Images

(L to R) USGS's Brian McCallum, Joel Groten, and Molly Wood inside Itaipu Binational dam and standing on the original Paraná River bottom on the border of Brazil and Paraguay.

View looking up at Itaipu Binacional hydroelectric dam and sign from below. The binational dam is located on the border of Brazil and Paraguay.

U.S. Geological Survey and Itaipu Binacional staff outside of a Itaipu Binational water quality laboratory. (L to R) USGS's Brian McCallum, Molly Wood, three Itaipu Binacional staff, and USGS's Joel Groten. The binational dam and water quality laboratory is located on the Parana River on the border of Brazil and Paraguay.

Two scientists stand on and on shore near Itaipu Binacional boat used for bathymetric surveys.

Itaipu Binacional Dam spillway. The binational dam is located on the Parana River on the border of Brazil and Paraguay.

A mix of twenty two USGS and Itaipu Binacional staff from Paraguay and Brazil at a meeting.

Itaipu Binacional Dam sign in front of spillway. The binational dam is located on the Parana River between Brazil and Paraguay.

Person in hard hat looks through windows down into the Itaipu Binacional hydroelectric dam control room. The binational dam is located on the border of Brazil and Paraguay on the Parana River.

Speakers at United Nations 2023 Water Conference side event titled, “International and Transboundary Cooperation of Integrated Water Management: From Data Collection to Implementation”. Hydrologist Joel Groten is third from left.

Discussion between participants at United Nations 2023 Water Conference side event titled, “International and Transboundary Cooperation of Integrated Water Management: From Data Collection to Implementation”.

Speakers who presented at United Nations 2023 Water Conference side event titled, “International and Transboundary Cooperation of Integrated Water Management: From Data Collection to Implementation”.

 Joel Groten at the United Nations General Assembly during the UN2023 Water Conference.

View of participants from behind looking forward in the United Nations general assembly at the United Nations 2023 Water Conference.

#WATERACTION sign at the United Nations 2023 Water Conference. Large individual letter sign that states "#wateraction" with New York City skyline in background.

United Nations Headquarters in New York City. View looking up at United Nations headquarters building with flags in foreground.

Physical Scientist Owen Stefaniak retrieves surface water samples from an autosampler at the upstream Infall site near the Air Guard 128^th Air Refueling Wing base during an overnight winter storm.

Physical Scientist Owen Stefaniak collects a surface water grab sample for chloride analysis while a multiparameter sonde takes a water quality measurement near the upstream Infall site near the Air Guard 128^th Air Refueling Wing base in Milwaukee, Wisconsin.

One of four streamgaging stations with autosamplers used in study to detect phosphorus in receiving waters from airport deicer runuff.

Hydrologic Technician Jarvis Kaderlik makes a stream discharge measurement using a remote-controlled M9 ADCP (acoustic Doppler current profiler) on the Wisconsin River, near streamgage 05391000 Rainbow Lake near Lake Tomahawk, Wisconsin.

This map shows the airborne geophysical survey area and planned flight paths across the Illinois River Basin in Illinois and northwest Indiana. Surveys will not occur directly above populated areas. Planned flight lines and survey progress can be found online. 

(USGS map) 

View of downtown Milwaukee, Wisconsin from Pier Wisconsin Cruise dock in winter.