Monitoring the quality of rivers and lakes is becoming more and more important as enviornmental concerns increase. A good
dissolved oxygen transmitter used properly is one of the important tools to use in this regard. You may want to look at http://www.ecy.wa.gov/programs/wq/plants/management/joysmanual/4oxygen.html for some useful techniques.
Atmospheric Pressure
Description of the term: Atmospheric Pressure
Atmospheric pressure is the force exerted by the atmosphere at a given point. In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point. It is often known as the weight of the air.
View other terms in the Glossary.