theIASHub | 20 Jun, 2025 | 22
Fourier Transform Infrared (FTIR) Spectroscopy: Recently, the Aryabhatta Research Institute of Observational Sciences (ARIES) in Nainital hosted a major international gathering of atmospheric scientists.
o The meeting focused on tracking changes in atmospheric composition, with a special emphasis on the use of Fourier Transform Infrared (FTIR) spectroscopy to enhance understanding of climate change.
o How It Works: Uses infrared (IR) light to scan a sample.
ü Analyzes how molecules vibrate to identify chemical bonds and functional groups.
ü Provides detailed information about molecular composition and structure.
o Sample Suitability: Effective for analyzing both small particles (10–50 microns) and larger surface areas.
o Applications: Industrial Use: Widely used in quality control of manufactured materials.
ü Environmental Monitoring: Helps assess air, water, and soil quality, especially in the context of pollution.
ü Material Identification: Used to detect organic, polymeric, and sometimes inorganic materials.
o Climate Relevance: Plays an important role in atmospheric studies by helping track changes in air composition and pollutants, aiding climate change research.
o Ecological Sensitivity: The Himalayas are a climate-sensitive and ecologically fragile region, making them vital for climate monitoring efforts.
o Lack of Ground-Based Data: Despite their importance, the region has limited ground-based atmospheric monitoring systems, creating major data gaps.
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