usSEABED: Coastal & Marine Geology Program

Data fields for the extracted (_EXT), parsed (_PRS) and calculated (_CLC) data files of usSEABED

More complete information is given in the usSEABED data publications. [back]

CATEGORY	PARAMETER
Sample information	Site name Latitude Longitude Water depth Sampler type Sample top Sample bottom
Relational keys and types of source data	Relational key to source dataset Relational key to site Relational key to (sub)sample Source data type
Textural information	Gravel Sand Mud Clay
Statistics & classification	Grainsize sorting Shepard 1954 class Folk et al. 1974 class
Dominant component	Seafloor class Class membership
Seafloor information	Rock index (how hard is the sea floor?) Weed index (how much of the sample/seafloor is plants?) Munsell code (what color is the sediment?)
Geochemical information	Carbonate Organic carbon
Geophysical information	Log shear strength Porosity P-wave velocity
Other information	Roughness Log critical shear stress

U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/usseabed/EPC.html
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Page Last Modified: 25 May 2011 (lzt)