Images

Laboratory instrument to test water quality

New York Water Science Center Soils and Water Laboratory equipment 

Canadian escarpment rising above the plains, northeastern San Miguel County, NMWSC

USGS hydrologist Hannah Ingleston extracting cations from soil samples using an ammonium chloride method.

Access to Harlem River from parks such as Mill Pond, Bronx, NY is blocked by infrastructure like railways or bulkheads along most of its banks

USGS staffer in Susquehanna River floodwaters in Owego, NY 2011

A rainbow trout rests among substrate in Panther Creek upstream of Big Deer Creek, central Idaho. Panther Creek was severely damaged by heavy metals released from mining and milling activities at the former Blackbird Mine. USGS and other scientists compiled a 30-year record of recovery of the stream’s fish and macroinvertebrate populations.

Damage to bridge at E. Kill nr Jewett from Tropical Storm Irene

Cohoes Falls in Cohoes, NY following Tropical Storm Irene

USGS technicians measure discharge on Schoharie Creek after Hurricane Irene.

Flooding from Tropical Storm Irene at USGS 01374701 West Branch Croton River Near Croton Falls NY

Sampling Groundwater on Long Island

Groundwater measurement - discrete -  gw well S-8843, Suffolk County, Long Island, NY

USGS staffer collecting groundwater sample on Long Island

East-Central Adirondack Stream in New York

Equipment for Monitoring the Flow, Chemistry and Macroinvertebrates of Streams throughout the Adirondack Ecoregion

Stream gaging station on North Buck Creek, NY

Borehole Fluid Logging in Bangladesh

Hydrographer wading through flood waters to service a streamgage

USGS NYWSC staffer making flowtracker measurement ona  flooded street in Ithaca, NY

USGS scientist making a discharge measurement in Bellmore Creek, Long Island