AIH Professional Hydrologist - Groundwater Examination case studies
AIH Professional Hydrologist - Groundwater Examination · Put your knowledge to work in context.
The Professional Hydrologist (PH) credential is issued by the American Institute of Hydrology (AIH), a non-profit scientific and educational organization founded in 1981 and described by AIH as the only nationwide organization offering certification to qualified hydrologic professionals. AIH positions the PH Exam for experienced professionals ready to demonstrate advanced knowledge and ethical leadership in the field, and states that its exams focus exclusively on knowledge and understanding of hydrology rather than broader or adjacent disciplines. The AIH Professional Hydrologist - Groundwater Examination case studies are 5 cases and about 2,158 words.
1Pumping Test Interpretation in a Layered Sand-and-Gravel Aquifer
A municipal well is completed in a confined sand-and-gravel aquifer 32 m thick, overlain by 12 m of clay. A 72-hour constant-rate pumping test was run at 1,800 m3/day with two observation wells at 25 m and 120 m.
511 words, about 3 min2Baseflow Separation and Low-Flow Permit on a Regulated River
A 480 km2 catchment has a 40-year daily streamflow record. A hydropower operator proposes a new diversion of 0.9 m3/s.
422 words, about 2 min3Land Subsidence and Aquifer Storage Change from a Declining Water Table
An agricultural basin of 1,250 km2 relies on a confined aquifer overlain by a compressible clay aquitard. Water levels fell 22 m over 15 years.
410 words, about 2 min4Flood Frequency Estimate for a Small Ungauged Culvert
A 26 km2 rural catchment needs a culvert sized for a 100-year flood. There is no gauge on the catchment.
413 words, about 2 min5Contaminant Plume Delineation and Monitoring Well Placement
A dissolved chlorinated solvent plume originates from a former dry cleaner over a shallow sandy aquifer 9 m thick. Regional flow is to the southeast at a gradient of 0.004, with an estimated hydraulic conductivity of 12 m/day and effective porosity of 0.25.
402 words, about 2 min