Brian McCallum
Science and Products
Louisiana Public Awareness, Hydrologic Studies, and Hydrologic Data
Louisiana Public Awareness, Hydrologic Studies, and Hydrologic Data
Brazilian Agencies Partner With USGS On Water Programs
The USGS International Programs Office has intermittentantly collaborated with Brazil's Geological Survey (CPRM) since the early 1970's. With the creation of the Brazilian National Water Agency (ANA), Brazil's hydrologic monitoring network has taken on a higher socioeconomic importance.
The collaboration agreements between USGS and ANA/CPRM have strengthened the Brazilian streamgaging...
Contact the South Atlantic Water Science Center
Contact the South Atlantic Water Science Center:
Georgia Geologic Survey - Joint USGS and GGS Publications
The South Atlantic Water Science Center - Georgia Office cooperates with the Georgia Geologic Survey (GGS) in many hydrologic projects. A number of joint publications have been published over the years.
Hurricane Monitoring Information for Georgia, North Carolina, and South Carolina
Hurricane Information for Georgia, North Carolina, and South Carolina.
USGS Long-Term Water Monitoring Networks
“USGS long-term streamgages and groundwater wells are like a fine wine…they get better with age!”
The accurate, long-term monitoring networks of SAWSC provide valuable data in real-time and historical perspective to compare that data to. ...
Epic September 2009 Flooding - Georgia
Many days of continuous heavy rain in mid-September 2009 resulted in flooding in many parts of Georgia, especially in north Georgia and the Atlanta region. The rains produced streamflows of record proportions. rivers and streams had magnitudes so great that the odds of it happening were less than 0.2 percent in any given year. In other words, there was less than a 1 in 500 chance that parts of...
New Interactive Flood Warning Tool Developed for Big Creek
A new interactive Flood Inundation Map to improve flood warnings and assist with emergency management along Big Creek in Alpharetta and Roswell, Georgia, was debuted during a ceremony today in Alpharetta’s Rock Mill Park.
Media Advisory: USGS Crews out Measuring Record Breaking Inland Flooding
Heavy rains and hazardous weather conditions are occurring in western South Carolina, with record flooding occurring and more expected over parts of the region over the next several days.
Media Advisory: USGS Deploys Crews in Advance of Storm and Inland Flooding
Currently, heavy rains and hazardous weather conditions are predicted for western North Carolina and most of South Carolina by the National Weather Service, with flooding possible over parts of the region over the next several days.
Flood Chart Aids in Evacuation Decisions
Emergency managers and residents along the Withlacoochee and Little River Basins have a new educational resource to help them better understand floods and the importance of stream gauging.