the vegetation leaf area index (LAI) over time. One problem faced by V–S models is the high number of parameters that are required to simulate different sites or large areas. Therefore, efficient ...

Journal: :Remote Sensing 2012
He Yin Thomas Udelhoven Rasmus Fensholt Dirk Pflugmacher Patrick Hostert

Detailed information from global remote sensing has greatly advanced our understanding of Earth as a system in general and of agricultural processes in particular. Vegetation monitoring with global remote sensing systems over long time periods is critical to gain a better understanding of processes related to agricultural change over long time periods. This specifically relates to sub-humid to ...

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