Sediment Database and Geochemical Assessment of Lake Pontchartrain Basin

Metadata Updated: November 12, 2020

Detailed chemical, station (source and documentation, sample locations), and texture data are provided for bottom sediments of Lake Pontchartrain, Louisiana. The sediment data are provided as spreadsheet (Microsoft Excel), database (Microsoft Access), and tab-delimited files on CD-ROM and web site. The browser format is the same for both mediums. These data are in the form of appendixes at the end of the report, which provides extensive supporting data, interpretive diagrams, and discussion. The data were obtained from a variety of sources: published reports, theses, unpublished data from agencies and organizations in Louisiana, and Federal agencies such as the U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, NOAA, National Status and Trends benthic surveillance program, and U.S. Geological Survey (publications and new field data)

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

Dates

Metadata Date June 14, 2016
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) January 1, 2002 (publication)
Frequency Of Update asNeeded

Metadata Source

Harvested from DOI Open Data

Graphic Preview

Labeled map of station locations with inset showing general area of the study, 597x385 pixels, 29k bytes

Additional Metadata

Resource Type Dataset
Metadata Date June 14, 2016
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) January 1, 2002 (publication)
Responsible Party U.S. Geological Survey, ER (Point of Contact)
Contact Email
Guid
Access Constraints Use Constraints: none, Access Constraints: none
Bbox East Long -89.25
Bbox North Lat 30.42
Bbox South Lat 29.75
Bbox West Long -90.75
Coupled Resource
Frequency Of Update asNeeded
Graphic Preview Description Labeled map of station locations with inset showing general area of the study, 597x385 pixels, 29k bytes
Graphic Preview File http://pubs.usgs.gov/pp/p1634j/images/headmap.gif
Graphic Preview Type GIF
Licence Sediment chemical and other data on this CD-ROM and the companion web site have been compiled from multiple sources. Reasonable care has been taken in transcription, and efforts have been made to provide quality control of the data as described in the relevant sections. Although efforts have been made to screen for and identify data that may be seriously compromised, the data provided here are not guaranteed to be correct or complete. Responsibility for the data remains with the original sources and not the U.S. Geological Survey (except where USGS analyses are involved), and conclusions drawn from the data are the responsibility of the users. Mention of commercial software or services does not imply endorsement by the USGS.
Metadata Language
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 1963-01-01
Temporal Extent End 1998-01-01

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