نتایج جستجو برای: modis

تعداد نتایج: 7731  

Journal: :Journal of environmental management 2007
R Liu J M Chen J Liu F Deng R Sun

An operational system was developed for mapping the leaf area index (LAI) for carbon cycle models from the moderate resolution imaging spectroradiometer (MODIS) data. The LAI retrieval algorithm is based on Deng et al. [2006. Algorithm for global leaf area index retrieval using satellite imagery. IEEE Transactions on Geoscience and Remote Sensing, 44, 2219-2229], which uses the 4-scale radiativ...

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...

2003
Y. Tian R. E. Dickinson L. Zhou X. Zeng Y. Dai R. B. Myneni Y. Knyazikhin X. Zhang M. Friedl H. Yu W. Wu M. Shaikh

[1] This paper compares by land cover type seasonal and spatial variations of MODIS leaf area index (LAI) and fraction of photosynthetically active radiation (0.4–0.7 mm) absorbed by vegetation (FPAR) from 2.5 years with those from the Common Land Model (CLM) and investigates possible reasons for notable differences. The FPAR value is mainly determined by LAI in MODIS and both LAI and stem area...

2007
Zhengming Wan

This paper discusses the lessons learned from analysis of the Moderate Resolution Imaging Spectroradiometer (MODIS) Land-Surface Temperature/Emissivity (LST) products in the current (V4) and previous versions, and presents eight new refinements for V5 product generation executive code (PGE16) and the test results with real Terra and Aqua MODIS data. The major refinements include considering sur...

2014
Delan Xiong

Since the remote sensing data of MODIS has some advantages of short detection period, wide coverage and open access, it is suitable for large-scale, dynamic agricultural remote sensing monitoring. According to the application requirements of winter wheat acreage extracting in Huang-Huai region, this article analyzes the features of MODIS data and phenological characteristics of crops. Three kin...

2001
P. J. Minnett R. H. Evans

The Moderate Resolution Imaging Spectroradiometer (MODIS) on the NASA Earth Observing System satellites Terra and Aqua include infrared bands that are designed for the accurate measurement of sea-surface temperature (SST). In addition to the conventional ‘split-window’ bands in the 10-12 μm atmospheric window (similar in spectral properties to the corresponding channels of the heritage instrume...

2017
Kohei Arai

Prediction method for large diatom appearance in winter with meteorological data and MODIS derived turbidity and chlorophyll-a in Ariake Bay Area in Japan is proposed. Mechanism for large diatom appearance in winter is discussed with the influencing factors, meteorological condition and in-situ data of turbidity, chlorophyll-a data with the measuring instruments equipped at the Saga University ...

2014
David Peterson Jun Wang Charles Ichoku Vincent Ambrosia Edward Hyer

A sub-pixel-based calculation of fire radiative power from MODIS observations: 1 Algorithm development and initial assessment" (2013). a b s t r a c t a r t i c l e i n f o Keywords: Fire Wildfire Biomass burning Fire radiative power (FRP) MODIS Fire area Fire temperature Sub-pixel Fire detection Airborne Developed as a quantitative measurement of fire intensity, fire radiative power (FRP) and ...

2010
A. Lyapustin Y. Wang

The Earth Observing System [1] initiated high quality global Earth observations and operational aerosol retrievals over land. With the wide swath (2300 km) of MODIS instrument, the MODIS Dark Target algorithm [2-3] currently complemented with the Deep Blue method [4] provides daily global view of planetary atmospheric aerosol. With MODIS aerosol program being very successful, there are still se...

2005
Catherine Naud Jan-Peter Muller Eugene E. Clothiaux

The EOS-TERRA MODIS and MISR instruments provide radiances for independent spectral and stereo retrievals of cloud top height (CTH), respectively. Collocated and coincident CTH retrievals were compared against each other and with coincident millimeter-wave radar (MMCR) retrievals over the British Isles and the ARM SGP site. This intercomparison suggests close agreement between MMCRR, MODIS and ...

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