JDA's professional staff include specialist Civil and Environmental Engineers as well as Environmental Scientists who form project teams with other specialist companies and institutions as required.
Jim Davies Managing Director and Principal Hydrologist
Expertise in engineering hydrology and environmental hydrology including data collection, analysis and modelling. Experienced in both surface hydrology and groundwater hydrology.
Particular experience in flood estimation, open channel hydraulics, computer modelling, urban and rural drainage design, nutrient and sediment studies, and groundwater investigation. |
Alex RogersPrincipal Engineering Hydrologist
Expertise in groundwater, surface and infiltration hydrology, including investigation, analysis, modelling and design.
Significant experience in hydrologic and hydraulic surface water modelling (MIKE FLOOD, XP-STORM, HEC-RAS, RORB, XP-Rafts, Rat-HGL, AQUALM), groundwater modelling (PMWIN, MODFLOW, FEFLOW), infiltration modelling (MODRET, INFIL) and catchment modelling (MAGIC).
Particular experience with developing Water Management Strategies including incorporating water sensitive urban design (including Local Water Management Strategies and Urban Water Management Plans), groundwater resource reviews and aquifer assessment reports, groundwater investigations and mapping, and developing and implementing water monitoring programs. |
Matthew YanPrincipal Environmental Hydrologist
Significant experience in hydrologic and hydraulic stormwater modelling (including RORB, XP-RAFTS, HEC-RAS, XP-STORM), infiltration modelling (INFILand MODRET), flood modelling and damage assessment (HEC-FDA) and
Particular experience with developing Water Management Strategies including incorporating water sensitive urban design (including Local Water Management Strategies and Urban Water Management Plans), groundwater resource reviews and aquifer assessment reports, groundwater and surface water licensing, groundwater mapping and investigations, and developing and implementing environmental monitoring programmes. |