To pay dues, make a donation, and purchase insignia items. You must login to pay dues, search the directory, or make changes to your record. American Institute of Professional Geologists. The Foundation of the American Institute of Professional Geologists. Foundation of the AIPG Young Professional Pilot Program.

Achieving water supply sustainability is a costly and elusive goal. For many communities and nations which are increasingly challenged by population growth, declining groundwater levels, contaminated aquifers, concerns regarding water supply security, declining streamflows, increasing saltwater intrusion, ground subsidence, global climate change, and unacceptable impacts upon aquatic and terrestrial ecosystems. View the ASR animation sequence.

LMNO Engineering, Research, and Software, Ltd. The fluid flow calculations website. Flow in pipes, ducts, open channels, culverts, hydrology, groundwater. Liquid, gas, water, air. Venturi, nozzle, orifice flow meters. Pipe networks, water hammer. Bernoulli, Manning, Moody. Culvert design, inverted siphon. Pressure drop, pressure loss, flow, discharge, sizing. Tank volume, pipe volume, unit conversions. I am Ken Edwards, Ph. You can still send a message.

To Southwest Hydrology, the trade magazine created to inform and connect the water communities of the semi-arid and arid Southwest. Southwest Hydrology is written by and for consultants, regulators, researchers, water managers, lawyers, policymakers, and all the people in industry who work with water issues in semi-arid regions. Premiered in 2002, and is distributed free of charge six times per year to around 6,600 subscribers in the Southwest and the rest of the United States. Raquo; more about SWHydro.