Regional Studies of Anisotropy Beneath the Pacific Ocean
{'Code': '06030204', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'EAR', 'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'James H. Whitcomb', 'PO_EMAI': None, 'PO_PHON': None}
Several studies in recent years have confirmed that both the               crust and upper mantle beneath oceanic regions are anisotropic in               their elastic properties.  We propose to study the nature of that               anisotropy by comparisons of observed waveforms recorded at                     regional and near distances with those calculated for models of                 generalized anisotropy which can include up to 13 eleastic                      constants and which can vary from layer to layer in magnitude and               direction.  By restricting our observations to waves which have                 traveled short distances we will minimize any effects of lateral                heterogeneity of velocity structure on wave forms, increase the                 likelihood that the orientation and magnitude of anisotropy is                  uniform along that path, and, if paths of different distances are               available, may be able to separate the effects of varying                       anisotropic structure in the upper crust, lower crust, and upper                mantle.  In addition, since short paths are used, it will be                    possible to use small events which are numerous in many parts of                the Pacific.
{'FirstName': 'Brian', 'LastName': 'Mitchell', 'PI_MID_INIT': 'J', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Brian J Mitchell', 'EmailAddress': 'mitchbj@eas.slu.edu', 'PI_PHON': '3149773123', 'NSF_ID': '000381101', 'StartDate': '06/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Saint Louis University', 'CityName': 'SAINT LOUIS', 'ZipCode': '631032006', 'PhoneNumber': '3149773925', 'StreetAddress': '221 N GRAND BLVD', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Missouri', 'StateCode': 'MO', 'CONGRESSDISTRICT': '01', 'CONGRESS_DISTRICT_ORG': 'MO01', 'ORG_UEI_NUM': 'JNBLLTBTLLD8', 'ORG_LGL_BUS_NAME': 'SAINT LOUIS UNIVERSITY', 'ORG_PRNT_UEI_NUM': 'JNBLLTBTLLD8'}
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{'Code': '1574', 'Text': 'Geophysics'}
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