Trace Metal Associations in Oceanic Particulate Matter
{'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'}
A new examination of trace metal-particle associations is                  proposed based on evidence supporting the hypothesis that                       dissolved barium gets its "nutrient like" distribution in the                   ocean, not through active uptake by phytoplankton during                        photosynthesis, but through barite precipitation in particulate                 microenvironment containing decaying organic matter and the                     remains of siliceous plankton.  Diatom culturing (growth and                    death) experiments designed to test the hypothesis that barite                  precipitation dominantly occurs in particulate matter micro-                    environments will form the basis for this study.                                     This study will contribute to the mechanistic framework                    needed for interpretation of existing trace metal profiles and                  provide additional rationale for future particulate and dissolved               trace metal measurements in the worlds's oceans.
{'FirstName': 'James', 'LastName': 'Bishop', 'PI_MID_INIT': 'K', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'James K Bishop', 'EmailAddress': 'jkbishop@berkeley.edu', 'NSF_ID': '000149833', 'StartDate': '03/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Columbia University Lamont Doherty Earth Observatory', 'CityName': 'Palisades', 'ZipCode': '10964', 'PhoneNumber': '9143592900', 'StreetAddress': 'Rt 9W', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'New York', 'StateCode': 'NY', 'CONGRESSDISTRICT': '17', 'CONGRESS_DISTRICT_ORG': 'NY17', 'ORG_UEI_NUM': None, 'ORG_LGL_BUS_NAME': None, 'ORG_PRNT_UEI_NUM': None}
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{'Code': '167000', 'Text': 'Chemical Oceanography'}
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