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Featured researches published by R. Latha.


Journal of Geophysical Research | 2014

Temporal variation of “solar dimming” induced by composite and carbonaceous aerosols: Observations from mineral‐rich eastern Indian region

R. Latha; B. S. Murthy; K. Lipi; Manoj Kumar; Supriya Das; N.C. Mahanti

Composite and carbonaceous aerosol radiative forcing (RF) over Ranchi (23.5°N, 85.3°E) in eastern India at monthly and seasonal scales during February 2011 to January 2012 is derived from mean optical properties obtained from Sun-sky radiometer and a radiative transfer model. Ranchi is located on the Chotanagpur plateau at 650 m above mean sea level; the region is unique with dense open active mines, a source of mineral aerosols with opposing optical properties such as coal and limestone. Diurnal mean composite aerosol RF at the surface, in the spectral band 0.3–3.0 µm increases from winter (December, January, February) to premonsoon (March, April, May) with maximum (−65 Wm−2) aerosol RF in March that is associated with highest black carbon (BC) aerosol optical depth (AOD), 0.05. Minimum surface aerosol RF occurs in July with minimum values of AOD and AODBC. Aerosol RF at top of the atmosphere is maximum (−17 Wm−2) in April, and is positive (+1.2 Wm−2) in March. On an average, carbonaceous aerosols (BC) contribute ~8.8% to total AOD and about 60% to total atmospheric absorption. A rapid increase of BC is seen in the postmonsoon with 1.0 µg m−3 in September to 3.0 µg m−3 in October. Aerosol-induced solar dimming is about 9.4% (premonsoon), 7.0% (monsoon), 10.6% (postmonsoon), and 10.2% (winter) of the surface radiation. Seasonal mean aerosol heating rate is observed to be maximum in premonsoon (~1.15°K/d−1), followed by postmonsoon, while winter and monsoon experience minimum (~0.45°K/d−1) heating, assuming typical aerosol profiles of the model.


Atmospheric Research | 2011

Boundary layer signatures of consecutive thunderstorms as observed by Doppler sodar over western India

R. Latha; B. S. Murthy


Atmospheric Environment | 2014

Effect of aerosols on evapo-transpiration

B. S. Murthy; R. Latha; Manoj Kumar; N. C. Mahanti


Aerosol and Air Quality Research | 2014

Aerosol Optical Properties and Composition over a Table Top Complex Mining Area in a Monsoon Trough Region

R. Latha; B. S. Murthy; Manoj Kumar; S. Jyotsna; Kumari Lipi; G. Pandithurai; N. C. Mahanti


Journal of Atmospheric and Solar-Terrestrial Physics | 2013

Boundary layer jet on the lee side of Western Ghats during southwest monsoon as revealed by high resolution sodar winds

B. S. Murthy; R. Latha; P. Sreeja


Journal of Atmospheric and Solar-Terrestrial Physics | 2012

Transient land breeze: Eclipse induced wind flow modifications—Observations over plant canopy

B. S. Murthy; R. Latha; P. Sreeja; T. Dharmaraj


Atmospheric Environment | 2013

Aerosol radiative forcing controls: Results from an Indian table-top mining region

R. Latha; B. S. Murthy; Manoj Kumar; Kumari Lipi; S. Jyotsna


Aerosol and Air Quality Research | 2017

Absorbing Aerosols, Possible Implication to Crop Yield - A Comparison between IGB Stations

R. Latha; B. S. Murthy; Kumari Lipi; Manoj Srivastava; Manoj Kumar


International Journal of Biometeorology | 2013

Response of Cassava canopy to mid-day pseudo sunrise induced by solar eclipse

R. Latha; B. S. Murthy


Journal of Atmospheric and Solar-Terrestrial Physics | 2011

Pre-monsoon/monsoon thunderstorm characteristics over Pune—An investigation using Doppler Sodar observations

B. S. Murthy; R. Latha; P. Sreeja; M. C. R. Kalapureddy; T. Dharmaraj; R.T. Waghmare

Collaboration


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B. S. Murthy

Indian Institute of Tropical Meteorology

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Manoj Kumar

Central University of Jharkhand

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P. Sreeja

Indian Institute of Tropical Meteorology

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Kumari Lipi

Birla Institute of Technology and Science

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N. C. Mahanti

Birla Institute of Technology and Science

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S. Jyotsna

Birla Institute of Technology and Science

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T. Dharmaraj

Indian Institute of Tropical Meteorology

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A. Shivaji

National Centre for Antarctic and Ocean Research

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Cini Sukumaran

Indian Institute of Tropical Meteorology

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K. Lipi

Birla Institute of Technology

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