Publications
- Navale, A., & Karthikeyan, L. (2022). Understanding recycled precipitation at different spatio-temporal scales over India: An Eulerian water tagging approach.
Water Resources Research, 59, e2022WR032605.
- Konkathi, P., & Karthikeyan, L. (2022). Error and uncertainty characterization of soil moisture and VOD retrievals obtained from L-band SMAP radiometer.
Remote Sensing of Environment, 280, 113146.
- Bhogapurapu, N., Dey, S., Mandal, D., Bhattacharya, A., Karthikeyan, L., McNairn, H., & Rao, Y. S. (2022). Soil moisture retrieval over croplands using dual-pol L-band GRD SAR data.
Remote Sensing of Environment, 271, 112900.
- Karthikeyan, L., & Mishra, A. K. (2021). Multi-layer high-resolution soil moisture estimation using machine learning over the United States.
Remote Sensing of Environment, 266, 112706.
- Beck, H. E., Pan, M., Miralles, D. G., Reichle, R. H., Dorigo, W. A., Hahn, S., Sheffield, J., Karthikeyan, L., Balsamo, G., Parinussa, R. M., Van Dijk, A. I., Du, J., Kimball, J. S., Vergopolan, N., Wood, E. F. (2021). Evaluation of 18 satellite-and model-based soil moisture products using in situ measurements from 826 sensors.
Hydrology and Earth System Sciences, 25(1), 17-40.
- Karthikeyan, L., Chawla, I., & Mishra, A. K. (2020). A review of remote sensing applications in agriculture for food security: Crop growth and yield, irrigation, and crop losses.
Journal of Hydrology, 586, 124905.
- Chawla, I., Karthikeyan, L., & Mishra, A. K. (2020). A review of remote sensing applications for water security: Quantity, quality, 585, 124826.
Journal of Hydrology, 585, 124826.
- Karthikeyan, L., Pan, M., Nagesh Kumar, D., & Wood, E. F. (2020). Effect of Structural Uncertainty in Passive Microwave Soil Moisture Retrieval Algorithm.
Sensors, 20(4), 1225.
- Karthikeyan, L., Pan, M., Konings, A. G., Piles, M., Fernandez-Moran, R., Nagesh Kumar, D., & Wood, E. F. (2019). Simultaneous retrieval of global scale Vegetation Optical Depth, surface roughness, and soil moisture using X-band AMSR-E observations.
Remote Sensing of Environment, 234, 111473.
- Karthikeyan, L., Pan, M., Wanders, N., Nagesh Kumar, D., & Wood, E. F. (2017). Four decades of microwave satellite soil moisture observations: Part 2. Product validation and inter-satellite comparisons.
Advances in Water Resources, 109, 236-252.
- Karthikeyan, L., Pan, M., Wanders, N., Nagesh Kumar, D., & Wood, E. F. (2017). Four decades of microwave satellite soil moisture observations: Part 1. A review of retrieval algorithms.
Advances in Water Resources, 109, 106-120.
- Karthikeyan, L., & Nagesh Kumar, D. (2013). Predictability of nonstationary time series using wavelet and EMD based ARMA models.
Journal of Hydrology, 502, 103-119.
- Karthikeyan, L., Nagesh Kumar, D., Graillot, D., & Gaur, S. (2013). Prediction of ground water levels in the uplands of a tropical coastal riparian wetland using artificial neural networks.
Water Resources Management, 27(3), 871-883.
Conferences
- Konkathi, P., & Lanka, K. (2021, December). Understanding the land-atmosphere causal relationships during vegetation response to drought stress.
In AGU Fall Meeting 2021 AGU.
- Navale, A., & Lanka, K. (2021, December). Impact of land surface feedbacks on landfalling tropical cyclones.
In AGU Fall Meeting Abstracts (Vol. 2021, pp. A21E-03).
- Navale, A., & Lanka, K. (2021, December). Understanding the role of land-based evapotranspiration on Indian Summer Monsoon Rainfall.
In AGU Fall Meeting Abstracts (Vol. 2021, pp. H25L-1184).
- Konkathi, P., & Lanka, K. (2021, December). Error characterization of L-band passive microwave radiometry in soil moisture and VOD retrievals.
In AGU Fall Meeting Abstracts (Vol. 2021, pp. H15W-1310).
- Karthikeyan, L., & Mishra, A. K., (2019, September 24-27). Development of high resolution multi-layer soil moisture information.
Water Future Conference Bangalore.
- Karthikeyan, L., Pan, M., Nagesh Kumar, D., & Wood, E. F. (2018, December). Equifinality Adds Structural Uncertainties to Passive Microwave Soil Moisture Retrievals.
In AGU Fall Meeting Abstracts (Vol. 2018, pp. H51V-1620).
- Karthikeyan, L., Pan, M., Wanders, N., Nagesh Kumar, D., & Wood, E. F. (2017, December). Four Decades of Microwave Satellite Soil Moisture Observations: Product validation and inter-satellite comparisons.
In 2017 AGU Fall Meeting. AGU.
- Karthikeyan, L., Pan, M., Konings, A., Piles, M., & Wood, E. (2017, April). Global Scale Simultaneous Retrieval of Smoothened Vegetation Optical Depth and Surface Roughness Parameter using AMSR-E X-band Observations.
In EGU General Assembly Conference Abstracts (p. 9553).