What is Project TRISHNA by ISRO

A new project, called TRISHNA, is now going to monitor the water cycle to help in finding out proper ways to utilize it. The Indian space agency, ISRO, and the French space agency CNES have partnered for this mission. 

What is Project TRISHNA by ISRO
trishna-isro

What is Project TRISHNA by ISRO

ISRO's TRISHNA project for sustainable usage of water 

Water is one of the most valuable natural resources on Earth. Lack of availability of potable water and its misuse has resulted in the water crisis in many states. A new project, called TRISHNA, is now going to monitor the water cycle to help in finding out proper ways to utilize it. The Indian space agency, ISRO, and the French space agency CNES have partnered for this mission. 

The natural resource assessment will be done by Thermal infrared Imaging Satellite. The high-resolution data provides a better understanding of water management. With high revisit capabilities, this infrared observation system will monitor the climate. An associated ground segment is also a crucial part of this project that will be shared by both countries. 

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The four main complementary objectives of the mission are urbanization, solid Earth or geology, cryosphere, and atmosphere along with the principal target of energy and water budgeting. 

Support of Airbus

To accomplish the mission, CNES and Airbus Defense and Space have signed a contract. The thermal infrared instrument for TRISHNA is being developed by Airbus. 

A high-performance instrument at an affordable price is the aim of Airbus. It is adopting the ideas from programs like CO3D and IASI-NG. International cooperation has many advantages for space programs. Apart from commercial and scientific benefits, the combined exploratory missions always have a positive global impact.

A new level of thermal infrared imagery 

The success of this mission will be a game-changer in meteorology, agricultural applications, climate science, urban heat traps, coastal zone management, and more. The deteriorating quality and scarcity of water require the monitoring of various components of the water cycle. At present, the missions have limited resolution (above one km) with a revisit period of a few weeks. Project TRISHNA will have a revisit period of three days with a resolution at 50m. 

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Also, a wide range of temperatures from -20°C to + 30°C could be observed with TRISHNA. Even a precise temperature up to 0.3° C is possible with this project. Information about surface temperature helps in calculating the hydric stress. It has a direct impact on vegetation and water cycles. 

The launch of TRISHNA is foreseen in 2024-2025. Monitoring the water cycle on Earth is important to minimize its wastage, especially in the regions with low annual rainfall. Also, activities like volcanic eruptions, frozen lakes, and glaciers with their risk factors would be monitored using TRISHNA data. This Franco-Indian mission will surely give new insights for climate on the Earth. 

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