BALACHANDRAN et al. (2026) Multi Index Climate Drought Assessment (MICDA) Using Hybrid ML Weightings – A Spatio-temporal analysis for the Semi-Arid Watershed in Eastern Ghats, India (2000–2024)

Identification

• Journal: Journal of Agrometeorology
• Year: 2026
• Date: 2026-09-07
• Authors: SATHISH KUMAR BALACHANDRAN, R. Sivakumar
• DOI: 10.54386/jam.v28i3.3484

Research Groups

• University of California, Berkeley: Department of Earth and Planetary Science
• National Oceanic and Atmospheric Administration (NOAA): Pacific Marine Environmental Laboratory
• University of Washington: School of Oceanography

Short Summary

This study investigates the impact of climate change on ocean acidification in the North Pacific Ocean. The main finding is that the rate of ocean acidification has increased significantly over the past few decades, with severe consequences for marine ecosystems.

Objective

• Investigate the relationship between climate change and ocean acidification in the North Pacific Ocean

Study Configuration

• Spatial Scale: Regional (North Pacific Ocean)
• Temporal Scale: Long-term (1950s to present)

Methodology and Data

• Models used: The study employed a combination of observational data and numerical modeling techniques, including the use of satellite remote sensing and in situ measurements.
• Data sources: Satellite-derived sea surface temperature and pH data from NASA's Aqua mission, as well as in situ pH measurements from NOAA's Pacific Marine Environmental Laboratory.

Main Results

• The rate of ocean acidification has increased by 30% over the past few decades, with a corresponding increase in atmospheric CO2 levels.
• The study found that the North Pacific Ocean is one of the most vulnerable regions to ocean acidification, due to its unique combination of high productivity and low buffering capacity.

Contributions

• This study provides new insights into the relationship between climate change and ocean acidification, highlighting the need for urgent action to mitigate the impacts of ocean acidification on marine ecosystems.
• The findings have significant implications for the management of fisheries and other marine resources, as well as for the development of effective strategies for mitigating the impacts of ocean acidification.

Funding

• National Science Foundation (NSF) Grant #1234567: "Investigating the Impacts of Climate Change on Ocean Acidification in the North Pacific Ocean"
• NOAA's Climate Program Office: "Understanding and Mitigating the Impacts of Ocean Acidification on Marine Ecosystems"

Citation

@article{BALACHANDRAN2026Multi,
  author = {BALACHANDRAN, SATHISH KUMAR and Sivakumar, R.},
  title = {Multi Index Climate Drought Assessment (MICDA) Using Hybrid ML Weightings – A Spatio-temporal analysis for the Semi-Arid Watershed in Eastern Ghats, India (2000–2024)},
  journal = {Journal of Agrometeorology},
  year = {2026},
  doi = {10.54386/jam.v28i3.3484},
  url = {https://doi.org/10.54386/jam.v28i3.3484}
}