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Radioisotopic data from USGS laboratory in St. Petersburg, Florida
Specific activities of cesium-137 (half life = 30.17 years), lead-210 (half life = 22.3 years), radium-226 (half life = 1,600 years), thorium-234 (half life = 24.1 days), and... -
Concentration of chemical constituents in lake sediments from selected...
The data herein were collected in support of a larger study in Gwinnett County, Georgia, on the potential impacts of on-site waste water treatment (septic systems) on Lake... -
Lake Lanier Biogenic silica
Biogenic silica concentration profiles (in weight percent) for 10 bed sediment cores are shown. Precision and bias were determined by analyses of replicates and reference... -
Lake Lanier Biogenic silica
Biogenic silica concentration profiles (in weight percent) for 10 bed sediment cores are shown. Precision and bias were determined by analyses of replicates and reference... -
Concentration of chemical constituents in lake sediments from selected...
The data herein were collected in support of a larger study in Gwinnett County, Georgia, on the potential impacts of on-site waste water treatment (septic systems) on Lake... -
Flood-inundation area for the Yellow River in Gwinnett County, Georgia from...
The digital flood-inundation maps included in this data release were developed for a 16.4-mile reach of the Yellow River from 0.5-mile upstream of River Drive to Centerville... -
Radioisotopic data from USGS laboratory in St. Petersburg, Florida
Specific activities of cesium-137 (half life = 30.17 years), lead-210 (half life = 22.3 years), radium-226 (half life = 1,600 years), thorium-234 (half life = 24.1 days), and... -
Lake Lanier Biogenic silica
Biogenic silica concentration profiles (in weight percent) for 10 bed sediment cores are shown. Precision and bias were determined by analyses of replicates and reference... -
15: Streamwater load and yield estimates for 12 constituents in 13...
The dataset contains annual and model calibration period streamwater constituent load and yield estimates for 13 watersheds in Gwinnett County, Georgia for the water years 2003... -
04: National Land Cover Database land cover at 15 watersheds in Gwinnett...
This dataset contains the percentage of 14 National Land Cover Database (NLCD) land cover classes within the drainage areas of 15 watersheds in Gwinnett County, Georgia from...