Determination of the Pore Water Cadmium:  13C Relationship  in Deep Sea Sediments
{'Code': '06040302', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Nicholas Anderson', 'PO_EMAI': 'nanderso@nsf.gov', 'PO_PHON': '7032924715'}
The relationship between the cadmium concentration (Cd)                    and the stable carbon isotopic composition (S13C) of marine                     pore waters will be determined.  These parameters are tightly                   correlated in the water column, but preliminary results                         suggest that this is not the case in the sediments.  Release                    of cadmium to the pore water appears to be localized in a                       narrow zone close to the sediment-water interface, while                        isotopically light inorganic carbon continues to be added to                    the pore water below the near-interface zone of most intense                    organic matter composition.                                                          The motivation for the proposed research comes from                        efforts to compare the paleochemical records preserved in the                   stable carbon iosotope and cadmium: calcium ratios of benthic                   oraminifera tests.  Quantification of the pore water Cd:SC13                    relationship will make it possible to use enthic foraminiferal                  Cd:Ca data to test the hypothesis that the carbon isotope                       of some benthic foraminifera species reflects pore water                        carbon isotopic composition.
[{'FirstName': 'Lloyd', 'LastName': 'Keigwin', 'PI_MID_INIT': 'D', 'PI_SUFX_NAME': 'Jr.', 'PI_FULL_NAME': 'Lloyd D Keigwin', 'EmailAddress': 'lkeigwin@whoi.edu', 'NSF_ID': '000170072', 'StartDate': '08/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}, {'FirstName': 'Daniel', 'LastName': 'McCorkle', 'PI_MID_INIT': 'C', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Daniel C McCorkle', 'EmailAddress': 'dmccorkle@whoi.edu', 'NSF_ID': '000283428', 'StartDate': '08/01/1988', 'EndDate': None, 'RoleCode': 'Co-Principal Investigator'}]
{'Name': 'Woods Hole Oceanographic Institution', 'CityName': 'WOODS HOLE', 'ZipCode': '025431535', 'PhoneNumber': '5082893542', 'StreetAddress': '266 WOODS HOLE RD', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Massachusetts', 'StateCode': 'MA', 'CONGRESSDISTRICT': '09', 'CONGRESS_DISTRICT_ORG': 'MA09', 'ORG_UEI_NUM': 'GFKFBWG2TV98', 'ORG_LGL_BUS_NAME': 'WOODS HOLE OCEANOGRAPHIC INSTITUTION', 'ORG_PRNT_UEI_NUM': None}
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{'Code': '1670', 'Text': 'Chemical Oceanography'}
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