Upcoming NASA-India Radar Satellite Will Help Track Disasters and Land Changes with Precision

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Per an announcement from NASA, the agency will host a press briefing on July 21 to preview the NISAR mission, a joint satellite project with the Indian Space Research Organisation (ISRO) designed to improve global disaster monitoring and environmental analysis. NISAR will utilize dual-frequency radar to deliver detailed, near-real-time data on Earth’s surface changes, with launch expected no earlier than late July from India’s southeastern coast.

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The satellite’s dual radar systems—ISRO’s S-band and NASA’s L-band—will allow it to scan almost all land and ice-covered regions on Earth every 12 days. These high-resolution scans will assist scientists and emergency responders by detecting subtle changes in ground movement, which could indicate earthquakes, landslides, or volcanic activity. NISAR’s ability to penetrate clouds also makes it particularly useful during extreme weather events, such as hurricanes or floods, where traditional imaging tools fall short.

Managed by NASA’s Jet Propulsion Laboratory in California and launched by ISRO from the Satish Dhawan Space Centre, the mission represents a major step in bilateral space cooperation. The data will support not just environmental monitoring, but also community-level responses to natural hazards, especially in areas vulnerable to climate-related events. NASA’s Goddard Space Flight Center in Maryland will be responsible for handling the satellite’s data downlink through the Near Space Network.

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NISAR’s impact is expected to extend globally by enhancing understanding of Earth’s surface dynamics and helping governments, scientists, and planners make informed decisions about infrastructure, resource use, and disaster mitigation. With the satellite’s public data availability, communities can anticipate more accurate forecasts and quicker responses to emergencies, which may directly improve safety and resilience, especially in disaster-prone regions.

Article by multiple contributors, based upon information from NASA Headquarters and Jet Propulsion Laboratory

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