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Dr. Alka Singh

Asst. Professor

Dr. Alka Singh currently serves as an Assistant Professor (SLG) at the Amrita Center for Wireless Networks & Applications (Amrita WNA), Amritapuri Kerala.

alkasingh@am.amrita.edu
Research Interest: Earth Science, Geo Informatics

Bio

Dr. Alka Singh currently serves as an Assistant Professor (SLG) at the Amrita Center for Wireless Networks & Applications (Amrita WNA), Amritapuri Kerala.

Dr. Alka’s area of expertise is in remote sensing of hydrology. She is interested in solving Earth Science-related problems with a holistic and sustainable approach.

Education

2017-2020 Postdoc from NASA USA NASA Goddard Space Flight Centre, Greeenbelt, Maryland, USA   Jet Propulsion Laboratory (NASA) & California Institute of Technology (Caltech), Pasadena, California (U.S.A)
2010-2017 Ph. D. from TUM Germany The Technical University of Munich, Germany on hydrological mass variations
2007-2009 M. Sc. Geioinformatics from ITC Netherlands Faculty Geo-Information Science and Earth Observation, Enschede, the Netherlands and Indian Institute of Remote Sensing, Dehradun.
2005- 2009 Adv Diploma in RS and GIS from JMI New Delhi Jamia Milia Islamia New Delhi
Publications

Journal Article

Year : 2021

Estimation of hydrological drought recovery based on precipitation and Gravity Recovery and Climate Experiment (GRACE) water storage deficit

Authors : Dr. Alka Singh, Alka Singh; Reager, John Thomas;Behrangi, Ali

Publisher : Hydrology and Earth System Sciences, Copernicus GmbH

Alka Singh, Reager, J. Thomas, and Behrangi, A., “Estimation of hydrological drought recovery based on precipitation and Gravity Recovery and Climate Experiment (GRACE) water storage deficit”, Hydrology and Earth System Sciences, vol. 25, no. 2, pp. 511–526, 2021.

Year : 2019

Assessing gauge undercatch correction in Arctic basins in light of GRACE observations

Authors : Dr. Alka Singh, Behrangi, Ali; Song, Yang; Panahi, Milad

Publisher : Geophysical Research Letters, Wiley Online Library

A. Behrangi, Alka Singh, Song, Y., and Panahi, M., “Assessing gauge undercatch correction in Arctic basins in light of GRACE observations”, Geophysical Research Letters, vol. 46, no. 20, pp. 11358–11366, 2019.

Year : 2018

On the desiccation of the South Aral Sea observed from spaceborne missions

Authors : Dr. Alka Singh, Behrangi, Ali; Fisher, Joshua B; Reager, John T

Publisher : Remote Sensing, Multidisciplinary Digital Publishing Institute

Alka Singh, Behrangi, A., Fisher, J. B., and Reager, J. T., “On the desiccation of the South Aral Sea observed from spaceborne missions”, Remote Sensing, vol. 10, no. 5, p. 793, 2018.

Year : 2016

Water budget analysis within the surrounding of prominent lakes and reservoirs from multi-sensor earth observation data and hydrological models: case studies of the Aral Sea and Lake Mead

Authors : Dr. Alka Singh, Seitz, Florian; Eicker, Annette; Güntner, Andreas

Publisher : Remote sensing, Multidisciplinary Digital Publishing Institute, Volume 8, Issue 11, p.953

Alka Singh, Seitz, F., Eicker, A., and Güntner, A., “Water budget analysis within the surrounding of prominent lakes and reservoirs from multi-sensor earth observation data and hydrological models: case studies of the Aral Sea and Lake Mead”, Remote sensing, vol. 8, no. 11, p. 953, 2016.

Year : 2015

Remote sensing of storage fluctuations of poorly gauged reservoirs and state space model (ssm)-based estimation

Authors : Dr. Alka Singh, Kumar, Ujjwal; Seitz, Florian

Publisher : Remote Sensing, Multidisciplinary Digital Publishing Institute

Alka Singh, Kumar, U., and Seitz, F., “Remote sensing of storage fluctuations of poorly gauged reservoirs and state space model (ssm)-based estimation”, Remote Sensing, vol. 7, pp. 17113–17134, 2015.

Year : 2013

Application of Multi-Sensor Satellite Data to Observe Water Storage Variations

Authors : Dr. Alka Singh, Alka Singh; Seitz, Florian; Schwatke, Christian

Publisher : IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing

Alka Singh, Seitz, F., and Schwatke, C., “Application of Multi-Sensor Satellite Data to Observe Water Storage Variations”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 6, no. 3, pp. 1502-1508, 2013.

Year : 2012

A wavelet-based approach for monitoring plantation crops (tea: Camellia sinensis) in North East India

Authors : Dr. Alka Singh, Dutta, Rishiraj; Stein, Alfred; Bhagat, Rajib M

Publisher : International journal of remote sensing, Taylor & Francis

Alka Singh, Dutta, R., Stein, A., and Bhagat, R. M., “A wavelet-based approach for monitoring plantation crops (tea: Camellia sinensis) in North East India”, International journal of remote sensing, vol. 33, no. 16, pp. 4982–5008, 2012.

Conference Paper

Year : 2020

Assimilating SMAP soil moisture dynamics into LPJ Land surface model in the ABoVE domain: Implications for the carbon cycle research

Authors : Dr. Alka Singh, Zhang Z.; Chatterjee A.; Ott L.; Poulter A.

Publisher : 2020 ABoVE Science Team Meeting (ASTM-6) Virtual Meeting (Poster Presentation)

Zhang Z.; Chatterjee A.; Ott L.; Alka Singh and Poulter A., “Assimilating SMAP soil moisture dynamics into LPJ Land surface model in the ABoVE domain: Implications for the carbon cycle research”, in 2020 ABoVE Science Team Meeting (ASTM-6) Virtual Meeting (Poster Presentation), 2020.

Year : 2018

Probabilistic drought recovery analysis using GRACE and precipitation data

Authors : Dr. Alka Singh, Reager, John T; Behrangi, Ali

Publisher : The American Geophysical Union (AGU) (Oral Presentation)

Alka Singh, Reager, J. T., and Behrangi, A., “Probabilistic drought recovery analysis using GRACE and precipitation data”, in The American Geophysical Union (AGU) (Oral Presentation), Washington DC, USA, 2018.

Year : 2018

Improved understanding of terrestrial water-carbon linkages using satellite soil moisture and a dynamic global vegetation model

Authors : Dr. Alka Singh, Chatterjee, Abhishek; Poulter, Benjamin; Zhang, Zhen

Publisher : The American Geophysical Union (AGU) (Oral Presentation)

Alka Singh, Chatterjee, A., Poulter, B., and Zhang, Z., “Improved understanding of terrestrial water-carbon linkages using satellite soil moisture and a dynamic global vegetation model”, in The American Geophysical Union (AGU) (Oral Presentation), San Francisco, California, USA, 2018.

Year : 2017

A Utilizing a suite of NASA satellite missions for analysis of the Aral Sea desiccation

Authors : Dr. Alka Singh, Behrangi, A.

Publisher : Postdoc Research day at the Jet Propulsion Lab (Poster Presentation)

Alka Singh and Behrangi, A., “A Utilizing a suite of NASA satellite missions for analysis of the Aral Sea desiccation”, in Postdoc Research day at the Jet Propulsion Lab (Poster Presentation), Caltech, Pasadena, USA, 2017.

Year : 2017

Utilizing a suite of satellite missions to address poorly constrained hydrological fluxes

Authors : Dr. Alka Singh, Behrangi, Ali; Fisher, Joshua; Reager, John T; Gardner, Alex S

Publisher : The American Geophysical Union (AGU) (Oral Presentation)

Alka Singh, Behrangi, A., Fisher, J., Reager, J. T., and Gardner, A. S., “Utilizing a suite of satellite missions to address poorly constrained hydrological fluxes”, in The American Geophysical Union (AGU) (Oral Presentation), New Orleans, Louisiana, USA, 2017.

Year : 2015

Estimation and prediction of the ungauged basins using satellite remote sensing and state space model

Authors : Dr. Alka Singh, Seitz, F; Kumar, U

Publisher : The International Union of Geodesy and Geophysics (IUGG) (Oral Presentation)

Alka Singh, Seitz, F., and Kumar, U., “Estimation and prediction of the ungauged basins using satellite remote sensing and state space model”, in The International Union of Geodesy and Geophysics (IUGG) (Oral Presentation), Prague, Czech Republic, 2015.

Year : 2014

How heavy are extreme weather events?

Authors : Dr. Alka Singh, Abelen, S; Schnitzer, S; Seitz, F; Abarca del Rio, R; Güntner, A

Publisher : WCRP-ICTP Summer School on Attribution and Prediction of Extreme Events (Poster Presentation)

S. Abelen, Schnitzer, S., Alka Singh, Seitz, F., R del Rio, A., and Güntner, A., “How heavy are extreme weather events?”, in WCRP-ICTP Summer School on Attribution and Prediction of Extreme Events (Poster Presentation), Trieste, Italy, 2014.

Year : 2013

Hydrological storage variations in a lake water balance, observed from multi-sensor satellite data and hydrological models.

Authors : Dr. Alka Singh, Seitz, Florian; Schwatke, Christian; Guentner, Andreas

Publisher : European Geosciences Union General Assembly 2013 (Oral Presentation)

Alka Singh, Seitz, F., Schwatke, C., and Guentner, A., “Hydrological storage variations in a lake water balance, observed from multi-sensor satellite data and hydrological models.”, in European Geosciences Union General Assembly 2013 (Oral Presentation), Vienna, Austria , 2013.

Year : 2012

Volumetric and Gravimetric variations in the Aral Sea observed from multi-sensor Satellite data, GRACE and hydrological models

Authors : Dr. Alka Singh, Alka Singh; Seitz, F; Güntner, A

Publisher : ESA EO Summer School 2012 (Poster Presentation)

Alka Singh, Seitz, F., and Güntner, A., “Volumetric and Gravimetric variations in the Aral Sea observed from multi-sensor Satellite data, GRACE and hydrological models”, in ESA EO Summer School 2012 (Poster Presentation), Frascati, Italy, 2012.

Year : 2012

Mapping Specific Crop- A Multi-Sensor Temporal Approach

Authors : Dr. Alka Singh, Misra, Gourav; Kumar, Anil; Patel, NR; Zurita-Milla, Raúl

Publisher : IGARSS (IEEE International Geoscience and Remote Sensing Symposium) (Oral Presentation)

G. Misra, Kumar, A., Patel, N. R., Zurita-Milla, R., and Alka Singh, “Mapping Specific Crop- A Multi-Sensor Temporal Approach”, in IGARSS (IEEE International Geoscience and Remote Sensing Symposium) (Oral Presentation), München, Germany, 2012.

Year : 2012

Water storage variations in the Aral Sea from multi-sensor satellite data in comparison with results from GRACE gravimetry

Authors : Dr. Alka Singh, Seitz, Florian

Publisher : (IGARSS) IEEE International Geoscience and Remote Sensing Symposium (Oral Presentation)

Alka Singh and Seitz, F., “Water storage variations in the Aral Sea from multi-sensor satellite data in comparison with results from GRACE gravimetry”, in (IGARSS) IEEE International Geoscience and Remote Sensing Symposium (Oral Presentation), München, Germany, 2012.

Year : 2012

Application of the Satellite Altimetry over Terrestrial Water Body: A Case Study on Aral Sea

Authors : Dr. Alka Singh, Seitz, F; Schwatke, C; Bosch, W

Publisher : 20 Years of Progress in Radar Altimetry (Poster Presentation)

Alka Singh, Seitz, F., Schwatke, C., and Bosch, W., “Application of the Satellite Altimetry over Terrestrial Water Body: A Case Study on Aral Sea”, in 20 Years of Progress in Radar Altimetry (Poster Presentation), Venice, Italy, 2012.

Year : 2012

Compartmental water storage changes from multi-sensor data and their signatures in GRACE observations

Authors : Dr. Alka Singh, Seitz, F; Abelen, S; Schnitzer, S

Publisher : SPP 1257 Workshop on GRACE-Hydrology (Oral Presentation)

F. Seitz, Abelen, S., Alka Singh, and Schnitzer, S., “Compartmental water storage changes from multi-sensor data and their signatures in GRACE observations”, in SPP 1257 Workshop on GRACE-Hydrology (Oral Presentation), Bonn, Germany, 2012.

Year : 2012

Geometrical and gravimetrical observations of the Aral Sea and its tributaries along with hydrological models

Authors : Dr. Alka Singh, Seitz, F; Schwatke, C; Güntner, A

Alka Singh, Seitz, F., Schwatke, C., and Güntner, A., “Geometrical and gravimetrical observations of the Aral Sea and its tributaries along with hydrological models”, in European Geosciences Union General Assembly (Poster Presentation), Vienna, Austria, 2012.

Year : 2012

Observations of Water Storage Variations in the Aral Sea from Multi-sensor Satellite data

Authors : Dr. Alka Singh, Seitz, F; Schwatke, C

Publisher : 2nd IAHR Europe Congress (Oral Presentation)

Alka Singh, Seitz, F., and Schwatke, C., “Observations of Water Storage Variations in the Aral Sea from Multi-sensor Satellite data”, in 2nd IAHR Europe Congress (Oral Presentation), Munich, Germany, 2012.

Year : 2012

Inter-annual water storage changes in the Aral Sea from multi-mission satellite altimetry, optical remote sensing, and GRACE satellite gravimetry

Authors : Dr. Alka Singh, Seitz, Florian; Schwatke, Christian

Publisher : Geodätische Woche 2011

Alka Singh, Seitz, F., and Schwatke, C., “Inter-annual water storage changes in the Aral Sea from multi-mission satellite altimetry, remote sensing, and GRACE satellite gravimetry”, in Geodätische Woche 2011 (Oral Presentation), Nürnberg, Germany, 2011.

Year : 2011

Inter-annual water storage changes in the Aral Sea from multi-mission satellite altimetry, remote sensing

Authors : Dr. Alka Singh

Publisher : Geodätische Woche 2011 (Oral Presentation)

Alka Singh, Seitz, F., and Schwatke, C., “Inter-annual water storage changes in the Aral Sea from multi-mission satellite altimetry, remote sensing, and GRACE satellite gravimetry”, in Geodätische Woche 2011 (Oral Presentation), Nürnberg, Germany, 2011.

Year : 2011

Changing hydrology of the Aral Sea: Results from satellite altimetry, GRACE satellite gravimetry and hydrological modeling

Authors : Dr. Alka Singh, Seitz, Florian; Schwatke, C; Schmidt, Michael; Güntner, Andreas

Publisher : European Geosciences Union General Assembly 2011

Alka Singh, Seitz, F., Schwatke, C., Schmidt, M., and Güntner, A., “Changing hydrology of the Aral Sea: Results from satellite altimetry, GRACE satellite gravimetry and hydrological modeling”, in European Geosciences Union General Assembly 2011 (Poster Presentation), Vienna, Austria, 2011.

Year : 2007

Spatio-Temporal Land Transformation and demographic analysis of Delhi

Authors : Dr. Alka Singh

Publisher : In National Conference on Environmental Development and Health (Oral Presentation)

Alka Singh, “Spatio-Temporal Land Transformation and demographic analysis of Delhi”, in In National Conference on Environmental Development and Health (Oral Presentation), Aligarh Muslim University, Aligarh, India, 2007.

Year : 2007

Monitoring tea plantations in India using remote sensing approaches

Authors : Dr. Alka Singh

Publisher : In National Conference on Environmental Development and Health (Oral Presentation)

Alka Singh, “Spatio-Temporal Land Transformation and demographic analysis of Delhi”, in In National Conference on Environmental Development and Health (Oral Presentation), Aligarh Muslim University, Aligarh, India, 2007.

Conference Proceedings

Year : 2012

Mapping specific crop- A multi sensor temporal approach

Authors : Dr. Alka Singh, Misra, G.; A. Kumar; Patel, N. R.; Zurita-Milla, R.

Publisher : 2012 IEEE International Geoscience and Remote Sensing Symposium

G. Misra, A. Kumar, Patel, N. R., Zurita-Milla, R., and Alka Singh, “Mapping specific crop- A multi sensor temporal approach”, 2012 IEEE International Geoscience and Remote Sensing Symposium, vol. 6. pp. 3034–3037, 2012.

Year : 2012

Water storage variations in the Aral Sea from multi-sensor satellite data in comparison with results from GRACE gravimetry

Authors : Dr. Alka Singh, Seitz, Florian

Publisher : IEEE International Geoscience and Remote Sensing Symposium (IGARSS)


Alka Singh and Seitz, F., “Water storage variations in the Aral Sea from multi-sensor satellite data in comparison with results from GRACE gravimetry”, 2012 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), , vol. 6. IEEE International, pp. 3042 - 3045 , 2012.

Year : 2012

Observations of Water Storage Variations in the Aral Sea from Multi-sensor Satellite data

Authors : Dr. Alka Singh, Seitz, F; Schwatke, C

Publisher : 2nd IAHR Europe Congress

Alka Singh, Seitz, F., and Schwatke, C., “Observations of Water Storage Variations in the Aral Sea from Multi-sensor Satellite data”, 2nd IAHR Europe Congress, Water Infinitely Deformable but Still Limited. Bavarian State Library, Munich & German National Library, Frankfurt, 2012.

Year : 2007

Monitoring tea plantations in India using remote sensing approaches

Authors : Dr. Alka Singh, Dutta, R; Bhagat, RM

Publisher : 7th FIG Regional Conference. Spatial Data Serving People: Land Governance and the Environment–Building the Capacity FIG Surveyor's Reference Library (Commission 6: Engg. Surveys)

R. Dutta, Bhagat, R. M., and Alka Singh, “Monitoring tea plantations in India using remote sensing approaches”, 7th FIG Regional Conference. Spatial Data Serving People: Land Governance and the Environment–Building the Capacity FIG Surveyor's Reference Library (Commission 6: Engg. Surveys). Hanoi, Vietnam, 2007.

Book Chapter

Year : 2017

Dynamics of water mass variations in lake/reservoir dominated regions from multi-sensor Earth observation data and hydrological model outputs

Authors : Dr. Alka Singh

Publisher : Online in the Library of the Technical University of Munich (TUM)

Alka Singh, “Dynamics of water mass variations in lake/reservoir dominated regions from multi-sensor Earth observation data and hydrological model outputs”, in Ph.D. Dissertation, Munich, Germany: Online in the Library of the Technical University of Munich (TUM), 2017.

Year : 2009

An assessment of urban environmental issues using remote sensing and GIS techniques an integrated approach: A case study: Delhi, India

Authors : Dr. Alka Singh, Rahman, Atiqur; Netzband, Maik; Javed, M

Publisher : Committee for International Cooperation in National Research in Demography (CICRED)

A. Rahman, Netzband, M., Alka Singh, and Javed, M., “An assessment of urban environmental issues using remote sensing and GIS techniques an integrated approach: A case study: Delhi, India”, in Urban Population-Environment Dynamics in the Developing World: Case Studies an Lessons Learned, International Cooperation in National Research in Demography (CICRED), Paris, Committee for International Cooperation in National Research in Demography (CICRED), 2009, pp. 181–211.

Year : 2009

Analyzing Tea replantation pattern by wavelet and geospatial technique

Authors : Dr. Alka Singh

Publisher : Library of Faculty of Geo-Information Science and Earth Observation, ITC

Alka Singh, “Analyzing Tea replantation pattern by wavelet and geospatial technique”, in M.Sc. Dissertation , Library of Faculty of Geo-Information Science and Earth Observation, ITC , 2009.

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