MODFLOW-NWT and MODPATH6 Models Used to Simulate Groundwater Flow in the Regional Aquifer System of Long Island, New York, for Pumping and Recharge Conditions in 2005-2015 (ver. 2.0, December 2021)
In 2016, the United States Geological Survey (USGS) began development of a regional-scale numerical
model of the Long Island aquifer system, as part of the National Water Quality Assessment (NAWQA) 
Program. The three-dimensional groundwater-flow model was developed to evaluate 1) responses of the 
hydrologic system …