VATI: “Satellite eyes” to enhance the vision of smart farming

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The knowledge about the effect of hydrologic and anthropogenic activities on Earth system is of utmost importance as it influences earth’s surface water and energy budgets by altering the near-surface climate, agro-hydrological parameters etc. Many times, the spatial-temporal variation of yield is observed in the same agriculture land because of the spatiotemporal variation of soil structure and properties. As water remains one of the limiting factors in Indian agriculture, calculating irrigation requirement of the soil types spatiotemporally would be advantageous. Proper usage of water can increase yield and crop health. Precision irrigation is the practice of irrigating crops with the optimal amount of water. The land-atmosphere interactions can be modeled and analyzed to predict crop-water requirement, agricultural yield, extreme events that may affect the agriculture yield (Floods, droughts etc) or simulate water budget. The underlying parameters that change with these interactions, such as the soil moisture, Evapotranspiration, normalized difference vegetation index (NDVI), Vegetation Condition Index (VCI) can be beneficial to analyze these interactions. With the recent advancements in remote sensing, the near real-time monitoring of these agro-hydrological parameters under all-weather conditions is possible, as observations in the microwave frequency domain are insensitive to aerosols and clouds.

VATI (Visualize Access Tools Insight) is a web-based interactive map developed at Satyukt Analytics Pvt Ltd in an attempt to make hydrological data easily accessible and understandable to researchers and public. VATI helps in Visualizing, accessing and analyzing satellite estimated agro-hydrological variables in near real-time at customizable spatial, temporal and spectral resolutions with the aid of a user-friendly web interface which can be accessed globally. It also enables access to historical data since 1975. The proper monitoring and analyzing of these agro-hydrological variables would help in precision agriculture

VATI operates in 4 modes:

  • Visualize:In this mode the user can visualize spatial temporal variation of agro-hydrological variables in the form of maps.
  • Access:In this mode the user can order reusable data sets or finished products according to their requirement in customizable spatial and temporal resolution
  • Tools:In this mode the user gets access to some hydrological tools developed by our technical team.
  • Insight:In this mode the user can analyze temporal data (agro- hydrological variables) graphically.

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About the author: Catherin Sebastian

The author is a research enthusiast, she has completed her M.Tech. in Remote Sensing and GIS, from NIT Warangal. Her expertise includes the application of microwave satellite remote sensing for providing the solutions in Water Resources and Agriculture.

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