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Mr. Sumesh R K

Project Scientist II, Atmospheric Science Group (ASG)

Email : This email address is being protected from spambots. You need JavaScript enabled to view it.

Phone(Off) : 0471-2511642

Education:

M.Sc. : 2010, Electronics Science from Department of Electronics,Cochin University of Science & Technology (CUSAT) .

Professional career:

2018 - Present Project Scientist B, National Centre for Earth Science Studies.
2016 - 2017 Project Assistant II, National Centre for Earth Science Studies.
2014 - 2016 Junior Research Fellow, National Centre for Earth Science Studies.
2013 - 2014 Project Fellow,National Centre for Earth Science Studies.

Research Interest:

Cloud Physics and lightning, Aerosols and air pollution, Instrumentation electronics.

Publication/Conference:

  1. R. K. Sumesh, K. Rajeevan, E. A. Resmi, C. K. Unnikrishnan, (2017). Particulate Matter Concentrations in the Southern Tip of India: Temporal Variation, Meteorological Influences, and Source Identification. Earth Systems and Environment, 1:13.1. R. K. Sumesh, K. Rajeevan, E. A. Resmi, C. K. Unnikrishnan, (2017). Particulate Matter Concentrations in the Southern Tip of India: Temporal Variation, Meteorological Influences, and Source Identification. Earth Systems and Environment, 1:13.
  2. Rajeevan, K. and Sumesh, R. K. 2016. Diurnal and Seasonal variation of Atmospheric CO2 over Trivandrum, India, International Journal of Current Research, 8, (02), 26085-26092.
  3. Sumesh R. K., Rajeevan K. Concentration of particulate matters (PM10 & PM2.5) and their relationship with meteorological parameters at a tropical coastal station in Thiruvananthapuram, India. TROPMET 2016. SOA University, Bhubaneswar, 18 -21 Decmeber 2016.
  4. Rajeevan K., R. K. Sumesh, E. A. Resmi (2017), Characteristics of black carbon and its influence on meteorology over a tropical coastal station Thiruvananthapuram, Proceedings of 29th Kerala Science Congress, 04-16: 469-481.
  5. Sumesh R. K., Unnikrishnan C. K., Rajeevan K., Resmi E. A. Influence of Sea Surface Temperature anomalies on Particulate Matter and Black Carbon Concentrations at Southern tip of India. International conference on ‘Understanding, Predicting and projecting Climate change over Asian Region. NARL, Tirupati, June 26-28, 2017.
  6. Unnikrishnan C. K., Sumesh R. K and Rajeevan K. The relationship between Sea Surface Temperature and Surface Latent-Sensible heat flux in Central India, OSICON2017, 28-30 Aug., 2017, NCESS, Thiruvananthapuram.
  7. Sumesh R. K., Unnikrishnan C. K., Resmi E. A., Rajeevan K. Spatial and Vertical distribution of Aerosol Characteristics Observed by Satellites and its relationship with ground based measurements over Thiruvananthapuram. INTROMET2017.
  8. Unnikrishnan C. K, Resmi E. A, Sreekanth T. S, Sumesh R. K., Dharmadas Jash, Nita Sukumar and Rajeevan K. Cloud cover and Cloud base height in the south west coast and Western Ghats, INTROMET2017
  9. Sumesh R K, Resmi E A, Unnikrishnan CK, Dharmadas Jash, Sreekanth, T S, Mol Resmi M C, Rajeevan K, Nita S, Ramachandran K K, 2019, Microphysical aspects of tropical rainfall during Bright Band events at mid and high-altitude regions over Southern Western Ghats, India. Atmospheric Research, 227 178–197. (IF:3.7).

 

 

 

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Dr. Anand Singh.

Project Scientist-C, Crustal Processes (CrP)

Email : This email address is being protected from spambots. You need JavaScript enabled to view it.

Phone(Off) : 0471-2511635

Fax : 0471-2442280

Education:

Ph.D. : 2017, Geophysical Inversion, Department of Geology and Geophysics, Indian Institute of Technology Kharagpur, India.
Thesis : Development of Fast Imaging Technique for VLF Electromagnetic data and Enhancement in Resistivity Imaging using Cooperative and Joint Inversion.
M.Sc. : 2012, Geophysics, Department of Geology and Geophysics, Indian Institute of Technology Kharagpur, India
B.Sc. : 2010; Mathematics, Physics and Geology; University of Allahabad

Professional career:

2017(26th Dec) - Present Project Scientist C, National Centre for Earth Science Studies.
2017(16th Nov) - 2017(18th Dec) Project Scientist-(R-1), CSIR-National Geophysical Research Institute .
2017(10th Oct) - 2017(27th Oct) Senior Visiting Researcher, National Central University, Taiwan.

Research Interest:

Modeling and inversion of Electrical and Electromagnetic data

Joint inversion of multi geophysical data using petrophysical constrains

Unstructured grid based numerical modeling/inversion

Geophysical interpretation software development

Mineral and groundwater exploration

Publications:

  1. [2017] Singh A., Sharma S.P, Identification of different geologic units using fuzzy constrained resistivity tomography, Journal of applied geophysics, 148:127-138.
  2. [2017] Singh A., Sharma S.P., Akca I., Baranwal V.C., Fuzzy Constrained Lp-norm Inversion of Direct Current Resistivity Data, Geophysics, 83(1): E11-E24.
  3. [2016] Singh A., Sharma S.P., Interpretation of Very Low Frequency electromagnetic measurements in terms of normalized current density over variable topography. Journal of Applied Geophysics 133: 82-91
  4. [2016] Singh A., Biswas A., Application of global particle swarm optimization for inversion of residual gravity anomalies over geological bodies with idealized geometries, Natural Resources Research, 25:297-314
  5. [2015] Singh A., Sharma S.P., Fast Imaging of Subsurface Conductors using Very Low Frequency Electromagnetic Data , Geophysical Prospecting, 63 (6): 1355-1370
  6. [2017] Kumar S., Singh A., Dhar A., Parameter extraction using global particle swarm optimization approach and the influence of polymer processing temperature on the solar cell parameters. AIP Advances 7, 085117.(*collaborative work with other departments)
  7. [2016] Srivastava S., Gupta D.K., Singh A., An iterative method for solving singular linear systems with index one, Afrika Matematika 27:815. (*collaborative work with other departments)

Trainings/Conferences/Workshops Attended:

  1. Distinguished Instructor Short Course (DISC), conducted by Prof. D. Oldenburg, 27-28 February, 2017 at Kolkata, India.
  2. Reservoir Simulation Workshop, 5-7 January, 2017 at Dept. of Petroleum Engineering, IIT-Kharagpur, India.
  3. ONGC-Academia Workshop on Recent trend in petroleum exploration technology, 10-14 February, 2014 at Kolkata, India.
  4. Near Surface Geophysics Workshop, 27-29 January, 2013 at National Geophysical Research Institute (NGRI), Hyderabad, Andhra Pradesh, India.
  5. 2nd Indo-German Workshop on Magnetotelluric data acquisition, processing and modeling, 1-3 November, 2012 at Institute of Seismological Research (ISR), Gandhinagar, Gujarat, India.

 

Online Payment Services

Laboratory EMD TA/OA Others

atmospheric science

Air Quality Monitoring Lab (MAPAN)

 

Continuous Ambient Air Quality Monitoring Station (CAAQMS) at NCESS Campus is equipped with all the necessary analyzers required for Ambient Air Quality monitoring, calibration equipment, data acquisition hardware and software with complete power backup. The system is installed as a part of IITM - NCESS collaborative project on Modelling Air Pollution and Networking (MAPAN) sponsored by Ministry of Earth Sciences, Govt. of India.

Met One BAM 1020

BAMMeasures ambient particulate matter concentrations (PM10 & PM2.5) using beta ray attenuation.
Measurement resolution is 0.24 μg in 1mg range, 2.4 μg in 10mg range, 12 bit resolution.
Data Resolution is 1 μg/m3.
Data Interval is Hourly concentration values.
Flow Rate is 16.7 liters per minute.
Glass fiber filter tape is used to collect dust samples, 60 days of operation per roll. Standard 8x40 character LCD with dynamic keypad. Isolated 0 –1 VDC analog output.
RS-232 serial port with USB converter for serial interface.

Ecotech Serinus 30 CO analyser

ECOTECHMeasure CO in ambient air, in the range of 0- 200ppm to a sensitivity of 0.05 ppm. Microprocessor control and Proven Gas Filter Correlation (GFC) combined with Non-Dispersive Infrared Spectrophotometry (NDIR) technology. Sample flow rate is 1 slpm. Analog output voltage of 0 to 5 V.RS232 digital communication or termination panel connections and USB port connection on rear panel.USB stick memory for data logging, event logging and parameter storage.

Ecotech Serinus 10 O3 analyser

ECOTECH 10Measure ozone to a sensitivity of 0.5ppb in the range of 0-20ppm. Uses non-dispersive ultraviolet (UV) absorption technology. Mercury vapour lamp – to provide detector input. (254nm UV Light Source). Photodiode detector – to capture the measurement response. Analog output voltage of 0 to 5 V. RS232 digital communication or termination panel connections and USB port connection on rear panel. USB stick memory for data logging, event logging and parameter storage.

Ecotech Serinus 40 NOx analyser

ECOTECH 40Continuous analysis of nitric oxide (NO), total oxides of nitrogen (NOx) and nitrogen dioxide (NO2). Uses gas phase chemilluminescence detection method. Measures to a sensitivity of 0.4 ppb in the range of 0-20 ppm.
RS232 digital communication or termination panel connections and USB port connection on rear panel.
USB stick memory for data logging, event logging and parameter storage.

Magee Scientific Aethalometer

MageeReal-time analysis of Black Carbon (BC) aerosol concentration.
Measuring the rate of change in absorption of transmitted light at 7 wavelengths by aerosol deposit on filter tape.
User selectable flow rate; 2 to 5 LPM
Quartz fiber filter tape is used for sample collection.
Digital data is available via rear RS-232 (COM) port.
Analog data is available via rear panel terminals representing Black Carbon data as 0~5 volt DC signal. 4-line display screen with keypad and status indication color LED’s. Built-in data storage facility.

Synspec Alpha 115 GC

SynspecReal time analysis of methane and the sum of all other hydrocarbons in air (TNMHC). Real gas chromatograph which contains a compact oven with a column with a special layered packing and FID detector. Measurement range is 0.1 – 10 ppm for Methane, 05 – 20 ppm for TNMHC. Windows Xpe Embedded computer hardware with Pentium class processor. Direct control via external screen, keyboard and mouse. Digital and Analog output ports, RS232, USB connections are available for transmitting concentration data to an external data logger.

SONIMIX 3080 Hydrogen generator

SONIMIXInstrument composed of a Hydrogen generator as well as a Zero Air generator. Used to supply hydrogen for FID in Alpha 115 GC. Uses membrane electrolysis technology for the production of electrolytic hydrogen. Outlet pressure can be adjustable between 0.1 and 6 bar.
Rs232 interface for external PC connection.

Ecotech GasCal 1100

Ecotech GasCalUsed in conjunction with gas analysers (CO, O3, NOx) to provide precise and constant volumes of zero air or dilutions of span gas. One input standard gas dilution, 170-200 kPa. One to four input gas sources, 170-200 kPa. Programmable through front panel keyboard or computer. Standard RS-232 port is available to connect an Ecotech 8301-LC Zero Air Source as diluent.

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