Anthropogenic Aerosols and the Weakening of the South Asian Summer Monsoon. Bollasina, M. A.; Ming, Y.; and Ramaswamy, V. 334(6055):502–505.
Anthropogenic Aerosols and the Weakening of the South Asian Summer Monsoon [link]Paper  doi  abstract   bibtex   
Observations show that South Asia underwent a widespread summertime drying during the second half of the 20th century, but it is unclear whether this trend was due to natural variations or human activities. We used a series of climate model experiments to investigate the South Asian monsoon response to natural and anthropogenic forcings. We find that the observed precipitation decrease can be attributed mainly to human-influenced aerosol emissions. The drying is a robust outcome of a slowdown of the tropical meridional overturning circulation, which compensates for the aerosol-induced energy imbalance between the Northern and Southern Hemispheres. These results provide compelling evidence of the prominent role of aerosols in shaping regional climate change over South Asia.
@article{bollasinaAnthropogenicAerosolsWeakening2011,
  title = {Anthropogenic Aerosols and the Weakening of the {{South Asian}} Summer Monsoon},
  author = {Bollasina, Massimo A. and Ming, Yi and Ramaswamy, V.},
  date = {2011},
  journaltitle = {Science},
  volume = {334},
  pages = {502--505},
  issn = {1095-9203},
  doi = {10.1126/science.1204994},
  url = {https://doi.org/10.1126/science.1204994},
  abstract = {Observations show that South Asia underwent a widespread summertime drying during the second half of the 20th century, but it is unclear whether this trend was due to natural variations or human activities. We used a series of climate model experiments to investigate the South Asian monsoon response to natural and anthropogenic forcings. We find that the observed precipitation decrease can be attributed mainly to human-influenced aerosol emissions. The drying is a robust outcome of a slowdown of the tropical meridional overturning circulation, which compensates for the aerosol-induced energy imbalance between the Northern and Southern Hemispheres. These results provide compelling evidence of the prominent role of aerosols in shaping regional climate change over South Asia.},
  keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-14007169,aerosol,anthropogenic-impacts,climate-change,monsoon,precipitation,south-asia},
  number = {6055}
}
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