J 2018

Revolatilisation of soil-accumulated pollutants triggered by the summer monsoon in India

LAMMEL, Gerhard, Celine DEGRENDELE, Sachin S. GUNTHE, Qing MU, Akila MUTHALAGU et. al.

Basic information

Original name

Revolatilisation of soil-accumulated pollutants triggered by the summer monsoon in India

Authors

LAMMEL, Gerhard (276 Germany, guarantor, belonging to the institution), Celine DEGRENDELE (250 France, belonging to the institution), Sachin S. GUNTHE (356 India), Qing MU (276 Germany), Akila MUTHALAGU (356 India), Ondřej AUDY (203 Czech Republic, belonging to the institution), Chelackal V. BIJU (356 India), Petr KUKUČKA (203 Czech Republic, belonging to the institution), Marie Daniëlle MULDER (528 Netherlands, belonging to the institution), Mega OCTAVIANI (276 Germany), Petra PŘIBYLOVÁ (203 Czech Republic, belonging to the institution), Pourya SHAHPOURY (276 Germany), Irene STEMMLER (276 Germany) and Aswathy E. VALSAN (356 India)

Edition

Atmospheric Chemistry and Physics, Göttingen, Germany, European Geosciences Union, 2018, 1680-7316

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10509 Meteorology and atmospheric sciences

Country of publisher

Germany

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 5.668

RIV identification code

RIV/00216224:14310/18:00106068

Organization unit

Faculty of Science

UT WoS

000440940600003

Keywords in English

PERSISTENT ORGANIC POLLUTANTS; POLYBROMINATED DIPHENYL ETHERS; ORGANOCHLORINE PESTICIDES; SOUTH-INDIA; POLYCHLORINATED-BIPHENYLS; AIR EXCHANGE; MULTICOMPARTMENTAL FATE; ATMOSPHERIC TRANSPORT; COASTAL ENVIRONMENT; TIBETAN PLATEAU

Tags

International impact, Reviewed
Změněno: 4/2/2019 22:02, Mgr. Michaela Hylsová, Ph.D.

Abstract

V originále

Persistent organic pollutants that have accumulated in soils can be remobilised by volatilisation in response to chemical equilibrium with the atmosphere. Clean air masses from the Indian Ocean, advected with the onset of the summer monsoon, are found to reduce concentrations of hexachlorocyclohexane (HCH), dichlorodiphenyltrichloroethane (DDT) and its derivatives, endosulfan and polychlorinated biphenyls (PCBs) in air at a mountain site (all in the range 5-20 pg m(-3)) by 77 %, 70 %, 82 % and 45 %, respectively. The analysis of fugacities in soil and air suggest that the arrival of summer monsoon triggers net volatilisation or enhances ongoing revolatilisation of the now-banned chemicals HCH and PCBs from background soils in southern India. The response of the air-soil exchange was modelled using a regional air pollution model, WRF-Chem PAH/POP. The results suggest that the air is increasingly polluted during transport by the south-westerly monsoon winds across the subcontinent. Using a multidecadal multimedia mass balance model, it is found that air-surface exchange of HCH and DDT have declined since the ban of these substances from agriculture, but remobilisation of higher chlorinated PCBs may have reached a historical high, 40 years after peak emission.

Links

CZ.02.1.01/0.0/0.0/16_013/0001761, interní kód MU
Name: RECETOX RI - OP VVV (Acronym: RECETOX RI)
Investor: Ministry of Education, Youth and Sports of the CR, Priority axis 1: Strengthening capacities for high-quality research
LM2015051, research and development project
Name: Centrum pro výzkum toxických látek v prostředí (Acronym: RECETOX RI)
Investor: Ministry of Education, Youth and Sports of the CR