Groundwater investigation can be generally divided into two types: investigation of water quantity and water quality; nevertheless, investigation priorities depend on project requirements and objectives. Investigation techniques, in-situ tests for determining hydraulic coefficients, and groundwater quality are discussed in this chapter. The first half of the chapter outlines the performances and details of groundwater investigation and gives typical examples. Such information will help readers to understand groundwater investigation processes and priorities.
For quantitative groundwater study, it is essential to measure not only groundwater levelfhydraulic head but also the hydraulic parameters of an aquifer, such as conductivity. The viability of groundwater sources and exploitation methods depend on the water quality. Therefore, investigation of groundwater quality and result assessment and interpretation are very important in deciding management policy. The latter half of this chapter describes basic measurement methods for hydraulic quantities and groundwater quality.
Groundwater is regarded as contaminated if it contains substances harmful to human health and the biological environment. The characteristics of soil and groundwater contamination and some technical approaches are also discussed in this chapter.
KeywordsWater Quality Groundwater Quality Hydraulic Head Observation Well Unconfined Aquifer
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