Content Description

Prepared by the Standards Committee on Fitting of Hydraulic Conductivity Using Statistical Spatial Estimation (called KSTAT) of the Standards Development Council of the Environmental and Water Resources Institute of ASCE

Estimation of Aquifer Hydraulic Properties by Inverse Numerical Modeling of Aquifer Pumping Tests is the fifth in a series of standards that seeks to enhance the probabilistic and empirical characterization and understanding of the saturated hydraulic conductivity (K_stat), a key groundwater parameter.

ANSI/ASCE/EWRI 70-19 provides guidelines for estimating the hydraulic properties of a groundwater system by inverse numerical modeling of aquifer pumping tests. This standard is applicable to situations where inverse methods based on analytical solutions for aquifer response to pumping are not applicable. Guidance is provided on using a numerical groundwater flow model to simulate an aquifer pumping test and estimate aquifer hydraulic properties. The methodology is based on minimizing residual error between observed and simulated heads by adjusting (calibrating) values of the pertinent aquifer hydraulic properties, for example, transmissivity, storativity, and leakance, such that there is a close match between the observed and simulated values.

Standard ANSI/ASCE/EWRI 70-19 will be useful to environmental engineers, water resources engineers, and any professional who uses hydraulics in engineering.

Subscription Information

MADCAD.com ASCE subscriptions are annual and access is concurrency based (number of people that can access the subscription at any given time).

Some features of MADCAD.com ASCE Subscriptions are:

- Floating concurrency model: Set your concurrency level and share your ASCE Subscriptions among your offices enterprise-wide.

- Online access: With MADCAD.com’ s web based subscription service no downloads or installations are required. Access ASCE publications from any browser on your computer, tablet or smart phone.

- Customized Subscriptions: Select different number of concurrencies based on your needs. Set higher number of seats for more used ASCE Subscriptions and lower seats on publications with less need.

- Immediate Access: As soon as the transaction is completed, your ASCE Subscription will be ready for access.

For any further information on MADCAD.com ASCE Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.

About ASCE

Founded in 1852, the American Society of Civil Engineers (ASCE) represents more than 140,000 members of the civil engineering profession worldwide and is America's oldest national engineering society. ASCE's Mission Provide essential value to our members and partners, advance civil engineering, and serve the public good.