Frontiers

Analysis of spectral signatures and vegetation indices to assess the response of faba bean plants to varying zinc levels under sandy soil conditions

Introduction: Zinc (Zn) deficiency is a major limiting factor for crop productivity, particularly in sandy soils where nutrient retention and bioavailability are poor. The field experiment was ...
SciELO

Mineralogical and gemological characterization of emerald crystals from Paraná deposit, NE Brazil: a study of mineral chemistry, absorption and reflectance spectroscopy and ...

Emerald is a green gem variety of beryl (Be 3 Al 2 Si 6 O 18). Its coloration is due to amounts of Cr 3+, V 3+ or Fe replacing Al 3+ at the Y site in the crystal structure, and it needs a specific ...
IEEE

MISR Aerosol Product Attributes and Statistical Comparisons With MODIS

Abstract: In this paper, Multi-angle Imaging SpectroRadiometer (MISR) aerosol product attributes are described, including geometry and algorithm performance flags. Actual retrieval coverage is mapped ...
IEEE

Cross-Calibration of Terra and Aqua MODIS Using RadCalNet

Abstract: Moderate Resolution Imaging Spectroradiometer (MODIS) instruments onboard the Terra and Aqua spacecraft have been successfully operating for nearly two decades and providing complementary ...