HYDROLOGY AND WATER RESOURCES ANALYSIS

Hydrology and Water Resources Analysis Laboratory undertakes studies relating to hydrological modelling, water yield assessment, flood forecasting, design flood estimation and water quality monitoring and analysis.

AREAS OF SPECIALIZATION AND MAJOR STUDIES UNDERTAKEN

Hydrometeorolgical Studies

  • Hydrological Modelling : Narmada, Godavari, Tapi River Basins

  • Flood Forecasting/Warning System : Tapi, Godavari and Mahanadi River Basins; Kahalgaon Super Thermal Power Project and Kol Dam

  • Probable Maximum Flood Estimation : Sardar Sarovar, Indira Sagar, Omkareshwar, Maheshwar, Bargi, Ukai, Tapovan-Vishnugad and Loharinag-Pala Projects

  • Extreme Value Analysis of Rainfall : Mithi River Basin (Mumbai); Kudankulam (Tamil Nadu) and Barh (Bihar) Regions; Ungauged Basins

  • Low Flow Assessment : Godavari, Krishna-Venna, Mahanadi, Narmada and Tapi rivers

  • Water Yield Studies : Amba at Pali, Tapi at Ghala, Narmada at Mortakka, Wellington Cantonment Area, INS Mandovi, Tirupati-Tirumala Devasthanam Area, Upper Mahanadi Basin, Godavari and its Tributaries, Krishna at Dhom, Venna at Kanher

  • Gauge-Discharge Relationships : Brahmaputra, Kosi, Damodar, Godavari, Indravati, Jauranala, Kalinadi, Narmada and Yamuna Rivers

  • Dam Break Analysis : Supa-Bommanahalli-Kodasalli-Kadra (Kalinadi), Lakya (Lakya-Hole), Ukai Dam (Tapi), Mandira (Sankh) and Barvi

  • Development of Digital Elevation/Terrain Model: Koa, Dhauliganga, Bhagirathi and Kateri Catchments

  • Sedimentation Studies : Chamera Stage-II (Ravi), Loharinag-Pala (Bhagirathi), Lata-Tapovan and Tapovan-Vishnugad (Alaknanda), Upper Indravati Project, Kudremukh Iron Ore Company, Utkal Alumina Bauxite and Neyveli Mines

  • Resources Management and Decision Support System : Mahanadi Project, Krishna-Koyna Irrigation Scheme, Chambal Ayacut Development Project

  • Safe Grade Elevation and Design of Storm Water Drains : Hazira, Simhadri, Kakinada, Dadri, Nagothane, Koderma, Barh, Darlipali, Lara and Nabinagar Thermal Power Projects

  • Estimation of Irrigation Return Flow : Kukadi Project Left Bank Canal, Maharashtra

  • Sedimentation Survey : Yeshwant Sagar (MP), Indira Sagar (MP), Gangapur Dam (Maharashtra), Kateri Lake (Tamil Nadu), Supa (Karnataka)

  • Backwater Effects : Sardar Sarovar, Jayakwadi, Srisailam, KL Rao Sagar (Pulichintala), Neilla Reservoirs; Mutha and Arpa Rivers

Water Quality Studies

  • In situ analysis of Electrical Conductivity, pH- Value, Temperature, Turbidity, Dissolved Oxygen

  • Analysis of Silt and Bed Material

  • Computation of Water Quality Indices

  • Laboratory Analysis of Physicochemical/ Biological Parameters

  • Projects studied include Sardar Sarovar, Panshet, Khadakwasla, Bommanhalli, Ujjani, Tungabhadra and Dandeli Reservoirs; Ennore and Mahim Creek; Trombay; Godavari, Kalinadi, Krishna and Tapi Rivers

  • Application Softwares such as IDRISSI, MIKE11, ILWIS, DWOPER, SPSS, DIDGER and other in-house developed softwares

  • Atomic Absorption Spectrophotometer, Flame Photometer, BOD Incubator, UV-Visible Spectrophotometer, Integrated Bathymetric Reservoir Sedimentation Survey System, COD Digester, Water Quality Monitor