Geophysical log - Long Island

graph in pink and gray showing groundwater moving landward in response to groundwater pumping

Detailed Description

Geophysical Log -  Geophysical borehole logging is a technique used to monitor the postition and movement of freshwater-saltwater interface. In this example from a deep well near JFK, there are two wedges of saltwater shown in pink indicationg that in this area; saline groundwater is moving landward in response to groundwater pumping and has intruded the Lloyd and Magothy aquifers.

Details

Image Dimensions: 882 x 1065

Date Taken:

Location Taken: US