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LEADER 03874ctm 2200565 i 4500

001 ocm43754574;

003 OCoLC;

005 20231106091053.0;

008 000331s1999 xx ab bm 000 0 eng d;

035 a| (Sirsi) o43754574;

035 a| (OCoLC)43754574;

043 a| n-us-nca| n-us-va;

049 a| EREE;

050 4 a| GB1025.N8b| B76 1999;

100 1 a| Brown, Rae Troiano,e| author.?| UNAUTHORIZED;

245 10 a| Groundwater geochemistry of the Castle Hayne aquifer /c| Rae Troiano Brown.;

264 0 c| [1999];

300 a| vii, 104 leaves :b| illustrations (some color), maps (some color) ;c| 28 cm;

336 a| textb| txt2| rdacontent;

337 a| unmediatedb| n2| rdamedia;

338 a| volumeb| nc2| rdacarrier;

502 b| M.S.c| East Carolina Universityd| 1999;

500 a| Submitted to the faculty of the Department of Geology.;

500 a| Advisor: Terri Woods;

520 3 a| Twenty nine wells in eastern North Carolina were sampled and analyzed for HCO₃̄, pH, Eh, O₂, S²̄, SiO₂, SO₄²̄, PO₄³̄̄, Ca²⁺, Na⁺, Fe²⁺, Clʹ, NO₃²̄, NH₄+, F̄, TOC, [delta]¹⁸C, and [delta]¹³C from the Yorktown, Pungo River, Upper Castle Hayne (UCH), Lower Castle Hayne (LCH), Beaufort, and Peedee aquifers. Estimated residence times for the UCH indicate that groundwater in the easternmost wells was recharged during the 1 R last glacial period (LGP). Groundwater from the UCH and LCH displays high [delta]¹⁸O relative to modem water, [delta]¹⁸O values increase from west to east, which could be a result of mixing with LGP seawater, isotopic exchange during water/rock interaction, and the reservoir effect. The cone of depression associated with PCS Phosphate Mine lowers heads in the UCH and could be inducing flow from aquifers containing groundwater with lower [delta]¹⁸O. [delta]¹³C in the UCH and LCH increases from west to east. The carbon isotopic signatures of groundwater in the western part of the study area largely reflect the contribution of biogenic CO2 in the recharge zone. Higher [delta]¹³C groundwater in the east could be a result of mixing with seawater as indicated by [delta]¹⁸O and chloride and a result of water/rock interaction.;

504 a| Includes bibliographical references (leaves 68-72).;

650 0 a| Groundwaterx| Qualityz| North Carolina.=| ^A345492;

650 0 a| Aquifersz| North Carolina.=| ^A104222;

650 0 a| Geochemistryz| North Carolina.=| ^A2821;

650 0 a| Castle Hayne Aquifer (N.C. and Va.)?| UNAUTHORIZED;

650 7 a| Aquifers.2| fast0| (OCoLC)fst00812170;

650 7 a| Geochemistry.2| fast0| (OCoLC)fst00940343;

650 7 a| Groundwaterx| Quality.2| fast0| (OCoLC)fst00948294;

651 7 a| North Carolina.2| fast0| (OCoLC)fst01204304?| UNAUTHORIZED;

655 7 a| dissertations.2| aat0| (CStmoGRI)aatgf300028029;

655 7 a| Academic theses.2| fast0| (OCoLC)fst01726453;

655 7 a| Academic theses.2| lcgft;

655 7 a| Thèses et écrits académiques.2| rvmgf0| (CaQQLa)RVMGF-000001173;

700 1 a| Woods, Terri L.,e| degree supervisor.=| ^A206305;

710 2 a| East Carolina University.b| Department of Geology.?| UNAUTHORIZED;

856 40 z| Access via ScholarShipu| http://hdl.handle.net/10342/11881;

949 a| Click on web addressw| asish| joyner101;

949 a| Click on web addressw| asish| hsl111;

994 a| C0b| ERE;

596 a| 1 4;

998 a| 725199;

999 a| ASK AT SPECIAL COLLECTIONS DESKw| ASISc| 1i| 725199-1001l| JSCJTHDm| JOYNERr| Ys| Yt| JSCJTHDu| 1/24/2022x| ETDz| JSPECCOLL;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 725199-3001l| JNETm| JOYNERr| Ys| Yt| JNE3ETDu| 10/27/2023x| ETDz| JERESOURCE;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 725199-4001l| HSLELECm| HSLr| Ys| Yt| HEETDu| 10/27/2023x| ETDz| HERESOURCE;

Groundwater geochemistry of the Castle Hayne aquifer / Rae Troiano Brown.

Author/creator	Brown, Rae Troiano author.
Other author	Woods, Terri L., degree supervisor.
Other author	East Carolina University. Department of Geology.
Format	Theses and dissertations
Production	[1999]
Description	vii, 104 leaves : illustrations (some color), maps (some color) ; 28 cm
Supplemental Content	Access via ScholarShip
Subjects	Groundwater--Quality. --North Carolina. Aquifers--North Carolina. Geochemistry--North Carolina. Castle Hayne Aquifer (N.C. and Va.)

Summary	Twenty nine wells in eastern North Carolina were sampled and analyzed for HCO₃̄, pH, Eh, O₂, S²̄, SiO₂, SO₄²̄, PO₄³̄̄, Ca²⁺, Na⁺, Fe²⁺, Clʹ, NO₃²̄, NH₄+, F̄, TOC, [delta]¹⁸C, and [delta]¹³C from the Yorktown, Pungo River, Upper Castle Hayne (UCH), Lower Castle Hayne (LCH), Beaufort, and Peedee aquifers. Estimated residence times for the UCH indicate that groundwater in the easternmost wells was recharged during the 1 R last glacial period (LGP). Groundwater from the UCH and LCH displays high [delta]¹⁸O relative to modem water, [delta]¹⁸O values increase from west to east, which could be a result of mixing with LGP seawater, isotopic exchange during water/rock interaction, and the reservoir effect. The cone of depression associated with PCS Phosphate Mine lowers heads in the UCH and could be inducing flow from aquifers containing groundwater with lower [delta]¹⁸O. [delta]¹³C in the UCH and LCH increases from west to east. The carbon isotopic signatures of groundwater in the western part of the study area largely reflect the contribution of biogenic CO2 in the recharge zone. Higher [delta]¹³C groundwater in the east could be a result of mixing with seawater as indicated by [delta]¹⁸O and chloride and a result of water/rock interaction.
General note	Submitted to the faculty of the Department of Geology.
General note	Advisor: Terri Woods
Dissertation note	M.S. East Carolina University 1999
Bibliography note	Includes bibliographical references (leaves 68-72).
Genre/form	dissertations.
Genre/form	Academic theses.
Genre/form	Academic theses.
Genre/form	Thèses et écrits académiques.

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