نتایج جستجو برای: modis sensors

تعداد نتایج: 100953  

2008
Jie Guang Yong Xue Xiaowen Li Linyan Bai Ying Wang Yingjie Li Wei Wan Jianping Guo

Aerosol particles play an important role in many atmospheric processes and affect global energy budget since they absorb and scatter solar radiation. In addition, aerosol particles take part in many heterogeneous chemical reactions and have adverse effects on human health. Retrieval of aerosol optical thickness (AOT) over bright land is still a challenging and imperative problem due to the comp...

Journal: :Remote Sensing 2015
Yinghui Liu Jeffrey Key Mark Tschudi Richard Dworak Robert Mahoney Daniel Baldwin

Continuous monitoring of the surface temperature is critical to understanding and forecasting Arctic climate change; as surface temperature integrates changes in the surface energy budget. The sea-ice surface temperature (IST) has been measured with optical and thermal infrared sensors for many years. With the IST Environmental Data Record (EDR) available from the Visible Infrared Imaging Radio...

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...

2004
J.-J. LIU Z. LI Y.-L. QIAO Y.-X. ZHANG

Given that many operational satellite sensors are not calibrated, while a handful of research sensors are, cross-calibration between the two types of sensor is a cost-effective means of calibration. A new method of sensor crosscalibration is demonstrated here using the Chinese Multi-channel Visible Infrared Scanning radiometer (MVIRS) and the US Moderate Resolution Imaging Spectrometer (MODIS)....

2006
Swarvanu Dasgupta John J. Qu

Research has shown that remote sensing in both the optical and microwave domain has the capability of estimating vegetation water content (VWC). Though lower in spatial resolution than MODIS optical bands, AMSR-E microwave measurements are typically less affected by clouds, water vapor, aerosol or solar illumination, making them complementary to MODIS real time measurements over regions of clou...

2008
J. M. Galve

A database of global, cloud-free, atmospheric radiosounding profiles was compiled with the aim of simulating radiometric measurements from satellite-borne sensors in the thermal infrared. The objective of the simulation was to use Terra/Moderate Resolution Imaging Spectroradiometer (MODIS) and Envisat/Advanced Along Track Scanning Radiometer (AATSR) data to generate split-window (SW) and dual-a...

Journal: :Remote Sensing 2017
Seyed Kazem Alavipanah Qihao Weng Mehdi Gholamnia Reza Khandan

In many disciplines, knowledge on the accuracy of Land Surface Temperature (LST) as an input is of great importance. One of the most efficient methods in LST evaluation is cross validation. Well-documented and validated polar satellites with a high spatial resolution can be used as references for validating geostationary LST products. This study attempted to investigate the discrepancies betwee...

Akhoondzadeh hanzaei, Mahdi , Bazrgar Bajestani, Alireza ,

Land Surface Temperature (LST) is one of the most important physical and climatological  crucial yet variable parameter in environmental phenomena studies such as, soil moisture conditions, urban heat island, vegetation health, fire risk for forest areas and heats effects on human’s health. These studies need to land surface temperature with high spatial and temporal resolution. Remote sensing ...

2012
K. Andrea Scott Tom Carrieres

In this paper, sea ice thickness values are calculated for a region along the east coast of Canada using data from two sensors representative of those available for operational data assimilation. Data from the first sensor, the Moderate Resolution Imaging Spectroradiometer (MODIS), is used to calculate the ice thickness using a heat balance equation. Relationships between the MODIS ice thicknes...

Journal: :PLoS ONE 2008
Jörn P. W. Scharlemann David Benz Simon I. Hay Bethan V. Purse Andrew J. Tatem G. R. William Wint David J. Rogers

BACKGROUND Remotely-sensed environmental data from earth-orbiting satellites are increasingly used to model the distribution and abundance of both plant and animal species, especially those of economic or conservation importance. Time series of data from the MODerate-resolution Imaging Spectroradiometer (MODIS) sensors on-board NASA's Terra and Aqua satellites offer the potential to capture env...

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