Dr. Harjinder Sembhi

PDRA - Remote sensing of the atmosphere and land with thermal infrared sensors

Dr Harjinder Sembhi

Dr Harjinder Sembhi
Post-Doctoral Research Associate
Tel: [+44] (0)11 6 223 1810
Postal Address: Earth Observation Science, Michael Atiyah Building, Department of Physics and Astronomy, University Of Leicester, University Road, Leicester, UK, LE1 7RH

Current Research Areas

  • Characterising regimes of land stress across the Indo-Gangetic Plains using Earth Observation Datatsets

  • Towards an integrated approach for assessing the impact of climatic stresses on agriculture and the exchange of greenhouse gases on the Indo-Gangetic Plain

  • Development of CH4 satellite retrievals using GOSAT Thermal Infrared (TIR) spectra

  • Verification of global chemical transport models (CTMs) using short-wave (SWIR), TIR satellite, ground-based & aircraft observations

  • Detection of aerosols (volcanic and wildfire) and reactive gases from thermal sensors (H2SO4, SO2, VOCs, CO,NH3)

  • Land Surface Temperature (LST) retrievals and cloud detection methods for (A)ATSR, SLSTR

Project scientist:

  • Monitoring Atmospheric Composition and Climate (MACC-III)
  • GAUGE: Greenhouse gAs Uk and Global Emissions (NERC-funded)
  • A(ATSR) cloud detection methods over land (NERC-funded)
  • ESA CAMELOT (Composition of the Atmospheric Mission concEpts and SentineL Observation Techniques) study of the user requirements for ESA Sentinel 4 and 5 (precursor) missions
  • ESA MIPclouds project - building a retrieval processor for the retrieval of macro- and microphysical cloud parameters from MIPAS

Professional Activities:

Journal reviewer for Atmospheric Measurement Techniques, Atmospheric Science Letters and Journal of Geophysical Research

Member of the GOSAT thermal infrared calibration working group

Member of ESA MIPAS Quality working group (2003 – 2013)

Recent Publications:

Eichmann, K.-U., Lelli, L., von Savigny, C., Sembhi, H., and Burrows, J. P.: Global cloud top height retrieval using SCIAMACHY limb spectra: model studies and first results, Atmos. Meas. Tech. Discuss., 8, 8295-8352, doi:10.5194/amtd-8-8295-2015, 2015.

Bulgin, C.E., Sembhi. H, Ghent. D, Remedios, J., and Merchant, C.J, Cloud Clearing Techniques over Land for Land Surface Temperature Retrieval from the Advanced Along TRack Scanning Radiometer, International Journal of Remote Sensing,35, 10, 3594-3615, 2014

Raspollini, P., Carli, B., Carlotti, M., Ceccherini, S., Dehn, A., Dinelli, B. M., Dudhia, A., Flaud, J.-M., López-Puertas, M., Niro, F., Remedios, J. J., Ridolfi, M., Sembhi, H., Sgheri, L., and von Clarmann, T.: Ten years of MIPAS measurements with ESA Level 2 processor V6 – Part I: retrieval algorithm and diagnostics of the products, Atmos. Meas. Tech., 6, 2419-2439, doi:10.5194/amtd-6-2419-2013, 2013

Sembhi, H., Remedios, J., Trent, T., Moore, D. P., Spang, R., Massie, S., and Vernier, J.-P.: MIPAS detection of cloud and aerosol particle occurrence in the UTLS with comparison to HIRDLS and CALIOP, Atmos. Meas. Tech., 5, 2537-2553, doi:10.5194/amtd-5-2537-2012, 2012

For full list, see: http://www2.le.ac.uk/departments/physics/research/eos/group-publications

Recent Talks

Sembhi, H, H. Boesch, R. Parker, R. Siddans, D. Knappett, S. Gonzi, L. Feng, P. Palmer, C. Wilson, M. Chipperfield,  Evaluation of global chemical transport model methane estimates with GOSAT shortwave infrared and IASI thermal infrared measurements, ESA Living Planet Symposium, Prague, Czech Republic, May 2016.

Sembhi, H., R.Parker and  H.Boesch, Tropospheric Methane Retrievals from GOSAT Thermal Infrared Soundings,ESA Atmospheric Science Conference, Heraklion, Crete, June, 2015.

Sembhi, H., R.Parker, A. Webb & H.Boesch, L.Feng, A.Fraser & P. Palmer, GOSAT CH4 & CO2 Retrievals: Algorithm Development, Inter-Comparisons and Inverse Flux Estimates, GOSAT RA, Tsukuba, Japan, June, 2014.

Sembhi, H., Ghent, D., Remedios, J., Bulgin, C., Merchant, C.J., Improving Cloud Detection for AATSR Land Surface Temperature Retrievals, ESA Living Planet Symposium, Edinburgh, UK, September 2013

Sembhi, H., Moore, D.P., Fromm, M., Trent, T., and Remedios, J.J, Volcanic plumes in the UTLS: Detection & spectral signatures from MIPAS, Volcanic Ash Meeting, Oxford University, England, August, 2012 (invited).

Awards:

Inspirational BME Woman in Science, University of Leicester, 2015

Aurora Leadership Foundation, University of Leicester, 2017

Outreach and Other Activities:

  • Member of the University of Leicester, Department of Physics Equality and Diversity Working Group (EDWG)
  • Co-organiser of  Space Girls Space Women (ESA, SIPA PRESS, NEREUS) exhibition for International Women's Day celebration in the Dept. Physics and Astronomy, March 2016 (with Dr Rhaana Starling)
  • Outreach contributions at "Celebrating 50 years as a University" open day event (2008), BBC stargazing live (2015)
  • Organiser of the "Space Research for Life on Earth" outreach exhibition, Council Chambers, University of Leicester, December 2013 (with Prof George Fraser, Rosie Leigh, John Remedios and Guy Peters)
  • Organiser of astronaut Colonel Chris Hadfield's visit to Leicester (December 2013). See https://www.youtube.com/watch?v=81lITJf5Kho to hear Chris talk about space exploration at the University of Leicester

Press Releases and "informal" presentations

  • http://www.leicestermercury.co.uk/astronaut-chris-hadfield-to-meet-fans-at-the-national-space-centre-in-october/story-29525434-detail/story.html
  • http://www2.le.ac.uk/offices/press/press-releases/2015/october/celebrating-ethnic-diversity-event-to-recognise-university-of-leicester-inspirational-figures
  • http://www2.le.ac.uk/offices/press/press-releases/2013/november/former-nasa-astronaut-and-social-media-star-to-teach-leicester-how-to-2018think-like-an-astronaut2019
  • http://www.leicestermercury.co.uk/Space-Oddity-Bowie-astronaut-Colonel-Chris/story-20071939-detail/story.html
  • http://www.le.ac.uk/ebulletin-archive/ebulletin/news/press-releases/2000-2009/2005/06/nparticle-9rk-6m7-49c.html

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EOS News
  • EOS congratulates Robert Parker on the award of an ESA Living Planet Fellowship in exploring the global carbon cycle through observations of greenhouse gas atmospheric variability.
  • EOS is pleased to announce that the NERC National Centre for Earth Observation is now led from the University of Leicester under the Directorship of Professor John Remedios.
  • EOS congratulates Joshua Vande Hey on the award of a NERC Knowledge Exchange Fellowship.
Announcements

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