Evidence and Implications for the Regional Climate

Abstract This paper presents a detailed review of atmospheric pollution observed in the Hindu Kush–Himalaya (HKH) region and its implications for regional climate. Data from in situ measurements made at high-altitude stations in the HKH region, observations from satellite-based instruments, and glob...

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Bibliographic Details
Published in:Mountain Research and Development
Main Authors: Paolo Cristofanelli, Bhupesh Adhikary, Elisa Vuillermoz, Paolo Bonasoni, Angela Marinoni
Format: Article in Journal/Newspaper
Language:English
Published: 2012
Subjects:
NEANIAS Atmospheric Research Community
Energy Research
General Environmental Science
Development
Environmental Chemistry
ice core
Online Access:https://www.openaccessrepository.it/record/114701
https://doi.org/10.1659/mrd-journal-d-12-00066.1
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Summary:Abstract This paper presents a detailed review of atmospheric pollution observed in the Hindu Kush–Himalaya (HKH) region and its implications for regional climate. Data from in situ measurements made at high-altitude stations in the HKH region, observations from satellite-based instruments, and global climate modeling study results are discussed. Experimental observations discussed include both atmospheric measurements and data from snow and ice core sampling from different glaciers in the HKH region. The paper focuses on the atmospheric brown cloud loadings over the Himalayas, particularly black carbon (BC) and ozone, which have links to regional climate and air-pollution–related impacts. Studies show elevated levels of anthropogenic ozone and BC over the Himalayas during the pre-monsoon season with concentrations sometimes similar to those observed over an average urban environment. The elevated concentration observed over the Himalayas is thought to come from the lowlands, especially the highly populat.

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