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Sajith Vezhapparambu

Asst. Professor, Amrita Center for Wireless Networks and Applications (AmritaWNA), Amritapuri

Qualification: Ph.D
sajithv@am.amrita.edu
Research Interest: Disaster Risk Reduction & Climate Change Resilience., Earth System Modeling, Geo-statistics, Land-Atmosphere Interactions, Remote Sensing and GIS

Bio Publications Experience Honors and Awards Project Reports Presentations & Posters
Bio

Sajith Vezhapparambu currently serves as an Assistant Professor at the Amrita Center for Wireless Networks & Applications (Amrita WNA), Amritapuri.

Experience Summary

  • Land surface-climate interactions (Tropical, Multitude and Arctic)
  • Land Surface-Atmosphere coupled modeling
  • Data Parsing and analysis of big data sets (Satellite data and climate model outputs) with Python, GDAL, ArcGIS, GrADS

Education

YEAR DEGREE/PROGRAM INSTITUTION
May 2011 Inter-disciplinary Ph.D. (Geosciences and Physics) University of Missouri- Kansas City, USA (UMKC) with a 3.914 GPA .
1995 January – 1997 January M.Sc Meteorology Cochin University of Science and Technology, India (CUSAT)
1991 – 1994 B.Sc Mathematics M.G. University, Kerala, India
Advanced GIS Developer Certificate University of Missouri Kansas City, USA

 

 

Publications

Journal Article

Year : 2018

Cooling Aerosols and Changes in Albedo Counteract Warming from CO2 and Black Carbon from Forest Bioenergy in Norway

Cite this Research Publication : A. Arvesen, Cherubini, F., Serrano, Gdel Alamo, Astrup, R., Becidan, M., Belbo, H., Goile, F., Grytli, T., Guest, G., Lausselet, C., Rørstad, P. Kristian, Rydså, M. Seljeskog, Skreiberg, Ø., Sajith Vezhapparambu, and Strømman, A. Hammer, “Cooling Aerosols and Changes in Albedo Counteract Warming from CO2 and Black Carbon from Forest Bioenergy in Norway”, Scientific Reports, vol. 8, 2018.

Publisher : Scientific Reports

Year : 2017

Spatial, Seasonal, and Topographical Patterns of Surface Albedo in Norwegian Forests and Cropland

Cite this Research Publication : F. Cherubini, Sajith Vezhapparambu, Bogren, W., Astrup, R., and Strømman, A. Hammer, “Spatial, Seasonal, and Topographical Patterns of Surface Albedo in Norwegian Forests and Cropland”, International Journal of Remote Sensing, vol. 38, pp. 4565-4586, 2017

Publisher : International Journal of Remote Sensing.

Year : 2013

Assessing the Impact of Land Use/land Cover and Climate Changes on Water Stress in the Derived Savanna

Cite this Research Publication : A. Amidu, Evison, K., Alabi, S., Sajith Vezhapparambu, and Jimmy, A., “Assessing the Impact of Land Use/land Cover and Climate Changes on Water Stress in the Derived Savanna”, Proceedings of H01, IAHS-IAPSO-IASPEI Assembly, 2013

Publisher : Proceedings of H01, IAHS-IAPSO-IASPEI Assembly

Year : 2009

Impacts of Land Use and Cover Change on Climate and Future Research Priorities

Cite this Research Publication : R. Mahmood, Pielke, R. A., Sr., K. G. Hubbard, Niyogi, D., Bonan, G., Lawrence, P., Baker, B., McNider, R., ,, Etter, A., Gameda, S., Qian, B., Carleton, A., Beltran-Przekurat, A., Chase, T., Quintanar, A. I., Adegoke, J. O., Sajith Vezhapparambu, Conner, G., Asefi, S., Sertel, E., Legates, D. R., Wu, Y., Hale, R., Frauenfeld, O. W., Watts, A., Shepherd, M., Mitra, C., Anantharaj, V. G., ,, Lund, R., Nordfelt, A., Blanken, P., Du, J., Chang, H. - I., Leeper, R., Nair, U. S., Dobler, S., Deo, R., and Syktus, J., “Impacts of Land Use and Cover Change on Climate and Future Research Priorities”, Bull. Amer. Meteor. Soc, , vol. 91, no. 1, pp. 37-46, 2009.

Publisher : Bull. Amer. Meteor. Soc,

Year : 2009

Surface Energy Balance Measurements Above an Exurban Residential Neighbourhood of Kansas City, Missouri

Cite this Research Publication : A. A. Balogun, Adegoke, J. O., Sajith Vezhapparambu, Mauder, M., McFadden, J. P., and Gallo, K., “Surface Energy Balance Measurements Above an Exurban Residential Neighbourhood of Kansas City, Missouri”, Boundary-Layer Meteorology, vol. 133, p. 299, 2009

Publisher : Boundary-Layer Meteorology .

Year : 2008

Composite Atmospheric Environments of Jet Contrail Outbreaks for the United States

Cite this Research Publication : A. M. Carleton, Travis, D. J., Master, K., and Sajith Vezhapparambu, “Composite Atmospheric Environments of Jet Contrail Outbreaks for the United States”, Journal of Applied Meteorology and Climatology, vol. 47, pp. 641-667, 2008

Publisher : Journal of Applied Meteorology and Climatology

Year : 2006

Evaluation of Daily and Diurnal Signals of Total Precipitable Water (TPW) Over the Indian Ocean based on TMI Retrieved 3-day Composite Estimates and Radiosonde Data

Cite this Research Publication : Sajith Vezhapparambu, O., A. Jimmy, K., R. Santosh, S., R. Mohan H., Vinod, K., and N., P. P., “Evaluation of Daily and Diurnal Signals of Total Precipitable Water (TPW) Over the Indian Ocean based on TMI Retrieved 3-day Composite Estimates and Radiosonde Data”, International Journal of Climatology, vol. 27, pp. 761-770, 2006

Publisher : International Journal of Climatology

Year : 2003

Intraseasonal oscillation of total precipitable water over North Indian Ocean and its application in the diagnostic study of coastal rainfall

Cite this Research Publication : Sajith Vezhapparambu, R., S. K., and S., R. Mohan H., “Intraseasonal oscillation of total precipitable water over North Indian Ocean and its application in the diagnostic study of coastal rainfall”, Geophysical Research Letters, vol. 30, 2003

Publisher : Geophysical Research Letters

Experience

Research Experience

2017 October – present Working as a Research Associate (Amrita Center for Wireless Networks and Applications, Amrita Viswa Vidyapeetham, Amrithapuri, Kerala, India) on a project named “Characterizing and modelling the impact of soil moisture heterogeneity on convective processes over the Indian subcontinent” funded by SERB, DST, Government of India.
Decadal Changes in soil moisture over the Indian sub-continent and its relationship with precipitation, using the soil moisture product from European Space Agency’s Climate Change Initiative (ESA-CCI), combining passive and active microwave derived data
2014 December –2016 December Worked as a Researcher in the project “Approaches for integrated assessment of forest ecosystem services under large scale bioenergy utilization (Ecoservice; Norwegian Research Council, 2014 – )”, Industrial Ecology, NTNU, Norway.
Main contribution: In Data parsing and harmonizing 12 years of data comprising MODIS albedo, climate parameters and LULC/forest inventory.
From 2012 May -2014 May Worked as a Post-Doctoral Research Associate, Natural Resources and the Environment, CSIR, South Africa.
Project title: Leveraging regional climate models to address land-atmosphere feedbacks. Validating and parameterizing CABLE (land surface model) using flux tower data.
From 2011-2012 Post-doctoral research associate
NASA ROSESNNH09ZDA001-IDS, “Interaction and feedbacks between biomass burning and water-cycle dynamics across the northern sub-Saharan African region”
From 2004-2011 PhD candidate at Department of Geosciences, University of Missouri-Kansas City (UMKC)
Teaching assistant, department of geosciences, UMKC; UMKC Dissertation Research Fellow; UMKC Chancellor’s Doctoral Fellow, Kansas city, USA.
From 2000-2004 Senior Research fellow (CUSAT, Kerala, India)
Worked on a Dissertation research, “Studies on the variations of moisture over North Indian Ocean during summer monsoon using TRMM Microwave Imager”.
From 1997-1999 Junior research Fellow (CUSAT, Kerala, India)
The environmental impact assessment project “Carrying capacity based development planning study for greater Kochi region” funded by Ministry of environment and forest, India. My duties included: Map making, air-pollution and high frequency meteorological data collection and analysis

Teaching Experience

From 2005:2012 Guest lecturer and laboratory instructor (Department of Geosciences, UMKC, USA)
At UMKC, I served as a guest lecturer for 2011-2012and a teaching assistant for the period of 2005-2010 for the following courses: (1) Introduction to weather and Climate; (2) Understanding the Earth- lab; (3) Introduction to GIS. (Arc View); and (4) Satellite Climatology. My responsibilities in those courses were: lecturing, participating in course and laboratory material development and running laboratory sessions.
Honors and Awards
  • UMKC Graduate school Dissertation research Fellowship for one year 2009-2010
  • UMKC Chancellor’s Doctoral Fellowship for two years 2007-2009
Project Reports
  • Sajith Vezhapparambu, Sally Archibald and Francois Engelbrecht, 2013: Towards a stable coupled Land-atmosphere modeling system. CSIR/NRE/GC/IR/2013/0053/B.
Presentations & Posters
  • Francesco Cherubini, Xiangping Hu, Sajith Vezhapparambu, and Anders Stromman, “High-resolution Mapping and Modelling of Surface Albedo in Norwegian Boreal Forests: From Remotely Sensed Data to Predictions”, EGU2017-8051, 2017
  • Archibald S., S. Vezhapparambu, R. J. Scholes, A. Nickless “Coupling the Land and the Atmosphere: Predicting carbon fluxes in Southern” , SA ICON workshop, August, 2012
  • Jimmy O. Adegoke , Sajith Vezhapparambu, Christopher L. Castro and Kevin P. Gallo “Land surface influence on summer climate predictability in the United States Midwest”: Conference: Climate Prediction Program for the Americas: PI’s Meeting, At Silver Spring, MD, September 2008.
  • Vezhapparambu, Sajith, Jimmy O. Adegoke, Christopher L. Castro, Roger A. Pielke Sr., Andrew M. Carleton, and Kevin P. Gallo: “The Impact of Soil Moisture and Surface Vegetation Variability on the Organization of Summer Convective Activity in the US Midwest: August 2000 Case Study”, NSF work shop (Detecting the Atmospheric Response to the Changing Face of the Earth: A Focus on Human-Caused Regional Climate Forcings, Land-Cover/Land-Use Change, and Data Monitoring, August 27-29, 2007 Boulder, CO)
  • Vezhapparambu, Sajith, Jimmy O. Adegoke, Diurnal Variability of Atmospheric Water Vapor Over North Indian Ocean Derived from TRMM/TMI and its Influence on Monsoon Variability, ( at the 2005 annual meeting of AAG, Denver, Colorado)

 

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