Dhar, Ratan

Associate Professor
Earth and Physical Sciences

Phone: 3478063120
Office Location: AC-2E13
rdhar@york.cuny.edu
https://ratandhar.academia.edu/ Office Phone: 718-262-2889

Office Hours
Mon-Friday	Currently on a research trip during Sabbatical Leave, limited availability via email

Areas of Expertise

Hydrogeology
Environmental Science
Geochemistry
Analytical techniques in Environmental Geosciences
Biogeochemistry

Books in Field Of Expertise

Ratan Dhar and Bibhash Nath. Laboratory Manual of Enviornmental Science and Environmental Health. Iowa, USA: Kendall/Hunt Publishing Company, 2023. 250.

Ratan Kumar Dhar. Arsenic, A Silent Killer and Its Biogeochemistry in Groundwater. Germany: LAP LAMBERT Academic Publishing GmbH & Co. KG, 2011. 199.

Articles in Field Of Expertise

Saikia, P.,Nath, B. and Dhar, R.K.. "Quantifying the changing pattern of water level conditions and groundwater potential zones in a rapidly urbanizing Kamrup metropolitan district of Assam, India." Elsevier Journal of Groundwater for Sustainable Development. 2023: 18 pages.

He, Y., Liu, J., Duan, Y.,, Yuan, X.,Ma, L., Dhar, R. and Zheng, Y.. "A Critical Review of On-site Inorganic Arsenic Screening Methods.." Journal of Environmental Sciences. 125 2022: 453-469.

Dhar, R. K., Y. Zheng, K.A. Radloff, B. Mailloux, K. M. Ahmed and A. van Geen. "Microbes Enhance Mobility of Arsenic in Pleistocene Aquifer Sand from Bangladesh.." Environmental Science and Technology. 45 (7) 2011: 2648–2654.

Chakraborti, D., M. M. Rahman, B. Das, M. Murrill, S. Dey, S. C. Mukherjee, R. K. Dhar, B. K. Biswas, U. K. Chowdhury, S. Roy, S. Sorif, M. Selim, M. Rahman, Q. Quamruzzaman.. "Status of groundwater arsenic contamination in Bangladesh: A 14-year study report.." Water Research.. 44 2010: 5789-5802.

Dhar, R. K., Y. Zheng, M. Stute, A. van Geen, Z. Cheng, M. Shanewaz, M. Shamsudduha, M. A. Hoque, M.W. Rahman, and K.M. Ahmed. "Temporal variability of groundwater chemistry in shallow and deep aquifers of Araihazar, Bangladesh." Journal of Contaminant Hydrology. 99(1-4) 2008: 97-111.

Stute, M., Y. Zheng, P. Schlosser, A. Horneman, R. K. Dhar, M. A. Hoque, A. A. Seddique, M. Shamsudduha, K. M. Ahmed, and A. van Geen, 2007. "Hydrological control of As concentrations in Bangladesh groundwater." Water Resources Research. 43(9) 2007: W09417.

Van Geen A., Y. Zheng, Z. Cheng, Y. He, R. K. Dhar, J.M. Garier, J. Rose, A. Seddique, M.A. Hoque, and K. M. Ahmed. "Impact of irrigating rice paddies with groundwater containing arsenic in Bangladesh." Science of the total Environment. 367 2006: 769-777.

van Geen A., Y. Zheng Z. Cheng, Z. Aziz, A. Horneman, R.K. Dhar, B. Mailloux, M. Stute, B. Weinman, S. Goodbred, A.A. Seddique, M.A. Hoque, and K.M. Ahmed. "A transect of groundwater and sediment properties in Araihazar, Bangladesh: Further evidence of decoupling between As and Fe mobilization.." Chemical Geology. 228(1-3 SPEC. ISS.) 2006: 85-96.

van Geen A., Z. Aziz, A. Horneman, B. Weinman, R.K. Dhar, Y. Zheng, S. Goodbred, R. Versteeg, A.A. Seddique, M.A. Hoque, and K.M. Ahmed. "Preliminary evidence of a link between surface soil properties and the arsenic content of shallow groundwater in Bangladesh.." Journal of Geochemical Exploration. 88 (1-3 SPEC. ISS.) 2006: 157-161.

Zheng, Y., A. van Geen, M. Stute, R.K. Dhar, Z. Mo, Z. Cheng, A. Horneman, I. Gavrieli, H. J. Simpson, and R. Versteeg. "Geochemical and hydrogeological contrasts between shallow and deeper aquifers in two villages of Araihazar, Bangladesh: Implications for deeper aquifers as drinking water sources.." Geochimica Cosmochimica Acta. 69 2005: 5203-5218.

Dhar, R. K., Y. Zheng, P. Rubenstone, and A. van Geen. "A rapid colorimetric method for measuring arsenic concentration in groundwater." Analytica Chimica Acta. 526 2004: 203-209.

Horneman, A., A. van Geen, D. Kent, P. E. Mathe, Y. Zheng, R. K. Dhar, S. O'Connell, M. A. Hoque, Z. Aziz, M. Shamsudduha, A. Seddique, and K. M. Ahmed. "Decoupling of arsenic and iron release to Bangladesh groundwater under reducing conditions. Part I: Evidence from sediment profiles." Geochimica Cosmochimica Acta. 68(17) 2004: 3459-3473.

Zheng, Y., M. Stute, A. van Geen, I. Gavrieli, R. Dhar, H. J. Simpson, P. Schlosser, and K. M. Ahmed. "Redox control of arsenic mobilization in Bangladesh groundwater." Applied Geochemistry. 19(2) 2004: 201-214.

van Geen A., Y. Zheng, R. Versteeg, M. Stute, A. Horneman, R. Dhar, M. Steckler, A. Gelman, A. Small, H. Ahsan, J. Graziano, I. Hussain, and K.M. Ahmed. "Spatial variability of arsenic in 6000 contiguous tube wells in a 25 km2 area of Bangladesh." Water Resources Research. 39(5) 2003: HWC3-1-HWC3-16,1140.

van Geen, A., H. Ahsan, A. Horneman, R. K. Dhar, Y. Zheng, I. Hussain, K. M. Ahmed, A. Gelman, M. Stute, H. J. Simpson, S. Wallace, C. Small, F. Parvez, V. Slavkovich, N. J. LoIacono, M. Becker, Z. Cheng, H. Momotaj, M. Shahnewaz, A. A. Seddique, and J. H. Graziano. "Promotion of well-switching to mitigate the current arsenic crisis in Bangladesh." Bulletin of the World Health Organization. 80 2002: 732-737.

Roy, S., Q. Quamruzzaman, M. Rahman, D. Chakraborti, R. Dhar, B. Goutam. "Arsenic and its impact on health." IAHS-AISH publication. 260 1999: 30.

Chakraborti, D.,G. Samanta, B.K. Mandal, T.R. Chowdhury, C.R. Chanda, B.K. Biswas, R.K. Dhar, G.K. Basu and K.C. Saha. "Calcutta’s Industrial pollution: Groundwater arsenic contamination in a residential area and sufferings of people due to industrial effluent discharge- An eight year study report.." Current Science. 74 (4) 1998: 346-355.

Biswas, B.K., R.K. Dhar, G. Samanta, B.K. Mandal, D. Chakraborti, I. Faruk, K.S. Islam, M.M. Chowdhury, A. Islam, and S. Roy. "Detailed study report of Samta, one of the arsenic-affected villages of Jessore District, Bangladesh.." Current Science. 74(4) 1998: 134-145.

Dhar, R.K., B.K. Biswas, G. Samanta, B.K. Mandal, D. Chakraborti, S. Roy, A.W. Khan, S.A. Ahmed, S.A. S.A., Hadi. "Groundwater arsenic calamity in Bangladesh." Current Science. 73(1) 1997: 48-59.

Mandal, B.K., T. R. Chowdhury, G. Samanta, G.K. Basu, P.P. Chowdhury, C.R. Chanda, D. Lodh, N.K. Karan, R. K. Dhar, D.K. Tamili, D. Das, K.C. Saha, and D. Chakraborti. "Chronic arsenic toxicity in West Bengal." Current Science. 72(2) 1997: 114-117.

Mandal, B.K., T. R. Chowdhury, G. Samanta, G.K. Basu, P.P. Chowdhury, C.R. Chanda, D. Lodh, N.K. Karan, R. K. Dhar, D.K. Tamili, D. Das, K.C. Saha, and D. Chakraborti. "Arsenic in groundwater in seven districts of West Bengal, India-The biggest arsenic calamity in the world.." Current Science. 70(11) 1996: 976-986.

Chapters in Field Of Expertise

Dhar, R. K., Cunningham, A., and Zheng, Y.. "Hydrogeochemical Controls on Arsenic in Bangladesh Aquifer.." One Century of the Discovery of Arsenicosis in Latin America (1914-2014), eds. Litter, Nicolli, Meichtry, Quici, Bundschuh, Bhattacharyya and Naidu, CRC press, Taylor and Francis Group, London. Chapter-4 2014: 17-22.

DeFabio, D., Beauzile, W. and Dhar, R. K.. "Water Quality of Brackish Water in Jamaica Bay: Monitoring of Nutrients and Fecal Indicator Bacteria (FIB)." Long Island Sound biennial research conference proceedings. 2011: 9-14.

Dhar, R. K., Y. Zheng, C.W. Saltikov, K. A. Radloff, B. Mailloux and A. van Geen.. "Microbe enhanced mobility of Arsenic in deep Pleistocene aquifers in Bangladesh.." Arsenic in Geospehre and Human Diseases-Jean, Bundschuh and Bhattacharyya (eds).. 2010: 143-145.

Chowdhury, U.K., Biswas, B.K., Samanta, G., Mandal, B.K,, Chowdhury, T.R., Dhar, R.K., Basu, G.K., Chanda, Saha, K.C., Roy, S., Kabir, S., and Chakraborti, D.. "Groundwater arsenic calamity in West Bengal-India and Bangladesh." Bioavailability and its potential role in risk assessment. 2000: .

Mandal, B.K, Biswas, B.K., Dhar, R.K., Samanta G, Chowdhury, T.R., Basu, G.K., Chanda, C.R., Saha, K.C., Kabir, S., Roy, S.,. and Chakraborti, D.. "Groundwater arsenic contamination and sufferings of people in West Bengal, India and Bangladesh: status report up to March 1998." Metals and Genetics. 3 1999: 41-65.

Chowdhury, U.K., Biswas, B.K., Dhar, R.K., Samanta G, Mandal, B.K., Chowdhury, T.R., Chakraborti, D., Kabir, S., Roy, S.. "Groundwater arsenic contamination and sufferings of people in Bangladesh.." Arsenic Exposure and Health Effects. 1999: 165-182.

Chowdhury, T.R., Mandal, B.K., Samanta, G., Dhar, R.K., Basu, G.K., Chowdhury, P.P., Chanda, C.R., Karan, N.K., Lodh, D., Das, D., Saha, K.C., and Chakraborti, D.. "Arsenic in groundwater in seven districts of West Bengal, India: the biggest arsenic calamity in the world: The status report upto August, 1995." Arsenic Exposure and Health Effects. 1997: 91-111.

Refereed Proceedings in Field Of Expertise

SINGH, T., JORDAN, J., ULLAH, A., and DHAR, R.. "Evaluating Lead (Pb) Contents in Topsoil and Soil Fractions in Queens New York.." American Geophysical Union Fall Meeting in Chicago, IL. abstract# GH45C-0688 Dec. 12-16, 2022: .

JORDAN, J., SINGH, T., ULLAH, A., DHAR, T., and DHAR, R.. "How does anthropogenic and ecological factors influence the Counts of Fecal Indicator Bacteria at the Meadow Lake and Baisley Pond in Queens, NY?." American Geophysical Union Fall Meeting in Chicago, IL. abstract# GH45E-0697 Dec. 12-16, 2022: .

PAUL, A., RAMPERSAUD, H., ULLAH, A., DHAR T., and DHAR, R.. "Exploring Hazardous Metals Particularly Lead (Pb) in One of The Densely Populated Areas in New York City.." American Geophysical Union Fall Meeting in Chicago, IL. abstract# GH51A-07 Dec. 12-16, 2022: .

DHAR T., SINGH, T., JORDAN, J., ULLAH, A., RAMPERSAUD, H., PAUL, A., and DHAR, R.. "Assessment of Hazardous Metal Contamination in Public Park Soils of New York.." American Geophysical Union Fall Meeting in Chicago, IL. abstract# GH51A-08. Dec. 12-16, 2022: .

RAMPERSAUD, H., TOTTEN, M., NATH, B. and DHAR, R.. "Seasonal Variation of Fecal Indicator Bacteria in Corona Meadow lake, Flushing.." The Geological Society of America (GSA), Portland, Oregon. 53(6) Oct. 10-13, 2021: .

ULLAH, A., JOHNSON, K., NATH, B. and DHAR, R.. "Assessing the levels of Water Contaminants Discharging to Jamaica Bay.." The Geological Society of America (GSA), Portland, Oregon. 53(6) Oct. 10-13, 2021: .

JOHNSON, K., NATH, B. and DHAR, R.. "Assessing the historical water quality of Jamaica Bay, New York.." The Geological Society of America (GSA), Portland, Oregon. 53(6) Oct. 10-13, 2021: .

Luz A. C., NOUREEN, M., RAHAT, I. and DHAR, R.. "Groundwater nitrate contamination in upper glacial aquifer in southeast Queens, New York City.." The Geological Society of America (GSA), Portland, Oregon. 53(6) Oct. 10-13, 2021: .

DHAR, A., RAHMAN, S., NATH, B. and DHAR, R.. "Occurrence of FIBs (Fecal Indicator Bacteria) in Flushing Bay, New York City." The Geological Society of America (GSA), Portland, Oregon. 53(6) Oct. 10-13, 2021: .

DHAR, R. and CADAVID, L.. "Exploring villagers’ indigenous knowledge of water and soil management practices in selected communities of the village Carbuna of the Republic of Moldova." The Geological Society of America (GSA), Portland, Oregon. 53(6) Oct. 10-13, 2021: .

DHAR, Ratan. "Investigating the occurrence of arsenic and manganese in urban aquifers of Chittagong, Bangladesh.." Online Geological Society of America Fall Meeting, Montreal, Canada. 52(6) Oct. 26-30, 2020: .

DHAR, Ratan, CADAVID, Luz A., VICTORIA, Rebecca and PERSAUD, Ushana.. "Assessment of Anthropogenic Effects upon Water and Soil in the village Carbuna of The Republic of Moldova.." Online Geological Society of America Fall Meeting, Montreal, Canada. 52(6) Oct. 26-30, 2020: .

SUHAIL, Ifrah, MUKHAMADJANOVA, Marjona and DHAR, Ratan. "Impact of Covid-19 on different population groups: A case study of New York City.." Online Geological Society of America Fall Meeting, Montreal, Canada. 52(6) Oct. 26-30, 2020: .

Dhar, R. and Palit S.. "Geochemical and Hydrological Controls on Occurrence of Arsenic and Manganese in Aquifers of Chittagong, a Rapidly Expanding Coastal City of Bangladesh." American Geophysical Union Fall Meeting, San Francisco, CA. abstract# GH23B-1236 Dec. 9-13, 2019: .

Cadavid, L, Victoria, R., Persaud, U. A., Damaschin, M., Cebotari, N. and Dhar R.. "Physico-chemical characteristics of water in Carbuna Village of the Republic of Moldova: Developing a water quality Index for water resource management." American Geophysical Union Fall Meeting, San Francisco, CA. abstract# GH23B-1249 Dec. 9-13, 2019: .

Victoria, R., Persaud, U. A., Cadavid, L, Moldovan, V., Damaschin, M., Cebotari, N. and Dhar R.. "The Rationalization of Why Carbuna, Moldova Prospers in Vegetation Through the Study of Different Soil Properties and Parameters." American Geophysical Union Fall Meeting, San Francisco, CA. abstract# B21F-2405 Dec. 9-13, 2019: .

Nandi U., Cadavid, L, Persaud, U. A., Victoria Rebecca, Damaschin, M., Cebotari, N. and Dhar R.. "Elevated level of Nitrate-Nitrogen in Wells of Carbuna village in the Republic of Moldova: Preliminary results from a short-term community project for testing well water." American Geophysical Union Fall Meeting, San Francisco, CA. abstract# GH23B-1236W Dec. 9-13, 2019: .

Fahima, J., DeFabio, D and Dhar, R.. "Effectiveness of New York State Department of Environmental Conservation Restoration planting requirements." National Council on Undergraduate Research Annual Meeting (NCUR19@ATL) at Kennesaw State University, Georgia. April 10-13, 2019: .

Soomai, N. V., Leung, A.L. and Dhar, R.. "The effect of unregulated discharge into urban lakes and ponds of freshwater Ecosystem." National Council on Undergraduate Research Annual Meeting (NCUR19@ATL) at Kennesaw State University, Georgia. April 10-13, 2019: .

Persaud U., Victoria, R., and Dhar, R.. "Effects of Industrial Activities on Soil Quality of Recreational Areas." National Council on Undergraduate Research Annual Meeting (NCUR19@ATL) at Kennesaw State University, Georgia. April 10-13, 2019: .

Victoria, R., Persaud, U. A. and Dhar R.. "The Impact of rapid urbanization on soil quality: A Comparison of Soils in Urban and Suburban Settings of New York." National Council on Undergraduate Research Annual Meeting (NCUR19@ATL) at Kennesaw State University, Georgia. April 10-13, 2019: .

SOOMAI, N. V., LEUNG, A.L. and DHAR, R.. "The effect of unregulated discharge into urban lakes and ponds of freshwater Ecosystem.." Geological Society of America Annual Meeting & Exposition, Indianapolis, IN. 50(6) Nov. 4-7, 2018: 271-3.

MOJUMDAR, A., DeFABIO, D. and DHAR, R.. "Comparing the effects of chemical elements in freshwater soil and wetland soil." Geological Society of America Annual Meeting & Exposition, Indianapolis, IN. 50(6) Nov. 4-7, 2018: 244-25.

CADAVID, L. A., SAJU, A., and DHAR, R.. "A storm-water management study: Flood impacts on the residents of South Jamaica, Queens.." American Geophysical Union Fall Meeting, San Francisco, CA. abstract# H43J-2607 Dec. 10-14, 2018: .

FAHIMA, J., DHAR, R. and DeFABIO, D.. "Effectiveness of New York State Department of Environmental Conservation Restoration planting requirements.." American Geophysical Union Fall Meeting, San Francisco, CA. abstract# GC23F-1269 Dec. 10-14, 2018: .

Alcantara, A., Pardo, L., Zaman, S. and Dhar, R.. "Transport and Occurrences of Fecal Indicative Bacteria (FIB) in New York City Lakes." 31st National Conference on Undergraduate Research, The University of Memphis. Oral April 6-8, 2017: 3.

Suriel M. Agbato, J., Griffith, N. and Dhar, R.. "A brief survey on Stormwater Management: A noble approach to tailor the education and outreach efforts of residents in flood affected areas in Queens County, New York City." 31st National Conference on Undergraduate Research, The University of Memphis. Oral April 6-8, 2017: 2.

Griffith, N., Suriel M. Agbato, J. and Dhar, R.. "Lessons learned from STORMWATER survey in flood prone area of southeast Queens funded by NYCDEP (NYC Department of Environmental Protection)." 31st National Conference on Undergraduate Research, The University of Memphis. Poster April 6-8, 2017: 7.

Ferdous, R., Ahmed, T. and Dhar, R.. "Determination of elemental arsenic and leachable arsenic in aquifer sedimentsamples of Bangladesh." 31st National Conference on Undergraduate Research, The University of Memphis. Poster April 6-8, 2017: 8.

Egonu, S., Frank, P., Sahin, M. and Dhar, R.. "Nitrate contamination in groundwater of Upper Glacial Aquifer of South East Queens, New York City." 31st National Conference on Undergraduate Research, The University of Memphis. Poster April 6-8, 2017: 6.

Ality A., Dhar, R. and Schleifer, S.. "Assessing the source and fate of nitrate in groundwater associated with upper glacial aquifer, south-east Queens, New York City.." Geological Society of America Annual Meeting & Exposition, Seattle, WA. 49(6) Oct. 22-25, 2017: 77-6.

Pardo, L., Alcantara, A. and Dhar, R.. "A simple extraction method for detecting the fecal indicative bacteria in urban soil.." American Chemical Society Middle Atlantic Regional Meeting. June 9-12, 2016: MARM-178.

Ferdous, R., Ahmed, T. and Dhar, R.. "Determination of elemental arsenic and leachable arsenic in aquifer sediment samples of Bangladesh.." American Chemical Society Middle Atlantic Regional Meeting. June 9-12, 2016: MARM-509.

Aslam, K., Kaur, H. and Dhar, R.. "Optimization of a spectrophotometric method to determine ammonia in groundwater.." American Chemical Society Middle Atlantic Regional Meeting. June 9-12, 2016: MARM-226.

Sarker, A. and Dhar, R.. "Chemical characterization of urban soil in New York City.." American Chemical Society Middle Atlantic Regional Meeting. June 9-12, 2016: MARM-456.

Lee, S. and Dhar, R.. "Detection of anthropogenic influences on nutrient enrichment in New York City parks.." American Chemical Society Middle Atlantic Regional Meeting. June 9-12, 2016: MARM-409.

Dhar R., Dhar Avik, Robel, Md,; Alam, MD. Mahabub; Palit, Swapan.. "Hydrogeochemical study to understand mobilization of arsenic and manganese in aquifers of Chittagong, a rapidly expanding coastal city in Bangladesh." Geological Society of America Annual Meeting & Exposition.. 47(7) Nov. 1-4, 2015: 842.

Heralall S.and Dhar R.. "Optimization of a spectrophotometric method to determine ammonia in groundwater to understand arsenic occurrence in shallow aquifers of Chittagong, a rapidly expanding coastal city of Bangladesh." Geological Society of America Annual Meeting & Exposition.. 47(7) Nov. 1-4, 2015: 525.

Brown L., Bhaskaran, S. and Dhar R.. "Automated feature extraction algorithms from multispectral space borne datasets.." Geological Society of America Annual Meeting & Exposition.. 47(7) Nov. 1-4, 2015: 525.

Schleifer S., Khandaker, N.I., Narine, K. Haque, E.and Dhar R.. "A college level Geology field trip in western Connecticut and vicinity.." Geological Society of America Annual Meeting & Exposition.. 47(7) Nov. 1-4, 2015: 525.

Pardo, L., Alcantara, A, Zaman, A., and Dhar R.. "Occurrences of fecal indicative bacteria (FIBs) in urban lake environment.." Geological Society of America Annual Meeting & Exposition.. 47(7) Nov. 1-4, 2015: 298.

Sarker Ananta, St. Elin, S. Less, S., and Dhar R.. "Chemical characterization of urban lake water and soil in the New York City.." Geological Society of America Annual Meeting & Exposition.. 47(7) Nov. 1-4, 2015: 297.

Salam M., Brown, L. Aslam, K., Agbato J., Das, U., Grifith, N., Halm K., Heralall, S., Suriel, M., and Dhar R.. "Storm water survey: A noble approach to tailor the education and outreach efforts of residents in flood affected area in Queens County, New York City.." Geological Society of America Annual Meeting & Exposition.. 47(7) Nov. 1-4, 2015: 166.

Choeying, T., Daniels, F., Schleifer, S., Narine, K. and Dhar R.. "Elemental and mineralogical variation in the upper silurian to lower devonian formations in Rosendale, Ulster County, New York, USA.." Geological Society of America Annual Meeting & Exposition.. 46(6) Oct. 19-22, 2014: 115.

Schleifer, S., Khandaker, N. I., Choeying, T., Barnett, B., Velez, B., Salam, M., Narine, K. and Dhar R.. "Décollment in the upper silurian to lower Devonian rocks outcropping in the twon of Rosendale, Ulster County, N.Y.." Geological Society of America Annual Meeting & Exposition.. 46(6) Oct. 19-22, 2014: 114.

Chavez, A., Emofovwah, O. and Dhar R.. "Microbial mobilization from urban soils to adjacent lakes and ponds.." Geological Society of America Annual Meeting & Exposition.. 46(6) Oct. 19-22, 2014: 115.

Daniels, F., Choeying, T., Noor, F. and Dhar R.. "Impacts of urbanization on soil quality and sub-surface environment.." Geological Society of America Annual Meeting & Exposition.. 46(6) Oct. 19-22, 2014: 114.

Gil, Y., Abraham, D., Hoque, R., and Dhar R.. "Physico-chemical characteristics of urban water bodies in New York City.." Geological Society of America Annual Meeting & Exposition.. 46(6) Oct. 19-22, 2014: 529.

Dhar R., Riley, A., Patel, M. and Kumari, D.. "Evaluation of the sorption capacity of biochar amended sediments: an effective way to remove contaminants from natural resources and to reduce carbon emission.." Geological Society of America Annual Meeting & Exposition.. 46(6) Oct. 19-22, 2014: 614.

Aremu, O., Dhar, R.. "Temporal variation in groundwater chemistry of upper glacial aquifer.." Geological Society of America Annual Meeting & Exposition.. 46(6) Oct. 19-22, 2014: 530.

Non Refereed Proceedings in Field Of Expertise

Persaud U., Cadavid, L., Victoria, R., and Dhar, R.. "Exploring Water and Soil Quality in the Village Carbuna, Ioloveni, Moldova,." NSF-AACC ATE Principal Investigators Conference at Washington D.C.. Oct. 23-25, 2019: .

Presented Papers, Lectures, and Exhibitions and Performances

" Investigating the occurrence of arsenic and manganese in urban aquifers of Chittagong, Bangladesh " Oct. 28, 2020: Online Geological Society of America Fall Meeting, Montreal, Canada.

" Assessment of Anthropogenic Effects upon Water and Soil in the village Carbuna of The Republic of Moldova " Oct. 29, 2020: Online Geological Society of America Fall Meeting, Montreal, Canada.

" Geochemical and Hydrological Controls on Occurrence of Arsenic and Manganese in Aquifers of Chittagong, a Rapidly Expanding Coastal City of Bangladesh " Dec. 12, 2019: American Geophysical Union Fall Meeting.

" Frequent flooding and its impact on urban community of southeast Queens, NYC. " March 8, 2017: Dean’s distinguished lecture series, School of Health Sciences and the Professional Programs at York College.

" Monitoring of aquifer geochemistry to understand the mobilization of arsenic and manganese in groundwater of Chittagong, a rapidly expanding coastal city in Bangladesh " June 11, 2016: American Chemical Society Middle Atlantic Regional Meeting (MARM 2016).

" Water Pollution Crisis: One of the greatest environmental challenges of the 21st century " August 23, 2015: CESER, CUET and NGOs of Chittagong, Bangladesh.

" Workshop on "Introducing the principle of the method, reagent preparation for measuring arsenic in the laboratory" " August 23, 2015: CESER, CUET, Chittagong, Bangladesh.

" Hydrogeochemical study to understand mobilization of arsenic and manganese in aquifers of Chittagong, a rapidly expanding coastal city in Bangladesh. " Nov. 2015: Geological Society of America 2012 Annual Meeting & Exposition.

" Hydrochemical controls on arsenic occurrence in Bangladesh aquifer " May, 2014: 5th international Congress on Arsenic in the environment As-2014, Buenos Aires, Argentina.

" Water Crisis in Southeast Asia: One of the Greatest Global Environmental Challenges of the 21st Century " Nov. 2013: Water and Wastewater Policy Forum on Capitol Hill, Washington, DC,.

" Evaluation of the sorption capacity of biochar amended sediments: an effective way to remove contaminants from natural resources and to reduce carbon emission. " Nov. 2012: Geological Society of America 2012 Annual Meeting & Exposition.

" Lessons from arsenic research in Bangladesh: its implication for the sustainability of aquifers as long term safe water sources. " Nov. 2012: Geological Society of America 2012 Annual Meeting & Exposition.

" Occurrence of fecal indicative bacteria (FIB) in urban lakes and estuaries of New York City, USA. " Nov. 2012: Geological Society of America 2012 Annual Meeting & Exposition.

" Remote sensing and arsenic biogeochemistry in Bangladesh and its implication for the sustainability of deep aquifers as long term drinking water sources " May 25, 2012: NOAA-CREST Center , CCNY of CUNY.

" The sustainability of aquifers as long term drinking water sources in Bengal Basin " March, 29, 2012: GEOS (Geology, Earth Science and Oceanography) talk series.

" Mitigation of arsenic problem in Bangladesh " Feb. 25, 2012: WARDS (Welfare Association For Rural Development, Inc).

" groundwater level rise in SE Queens " Nov. 2011: The Civic Society meeting of Federated Blocks of Laurelton, Jamaica..

" Biogeochemistry of arsenic in groundwater and its implication for evaluating the sustainability of aquifers as a long-term safe water sources " Oct. 2011: Geological Society of America 2011 Annual Meeting & Exposition.

" Solid phase arsenic and iron speciation in sediment core samples collected from three villages in an arsenic affected district of West Bengal, India " Nov. 3, 2010: Geological Society of America 2010 Annual Meeting & Exposition.

" The sustainability of aquifers as long term drinking water sources in Bengal Basin " June, 2010: CUNY Graduate Center, Department of Chemistry.

" "Water and its contamination” " April , 2010: Earth Day organized by Community Leaders and York college community.

" Groundwater as heat sink and/or source; an realistic approach to solve the groundwater problem in SE Queens " Nov. 2009: Participating York College's faculty,staffs, students at Sustainability Planning Meeting.

" Heavy metal and nutrient concentrations in Jamaica Bay, New York " Oct. 21, 2009: Participating scientists and students at Hydrology session of GSA international meeting at Portland, Oregon.

" Groundwater hydrogeochemistry and its implications for arsenic mobilization in shallow and deep aquifers in Araihazar, Bangladesh " Oct. 19, 2009: Participanting scientists and students at Hydrology session of GSA international meeting at Portland, Oregon.

" Spatial variability of nutrient concentrations in Jamaica Bay, NY " Oct. 19, 2009: Participating teachers and students at GSA international meeting at Portland, Oregon.

" Physical and chemical characterization of Jamaica Bay sediments " Oct. 19, 2009: Participating teachers and students at GSA international meeting at Portland, Oregon.

" Water contamination: a threat to human health and socioeconomic condition " July, 2009: NYC high school science teachers and students attending the workshop at York College.

" Water quality of south east Queens, New York " April 24, 2009: York College scientists and community leaders on Earth Day.

" Microbes Enhanced Mobility of Arsenic, without iron reduction in deep Bangladesh Aquifer. " Dec. 17, 2008: Participating scientists and students at Hydrology session of AGU international meeting at Sanfrancisco, CA.

" Microbes and arsenic mobilization in deep Pleistocene aquifer of Bangladesh: limited role of iron reduction " Oct. 2006: Geological Society of America 2006 Annual Meeting & Exposition.

" The role of microbes and organics in mobilization of arsenic in deep Pleistocene aquifers of Bangladesh " March. 2005: Sigma XI The Scientific Research Society Queens College Chapter.

" Declining temporal variability of major ions concentrations but not arsenic concentrations as the function of groundwater age in the Ganges-Brahmaputra-Meghna (GBM) delta of Bangladesh " Dec 14, 2004: Participating scientists and students at Hydrology session of AGU international meeting at Sanfrancisco, CA.

" A rapid colorimetric method for measuring dissolved inorganic arsenic concentrations in groundwater " Nov. 2003: Superfund Basic Research-EPA Annual Meeting – Integrating perspectives, Hanover, New Hampshire, USA.

" A rapid colorimetric method for measuring arsenic concentrations in groundwater " Sept. 2003: 226th American Chemical Society National Meeting.

" Little temporal variability of groundwater arsenic concentration in a spatially heterogeneous aquifer system in the Ganges-Brahmaputra delta of Bangladesh " Nov. 2002: Superfund Basic Research-EPA Annual Meeting - Transitioning basic science into practical applications to meet environmental and public health challenges,Tucson, Arizona.

" An inexpensive, field base chromatographic method to removal of total arsenic from the samples prior to determining the sulfur isotopes in groundwater " Sept. 2002: the Sigma conference, Queens College, NY.

" Adaptation and modification of a colorimetric method for simultaneous field determination of inorganic arsenic and phosphate in groundwater, Arsenic in Drinking Water " Nov. 2001: International Conference, Columbia University, New York.

" Variability of Arsenic concentrations in Tube wells from one Village in Araihazar Upazila, Narayanganj District of Bangladesh " Nov. 2001: Geological Society of America 2006 Annual Meeting & Exposition.

" Redox control of arsenic mobilization in Bangladesh groundwater " Dec. 2000: Superfund Basic Research-EPA Annual Meeting – Oxidative Processes: stress to remediation at Chapel Hill, North Carolina, USA.

" Arsenic mobilization in Bangladesh groundwater: a case study of geochemistry and hydrology in Naryanganj and Laximpur district " Aug. 2000: 31st International Geological Congress 2000-‘Geology and Sustainable Development-Challenges of the Third Millennium’, Pre-congress Workshop ‘Arsenic in Groundwater of Sedimentary Aquifer’, Rio de Janeiro (Brazil).

" Hydrogeochemical study of the mobilization of arsenic in Bangladesh groundwater-the role of redox condition " Sept. 2000: Goldschmidt Conference, Oxford(England).

" Groundwater Flow Dynamics and As Geochemistry in the Central Ganges-Brahmaputra Delta of Bangladesh " Dec. 2000: American Geophysical Union 2000 Annual Meeting.

" Groundwater arsenic contamination and sufferings of people in Bangladesh may be the biggest arsenic calamity in the world " Feb. 1998: International Conference on arsenic pollution of groundwater in Bangladesh: Causes, Effects and Remedies, Dhaka, Bangladesh.

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Professional Honors, Prizes, Fellowships

Provost's Award for Undergraduate Research Engagement: May 9, 2019.

Dean's Award for Undergraduate Research Engagement: May 3, 2018.

Provost's Award for Undergraduate Research Engagement: May 4, 2017.

Dean's Award for Undergraduate Research Engagement: May 5, 2016.

Dean's Award for Undergraduate Research Engagement: May 7, 2015.

Dean's Award for Undergraduate Research Engagement: April 24, 2014.

Grants-In-Aid

Department of Education- MSEIP(Minority Science and Engineering Improvement Program), Developing STEM Workforce through Career Advisement and Research Engagement (STEM-CARE). September 2022- Aug. 2025: 750,000.00.

PSC-CUNY Research Award (Traditional A), Evaluation of the arsenic sorption and retention capacity of biochar amended soils in Bangladesh: an effective way to stop mobilization of arsenic inpaddy field.. July 2022- June 2023: 3,500.00.

National Science Foundation, Pathways to Geospatial Technology and Careers. June 2017-January 2023: 899,819.00.

PSC-CUNY Research Awards (Traditional A), Investigating the accumulation of arsenic in crop field soil and its effect on the fate and transport of groundwater arsenic in Bangladesh. June 2020- December 2022: 3,500.00.

National Science Foundation, Acquisition of a Tabletop High-Resolution Scanning Electron Microscope. June 2018-July 2021: 170,000.00.

PSC-CUNY Research Awards (Traditional B), The effect of unregulated discharges into urban pond/lakes on freshwater ecosystem. July 2017- December 2018: 6,000.00.

PSC-CUNY Research Awards (Traditional A), Developing a self-reliance operating model for arsenic measurement to understand the fate and transport of aquifer arsenic in Chittagong, Bangladesh. July 2016 - December 2017: 3,500.00.

PSC-CUNY Research Awards (Traditional B), Sediment Geochemistry to understand mobilization of arsenic and manganese in aquifers of Chittagong, a rapidly expanding coastal city in Bangladesh. July 2015 - June 2016: 6,000.00.

NYC Department of Environmental Protection Award, Storm water management in greater Jamaica area. June 2015 - May 2016: 50,000.00.

Offices Held In Professional Societies

Member, The Concil on Undergraduate Research: 2016- present.

Policy member, New York Marine Science Consortium (NYMSC) committee: Sept. 2008-present.

Member, Mineralogical Society of America: 2008-present.

Member, Geological Society of America: 2005-present.

Member, Geology and Health: 2009 - present.

Member, American Geophysical Union: 2004-present.

Member, American Chemical Society: 2003-present.

Member, National Association of Geoscience Teachers: 2008-present.

Member, International Association of Hydrological Sciences: 2008-present.

Other Professional Activities and Public Service

Active Peer Reveiwer of WATER Journal: 2016 - present.

Active Peer Reveiwer of Journal of Hydrology.: 2016 - present.

Active Peer Reveiwer of PLOS One: 2015 - present.

Active Peer Reveiwer of International Journal of Environmental Research and Public Health.: 2015 - present.

Editororial member and Active Peer Reviewer of Journal: Frontiers in Environmental Science, section Groundwater Resources and Management".: 2014- present.

Active Peer Reveiwer ofJournal of Geochemical Exploration: 2014-present.

Active Peer Reveiwer of Journal of Geochemistry: 2014-present.

PSC-CUNY grant proposal (Earth Sciences) panel reviewer: 2014- present.

Serve as a Reviewer Panelists for NSF GRFP program: 2014-2022.

NSF grant proposal peer reviewer "REU Site".: 2014-2015.