Potential sensors for constellation of EO satellites for disaster management: a perspective

V. Jayaraman; S. K. Srivastava

doi:10.1117/12.694090

12 December 2006 Potential sensors for constellation of EO satellites for disaster management: a perspective

V. Jayaraman, S. K. Srivastava

Proceedings Volume 6407, GEOSS and Next-Generation Sensors and Missions; 64070G (2006) https://doi.org/10.1117/12.694090
Event: SPIE Asia-Pacific Remote Sensing, 2006, Goa, India

Abstract

Despite having half a dozen operational EO missions already in the orbit, the need to have dedicated constellation of EO satellites emanates from India's perennial vulnerability to the natural disasters. Capturing an event in real time, along with the appropriate spatial attributes--characterizing the impacts, precursors and other inter-relations, is critically a missing link. Potentially, a dedicated constellation of EO satellite--with suitable mix of optical and SAR payloads captures the events in its real time form. The right choice of sensors holds the key for low cost autonomous missions characterizing the constellation. It is visualized to have AWiFS type of camera with visible, near infrared, short wave infrared and thermal sensors onboard GEO mission. The optical LEO missions could include LISS 3&4 type of cameras along with C band SAR. For 'formation flying', a set of visible/infrared imagers, infrared sounders, microwave imagers, microwave sounders, scatterometers and radar altimeters with suitable bands, data rate and resolutions assumes significance. It has been visualized to make strategic transition of India's planned and future EO missions to a system of thematic constellations, wherein AWiFS could move to GEO; RESOURCESAT and RISAT could converge into a LEO constellation; OCEANSAT would lead transition into 'formation flying'. The paper intends to describe such strategies.

Citation Download Citation

V. Jayaraman and S. K. Srivastava "Potential sensors for constellation of EO satellites for disaster management: a perspective", Proc. SPIE 6407, GEOSS and Next-Generation Sensors and Missions, 64070G (12 December 2006); https://doi.org/10.1117/12.694090

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