Chandi Witharana
Assistant Professor/Natural Resources and Environ

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Scholarly Contributions

140 Scholarly Contributions

70
Journal Articles
53
Poster/Presentations
12
Conference Proceedings
3
Other Scholarly Works
2
Artistic and Professional Performancess
Segment Anything Model Can Not Segment Anything: Assessing AI Foundation Model’s Generalizability in Permafrost Mapping
2024
Kenton McHenry, Sizhe Wang, Chia-Yu Hsu, Patricia Solis, Brendan Rogers, Yezhou Yang, Matthew Jones, Anna Liljedahl, Chandi Witharana, Samantha Arundel, Li Wenwen, Yili Yang, Hyunho Lee
Research Type: Journal Article

Detecting long-term Arctic surface water changes
2023
Chandi Witharana, Michael Loranty, Jeremy Lichstein, Anna Liljedahl, Elizabeth Webb
Research Type: Journal Article

Modeling the impact of local environmental variables on tree-related power outages along distribution powerlines.
2023
Chandi Witharana, Durga Joshi, Harshaha Wedagedara, Robert T. Fahey, Jason Parent, Diego Cerrai
Research Type: Journal Article

Modeling the impact of local environmental variables on tree-related power outages along distribution powerlines
2023
Chandi Witharana, Harhsana Wedegedara, Rober Fahey, Jason Parent, Diego Cerrai, Durga Joshi
Research Type: Journal Article

Can Plot-Level Photographs Accurately Estimate Tundra Vegetation Cover in Northern Alaska?
2023
Steven Oberbauer, Alexandra Locher, Sergio Vargas Zesati, Hana L Sellers, Chandi Witharana, Robert D Hollister, Craig E Tweedie, Sarah C Elmendorf
Research Type: Journal Article

A multi-objective comparison of CNN architectures in Arctic human-built infrastructure mapping from sub-meter resolution satellite imagery
2023
Chandi Witharana, Anna Liljedahl, Amal Perera, Elias Manos
Research Type: Journal Article

Permafrost thaw drives surface water decline across lake-rich regions of the Arctic
2022
Chandi Witharana, Anna Liljedhal, Jada A Corderio, Elizabeth E Webb, Jeremy W Lichstein, Michael M Loranty
Research Type: Journal Article

Automated detection of retrogressive thaw slumps in the Arctic permafrost tundra using high resolution satellite imagery
2022
Amit Hasan, Mahendra R Udawalpola, Chandi Witharana, Elias Manos, Anna Liljedahl, Benjamin M Jones, Melissa K Ward Jones, Durga P Joshi
Research Type: Journal Article

Rapid transformation of tundra ecosystems from ice-wedge degradation
2022
Benjamin Jones, Moly Boldenow, Yurri Shur, Howies Epsrein, Chandi Witharana, Kelcy Kent, Ronal Daanen, Claire Griffin, Misha Kanevskiy, Kate Orndadh, Torry Jorgenson, Jenny Jorgenson, Anna Liljedhal
Research Type: Journal Article

Convolutional Neural Networks for Automated Built Infrastructure Detection in the Arctic Using Sub-Meter Spatial Resolution Satellite Imagery
2022
Chandi Witharana, Mahendra R Udawalpola, Amit Hasan, Anna Liljedahl, Elias Manos
Research Type: Journal Article

Classifying and Georeferencing Indoor Point Clouds With ArcGIS
2022
Jason Parent, Chandi Witharana, Michael Bradely
Research Type: Journal Article

Use of Commercial Satellite Imagery to Monitor Changing Arctic Polygonal Tundra
2022
Chandi Witharana, Amit Hasan, Anna Liljedhal, Mahendra R Udawalpola
Research Type: Journal Article

An Optimal GeoAI Workflow for Pan-Arctic Permafrost Feature Detection from High-Resolution Satellite Imagery
2022
Mahendra R Udawalpola, Amit Hasan, Aiman Soliman, Anna Liljedhal, Chandi Witharana, Jeffery Terstriep
Research Type: Journal Article

An object-based approach for mapping ice-wedge polygon troughs across Arctic permafrost landscapes from high-resolution commercial
2021
Anna K Liljedahl, Kelcy Kent, Chandi Witharana, Ronald Daanen, Howard E Epstein, Mikhail Kanevskiy, Benjamin M Jones, Melissa K Ward Jones, Claire G Griffin, Md Abul Ehsan Bhuiyan, Torre Jorgenson
Research Type: Journal Article

Evaluating the impacts of models, data density and irregularity on reconstructing and forecasting dense Landsat time series
2021
Rong Shang, Chandi Witharana, Junxue Zhang, Chadwick D Rittenhouse, Zhe Zhu
Research Type: Journal Article

Mapping Relict Charcoal Hearths in New England Using Deep Convolutional Neural Networks and LiDAR Data
2021
Eli Anderson, Ji Won Suh, William B Ouimet, Chandi Witharana, Katharine Johnson
Research Type: Journal Article

Multi-Dimensional Remote Sensing Analysis Documents Beaver-Induced Permafrost Degradation, Seward Peninsula, Alaska
2021
Benjamin V Gaglioti, Charles E Miller, Jason Clark, Chandi Witharana, Benjamin M Jones, Clayton D Elder, Ken Tape
Research Type: Journal Article

A global population assessment of the Chinstrap penguin (Pygoscelis antarctica)
2020
Michael Wethington, Steve Forest, Heather J Lynch, Noah Strycker, Alex Borowicz, Tom Hart, Chandi Witharana
Research Type: Journal Article

Understanding the Effects of Optimal Combination of Spectral Bands on Deep Learning Model Predictions: A Case Study Based on Permafrost Tundra Landform Mapping Using High Resolution Multispectral Satellite Imagery
2020
Chandi Witharana, Benjamin M Jones, Md Abul Ehsan Bhuiyan, Ronald Daanen, Anna K Liljedahl, Howard E Epstein, Kelcy Kent, Claire G Griffin
Research Type: Journal Article

Using Landsat 8 data to compare percent impervious surface area and normalized difference vegetation index as indicators of urban heat island effects in Connecticut, USA
2020
Chandi Witharana, James Hurd, Zhiyuan Yang, Siqin Tong, Kao Wang, Runmei Hao
Research Type: Journal Article