ARFI: Aerosol Radiative Forcing over India

• ARFI aims at evolving accurate regional aerosol characterization, incorporating the heterogeneities in space, time and spectral domains for periodical and accurate estimates of Aerosol Radiative Forcing over India and to assess the impacts on regional and global climate.
• ARFI involves continuous measurements of various properties of aerosols using the network (ARFINET) of aerosol observatories (more than 42 at present).

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NOBLE: Network of Observatories for Boundary Layer Experiments

NOBLE project aims to establish multi-year monthly and seasonal mean variations of surface-air interaction processes through the monitoring of ABL parameters, state variables, and energy fluxes at different geographical locations (network stations) representing typical geographical and climate conditions prevailing in the Indian region. The backbone of this activity will be the systematic measurements carried out at network stations, in collaboration with Universities and Institutions.

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INSWIM: Indian Network for Space Weather Impact Monitoring

The main objective of this program is to obtain comprehensive measurements of ionospheric parameteres from a network spanning across many strategically chosen locations in the country for space weather studies. It envisages to study the space weather effects on the Indian ionospheric region and formulate an Ionospheric Model which would be helpful in ascertaining the impact of ionospheric variations on GPS/IRNSS Radio signals.

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