نتایج جستجو برای: red edge normalized difference vegetation index rendvi
تعداد نتایج: 1096411 فیلتر نتایج به سال:
the objective of this study is to develop a novel methodology integrating remote sensing, geographic information system technology and local spatial autocorrelation geo-computation for quick drought assessment. one group of drought indices, based on the condition of the vegetation, includes the normalized difference vegetation index (ndvi), anomaly of normalized difference vegetation index (ndv...
Assessing oil pollution using traditional field-based methods over large areas is difficult and expensive. Remote sensing technologies with good spatial and temporal coverage might provide an alternative for monitoring oil pollution by recording the spectral signals of plants growing in polluted soils. Total petroleum hydrocarbon concentrations of soils and the hyperspectral canopy reflectance ...
We investigated the potential of hyperspectral remote sensing to estimate aboveground biomass (AGB) over Brazilian savannas (Cerrado), second-largest source carbon emissions in Brazil. For this purpose, a Hyperion/Earth Observing-1 (EO-1) image was collected dry season at Ecological Station Águas Emendadas (ESAE). In order AGB, we evaluated performance five machine learning models (Classificati...
the geometric mean particle diameter (dg) and lime are two of the most important properties from the viewpoint of soil management. nowadays remote sensing technology which has emerged walking with science development throughout the world, has made soil study faster, more facile and more cost-efficient. an investigation of soil dg and lime was performed in pol-e-dokhtar area by use of four sets ...
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