Swarnabha Roy

Mr. Swarnabha Roy

Texas A&M University, College Station, Texas, USA

Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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26 July 2022 in Sensors
Verified
Journal Article
Open access
PDF file
SRSwarnabha Roy
Swarnabha Roy
TVTony Vo
Tony Vo
SHSteven Hernandez
Steven Hernandez
ALAustin Lehrmann
Austin Lehrmann
AAAsad Ali
Asad Ali
Stavros KalafatisStavros Kalafatis
Stavros Kalafatis
There is a growing body of literature that recognizes the importance of Multi-Robot coordination and Modular Robotics. This work evaluates the secure coordination of an Unmanned Aerial Vehicle (UAV) via a drone simulation in Unity and an Unmanned Ground Vehicle (UGV) as a rover. Each robot is equipped with sensors to gather information to send to a cloud server where all computations are performed. Each vehicle is registered by blockchain ledger-based network security. In addition to these, relevant information and alerts are displayed on a website for the users. The usage of UAV–UGV cooperation allows for autonomous surveillance due to the high vantage field of view. Furthermore, the usage of cloud computation lowers the cost of microcontrollers by reducing their complexity. Lastly, blockchain technology mitigates the security issues related to adversarial or malicious robotic nodes connecting to the cluster and not agreeing to privacy rules and norms.

19 January 2026 in Geomatics
Verified
Journal Article
Open access
PDF file
SRSwarnabha Roy
Swarnabha Roy
CRCristhian Roman-Vicharra
Cristhian Roman-Vicharra
HHHailiang Hu
Hailiang Hu
SDSOURYENDU DAS
SOURYENDU DAS
ZHZhewen Hu
Zhewen Hu
Stavros KalafatisStavros Kalafatis
Stavros Kalafatis
This study presents a validated framework to quantify regional sea-level risk on U.S. coasts by (i) extracting trends and seasonality from satellite altimetry (ADT, GMSL), (ii) learning regional dynamical regimes via PCA-embedded KMeans on gridded ADT time series, and (iii) coupling these regimes with socioeconomic exposure (population, income, ocean-sector employment/GDP) and wetland submersion scoring. Relative to linear and ARIMA/SARIMA baselines, a sinusoid+trend fit and an LSTM forecaster reduce out-of-sample error (MAE/RMSE) across the North Atlantic, North Pacific, and Gulf of Mexico. The clustering separates high-variability coastal segments, and an interpretable submersion score integrates elevation quantiles and land cover to produce ranked adaptation priorities. Overall, the framework converts heterogeneous physical signals into decision-ready coastal risk tiers to support targeted defenses, zoning, and conservation planning.

2 December 2024 in Preprints.org
Verified
Preprint
Open access
PDF file
SRSwarnabha Roy
Swarnabha Roy
CVCristhian Roman Vicharra
Cristhian Roman Vicharra
HHHailiang Hu
Hailiang Hu
SDSOURYENDU DAS
SOURYENDU DAS
Stavros KalafatisStavros Kalafatis
Stavros Kalafatis
This paper addresses the critical issue of sea level rise due to climate change through comprehensive analysis and projections. Our approach integrates satellite data, climate models, and socioeconomic factors to assess vulnerabilities and risks to coastal areas. Key findings include significant global temperature increases leading to accelerated glacier melting and rising sea levels, disproportionately impacting the U.S. coastline. Major coastal cities in the U.S. face increased risks of flooding, storm surges, and erosion, resulting in potential widespread displacement, property loss, and adverse health outcomes. The economic consequences are substantial, with key sectors such as tourism, real estate, and fisheries facing direct threats. We provide evidence-based recommendations for targeted mitigation and adaptation strategies to address these challenges.