نتایج جستجو برای: modis sensor

تعداد نتایج: 195470  

2016
Galina Wind Arlindo M. da Silva Peter M. Norris Steven Platnick Shana Mattoo Robert C. Levy

The Multi-sensor Cloud Retrieval Simulator (MCRS) produces a “simulated radiance” product from any high-resolution general circulation model with interactive aerosol as if a specific sensor such as the Moderate Resolution Imaging Spectroradiometer (MODIS) were viewing a combination of the atmospheric column and land–ocean surface at a specific location. Previously the MCRS code only included co...

2009
Milton Kampel João Antônio Lorenzzetti Cristina Maria Bentz Raul A. Nunes Rodolfo Paranhos Frederico M. Rudorff Alexandre Tadeu Politano

Comparisons between in situ measurements of surface chlorophyll-a concentration (CHL) and ocean color remote sensing estimates were conducted during an oceanographic cruise on the Brazilian Southeastern continental shelf and slope, Southwestern South Atlantic. In situ values were based on fluorometry, above-water radiometry and lidar fluorosensor. Three empirical algorithms were used to estimat...

Journal: :Environmental management 2007
Ramesh Sivanpillai Alexandre V Latchininsky

Reed beds of Phragmites australis in the River Amudarya delta near the Aral Sea constitute permanent breeding areas of the Asian Migratory locust, Locusta migratoria migratoria. Every year, thousands of hectares are treated with broad-spectrum insecticides to prevent locust swarms from damaging crops in adjacent areas. To devise efficient locust monitoring and management plans, accurate and upd...

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...

2012
Y. Xue

This discussion paper is/has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP if available. Abstract Agricultural biomass burning (ABB) in Central and East China occurs every year from occurred mainly in An-hui, Henan, Jiangsu and Shandong provinces. A comprehensive set of aerosol optical 5 depth (AOD) data, produced...

Journal: :محیط شناسی 0
الناز نوروزی اقدم سید محمودرضا بهبهانی علی رحیمی خوب حسین عقیقی

soil moisture is one of the critical parameters in climatic, ecological and hydrological modeling and vegetation growth. soil moisture is important for environmental studies but due to ground-based point measurement of soil moisture is expensive and impractical for watershed measurement, this parameter is not be used widely to simulate and predict models. overall and uniform view on different p...

2007
Gregory Leptoukh Steve Cox John Farley Arun Gopalan Jianping Mao Stephen Berrick

Giovanni, the NASA Goddard online visualization and analysis tool (http://giovanni.gsfc.nasa.gov) allows users explore various atmospheric phenomena without learning remote sensing data formats and downloading voluminous data. Using NASA MODIS (Terra and Aqua) and ESA MERIS (ENVISAT) aerosol data as an example, we demonstrate Giovanni usage for online multi-sensor remote sensing data comparison...

2018
Baodong Xu Taejin Park Kai Yan Chi Chen Yelu Zeng Wanjuan Song Gaofei Yin Jing Li Qinhuo Liu Yuri Knyazikhin Ranga B. Myneni

The operational Moderate Resolution Imaging Spectroradiometer (MODIS) Leaf Area Index (LAI) and Fraction of Photosynthetically Active Radiation absorbed by vegetation (FPAR) algorithm has been successfully implemented for Visible Infrared Imager Radiometer Suite (VIIRS) observations by optimizing a small set of configurable parameters in Look-Up-Tables (LUTs). Our preliminary evaluation showed ...

2012
Robert Arnone Giulietta Fargion Paul Martinolich Sherwin Ladner Adam Lawson Jennifer Bowers Michael Ondrusek Giuseppe Zibordi ZongPing Lee Samuel Ahmed

The Joint Polar Satellite System (JPSS) launched the Suomi National Polar-Orbiting Partnership (NPP) satellite including the Visible Infrared Imager Radiometer Suite (VIIRS) on October 28, 2011which has the capability to monitor ocean color properties. Four months after launch, we present an initial assessment of the VIIRS ocean color products including inter-comparisons with satellite and in s...

2017
Passang Dorji Peter Fearns

The impact of anthropogenic activities on coastal waters is a cause of concern because such activities add to the total suspended sediment (TSS) budget of the coastal waters, which have negative impacts on the coastal ecosystem. Satellite remote sensing provides a powerful tool in monitoring TSS concentration at high spatiotemporal resolution, but coastal managers should be mindful that the sat...

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