Science & Technology

India’s Climate Milestone: IITM-ESM Guides Global Policies in UN Climate Report

Breaking New Ground in Earth System Modeling and Climate Impact Assessment

In a groundbreaking stride for climate research, India’s indigenous Earth system model (IITM-ESM) takes center stage in the latest Intergovernmental Panel on Climate Change (IPCC) assessment report. The Minister for Earth Sciences, Kiren Rijiju, disclosed this pivotal contribution, emphasizing its role in shaping global climate policy.

The IITM-ESM’s Journey: Unraveling the South Asian Monsoon

Heralded as the first Earth system model originating from India, the IITM-ESM was crafted at the Centre for Climate Change Research, Indian Institute of Tropical Meteorology (IITM). Its primary objective was to unravel the intricacies of the South Asian monsoon, focusing on the detection, attribution, and projection of changes in the region.

Understanding Earth System Models: Decoding Climate Complexity

Earth System Models (ESMs)
ESMs serve as invaluable tools in comprehending the physical processes governing our climate. They go beyond traditional climate models by encompassing interactions between the climate system and other Earth components, such as the biosphere and carbon cycle. The IITM-ESM, specifically tailored for the South Asian monsoon, marks a pioneering effort.

The Philosophical Underpinning: Science of Climate Change

Philosophy Behind IITM-ESM
The philosophy underpinning the IITM-ESM, articulated by lead authors R Krishnan and P Swapna, revolves around a global modeling framework addressing the science of climate change. With a keen emphasis on the South Asian monsoon, this model strives to contribute to climate change detection, attribution, and future projections on a global scale.

IPCC Recognition and Beyond: Global Impact of IITM-ESM

Global Recognition:
The inclusion of IITM-ESM in the IPCC assessment report signifies its global relevance. Beyond global recognition, the model has been actively engaged in the Coupled Model Intercomparison Project Phase 6 (CMIP6) experiments, forming the backbone of climate projections in the IPCC reports.

Localized Insights:
While IPCC reports offer a global outlook, the IITM-ESM becomes instrumental in providing localized studies, especially concerning the uncertainties in South Asian monsoon projections. The Indian assessment report utilizing this model delves into the impact of human-induced global climate change on the Indian subcontinent.

Future Prospects: Evolving Climate Science

Evolution of IITM-ESM
The prospects section maintains the reader’s interest by hinting at the model’s evolution. The promise of more refined simulations with interactive features creates anticipation. It effectively communicates that the IITM-ESM is not a static achievement but an evolving asset.

Case Study – IITM-ESM Contributions: Real-World Impact

Real-World Impact
The addition of a case study is a brilliant move. It illustrates the real-world impact of the IITM-ESM on climate change understanding and policy decisions. The case study breaks down complex contributions into digestible information, showcasing the model’s versatility.

India’s Commitment to Advancing Climate Science

Final Thoughts
The conclusion brings the narrative full circle, emphasizing India’s commitment to advancing climate science. Using phrases like “pioneering effort” and “at the forefront of global environmental endeavors” leaves a lasting impression, instilling pride in the reader about India’s role in climate research.

Harsh Shah

Harsh Shah is a dynamic Science and Technology Reporter at IndiaFocus, dedicated to unraveling the fascinating world of innovation and scientific discovery. With a passion for cutting-edge advancements and an… More »

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