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International Polar Year 2007–2008 - WMO

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density structure by comparing with historical data,<br />

identification of water masses, changes in the heat<br />

content, understanding the circulation, geostrophic<br />

currents and Ekman components (Fig. 5.3-7).<br />

Land Based Anthropogenic Impact of Coarse Particles<br />

on Antarctic Shelf (IPY no. 129, Anoop Tiwari, PI).<br />

Carbon content of air samples was recorded along the<br />

ship course starting from Cape Town, South Africa to<br />

the India Bay in Antarctica (70°45.94’S and 11°44.13’E)<br />

and further en route to the site of India’s third station<br />

at Larsemann Hills (69°24’S and 76°10’E). Aerosol<br />

observations and carbon content of air samples<br />

at Larsemann Hills were also analyzed for impact<br />

assessment studies, prior to the construction of new<br />

station Bharati.<br />

An in-house study of the short-term Holocene<br />

climate variability in Antarctica and the Southern<br />

latitudes used sediment cores collected from the<br />

South Indian Ocean. Researchers also analyzed<br />

sediment cores taken from the periglacial lakes and<br />

the shallow Antarctic ice-cores. Several articles have<br />

been published to disseminate the information<br />

regarding IPY themes and papers were presented at<br />

various international conferences.<br />

NCAOR was also actively involved in outreach<br />

activities by generating public awareness about the<br />

causes and impact of climate change with reference<br />

to <strong>Polar</strong> regions. NCAOR sponsored the visit of two<br />

college students to Antarctica during the 25th Indian<br />

Antarctic Expedition under the “Students Participation<br />

Fig.5.3-5. The data<br />

collection campaign<br />

for IPY project no. 70<br />

launched in austral<br />

summer 2007. Project<br />

PI, Alvarinho J. Luis<br />

launches an XCTD<br />

probe in the Southern<br />

Ocean.<br />

(Photo: Luis Alvarinho)<br />

Fig.5.3-6. Weather<br />

parameters were<br />

recorded along the<br />

ship track by using an<br />

Automatic Weather<br />

Station installed<br />

on onboard MV<br />

Emerald Sea during<br />

the 26th Indian<br />

Scientific Expedition<br />

to Antarctica<br />

(2006–2007) for IPY<br />

project no. 70.<br />

(Photo: Luis Alvarinho)<br />

l e g a C I e s 561

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