360° UPSC Mains Analysis

NASA invites ISRO to join Moon Base programme

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Flora & Fauna

Mangrove Ecosystems (e.g., Sundarbans)
Status: Vulnerable / Endangered (Ecosystem)
Threat: Sea-level rise and coastal erosion, monitored by NISAR's S-band and L-band radar.
Wetland Ecosystems (e.g., Vembanad-Kol Wetland)
Status: Ramsar Site
Threat: Encroachment, flooding, and ecological degradation, tracked via NISAR's high-resolution surface water extent mapping.

Ecology Impact

The joint NASA-ISRO Synthetic Aperture Radar (NISAR) mission provides critical radar imaging to monitor changes in Earth's fragile ecosystems, including forest biomass, wetlands, and coastal regions. It tracks land surface changes and vegetation dynamics, helping to assess ecological degradation and habitat loss globally. Additionally, space sustainability efforts under UN COPUOS aim to prevent orbital debris, protecting the outer space environment from physical contamination.

Science & Tech Angle

The NISAR mission utilizes dual-frequency Synthetic Aperture Radar (SAR) technology, combining NASA's L-band (24 cm wavelength) and ISRO's S-band (9.4 cm wavelength) to penetrate dense forest canopies and clouds. This allows for all-weather, day-and-night imaging to detect surface deformations as small as one centimeter. The Moon Base programme and lunar exploration also drive advancements in planetary protection technologies and closed-loop life support systems.

Climate Change Link

NISAR's dual-frequency radar tracks changes in the Earth's cryosphere, such as glacier movement and ice sheet melting, which are direct indicators of global warming. The mission provides high-resolution data on forest carbon stocks and soil moisture, aiding countries in tracking their Nationally Determined Contributions (NDCs) under the Paris Agreement. This data is vital for climate adaptation, disaster risk reduction, and understanding global carbon cycle dynamics.

Sustainable Development

The collaboration directly advances SDG 13 (Climate Action) and SDG 15 (Life on Land) by providing open-access scientific data to monitor deforestation, desertification, and glacial melt. It also supports SDG 9 (Industry, Innovation, and Infrastructure) through cutting-edge space technology transfer and international scientific cooperation.

International Frameworks

UN COPUOS Guidelines for the Long-Term Sustainability of Outer Space Activities (2019)
A voluntary, non-binding framework of 21 guidelines aimed at ensuring space operations do not harm the outer space environment, addressing space debris mitigation and safe operations.
Paris Agreement
NISAR's systematic monitoring of global forest biomass and carbon stocks directly supports the global stocktake and climate mitigation tracking under the UNFCCC.
Outer Space Treaty (1967)
Article IX establishes the legal basis for planetary protection, requiring states to conduct exploration of the Moon and other celestial bodies so as to avoid their harmful contamination.

Sources consulted

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