Atlantic and Gulf Coastal Plains Hydrogeology Assignment TEAM

Atlantic and Gulf Coastal Plains Hydrogeology Assignment

TEAM 1. Abeera Babar Mahmood 2. Dahiana Gamarra 3. Zeynep Cavusoglu

INTRODUCTION Atlantic Coastal Plain Aquifer: ● ● ● New Jersey Delaware Pennsylvania Virginia North Carolina ● ● New York Maryland Gulf Coastal Plain Aquifer ● ● ● Alabama Arkansas Florida Illinois Kentucky ● ● ● Mississippi Missouri Tennessee Texas Louisiana

RECHARGE IN THE ATLANTIC AND GULF COASTAL PLAINS

Atlantic Coastal Plain Aquifer System Physical Characteristics Aquifers: Surficial, Chesapeake, Castle Hayne. Aquia, Severn-Magothy and Potomac Altitudes: Sea Level - 700 ft. Topography: Plains to uplands Composition: Sand, silt, clay & limestone Climate: Humid Source of Recharge : Precipitation Chemical Characteristics Type of Water: Sodium bicarbonate TDS: High Levels p. H: high Chemical Species: Calcium, Carbon, Chloride, Iron, Magnesium, Oxygen, Potassium, Silica, Sodium Sulfate

Gulf Coastal Plain Aquifer System Physical Characteristics Aquifers: Chicot, Evangeline and Jasper Composition: Discontinuous sand, silt, clay and gravel beds Average Thickness of Aquifers : 140 - 2010 ft. Horizontal Conductivity : 20 - 315 ft. /day Climate: Relatively humid Chemical Characteristics TDS: <500 mg/L (North) and 10, 000 - 35, 000 mg/L (South) Radionuclides: High natural levels Water Type: Calcium & Sodium Bicarbonate, Sodium Chloride Brine: Deep aquifer zones

Problems and Mitigation Atlantic Coastal Plain ● ● ● High concentrations of: ○ Fluoride ○ Arsenic ○ Manganese ○ Radionuclides Increasing temperature Decreasing precipitation Gulf Coastal Plain ● ● ● Land subsidence Saltwater encroachment Loss of water levels Mitigation ● ● Pretreatment Anthropogenic Recharge

References • • John P. Masterson, Jason P. Pope, Jack Monti, Jr. , Mark R. Nardi, Jason S. Finkelstein, and Kurt J. Mc. Coy. Hydrogeology and Hydrologic Conditions of the Northern Atlantic Coastal Plain Aquifer System From Long Island, New York, to North Carolina. 2015. 27 -37, 88 p. USGS. Groundwater Quality in the Northern Atlantic Coastal Plain Aquifer System, Eastern United States, 2016– 3078, 24 p. Zoltan Szaboa, Vincent T. de. Paula, Jeffrey M. Fischera, Thomas F. , Eric Jacobsena. Occurrence and geochemistry of radium in water from principal drinking-water aquifer systems of the United States, Applied Geochemistry 27. 2012. 729 – 752, 731 p. USGS. Geochemistry of the Northern Atlantic Coastal Plain Aquifer System. 1988. 157 p. Grubb, H. , 1998. Summary of Hydrology of the Regional Aquifer Systems, Gulf Coastal Plain, South-Central United States. U. S. GEOLOGICAL SURVEY PROFESSIONAL PAPER, . USGS, 1995. Surficial Aquifer System Of The New Jersey Coastal Plain—Significance To Resource Management. USGS. The Ground Water Atlas of the United States, USGS Hydrologic Atlas 730, 2000. W. Benjamin Smith, Gretchen R. Miller, Zhuping Sheng, Assessing aquifer storage and recovery feasibility in the Gulf Coastal Plains of Texas, Journal of Hydrology: Regional Studies. 2017