Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Browse imagery and videos related to USGS science activities in Long Island Sound and its watershed.
USGS New England Water Science Center Hydrologist Janet Barclay presents her research at AGU24. She calculated the amount of groundwater-transported nitrogen entering Long Island Sound from Connecticut.
USGS New England Water Science Center Hydrologist Janet Barclay presents her research at AGU24. She calculated the amount of groundwater-transported nitrogen entering Long Island Sound from Connecticut.
A screen capture of an interactive web application that displays Nitrogen Loading from Selected Long Island Sound Tributaries from 1995 to 2021.
A screen capture of an interactive web application that displays Nitrogen Loading from Selected Long Island Sound Tributaries from 1995 to 2021.
A map of Connecticut showing the annual groundwater-transported nitrogen yield on the north shore of the Long Island Sound. Watersheds that have yields exceeding 500 kilograms of nitrogen per square kilometer per year are shown in yellow regardless of the magnitude of the yield.
A map of Connecticut showing the annual groundwater-transported nitrogen yield on the north shore of the Long Island Sound. Watersheds that have yields exceeding 500 kilograms of nitrogen per square kilometer per year are shown in yellow regardless of the magnitude of the yield.
Continuous water quality gaging station located at Flax Pond near Old Field, NY (USGS Site ID 01304057).
Continuous water quality gaging station located at Flax Pond near Old Field, NY (USGS Site ID 01304057).
Ryan Bottorff servicing a continuous water quality monitor at US Coast Guard Academy on the Thames River in Groton, CT.
Ryan Bottorff servicing a continuous water quality monitor at US Coast Guard Academy on the Thames River in Groton, CT.
Continuous water quality gaging station located at Farm River at Farm River Marina near East Haven, Connecticut (USGS site ID 411513072512301). The station is placed on the floating dock.
Continuous water quality gaging station located at Farm River at Farm River Marina near East Haven, Connecticut (USGS site ID 411513072512301). The station is placed on the floating dock.