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সর্ব-শেষ হাল-নাগাদ: ২৯ জুলাই ২০১৫

আইসোটোপ হাইড্রোলজী ডিভিশন

 


Objectives


Isotope Hydrology Division works in the following main themes:

  • Investigations in surface-water and groundwater: their origin, dynamics, interrelations;
  • Problems and techniques for investigating sedimentation;
  • Water resources issues: pollution, source and transport of contaminants;
  • Determination of groundwater parameters by single-well dilution and multiple-well dilution technique using groundwater parameter testing instrument;
  • Studying the recharge mechanism of groundwater dynamics and hydraulics and relationship between different aquifer systems through the application of isotope techniques; and
  • Isotope data interpretation and evaluation methodologies: modelling approaches.

Activities

  • Determination of the Relation of Saturated Hydraulic Conductivity with the Variation of Filtration Velocity in the Laboratory Model (IA-04-AECD).
  • Studies on Groundwater Resources in Bangladesh using Isotope Tracer Techniques
  • Grain Size Analysis of the Coastal Bay Samples for a Relation between Grain Sizes and the Sample Depths
  • Implementation of Annual Development Project “ Isotope Hydrology for Groundwater Resources Exploration “
  • IAEA-TC research project “ Investigation of Coastal aquifer by Isotope Hydrology Techniques”(BGD/8/020)
  • IAEA-RCA research project “ Assessment of fresh water quality by Isotope Hydrology and Chemical Techniques”(RAS/8/104)
  • Studies on Investigation of Deep aquifer - under the framework of Bangladesh Water Supply Program Project (BWSPP) financed by World Bank.

Achievements

  • Studies on Sand and Silt Movement in Chittagong Harbor by Radioactive Tracer Techniques (BGD/8/004)
  • Geological Survey and Brief Study in the Shallow Water Areas of the Bay of Bengal.
  • Studies on use of Isotope Techniques for Mitigating Arsenic contamination in Groundwater
  • Studies on use of Isotopes in Dam safety and Dam sustainability
  • Isotopic Sampling for Resource Assessment and Monitoring of Water Supply Resources for Dhaka City Project
  • Sampling and Isotopic Analysis of Groundwater in Coastal belt - under the frame work of Bangladesh Arsenic Mitigation Water Supply Project (BAMWSP) financed by World Bank.
  • Studies on Groundwater Resources of Nawabganj Thana, Dhaka District
  • Use of Isotope Techniques to Groundwater contamination studies in Urbanized and Industrial Areas

Major Facilities

  • Groundwater Parameter Detection/Testing Instrument (Model FDC-250A) using the radioisotope tracer: Measuring device for flow direction and other groundwater parameters
  • Isotope tracer injector and water borne detector; equipment for sediment studies
  • Neutron probe and its accessories; measuring device for soil moisture and density,
  • Atomic Absorption Spectrophotometer (AAS), Total Organic Carbon (TOC) Analyzer, Flame Photometer, Microwave Digestion System (MDS), UV-VIS double beam Spectrophotometer, BOD & COD Analyzer for complete hydrochemical analyses
  • Electro-Chemistry Analyzer; For measuring pH, DO, Electric Conductivity, Redox Potential and Temperature etc.

Perspective Plan

  • Different industrial pollution through the application of single dilution and multiple Groundwater studies in the arsenic prone area and also in the area contaminated by dilution technique,
  • Mathematical models for the interpretation of environmental radioisotopes in groundwater systems and predicting the contaminant transport in the aquifer.
  • Modelling of flow dynamics in layered groundwater system – comparative evaluation of black box and numerical approaches. Simulation of groundwater age distributions.
  • Studies of leakage through the dams and reservoirs by isotope techniques, and simulate the leakage flow, predicting the probable direction of leakage and evaluating the protection strategies by numerical modelling

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