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Two years of MAXDOAS measurements of air pollutants at SORPES station in Nanjing, China

Hao, Nan and Ding, A. J. and Van Roozendael, Michel and Hendrick, F. and Shen, Yicheng and Valks, Pieter (2015) Two years of MAXDOAS measurements of air pollutants at SORPES station in Nanjing, China. In: Geophysical Research Abstracts. Copernicus Publications. European Geosciences Union General Assembly 2015, 12-17, April, 2015, Vienna, Austria.

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Official URL: http://meetingorganizer.copernicus.org/EGU2015/EGU2015-11137.pdf


The Yangtze River Delta (YRD) region includes the mega-city Shanghai and the well-industrialized and urbanized areas of Zhejiang Province and Jiangsu Province, with over ten large cities, such as Hangzhou, Suzhou and Nanjing. Covering only 2% land area, this region produces over 20% of China’s Gross Domestic Product (GDP) which makes it the most densely populated region and one of the most polluted regions in China. In the YRD region, knowledge gaps still exist in the understanding of the source and transport of air pollutants because only few measurement studies have been conducted. This work presents two years measurements of air pollutants including NO2, HONO, SO2, HCHO and CHOCHO at a regional back-ground site, the Station for Observing Regional Processes of the Earth System (SORPES), in the western part of the Yangtze River Delta (YRD) in eastern China. A retrieval algorithm, based on an on-line implementation of the radiative transfer code LIDORT and the optimal estimation technique, has been used to provide information on trace gases vertical profiles and vertical column densities (VCDs). The seasonal and diurnal cycles of trace gases have been studies and compared with in situ measurements. The retrieved tropospheric NO2, HCHO and SO2 VCDs were compared to satellite measurements, while the NO2 and SO2 near surface concentrations (0-200 m layer) were compared to measurements from in situ instruments at SORPES.

Item URL in elib:https://elib.dlr.de/101806/
Document Type:Conference or Workshop Item (Speech)
Title:Two years of MAXDOAS measurements of air pollutants at SORPES station in Nanjing, China
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ding, A. J.Nanjing UniversityUNSPECIFIED
Shen, YichengNanjing UniversityUNSPECIFIED
Date:April 2015
Journal or Publication Title:Geophysical Research Abstracts
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Publisher:Copernicus Publications
Keywords:MAX-DOAS, air pollutants, SORPES, Nanjing
Event Title:European Geosciences Union General Assembly 2015
Event Location:Vienna, Austria
Event Type:international Conference
Event Dates:12-17, April, 2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Atmospheric and climate research
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Hao, Dr. Nan
Deposited On:13 Jan 2016 10:03
Last Modified:10 May 2016 23:41

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