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FACULTY OF ENGINEERING Professor of CoastalEnvironmentalWater Resources Engineering Department of Civil and Environmental Engineering Tel 868 662 2002 ext. 83448 E-mail gyan.shrivastavasta.uwi.edu PROF. GYAN SHRIVASTAVA Gyan Shrivastava is professor of coastalenvironmentalwater resources engineering in the Department of Civil and Environmen- tal Engineering. He is the leader of the Water Group within the Department which comprises the three aforementioned study fields.This groupcomprising six staff membersis active in research on the hydrodynamics of coastline stabilityhydro-geology of crater lakes seawater intrusion into coastal aquifers optimization of rainwater cisterns safe treatment and disposal of liquid and solid wastewastewater re-useand rainfallrunoff modelling. Professor Shrivastava was awarded a gold medal in 2006 by the Caribbean Water and Wastewater Association for his contri- bution towards the optimal utilization and preservation of the regions water resources. He is also the recipient of research fellowships awarded by British Petroleum and the Inter- American Development Bank for carrying out research in tropical hydrology at Imperial College in London. He is a chartered civil engineer and a member of the Institution of Civil Engineers ICE in London and of the American Society of Civil Engineers ASCE. He is a reviewer for journals in hydrological science published by ASCE Elsevier ICE and Springer. Professor Shrivastava has carried out research in the follow- ing three areas over the years Estimation of in-stream flow requirements for the rivers in Trinidads north and north-east coasts This research has determined the limits of abstractions of water for future public use from these rivers from the viewpoint of ecologi- cal sustainability. It is only a matter of time before such abstractions become essential to meet the increasing demands for water in central and north Trinidad. The link between water resources and food security Trinidad and Tobago lives in the illusion of food security which is essentially import-based. This research first investi- gated the amount of virtual water embedded in imported food rice maze fruits and vegetable etc.. Thereafter it examined the availability of water for irrigationand feasibil- ity of building an irrigation infrastructure for ensuring food security. The conclusion is that it is possible to achieve a large measure of food security in Trinidad Tobago if it wants to. The impact of sea level rise on groundwater resources Sea level rise is a distinct possibilityand the islands of the Carib- bean are particularly vulnerable. One area of vulnerability is an increase in the extent of seawater intrusion into coastal aquifers which are an important source of public water supply in many islands. The research carried out shows how a numerical model can be built and applied to carry out real time simulations of seawater intrusion.Such simulations can inform water utilities for determining optimal pumping schedules under different scenarios of rainfall sea level and demand. Current Research Activity Teaching of Civil Engineering Design Ability to design a structure in an optimal manner is the essential skill required of civil engineers. The challenge is how to transform this teaching for the emerging needs of the society and amidst advance- ment in technology.Addressing this challenge has two aspects. First an assessment of what needs to be changed. Shrivastava G.S. ASCE Vision 2025 and the Capstone Design Project Journal of Professional Issues in Engineering Education and Practice American Society of Civil Engineers 139 1 5-11. Second how can the needed change be achieved This second aspect is currently being explored. Evaluation of the safety of dams in Trinidad Tobago Safety of the four dams in Trinidad Tobagothree of which are over 70 years old is a valid concern for public safety due to the likelihood of catastrophic dam failures caused by strong earth- quakes or intense rainstorms. An essential piece of research in this context is numerical simulation of dam-break waves to identify areas that might be affected so that advance warning systems for disaster preparedness can be established. Results from such simulations were included in the two short courses on River Mechanics which were delivered in early 2014 for local practicing engineers. Selected Publications Shrivastava G.S. Eco-hydrology and water resources manage- ment A pilot study in Trinidad Hydrological Sciences Journal 2006 51 6 1163-1176. Shrivastava G. S. Water resources food security A Caribbean case study Journal of Water Maritime Engineering 2003 156 4 351-353. Shrivastava G. S. Impact of sea level rise on seawater intrusion into a coastal aquifer Journal of Hydrologic Engineering199831 74-78. 84