There is an immense amount of water in aquifers below the earth's surface. In fact, there is a over a thousand times more water in the ground than is in all the world's rivers and lakes. Groundwater is found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.




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• Groundwater supplies drinking water for 51% of the total U.S. population and 99% of the rural population.
• Groundwater helps grow our food. 64% of groundwater is used for irrigation to grow crops.
• Groundwater is an important component in many industrial processes.
• Groundwater is a source of recharge for lakes, rivers, and wetlands.

Here are four articles regarding groundwater and the Chesapeake Bay:

• Mapping Groundwater
• Ground Game
• The case of the missing nitrogen
• Detecting Chemical Clues from Septic Systems

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Also see   Groundwater Foundation and USGS  for more inforamtion

by Jeff Stehm

I just watched a webinar on a fantastic new macroinvertebrate identification and citizen science training site – Macroinvertebrates.org! This site, developed under a National Science Foundation grant, took 3-years to bring to life through the efforts of a multi-disciplinary team of scientists and educators.  Over 150 macroinvertebrate species of the eastern United States are listed on the site.  Identification is facilitated by the over 800,000 high-resolution and expandable images taken of each species as well as the expert content and annotations developed, including key identification features and pollution sensitivity. 

The website development involved a set of partner organizations that helped define identification problems and needs, tested the website design and functionality, and participated in research on how citizen scientists learn observational identification tasks. The website has about 5,000 visits a month and surveys indicate that over 90 percent of trainees and trainers come away with greater confidence and accuracy in their identification capabilities and teaching methods.

The website is packed with information, various stunning and expandable views of each organism, printable resources, including a training manual and identification sheets, an informative blog, and other resources.  So, check it out!  Fantastic and a must see!  www.macroinvertebrates.org.  Click here for website quick start guide. 

​For the more ambitious, check out the Taxonomic Certification Program
​of the Society for Freshwater Science at https://stroudcenter.org/sfstcp/