Research

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List of publications

Thesis

PhD (Urban Engineering) 2013, The University of Tokyo, Japan

Characterization of toxicants in size-fractionated urban road dust using ostracod Heterocypris incongruens direct contact test and toxicity identification evaluation procedure

http://hdl.handle.net/2261/57456

M. Tech (Food Technology) 2007, Tribhuvan University, Nepal

Study on the accumulation of lead and chromium in some commercial vegetables

B. Tech (Food Technology) 2005, Tribhuvan University, Nepal

Impact of industrial effluents on river water quality of Budhi Khola

Research grant

3. Collaborative Research Platform to Manage Risk and Enhance Resilience of Coral Reef in Southeast Asia, 2019 - Asia Pacific Network for Global Change Research, Japan (PI), USD 85,800; 2019 September to 2021 August, http://www.apn-gcr.org/resources/items/show/2119

2. Heavy Metals Uptake by Plants, 2006 - Strengthening of Environmental Administration and Management at the Local Level, Nepal (PI), A fund for graduate level research, February 2007 to July 2007

1. Impact of industrial effluents on water quality of Duhabi, 2004 –Strengthening of Environmental Administration and Management at the Local Level, Nepal (PI), A fund for under-graduate level research, 2003 December to 2004 November

Peer-reviewed journal paper

16. Pham Quy Giang and Rajendra Khanal * (2024). What next for marine ecosystem management in Vietnam: assessment of coastal economy, climate change, and policy implication, Environ. Res. Commun. 6 025002 https://doi.org/10.1088/2515-7620/ad19a5

15. Rajib Lochan Poudyal, Ryunosuke Maekawa, Rajendra Khanal, Toru Suzuki, Manabu Watanabe (2023). Effect of supercooled freezing on the quality of pork tenderloin meat under different thawing conditions. Food Control, 144, 109331, https://doi.org/10.1016/j.foodcont.2022.109331

14. Sarmila Tandukar, Rajendra Khanal*, Rija Manandhar, Ashok Pandey, Niva Sthapit, Samendra P. Sherchan, and Eiji Haramoto, 2021. Possibility of transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) through wastewater in developing countries, Water 2021, 13(23), 3412; https://doi.org/10.3390/w13233412

13. Saipetch, K., Khanal, R*. & Yoshimura, C, 2021. Integration of fluorescence quenching correction into trihalomethane formation prediction models. Environ Monit Assess 193, 845 https://doi.org/10.1007/s10661-021-09649-z

12. Michitaka Sato, Rajendra Khanal* , Sovannara Uk, Sokly Siev, Ty Sok, and Chihiro Yoshimura, 2021. Impact of Wind on the Spatio-Temporal Variation in Concentration of Suspended Solids in Tonle Sap Lake, Cambodia. Earth 2021, 2(3), 424-439

https://doi.org/10.3390/earth2030025

11. Saipetch K, Khanal, R*, Yamazaki M, Fu QL, Yoshimura C, Jin X. 2021. Exploring the fluorescence quenching interaction of amino acids and protein with natural organic matter by multi-spectroscopic method. Water Supply, Water Supply ws2021103

https://doi.org/10.2166/ws.2021.103

10. Rajendra Khanal*, 2021. Challenges of Science-Policy Interlinkages. Journal of Japan Society of Hydrology and Water Resources, 34 (3), 144 – 145

https://doi.org/10.3178/jjshwr.34.210

9. Rajendra Khanal*, Sovanara Uk, Dillini Kodikara, Sokly Siev, Chihiro Yoshimura, 2021. Impact of Water Level Fluctuation on Sediment and Phosphorous Dynamics in Tonle Sap Lake, Cambodia, Water, Air and Soil Pollution 232, 139

https://doi.org/10.1007/s11270-021-05084-5

8. Kornravee Saipetch, Rajendra Khanal*, Chihiro Yoshimura, 2021. Empirical equation for the correction of fluorescence quenching of proteinaceous substance by natural organic matter. Water Practice and Technology, wpt2021001

https://doi.org/10.2166/wpt.2021.001

2020

7. Manoj Khanal, Debendra Rai, Rajendra Khanal, and Ajaya Bhattarai, 2020. Determination of Point Zero Charge (PZC) of Homemade Charcoals of Shorea Robusta (Sakhuwa) and Pinus Roxburghii (Salla). International Journal of Engineering Research & Technology (IJERT). ISSN: 2278-0181. Paper ID: IJERTV9IS100046. Vol. 9 Issue 10, October-2020

2019

6. Anjana Dahal, Rajendra Khanal*, Binaya Kumar Mishra. 2019. Identification of critical location for enhancing groundwater recharge in Kathmandu Valley, Nepal. Groundwater for Sustainable Development 9, 100253.

https://doi.org/10.1016/j.gsd.2019.100253

5. Rajendra Khanal*, Hiroaki Furumai, Fumiyuki Nakajima and Chihiro Yoshimura (2019). Impact of holding time on toxicity change of urban road dust during runoff process. Science of the total Environment, 668, 1267–1276

https://doi.org/10.1016/j.scitotenv.2019.03.088

4. Shiena Okada, Rajendra Khanal*, Chihiro Yoshimura, Oliver Saavedra and Masahiro Ryo (2018). Monitoring Habitat Structure of River-Floodplains Using High Resolution Satellite Images. Landscape and Ecological Engineering, In Press, 2018 https://rdcu.be/7srS

https://doi.org/10.1007/s11355-018-0361-2

2018

3. Rajendra Khanal*, Hiroaki Furumai, Fumiyuki Nakajima and Chihiro Yoshimura (2018). Carcinogenic Profile, Ecotoxicity and Source Apportionment of Polycyclic Aromatic Hydrocarbons Accumulated from Urban Road Dust in Tokyo, Japan. Ecotoxicology and Environmental Safety, 165, 440 - 449 https://doi.org/10.1016/j.ecoenv.2018.08.095

2015

2. Rajendra Khanal*, Hiroaki Furumai and Fumiyuki Nakajima (2015). Characterization of Toxicants in Urban Road Dust by Toxicity Identification Evaluation using Ostracod Heterocypris incongruens Direct Contact Test. Science of the Total Environment, 530–531, 96–102; https://doi.org/10.1016/j.scitotenv.2015.05.090

2014

1. Rajendra Khanal*, Hiroaki Furumai and Fumiyuki Nakajima (2014). Toxicity assessment of size-fractionated urban road dust using ostracod Heterocypris incongruens direct contact test. Journal of Hazardous Materials, 264, 53– 64 ; https://doi.org/10.1016/j.jhazmat.2013.10.058

* Corresponding author

Peer reviewed Book and Book Chapters

Peer-reviewed Book

2023

3. Khanal, R., Khanal, K., Gadtaula, M., Poudel, S. & Basnet, R.K. (2023). Start-up Businesses and Micro, Small and Medium Enterprises in Nepal: A Policy Perspective. [PRI Publication No. 072]. Kathmandu: Policy Research Institute, ISBN: 978-9937-9647-0-8 (Electronic) https://kms.pri.gov.np/dams/pages/view.php?ref=20835&k=db96c339bd

2021

2. Yoshimura Chihiro, Rajendra Khanal, Uk Sovannara. Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021. Editors: Yoshimura, Chihiro, Khanal, Rajendra, Sovannara, Uk (Eds.) https://www.springer.com/gp/book/9789811666315#aboutBook

2020

1. Binaya Raj SHIVAKOTI, Ngoc-Bao PHAM, Hul SEINGHENG, Chihiro YOSHIMURA, Sovannara UK, Rajendra KHANAL, Sokly SIEV, Aiko YAMASHITA, Hideto FUJII, Tomohiro TANAKA, Hidekazu YOSHIOKA, Takashi NAKAMURA, Yoichi FUJIHARA, Keisuke HOSHIKAWA, Sarann LY, Sambo LUN, Sokchhay HENG, Sok TY, Mong MARITH, Oeurng CHANTHA, Song LAYHEANG, Fidero KUOK, Boreborey TY, Chanvorleak PHAT, Eden G. MARIQUIT, Winarto KURNIAWAN, Hirofumi HINODE, Porsry UNG, Reasmey TAN, Vannak ANN, Chanthol PENG, Manabu FUJII, Kazuhiko MIYANAGA, Yasunori TANJI. Environmental Changes in Tonle Sap Lake and its Floodplain: Status and Policy Recommendations. Editor: Binaya Raj SHIVAKOTI and Ngoc-Bao PHAM, jointly published by Institute for Global Environmental Strategies (IGES), Japan, Tokyo Institute of Technology (TokyoTech), Japan and Institute of Technology of Cambodia (ITC) – January 2020, ISBN: 978-4-88788-230-0

https://www.iges.or.jp/en/pub/tonlesapsatreps/en

https://www.iges.or.jp/en/publication_documents/pub/policyreport/en/10469/SATREPS+TonleSap+Policy+Report+Final+Print+Jan2020.pdf

Peer-reviewed book chapters

2022

20. Kalpana Khanal, Rajendra Khanal and Shobha Poudel, 2022. Chapter 2. Effect of Russia-Ukraine crisis on Nepalese economy. In Adhikary KN eds Russia-Ukraine Crisis 2022 - Nepal's foreign initiatives and impact of crisis on Nepal's foreign, economic and geopolitical policy), PRI publication no 048, Policy Research Institute, Nepal (In Nepali) https://kms.pri.gov.np/dams/pages/view.php?ref=14978&k=dce9a62fbb

19. Rajendra Khanal and Sabin Basi, 2022. Chapter 9 - United States Experience in Covid-19 Management and Possible Lessons for Nepal, pp. 279-298. (Edited by Sharma Neupane, Hari; Upreti, Bishnu Raj and Pant, Dipendra Prasad) (2079). Covid-19 Epidemic conditions, Management experiences and Lessons learned in different countries (publication number: 045). Kathmandu: Policy Research Institute (In Nepali) https://tinyurl.com/3ffjvpeb

2021

18. Chihiro Yoshimura, Pham Ngoc Bao, Hideto Fujii, Tomohiro Tanaka, Sokly Siev, Rajendra Khanal, Kazuhiko Miyanaga, Sophanna Ly,Eden M. Andrews, Toru Watanabe, Sovannara Uk. (Chapter 50). Recommendations for Further Research and Environmental Management. Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

17. Rajendra Khanal*, Sovannara Uk, Sophanna Ly, Ratino Sith, Kong Chhuon, Binaya Raj Shivakoti, Pham Ngoc Bao, Chihiro Yoshimura, Hideto Fujii, Winarto Kurniawan, Kazuhiko Miyanaga, Toru Watanabe, Sambo Lun, Chantha Oeurng, Chanvorleak Phat, Reasmey Tan, Sokneang In, Kimleang Kheurn, Aiko Yamashita. (Chapter 49) Transdisciplinary Research Collaboration for Environmental Conservation, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

16. Kong Chhuon, Sreykeo Puok, Kim Lengthong, Ratino Sith, Ratha Doung, Khy Eam Eang, Rajendra Khanal, Sytharith Pen. Chapter 44. Projection of Land Use Change in the Lake Basin. Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021

15. Ly Sophanna, Uk Sovannara, Theng Vouchlay, Sun Visal, Lim Puy, Rajendra Khanal, Srey Sunleang , Pham Ngoc Bao. (Chapter 32) Waterbirds, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

14. Say Samal, Uk Sovannara, Ly Sophanna, Rajendra Khanal, Dilini Kodikara, Sok Ty, Oeurng Chantha, Manabu Fujii], Yoshimura Chihiro. (Chapter31) Primary Production, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap, Springer (in press), Dec. 2021.

13. Khy Eam Eang, Ratana Kheang, Bunhuot Ruos, Kong Chhuon, Ratino Sith, Ratha Doung, Sokly Siev, Chihiro Yoshimura, Rajendra Khanal (Chapter 26). Chemistry of groundwater in the floodplain. Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap, Springer (in press), Dec. 2021.

12. Sovannara Uk, Dilini Kodikara, Hashimoto Kana, Vouchlay Theng, Marith Mong, Sokly Siev, Ty Sok, Sophal Try, Vinteang Kaing, Rajendra Khanal, Heejun Yang, Thea Seav, Chantha Oeurng, Yoshimura Chihiro. Chapter24 Nutrient availability and phosphorus dynamics, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

11. Uk Sovannara, Khoeurn Kimleang, Taing Chanreaksmey, Siev Sokly, Rajendra Khanal, Sok Ty, Sive Thea, Oeurng Chantha, Yoshimura Chihiro. (Chapter23) Basic physicochemical water quality—spatiotemporal distribution, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

10. Mong Marith, Uk Sovannara, Sok Ty, Kaing Vinhteang, Oeurng Chantha, Rajendra Khanal, Yoshimura Chihiro. (Chapter22) Basin-wide distribution of water quality, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

9. Sovannara Uk, Sokly Siev, Sato Michitaka, Rajendra Khanal, Ty Sok, Sive Thea, Sophal Try, Chantha Oeurng, Yoshimura Chihiro. (Chapter19) Sediment resuspension and its relation to flood pulse, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

8. Sokly Siev, Rina Heu, Heejun Yang, Ty Sok, Sovannara Uk, Rajendra Khanal, Chantha Oeurng, Seingheng Hul, Chihiro Yoshimura. (Chapter 17) Sediment and Suspended Solids: Spatiotemporal Dynamics, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

7. Sith Ratino, Heng Seangmeng, Doung Ratha, Chhuon Kong, Eng Khy Eam, Siev Sokly, Sive Thea, Rajendra Khanal, Yoshimura Chihiro. (Chapter 9). Groundwater and surface water interaction in Tonle Sap catchment. Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021

6. Pham Ngoc Bao, Khoeurn Kimleang, Boeut Sophea, Nobue Amanuma, Binaya Raj Shivakoti, Rajendra Khanal. (Chapter 2). Challenges and Opportunities for Improving the Livelihood of People Living in Tonle Sap Lake. Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

5. UK Sovannara, Rajendra Khanal, Yoshimura Chihiro. (Chapter1) Introduction, Eds. Yoshimura Chihiro, Rajendra Khanal, and UK Sovannara, Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021.

2020

4. Pham Ngoc Bao, Sovannara Uk, Binaya Raj Shivakoti, Chihiro Yoshimura, Rajendra Khanal, Sokly Siev, Hul Seingheng, Yamashita Aiko. 2020. Chapter 2. Socio-economic dependency of communities on the Tonle Sap Lake. In Binaya Raj Shivakoti and Pham Ngoc Bao Eds "Environmental Changes in the Tonle Sap Lake and its Floodplain: Status and Policy Recommendations” jointly published by Institute for Global Environmental Strategies (IGES), Japan, Tokyo Institute of Technology (TokyoTech), Japan and Institute of Technology of Cambodia (ITC) – 2020, pp 7 – 16, ISBN: 978-4-88788-230-0

https://www.iges.or.jp/en/pub/tonlesapsatreps/en

3. Sokly Siev, Sok Ty, Rajendra Khanal, Mong Marith, Oeurng Chantha, Uk Sovannara, Song Layheang, Hoshikawa Keisuke, Yoshimura Chihiro. 2020. Chapter 4 Physicochemical water quality, sedimentation and nutrient dynamics in the Tonle Sap Lake. In Binaya Raj Shivakoti and Pham Ngoc Bao Eds "Environmental Changes in the Tonle Sap Lake and its Floodplain: Status and Policy Recommendations” jointly published by Institute for Global Environmental Strategies (IGES), Japan, Tokyo Institute of Technology (TokyoTech), Japan and Institute of Technology of Cambodia (ITC) – 2020, pp 29 – 40, ISBN: 978-4-88788-230-0

https://www.iges.or.jp/en/pub/tonlesapsatreps/en

2. Binaya Raj Shivakoti, Pham Ngoc Bao, Chihiro Yoshimura, Seingheng Hul, Rajendra Khanal. 2020. Chapter 7. Conclusions and policy recommendations. In Binaya Raj Shivakoti and Pham Ngoc Bao Eds "Environmental Changes in the Tonle Sap Lake and its Floodplain: Status and Policy Recommendations” jointly published by Institute for Global Environmental Strategies (IGES), Japan, Tokyo Institute of Technology (TokyoTech) Japan and Institute of Technology of Cambodia (ITC) – 2020, pp 67 – 74, ISBN: 978-4-88788-230-0

https://www.iges.or.jp/en/pub/tonlesapsatreps/en

2018

1. Pham Ngo-Bao, Sovannara Uk, Binaya Raj Shivakoti Chihiro Yoshimura, Rajendra Khanal, Sokly Siev, Hul Seingheng and Yamashita Aiko. 2018. Environmental Degradation of the Tonle Sap Lake and Capacity Building to Recover its Sustainability. In Hyun Woo Lee and Jun Hyun Park Eds "Environmental Sustainability in Asia : Progress, Challenges and Opportunities in the Implementation of the Sustainable Development Goals Series 2 - Cambodia". Korea Environment Institute. Sejong, Korea, 2018. pp98- 116, ISSN: 1586-4416

http://www.greengrowthknowledge.org/resource/environmental-sustainability-asia-cambodia

Featured article in International Water Association Newsletter

2023

2. Sarmila Tandukar and Rajendra Khanal (2023-Apr). POLICY PROSPECTS FOR MICROPLASTICS IN DEVELOPING COUNTRIES. Featured article. IWA Specialist Group Newsletter - Assessment and Control of Hazardous Substances in Water, April 2023, pp 25 - 283

2020

1. Rajendra Khanal 2020-Sep. UV-filters in Marine Environment. Featured article 1. IWA Specialist Group Newsletter - Assessment and Control of Hazardous Substances in Water, September 2020, pp 12- 13

Peer reviewed oral presentations and conference publication

* Corresponding author

33. Ratino Sith, Heng Seangmeng, Doung Ratha, Kong Chhuon, Khy Eam Eng, Sokly Siev, Sive Thea, Rajendra Khanal, Yoshimura Chihiro (2021). Assessment of Groundwater and Surface Water Exchange Under Climate Change Scenario in the Tonle Sap Basin. Conference paper, 35th Congress of the International Society of Limnology

32. Khy Eam EANG, Kong CHHUON, Ratino SITH, Ratha DOUNG, Bunhuot RUOS, Ratana KHEANG, Seingheng HUL, Boreborey TY, Sokly SIEV, Chihiro YOSHIMURA, and Rajendra KHANAL (2021). Spatial Distribution of Well Water Quality in the Floodplain around Tonle Sap Lake. Conference paper, 35th Congress of the International Society of Limnology

31. Rajendra Khanal*, Pham Quy Giang, Binaya Kumar Mishra, Ratino Sith, Soly Siev, Varinthorn Boonyaroj, Vannak Ann, Vengsong Khov, Jorge Garcia-Hernandez, 2021. Comparison of Coral Bleaching Hotspot Mapping in Southeast Asia (Thailand, Cambodia and Vietnam) based on Sea Surface Temperature Modelling by National Oceanic and Atmospheric Administration Coral Reef Watch before and during Covid-19 Pandemic. The 13th AUN/SEED-Net Regional Conference on Chemical Engineering 2020 (RCChE-2020) jointly held with the 5th International Symposium on Conservation and Management of Tropical Lakes, February 4-5, 2021, Phnom Penh, Cambodia

30. Rajendra Khanal *, Varinthorn Boonyaroj, Jorge Garcia-Hernandez, 2021. Paradox of over-tourism, income opportunities and coral degradation: A case of Maya bay, Thailand. The 13th AUN/SEED-Net Regional Conference on Chemical Engineering 2020 (RCChE-2020) jointly held with the 5th International Symposium on Conservation and Management of Tropical Lakes, February 4-5, 2021, Phnom Penh, Cambodia.

29. Jorge Garcia-Hernandez, Rajendra Khanal and Chihiro Yoshimura., 2021. Current Presence and Possible Repercussions of UV Filters in Coral Reef in Okinawa Prefecture. The 13th AUN/SEED-Net Regional Conference on Chemical Engineering 2020 (RCChE-2020) jointly held with the 5th International Symposium on Conservation and Management of Tropical Lakes, February 4-5, 2021, Phnom Penh, Cambodia.

28. Rajendra KHANAL*, Michitaka SATO, Sokly SIEV, Sovanara UK, Chihiro YOSHMIURA. 2019. Quadrangularity of landuse land cover, water quality, nutrient and sediment dynamics in Tonle Sap Lake, Cambodia. 2019. The 4th International Symposium on Conservation and Management of Tropical Lakes, Sep 16-18, 2019, Phnom Penh, Cambodia

27. Rajendra KHANAL*, Pham Ngoc Bao, Binaya Shivakoti, Aiko Yamashita, Chihiro Yoshmiura. 2019. Knowledge synthesis for environmental conservation in Tonle Sap Lake, Cambodia. The 4th International Symposium on Conservation and Management of Tropical Lakes, Sep 16-18, 2019, Phnom Penh, Cambodia

26. I. Yoneda, S. Ang, M. Nishiyama, H. Mith, R. Khanal, S. In, T. Watanabe. 2019. Spatial distribution of E. coli concentration in the Tonle Sap Lake during low water level season. The 4th International Symposium on Conservation and Management of Tropical Lakes, Sep 16-18, 2019, Phnom Penh, Cambodia (Best presentation award)

25. Pinnara Ket, Marith Mong, Kimleang Chum, Ty Sok, Chantha Oeurng, Yoshimura Chihiro, Rajendra Khanal. 2019. Spatio-Temporal Water Quality in Tonle Sap Great Lake, Cambodia. The 4th International Symposium on Conservation and Management of Tropical Lakes, Sep 16-18, 2019, Phnom Penh, Cambodia

24. M. Mong, T. Sok, C. Oeurng1, I. Ich, P. Ket, C. Yoshimura, U. Sovannara, R. Khanal. 2019. Temporal Variation of Water Quality in Tonle Sap Lake Floating Villages Areas, Largest freshwater lake in Southeast Asia. The 4th International Symposium on Conservation and Management of Tropical Lakes, Sep 16-18, 2019, Phnom Penh, Cambodia

23. Michitaka Sato, Sokly Siev, Rajendra Khanal and Chihiro Yoshimura, 2018. Effect of soil type, slope and land use change on sediment yields in Tonle Sap Lake basins. 17th World Lake Conference, Oct 15-19, 2018, Tsukuba, Japan

22. Rajendra Khanal*, Yuichi Nagano, Kenji Taniguchi and Hiroaki Furumai, 2018. Impact of climate change on changes in river water temperature simulated with SIPHER model in Takasaki River basin, Chiba, Japan. 17th World Lake Conference, Oct 15-19, 2018, Tsukuba, Japan

21. Kaing Vinhteang, Sok Ty, Ich Ilan, Oeurng Chantha, Song Layheang, Siev Sokly, Uk Sovannara, Mong Marith, Hak Danet, Rajendra Khanal, Yoshimura Chihiro, 2018. Contemporary Water Quality Status in Floating Villages in Tonle Sap Lake: Case study in Chhnok Trou Villages. The 11th Regional Conference on Environmental Engineering 2018 (RCEnvE-2018) Jointly held with the 3rd International Symposium on Conservation and Management of Tropical Lakes, September 27 - 28, Phnom Penh, Cambodia

20. Sok Ty, Ich Ilan, Yang Heejun, Oeurng Chantha, Song Layheang, Siev Sokly, Uk Sovannara, Mong Marith, Hul Seingheng, Rajendra Khanal, Yoshimura Chihiro, 2018. Spatio-Temporal Variability of Water Quality in a Large Shallow lake In Southeast Asia: Tonle Sap Lake, Cambodia. 17th World Lake Conference, Oct 15-19, 2018, Tsukuba, Japan

19. Sokly Siev, Michitak Sato, Rajendra Khanal, Chihiro Yoshimura, 2018. Effect of shifting and various environmental factors on sediment load in the river basins located in Southeast Asia. 8th Regional Symposium on Infrastructure Development. October 25-26, 2018, Philippines

18. Vannak Ann, Porsry Ung, Sovannara Uk, Dilini Kodikara, Sokly Siev, Chanthol Peng, Sokunsreiroat Yuk, Sotheary Sann, Rajendra Khanal, Reasmey Tan, Seingheng Hul, Kazuhiko Miyanaga, Manabu Fujii, Chihiro Yoshimura, and Yasunori Tanji, 2018. Relationship between Microbial Communities and Water Quality in a Large Tropical Lake. The 11th Regional Conference on Environmental Engineering 2018 (RCEnvE-2018) Jointly held with the 3rd International Symposium on Conservation and Management of Tropical Lakes, September 27 - 28, Phnom Penh, Cambodia

17. Ich Ilan, Sok Ty, Kaing Vinhteang, Yang Heeyun, Oeurng Chantha, Song Layheang, Siev Sokly, Uk Sovannara, Mong Marith, Hul Seingheng, Rajendra Khanal, Yoshimura Chihiro, 2018. Application of Multivariate Techniques in the Assessment of Surface Water Quality in Tonle Sap Lake, Cambodia. The 11th Regional Conference on Environmental Engineering 2018 (RCEnvE-2018) Jointly held with the 3rd International Symposium on Conservation and Management of Tropical Lakes, September 27 - 28, Phnom Penh, Cambodia

16. Hashimoto Kana, Tanaka Tomohiro, Yoshioka Hidekazu, Siev Sokly, Khanal Rajendra and Yoshimura Chihiro. 2018. A one-way coupling of local inertial and advection-diffusion equations for computing phosphorous transport in Tonle Sap Lake. The 11th Regional Conference on Environmental Engineering 2018 (RCEnvE-2018) Jointly held with the 3rd International Symposium on Conservation and Management of Tropical Lakes, September 27 - 28, Phnom Penh, Cambodia

15. Sokly Siev, Michitaka Sato, Ichiro Yoneda, Rajendra Khanal, Sarann Ly, Hideto Fujii and Chihiro Yoshimura. 2018. Integration of hydrological and hydraulic models for simulating flood pulse and inundation area in Tonle Sap Lake. The 11th Regional Conference on Environmental Engineering 2018 (RCEnvE-2018) Jointly held with The 3rd International Symposium on Conservation and Management of Tropical Lakes, September 27 - 28, Phnom Penh, Cambodia (Best paper award)

14. Khanal Rajendra*, Hul Seingheng, Ngoc-Bao Pham, Ichihara Kazuko, Teraminami Tomohiro and Yoshimura Chihiro. 2018. Capacity Development for Environmental Conservation in Developing Countries: An Experience in Cambodia. The 11th Regional Conference on Environmental Engineering 2018 (RCEnvE-2018) Jointly held with The 3rd International Symposium on Conservation and Management of Tropical Lakes, September 27 - 28, Phnom Penh, Cambodia

13. Rajendra Khanal*, Sokly Siev, Sovanara Uk, Dillini Kodikara, Chihiro Yoshimura 2018. Impact of water level fluctuation on nutrient and sediment dynamics in a shallow lake: a case of Tonle Sap Lake, Cambodia. 12th International Symposium on Ecohydraulics, August 19-24, 2018, Tokyo, Japan

12. Anjana Dahal, Binaya Kumar Mishra, Rajendra Khanal*, and Chitresh Saraswat, 2017. Impact of Land Cover on Surface Runoff in Kathmandu Valley, Nepal. Water and Environment Technology Conference 2017 (WET2017), Sapporo, Japan, 22-23 July, 2017

11. Rajendra Khanal*, Yuichi Nagano, Kenji Taniguchi, and Hiroaki Furumai, 2016. Application of SIPHER model in analyzing present and future water temperature in Takasaki River, Chiba, Japan. The 12th International Symposium on Southeast Asian Water Environment (SEAWE2016), Hanoi, Vietnam, November 28-30, 2016.

10. Rajendra Khanal*, Hiroaki Furumai, and Fumiyuki Nakajima 2015. Application of high resolution Fourier transform mass spectrometry to non-targeted analysis of organic toxicants in urban road dust. 2015 International Environmental Engineering Conference, Busan, South Korea, 28 – 30 October, 2015.

9. Rajendra Khanal*, Futoshi Kurisu and Hiroaki Furumai, 2015. Characterization of influent pollutant loads dynamics during wet weather by continuous sensing of turbidity, EC and ammonia. 6th IWA-ASPIRE Conference and Exhibition, Beijing, China, 20-24 September 2015.

8. Misaki Nakajima, Rajendra Khanal, Tomoyo Shibata, SungAe Lee and Hiroaki Furumai, 2015. Influence of tidal level and rainfall characteristics on inflow dynamics of CSO load to the waterfront area of Tokyo Bay. 6th IWA-ASPIRE Conference and Exhibition, Beijing, China, 20-24 September 2015.

7. Yuichi Nagano, Rajendra Khanal*, Toshio Teraguchi, Nguyen Bac Giang, Pham Khac Lieu, and Hiroaki Furumai, 2014. Hydraulic Model Validation by EC Continuous Monitoring Data In Hue Citadel Drainage System. 13th International Conference on Urban Drainage organized by International Association for Hydro Environment and International Water Association, Sarawak, Malaysia, 7-12 September 2014.

6. Tomoyo Shibata, Rajendra Khanal, SungAe Lee, and Hiroaki Furumai, 2014. Model Prediction of E. coli Concentration in Coastal Areas Affected by Combined Sewer Overflows. 13th International Conference on Urban Drainage organized by International Association for Hydro Environment and International Water Association, Sarawak, Malaysia, 7-12 September 2014

5. Rajendra Khanal*, Hiroaki Furumai, and Fumiyuki Nakajima, 2014. PAHs Carcinogenic Profile and Toxic Equivalent Concentration of Urban Road Dust in Tokyo. IWA Diffuse Pollution Conference – Asian Regional Conference, DIPCON/ARC-2014, Kyoto, Japan on 3rd - 4th September, 2014.

4. Rajendra Khanal*, Hiroaki Furumai and Fumiyuki Nakajima, 2013. Toxicity identification and evaluation of urban road dust in Tokyo using Ostracod, Heterocypris incongruens direct contact test. 5th IWA-ASPIRE Conference and Exhibition, Daejeon, Korea, 8-12 September 2013.

3. Rajendra Khanal*, Kyoshiro Hiki, Hiroaki Furumai and Fumiyuki Nakajima, 2013. Toxicity of highway road dust to freshwater ostracod Heterocypris incongruens and marine amphipod Grandidierella japonica. International Environmental Engineering Conference and Annual Meeting of the Korean Society of Environmental Engineers (IEEC 2013), Seoul, South Korea, June 11-13, 2013.

2. Rajendra Khanal*, Hiroaki Furumai and Fumiyuki Nakajima, 2012. Assessment of urban road dust toxicity as a non-point pollution source contaminating water environment. 4th IWA Asia-Pacific Young Water Professionals Conference, Tokyo, Japan, December 7-10, 2012.

1. Rajendra Khanal*, Hiroaki Furumai and Fumiyuki Nakajima, 2012. Evaluation of toxicity change of urban road dust under wet condition using ostracod Heterocypris incongruens. Abstract, Society of Environmental Toxicology and Chemistry (SETAC) Asia Pacific Specialist Conference, Kumamoto, Japan, 24-27 September, 2012.

Selected peer reviewed poster presentations and conference publication

10. Yuichi Nagano, Rajendra Khanal, Hiroaki Furumai and Kenji Taniguchi, 2016. Impact of climate change on heat balance and future water temperature of lake Inba-Numa through the inflowing rivers, Japan. River Improvement Fund, Survey and Research department, Tokyo, Japan July 28, 2016 (In Japanese)

9. Yuichi Nagano, Rajendra Khanal and Hiroaki Furumai, 2015. Heat balance using multi-point long-term continuous observation data of the water temperature in lake Inba-Numa, Chiba, Japan. River Improvement Fund, Survey and Research department, Tokyo, Japan July 28, 2015 (In Japanese)

8. Tomoya Shibata, Rajendra Khanal*, SungAe Lee, Keisuke Kojima, Hiroyuki Katayama and Hiroaki Furumai, 2015. Three Dimensional Diffusion of Fecal Contamination in Tokyo Waterfront Area Affected by CSO. 10th International Urban Drainage Modelling Conference, Mont-Sainte_Anne, Quebec, Canada, 20-23 September 2015

7. Rajendra Khanal*, Chiheng Chu, Tomomi Hoshiko and Kyoungjin An, 2012. Proposal for sustainability indicators for achieving sustainable urban water use and management in Bangkok. 9th International Symposium on Water Supply Technology, Yokohama City, November 20 to 22, 2012, (Hybrid: Oral + Poster presentation).

6. Rajendra Khanal*, Hiroaki Furumai and Fumiyuki Nakajima, 2012. Toxicity assessment of size-fractionated urban road dust using ostracod Heterocypris incongruens. Conference Poster, IWA World Water Congress & Exhibition, Busan, Korea, September 16 to 21, 2012.

5. Arnab Jana, Rajendra Khanal and Nami Akinaga, 2012. Designing CSR program for Corporates focusing on Environment & Sustainability. “A case of Coca Cola, Hokkaido, Japan” UN-Habitat World Urban Forum 6, Naples, Italy, 1-7 September 2012.

4. Rajendra Khanal* and Dhan B Karki, 2012. Phytoaccumulation of lead and chromium by vegetable crops, Solanum tuberosum, Raphanus sativus, Brassica juncea and Spinacia oleracea. Water and Environment Technology Conference, 29-30 June, 2012, The University of Tokyo, Japan.

3. Rajendra Khanal*, Hiroaki Furumai and Fumiyuki Nakajima, 2012. Toxicity assessment of contaminants eluted from size fractionated urban road dust using ostracod Heterocypris incongruens. Global Center of Excellence for Sustainable Urban Regeneration Annual General Meeting, The University of Tokyo, Japan, June, 16, 2012. (Hybrid: Oral + Poster presentation).

2. Rajendra Khanal*, 2012. Water quality management at the time of nuclear emergency. 6th World Water Forum, Marseille, France, March 12 to 17, 2012.

1. Rajendra Khanal*, Chiheng Chu, Sundara Kalaimathy, Phattharamat Thiamngoen, Nopparat Patchanee, Kyoungjin An, Tomomi Hoshiko and Ryo Honda, 2011. Challenges and opportunities for achieving sustainable urban water use and management in Bangkok 2030: Proposal for sustainability indicators. Ninth International Symposium on Southeast Asian Water Environment, Bangkok, Thailand, December 1 to 3, 2011 (Poster: Best Poster Award).

Technical reports

5. Rajendra Khanal, Yuichi Nagano, and Hiroaki Furumai, 2016. Impact of climate change on heat balance and future water temperature in Takasaki river, Japan. River Development Fund Grant Project (Research and Research Division 2016. (In Japanese)

4. Rajendra Khanal, Yuichi Nagano, and Hiroaki Furumai, 2015. Multi-point long-term continuous monitoring of water temperature in the inflow rivers of lake Inba-Numa, Japan. River Development Fund Grant Project (Research and Research Division 2015. (In Japanese)

3. Rajendra Khanal, Yuichi Nagano, Kenji Taniguchi, and Hiroaki Furumai, 2014. Heat balance in Takasaki river, Japan, by long-term continuous monitoring of water temperature. FY2014, River Development Fund Grant Project (Research and Research Division 2014. (In Japanese)

2. Rajendra Khanal, Ghanshyam Jha and Pushpa Chaudhary, 2006. Physico-Chemical Analysis of Drinking Water and Socio-Economic Status of People of Pato VDC, Saptari, Nepal in mitigating the problem of Arsenic Contamination. The project report SEAM-N-MMA Environmental Laboratory, Biratnagar, Nepal, 2006

1. Rajendra Khanal and Bikrant Bikram Chand, 2005. Baseline Study on Arsenic Prevalence in Biratnagar Area, Nepal, The project report SEAM-N Project, Dharan, Nepal, 2005.

Invited speech

10. Analytical and policy aspects for the management of UV filters in marine environment, IWA ACHSW/EESS/CWR Online Workshop on Emerging Contaminants in Water, September 21, 2021.

9. Managing Risk and Enhancing Risk of Coral Reef in Southeast Asia. Keynote Speech 4 – Day 2 – Feb 5, 2021. The 13th AUN/SEED-Net Regional Conference on Chemical Engineering 2020 jointly held with the 5th International Symposium on Conservation and Management of Tropical Lakes, February 4-5, 2021, Phnom Penh, Cambodia.

8. Knowledge synthesis and policy for lake environmental management, Open Online Seminar on Lake Science and Management, 14 September 2020, Tokyo Institute of Technology, Japan

7. Collaborative research platform to manage risk and enhance resilence of coral reefs in southeast Asia. APN Workshop on understanding the interaction of ocean acidification and marine tourism for sustainable management of coral reefs, 2-5 Nov, 2019, Gold Coast Campus, Southern Cross University, Australia.

6. Knowledge synthesis for environmental conservation. Satreps Workshop Series 14, September 13, 2019. Institute of Technology of Cambodia.

5. Strengthening of Environmental Research and Management: A Case Study of a Freshwater Shallow Lake. 11th Nepal Engineers Association in Japan Symposium on Current and Future Technologies, Tokyo Institute of Technology, Tamachi Campus, Saturday, July 13, 2019, Tokyo

4. Trans-disciplinary research collaboration for environmental conservation of Tonle Sap Lake, Cambodia. Science day, May 2, 2018, Institute of Technology of Cambodia.

3. Safety and Quality Management of Advanced Laboratory. Satreps workshop 5. November 28, 2017. Institute of Technology of Cambodia.

2. Leadership for Negotiation in Environmental Management. Satreps workshop series 4, September 4, 2017, Institute of Technology of Cambodia

1. Early career research experience in Japan. Japan-Young Water Professional (J-YWP) 5th International Symposium in the Water and Environment Technology Conference 2016 (WET2016), 27th-28th August 2016, Chuo University, Korakuen campus.

Peer-reviewed book and book chapter

Book

2021

2. Yoshimura Chihiro, Rajendra Khanal, Uk Sovannara. Water and Life in Tonle Sap Lake, Springer (in press), Dec. 2021. Editors: Yoshimura, Chihiro, Khanal, Rajendra, Sovannara, Uk (Eds.) https://www.springer.com/gp/book/9789811666315#aboutBook

2019

1. Binaya Raj SHIVAKOTI, Ngoc-Bao PHAM, Hul SEINGHENG, Chihiro YOSHIMURA, Sovannara UK, Rajendra KHANAL, Sokly SIEV, Aiko YAMASHITA, Hideto FUJII, Tomohiro TANAKA, Hidekazu YOSHIOKA, Takashi NAKAMURA, Yoichi FUJIHARA, Keisuke HOSHIKAWA, Sarann LY, Sambo LUN, Sokchhay HENG, Sok TY, Mong MARITH, Oeurng CHANTHA, Song LAYHEANG, Fidero KUOK, Boreborey TY, Chanvorleak PHAT, Eden G. MARIQUIT, Winarto KURNIAWAN, Hirofumi HINODE, Porsry UNG, Reasmey TAN, Vannak ANN, Chanthol PENG, Manabu FUJII, Kazuhiko MIYANAGA, Yasunori TANJI. Environmental Changes in Tonle Sap Lake and its Floodplain: Status and Policy Recommendations. Editor: Binaya Raj SHIVAKOTI and Ngoc-Bao PHAM, jointly published by Institute for Global Environmental Strategies (IGES), Japan, Tokyo Institute of Technology (TokyoTech), Japan and Institute of Technology of Cambodia (ITC) – January 2020, ISBN: 978-4-88788-230-0

https://www.iges.or.jp/en/pub/tonlesapsatreps/en

https://www.iges.or.jp/en/publication_documents/pub/policyreport/en/10469/SATREPS+TonleSap+Policy+Report+Final+Print+Jan2020.pdf

2021

Book chapters