{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "The Phi table is a collection of datasets summarizing the grain size distribution of a sediment sample. Sets of sieves with known mesh sizes are used to sort sediment particles based on their sizes. Each \"phi\" represents a particular sieve level, or mesh screen size. The sieves are arranged in downward decreasing mesh diameters. The sieves are vibrated for a fixed period of time. The weight of sediment retained on each sieve is measured and converted into a percentage of the total sediment sample. The grain size data gathered into this MMIS table were acquired from multiple investigators and projects, whose research on or around the Outer Continental Shelf (OCS) was funded fully or partially by the Bureau of Ocean Energy Management (BOEM). The intent is to build upon the dataset as new reports and data become available. Data from pre-existing reports will be added to the dataset as time permits. Attribution consists of over 60 phi levels which represent the percentage of weight retained of a sample after smaller particles have been sieved. The Phi table is linked to the Samples table, which is subsequently linked to both the Grab Samples feature class and the Core Samples feature class.", "description": "

The Phi table is a collection of datasets summarizing the grain size distribution of a sediment sample. Sets of sieves with known mesh sizes are used to sort sediment particles based on their sizes. Each \"phi\" represents a particular sieve level, or mesh screen size. The sieves are arranged in downward decreasing mesh size. The sieves are vibrated for a fixed period of time. The weight of sediment retained on each sieve is measured and converted into a percentage of the total sediment sample. The grain size data gathered into this MMIS table were acquired from multiple investigators and projects, whose research on or around the Outer Continental Shelf (OCS) was funded fully or partially by the Bureau of Ocean Energy Management (BOEM). The intent is to build on the dataset as new reports and data become available. Data from pre-existing reports will be added to the dataset as time permits. Attribution consists of over 60 phi levels which represent the percentage of weight retained of a sample after smaller particles have been sieved. The Phi table is linked to the Samples table, which is subsequently linked to both the Grab Samples feature class and the Core Samples feature class.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "summary": "The Phi table is a collection of datasets summarizing the grain size distribution of a sediment sample. Sets of sieves with known mesh sizes are used to sort sediment particles based on their sizes. Each \"phi\" represents a particular sieve level, or mesh screen size. The sieves are arranged in downward decreasing mesh diameters. The sieves are vibrated for a fixed period of time. The weight of sediment retained on each sieve is measured and converted into a percentage of the total sediment sample. The grain size data gathered into this MMIS table were acquired from multiple investigators and projects, whose research on or around the Outer Continental Shelf (OCS) was funded fully or partially by the Bureau of Ocean Energy Management (BOEM). The intent is to build upon the dataset as new reports and data become available. Data from pre-existing reports will be added to the dataset as time permits. Attribution consists of over 60 phi levels which represent the percentage of weight retained of a sample after smaller particles have been sieved. The Phi table is linked to the Samples table, which is subsequently linked to both the Grab Samples feature class and the Core Samples feature class.", "title": "Phi", "tags": [], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 150000000, "maxScale": 5000, "spatialReference": "", "accessInformation": "", "licenseInfo": "

The Bureau of Ocean Energy Management (BOEM) provides the data for use \"as is\". BOEM provides this information with the understanding that it is not guaranteed to be accurate, correct or complete and conclusions drawn from such information are the responsibility of the user. While every effort has been made to ensure the accuracy, correctness and timeliness of materials presented within the limits of the current state of the art, BOEM assumes no responsibility for errors or omissions, nor as a result of the failure of the data to function on a particular system. BOEM makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. Users are cautioned to consider carefully the provisional nature of these data and information before using them for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Conclusions drawn from or actions undertaken on the basis of, such data and information are the sole responsibility of the user. The maps shown here are for illustration and planning purposes only and are not suitable for site-specific decision making. The data are not suitable for navigational purposes. Information found here should not be used for making financial or any other commitments. This data was developed by the U.S. Government; no other proprietary rights may be attached to them nor may they be sold to the U.S. Government as part of any procurement of products or services. Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the Bureau of Ocean Energy Management (BOEM) as the source of this information.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "portalUrl": "" }