Chaubey, Jai Prakash; Moorthy, K Krishna; Babu, S Suresh; Nair, Vijayakumar S (2011): Aerosol total mass concentration and optical depth during IPY 2007-2008 at Maitri and Larsemann Hills Station [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.808290, Supplement to: Chaubey, JP et al. (2011): The optical and physical properties of atmospheric aerosols over the Indian Antarctic stations during southern hemispheric summer of the International Polar Year 2007-2008. Annales Geophysicae, 29(1), 109-121, https://doi.org/10.5194/angeo-29-109-2011
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Abstract:
The properties of background aerosols and their dependence on meteorological, geographical and human influence are examined using measured spectral aerosol optical depth (AOD), total mass concentration (Mt) and derived number size distribution (NSD) over two distinct coastal locations of Antarctica; Maitri (70°S, 12°E, 123 m m.s.l.) and Larsemann Hills (LH; 69°S, 77°E, 48 m m.s.l.) during southern hemispheric summer of 2007-2008 as a part of the 27th Indian Scientific Expedition to Antarctica (ISEA) during International Polar Year (IPY). Our investigations showed comparable values for the mean columnar AOD at 500 nm over Maitri (0.034±0.005) and LH (0.032±0.006) indicating good spatial homogeneity in the columnar aerosol properties over the coastal Antarctica. Estimation of Angstrom exponent a showed accumulation mode dominance at Maitri (alpha ~1.2±0.3) and coarse mode dominance at LH (0.7±0.2). On the other hand, mass concentration (M(T)) of ambient aerosols showed relatively high values (~8.25±2.87 µg/m**3) at Maitri in comparison to LH (6.03±1.33 µg/m**3).
Project(s):
Coverage:
Median Latitude: -70.087225 * Median Longitude: 43.959720 * South-bound Latitude: -70.766670 * West-bound Longitude: 11.732220 * North-bound Latitude: -69.407780 * East-bound Longitude: 76.187220
Date/Time Start: 2008-01-05T00:00:00 * Date/Time End: 2008-02-24T00:00:00
Comment:
Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Chaubey, JP; Moorthy, KK; Babu, SS et al. (2011): (Table 1, 3) Total mass concentration of aerosols in Maitri and Larsemann Hills Station, Antarctica. https://doi.org/10.1594/PANGAEA.808285
- Chaubey, JP; Moorthy, KK; Babu, SS et al. (2011): (Table 2) Aerosol optical depth in Maitri and Larsemann Hills Station, Antarctica. https://doi.org/10.1594/PANGAEA.808286