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This project aims to improve satellite (not limited to) data. The method that we are currently developing is merging multiple datasets derived from various sources
This project aims to evaluate various satellite data for further improvement and/or applications.
This project aims to apply and analyze satellite (not limited to) data.
Published in Journal of Korea Water Resources Association, 2009
How the reliability of WDS is improved by chnaging pipes?
Recommended citation: Jun, H. D., Kim, S. H., Yoo, D. G., & Kim, J. H. (2009). Evaluation of the reliability improvement of a water distribution system by changing pipe. Journal of Korea Water Resources Association, 42(6), 505-511. https://www.koreascience.or.kr/article/JAKO200918839962063.page
Published in Proceeding of International Conference on Coastal Engineering, 2012
2D flume test for an alternative desing of a breakwater in the Colombo Port Expansion Project
Recommended citation: Young, M., Hayman-Joyce, J., & Kim, S. H. (2012). Use of single layer concrete armour units as toe reinforcement. In Proceeding of International Conference on Coastal Engineering (pp. 48-59). https://www.researchgate.net/profile/Seokhyeon_Kim/publication/273144005_USE_OF_SINGLE_LAYER_CONCRETE_ARMOUR_UNITS_AS_TOE_REINFORCEMENT/links/54fa2f220cf2040df21b1d2b.pdf
Published in Remote Sensing of Environment, 2015
Identifying complementarity of two satellite soil moiture data.
Recommended citation: Kim, S., Liu, Y. Y., Johnson, F. M., Parinussa, R. M., & Sharma, A. (2015). A global comparison of alternate AMSR2 soil moisture products: Why do they differ?. Remote Sensing of Environment, 161, 43-62. https://www.sciencedirect.com/science/article/pii/S0034425715000486
Published in Geophysical Research Letters, 2015
Dara merging framework to improve temporal correlation of satellite data.
Recommended citation: Kim, S., Parinussa, R. M., Liu, Y. Y., Johnson, F. M., & Sharma, A. (2015). A framework for combining multiple soil moisture retrievals based on maximizing temporal correlation. Geophysical Research Letters, 42(16), 6662-6670. https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2015GL064981
Published in Remote Sensing, 2016
Dynamic data merging to improve temporal correlation of satellite data.
Recommended citation: Kim, S., Parinussa, R. M., Liu, Y. Y., Johnson, F. M., & Sharma, A. (2016). Merging alternate remotely-sensed soil moisture retrievals using a non-static model combination approach. Remote Sensing, 8(6), 518. https://www.mdpi.com/2072-4292/8/6/518
Published in Journal of Japan Society of Civil Engineers, 2016
2D flume model for an alternate design of breakwater toe.
Recommended citation: Silva, A., Subasinghe, K., Rajapaksha, C., Raveenthiran, K., Kim, S. H., Young, M., ... & Araki, S. (2016). Assessment of Design Alternation via 2D Physical Modelling in the Main Breakwater of Colombo Port Expansion Project. Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering), 72(2), I_1129-I_1134. https://www.jstage.jst.go.jp/article/kaigan/72/2/72_I_1129/_article/-char/ja/
Published in IEEE Geoscience and Remote Sensing Letters, 2017
Development of a method to disaggregate coarse satellite soil moisture data by only using a vegetation index.
Recommended citation: Kim, S., Balakrishnan, K., Liu, Y., Johnson, F., & Sharma, A. (2017). Spatial disaggregation of coarse soil moisture data by using high-resolution remotely sensed vegetation products. IEEE Geoscience and Remote Sensing Letters, 14(9), 1604-1608. https://ieeexplore.ieee.org/abstract/document/7999216/
Published in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2018
Development of a physical model to estimate floods using various open access datasets.
Recommended citation: Kim, S., Paik, K., Johnson, F. M., & Sharma, A. (2018). Building a flood-warning framework for ungauged locations using low resolution, open-access remotely sensed surface soil moisture, precipitation, soil, and topographic information. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11(2), 375-387. https://ieeexplore.ieee.org/abstract/document/8276238/
Published in Journal of Hydrology, 2018
Computationally efficient modelling of soil moisture at catchment scales and validation using satellite soil moisture data.
Recommended citation: Khan, U., Ajami, H., Tuteja, N. K., Sharma, A., & Kim, S. (2018). Catchment scale simulations of soil moisture dynamics using an equivalent cross-section based hydrological modelling approach. Journal of Hydrology, 564, 944-966. https://www.sciencedirect.com/science/article/pii/S0022169418305808
Published in Water Resources Research, 2019
A method to improve satellite-derived flood signals uisng TWI.
Recommended citation: Kim, S., & Sharma, A. (2019). The role of floodplain topography in deriving basin discharge using passive microwave remote sensing. Water Resources Research, 55(2), 1707-1716. https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018WR023627
Published in Remote Sensing of Environment, 2019
A comprehensive validation of a SMAP soil moisture dataset.
Recommended citation: Zhang, R., Kim, S., & Sharma, A. (2019). A comprehensive validation of the SMAP Enhanced Level-3 Soil Moisture product using ground measurements over varied climates and landscapes. Remote Sensing of Environment, 223, 82-94. https://www.sciencedirect.com/science/article/pii/S003442571930015X
Published in Water, 2019
Development of a method to improve the reliability of a water distribution system using the genetic algorithm.
Recommended citation: Kim, S., Jun, H. D., Yoo, D. G., & Kim, J. H. (2019). A framework for improving reliability of water distribution systems based on a segment-based minimum cut-set approach. Water, 11(7), 1524. https://www.mdpi.com/2073-4441/11/7/1524
Published in International Journal of Applied Earth Observation and Geoinformation, 2019
Application and validation of a gap-filling algorithm using continental scale LST data.
Recommended citation: Pham, H. T., Kim, S., Marshall, L., & Johnson, F. (2019). Using 3D robust smoothing to fill land surface temperature gaps at the continental scale. International Journal of Applied Earth Observation and Geoinformation, 82, 101879. https://www.sciencedirect.com/science/article/pii/S0303243419300339
Published in Remote Sensing in Earth Systems Sciences, 2019
A comprehensive review on satellite soil moisture data and its applications for flood estimation.
Recommended citation: Kim, S., Zhang, R., Pham, H., & Sharma, A. (2019). A Review of Satellite-Derived Soil Moisture and Its Usage for Flood Estimation. Remote Sensing in Earth Systems Sciences, 2(4), 225-246. https://link.springer.com/article/10.1007/s41976-019-00025-7
Published in Cement and Concrete Composites, 2020
Development of a model to estimate the concrete strength and electrical resistivity based on a PCA analysis on fly ash components.
Recommended citation: Kim, T., Ley, M. T., Kang, S., Davis, J. M., Kim, S., & Amrollahi, P. (2020). Using particle composition of fly ash to predict concrete strength and electrical resistivity. Cement and Concrete Composites, 107, 103493. https://www.sciencedirect.com/science/article/pii/S0958946519313368
Published in Water Research, 2020
Development of a model to estimate an occurrence of algal bloom in a river uisng environmental data.
Recommended citation: Kim, S., Kim, S., Mehrotra, R., & Sharma, A. (2020). Predicting cyanobacteria occurrence using climatological and environmental controls. Water Research, 115639. https://www.sciencedirect.com/science/article/pii/S0043135420301755
Published in Remote Sensing, 2020
Improving temporal correlation of soil moisture data through data merging.
Recommended citation: Hagan, D.F.T., Wang, G., Kim, S., Parinussa, R.M., Liu, Y., Ullah, W., Bhatti, A.S., Ma, X., Jiang, T. and Su, B., 2020. Maximizing temporal correlations in long-term global satellite soil moisture data-merging. Remote Sensing, 12(13), 2164. https://www.mdpi.com/2072-4292/12/13/2164
Published in Earth and Space Science, 2020
Analysis of uncertinity of future daily precipitation using 45GCMs from CMIP5.
Recommended citation: Kim, S., Eghdamirad, S., Sharma, A., & Kim, J. H. (2020). Quantification of uncertainty in projections of extreme daily precipitation. Earth and Space Science, 7(8), e2019EA001052. https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019EA001052
Published in H2Open Journal, 2020
Development of a machine-learning based model to estimate water quality of a reservoir using various emvironmental data.
Recommended citation: Moradi, S., Agostino, A., Gandomkar, Z., Kim, S., Hamilton, L., Sharma, A., Henderson, R. and Leslie, G., 2020. Quantifying natural organic matter concentration in water from climatological parameters using different machine learning algorithms. h2oj, 3(1), 328-342. https://iwaponline.com/h2open/article/3/1/328/76304
Published in Environmental Research Letters, 2020
Temperature-rainfall sensitivity conditioned by weather types.
Recommended citation: Magan, B., Kim, S., Wasko, C., Barbero, R., Moron, V., Nathan, R., & Sharma, A. (2020). Impact of atmospheric circulation on the rainfall-temperature relationship in Australia. Environmental Research Letters, 15(9), 094098. https://iopscience.iop.org/article/10.1088/1748-9326/abab35/meta
Published in Remote Sensing, 2020
Development of vegetation parameterization method to imporve model simulation performances.
Recommended citation: Kim, S., Ajami, H., & Sharma, A. (2020). Using Remotely Sensed Information to Improve Vegetation Parameterization in a Semi-Distributed Hydrological Model (SMART) for Upland Catchments in Australia. Remote Sensing, 12(18), 3051. https://www.mdpi.com/2072-4292/12/18/3051
Published in IEEE Transactions on Geoscience and Remote Sensing, 2020
Data merging considering the error cross-correlation in the datasets to be merged.
Recommended citation: Kim, S., Pham, H., Liu Y., Marshall L. & Sharma, A. (2020). Improving the combination of satellite soil moisture datasets by considering error cross-correlation: A comparison between triple collocation (TC) and extended double instrumental variable (EIVD) alternatives. ,IEEE Transactions on Geoscience and Remote Sensing, 59(9), 7285-7295 https://ieeexplore.ieee.org/document/9246707
Published in Remote Sensing of Environment, 2021
Identification of relative strengths of three satellite soil moisture data for capturing the temporal variability of the ground truth.
Recommended citation: Zhang, R., Kim, S., Sharma, A., & Lakshmi, V. (2021). Identifying relative strengths of SMAP, SMOS-IC, and ASCAT to capture temporal variability. Remote Sensing of Environment, 252, 112126. https://www.sciencedirect.com/science/article/pii/S0034425720304995
Published in Journal of Hydrometeorology, 2021
Concurrency in the trends of 11 global ET datasets.
Recommended citation: Kim, S., Anabalon, A., & Sharma, A. (2021). An Assessment of Concurrency in Evapotranspiration Trends Across Multiple Global Datasets. ,Journal of Hydrometeorology, 22(1), 231-244. https://journals.ametsoc.org/view/journals/hydr/aop/JHM-D-20-0059.1/JHM-D-20-0059.1.xml
Published in Journal of Hydrology, 2021
Development of a probabilistic model to forecast cyanobacterial concentration in a river.
Recommended citation: Kim, S., Mehrotra, R., Kim, S., & Sharma, A. (2021). Probabilistic forecasting of cyanobacterial concentration in riverine systems using environmental drivers. Journal of Hydrology, 593, 125626. https://www.sciencedirect.com/science/article/pii/S0022169420310878
Published in Journal of Water Resources Planning and Management, 2021
Countermeasure effectiveness in controlling cyanobacterial exceedance in riverine systems.
Recommended citation: Kim S., Mehrotra R., Kim S., Sharma A. (2021). Assessing countermeasure effectiveness in controlling cyanobacterial exceedance in riverine systems using probabilistic forecasting alternatives, Journal of Water Resources Planning and Management, 147(10), 04021062 https://ascelibrary.org/doi/abs/10.1061/%28ASCE%29WR.1943-5452.0001449
Published in Frontiers in Water, 2021
A triple collocation-based comparison of three L-band soil moisture datasets, SMAP, SMOS-IC, and SMOS, over varied climates and land covers.
Recommended citation: Kim S., Dong J., Sharma A. (2021). A triple collocation-based comparison of three L-band soil moisture datasets, SMAP, SMOS-IC, and SMOS, over varied climates and land covers, Frontiers in Water, 3, 64 https://www.frontiersin.org/articles/10.3389/frwa.2021.693172/full
Published in Earths Future, 2022
Linking precipitation extremes to atmospheric precipitable water.
Recommended citation: Kim S., Sharma A., Wasko C., Nathan R. (2022). Linking total precipitable water to precipitation extremes globally, Earth’s Future, 10(2), e2021EF002473 https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2021EF002473
Published in Water Resources Research, 2022
Model calibration using satellite-derived streamflow.
Recommended citation: Yoon, H.N., Marshall, L., Sharma, A., Kim, S. (2022), Bayesian model calibration using surrogate streamflow in ungauged catchments, Water Resources Research, 58(1), e2021WR031287 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2021WR031287
Published in IEEE Transactions on Geoscience and Remote Sensing, 2022
Improved data merging method.
Recommended citation: Kim, S., Sharma, A., Liu, Y., Young S.I. (2022). Rethinking Satellite Data Merging: From Averaging to SNR Optimization, IEEE Transactions on Geoscience and Remote Sensing, 60, 1-15 https://ieeexplore.ieee.org/document/9531937
Published in Journal of Computing in Civil Engineering, 2022
Development of car-free street map.
Recommended citation: Lee, S., Kim, S., Moonb, S. (2022). Lee, S., Kim S., and Moon S., Development of Car-free Street Mapping (CfSM) Model using an Integrated System with Unmanned Aerial Vehicle, Aerial Mapping Camera and Deep Learning Algorithm, Journal of Computing in Civil Engineering, 36(3), 04022003 https://ascelibrary.org/doi/10.1061/%28ASCE%29CP.1943-5487.0001013
MATLAB codes for optimizing model parameters and simulating floods (Kim et al.,2018)
MATLAB codes for dynamic linear combination of soil moisture datasets (Kim et al.,2016)
MATLAB codes for SNR-opt for merging datasets (Kim et al.,2022)
Published:
Kim S., Liu Y., Johnson F., Parinussa R., Sharma A. Improvement of Soil Moisture Dataset Combining AMSR2 Soil Moisture Products, The Australian Energy and Water Exchange Initiative (OzEWEX) 2014, Canberra, ACT, Australia Link Download
Published:
S. Kim, Y. Liu, F. Johnson, R. Parinussa, A. Sharma. Reducing Structural Uncertainty in AMSR2 Soil Moisture Using a Model Combination Approach, American Geophysical Union (AGU) fall meeting 2014, San Francisco, CA, USA Link Download
Published:
Kim S., Liu Y., Johnson F., Sharma A. A temporal correlation-based approach for spatial disaggregation of remotely sensed soil moisture, American Geophysical Union (AGU) fall meeting 2016, San Francisco, CA, USA Link Download
Published:
Kim S., Ajami H., Sharma A. Incorporating an operational satellite-derived leaf area index into a computationally efficient semi-distributed hydrologic modelling application (SMART), The 22nd International Congress on Modelling and Simulation (MODSIM2017), Hobart, Australia Link Download
Published:
Kim S., Guo Y., Wasko C., Sharma A. On soil moisture, rain and flood extremes in a warming climate - using satellite remote sensing to define future antecedent conditions, The Korean Society of Climate Change Research (KSCC) 2018, Jeju, Republic of Korea Link Download
Published:
Kim S., Pham H., Liu Y., Sharma A., Marshall L. Combining geophysical variables for maximizing temporal correlation without reference data, The 23rd International Congress on Modelling and Simulation (MODSIM2019), Canberra, Australia Link Download
Published:
Kim S., Zhang R., Sharma A., Lakshmi V. Improvements of satellite observations through data merging: status and challenges, AGU Fall Meeting 2020, Online Link Download
Published:
Kim S., Sharma A., Wasko C., Nathan R. How does total precipitable water link to precipitation extremes?, MODSIM 2021, Sydney, Australia Link
Masters course (CVEN9612), School of Civil and Environmental Engineering, UNSW Sydney, 2020
Undergraduate course (CVEN3501), School of Civil and Environmental Engineering, UNSW Sydney, 2020