"It is very important to study megacities as people migrate to such places. Delhi is large, populated and has complex land-use systems. You need better monitoring systems to understand the urban heat island phenomenon and the rapid changes in weather. And these can be analysed?how they are related to land-use system and if there are health implications?only if we have data," the department head R P Singh said. He said it would help them "develop some modelling capability".
So far, the Indian meteorological department (IMD) has been the only agency furnishing public data. It draws its information from just two stations at Palam and Safdarjung. "The IMD data is usually abridged and meant for the general public. Moreover, it just gives single figure for the entire month," faculty member, Netrananda Sahu, said.
For researchers, a station of their own will record hourly data for two months at a stretch. It can even record data at briefer intervals. Apart from temperature, it will also record humidity, wind speed, rainfall and pressure.
At 4pm on Saturday, the data recorded showed that at Delhi School of Economics, the department's home since 1950s, the temperature was 25 degrees Celsius, humidity 54% and pressure 987.7 hPa. However, it would take a while for the department to ascertain if the values are correct. Sahu said they will match the data gathered by them with the government data. They will use it for forecasting, but that has to be done "manually". The data won't be made public as of now.
The Rs 3.5-lakh station was set up from the prize money, which the department had won for "good practices" at DU's cultural festival, Antardhvani, last year.
Singh has been encouraging colleges, which teach geography, too to set up weather stations. "Geography is taught in 10 colleges. They are pretty uniformly distributed across the city. If they agree, we can have data from more locations in the city," Singh said adding, "Bhagat Singh College (morning) has already shown interest."
http://timesofindia.indiatimes.com/followceleb.cms?alias=weather station,microclimate?,Geography department,Delhi University,Delhi School of Economics
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